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CUP2003-00011 I 20 DAYS = 2/I 8/2004 CITY OF TIGARD DATE OF FILING: I/20/2004 �'ommunity�DeveCopment • ShapingA�detterCommunity CITY OF TIGARD �Nashington County, Oregon NOTICE OF FINAL ORDER BY THE HEARINGS OFFICER Case Numbers: CONDITIONAL USE PERMIT CUP 2003-00011 ADJUSTMENT VAR 2003-00100 Case Name: TEMPLETON ELEMENTARY SCHOOL ADDITION Name of Owner: Ti ard-Tualatin School District No. 23J Name of Applicant: Ed Mur h &Associates Address of Applicant: 9875 SW Murdock Street Ti ard Ore on 97224 Address of Property: 9500 SW Murdock Street Ti ard Ore on 97224 Tax Ma /Lot Nos.: Washin ton Co. Tax Assessor's Ma No. 2S111AC, Tax Lot 2901. A FINAL ORDER INCORPORATING THE FACTS, FINDINGS AND CONCLUSIONS APPROVING A REQUEST FOR A CONDITIONAL USE AND AN ADJUSTMENT.. TNE fITY OF TIGARD HEARINGS OFFICER HAS REYIEWED THE APPLIfANTS PIANS, NARRATIVE, MATERIALS, fOMMENTS OF REVIEWING AGENCIES, THE PLANNING DIVISION'S STAFF REPORT AND RECOMMENDATIONS FOR THE APPII(ATION DESfRIBED IN FORTHER DETAII IN THE STAFF REPORT. THE HEARINGS OFFICER HE�D A PUBLIC NEARING ON �ANUARY 12, 2004 TO RE�EIVE TESTIMONY REGARDING THIS APPLIfATION. THIS DEfISION HAS BEEN BASED ON THE FACiS, FINDINGS AND CON[LUSIONS C4NTAINED WITHIN THIS FINAL ORDER. Request: ➢ The applicant is requesting Conditional Use approval to add an 8,300 square foot addition to the existing 51,030 square foot school, to modify the parking areas, and to add a fire access lane along the north property line. The applicant is also seeking an Adjustment to reduce the required number of bicycle stalls on site. At the close of the record, the Hearings Officer conditionally app�oved all applications subject to the conditions of approval within this final order. Zone: R-4.5: Low-Density Residential District. Applicable Review Criteria: Community Development Code Chapters 18.330, 18.360, 18.370, 18.390, 18.510, 18.705, 18.725, 18.745, 18.755, 18,765, 18.790, 18.795 and 18.810. Action: ➢ ❑ Approval as Requested � Approval with Conditions O Denial Notice: Notice was published in the newspaper and mailed to: � Owners of Record Within the Required Distance � Affected Government Agencies � Area Citizen Involvement Team O The Applicants and Owners The adopted findings of fact and decision can be obtained from the Planning Division/Community Development Depa�tment at the City of Tigard City Hall. Final Decision: THIS DECISION IS FINAL ON JANUARY 22, 2004 AND BECOMES EFFECTIVE ON FEBRUARY 6, 2004 UNLESS AN APPEAL IS FILED. Appeal: The decision of the Review Authority is final for purposes of appeal on the date that it is mailed. Any party with standing as provided in Section 18.390.040.G.1. may appeal this decision in accordance with Section 18.390.040.G.2. of the Tigard Community Development Code which provides that a written appeal together with the required fee shall be filed with the Director within ten (10) business days of the date the notice of the decision was mailed. The appeal fee schedule and forms are available from the Planning Division of Tigard City Hall, 13125 SW Hall Boulevard, Tigard, Oregon 97223. THE DEADLINE FOR FILING AN APPEAL IS 5:00 PM ON FEBRUARY 5, 2004. Questions: If you have any questions, please call the City of Tigard Planning Division at(503) 639-4171. BEFORE THE LAND USE HEARINGS OFFICER FOR THE CITY OF TIGARD, OREGON Regarding an application by the Tigard-Tualatin School ) F I N A L O R D E R District for a conditional use permit to add a 8300-square ) CUP 2003-00011 and foot addition to the Templeton Elementary School at ) VAR 2003-00100 9500 SW Murdock Street in the City of Tigard, Oregon ) (Templeton Elementary) A. FINDINGS AND CONCLUSIONS 1. Tigard-Tualatin School District (the "applicant") requests approval of a conditional use permit to add 8300 square feet to the existing 51,030-square foot Templeton Elementary School at 9500 SW Murdock Street; also known as tax lot 2901, WCTM 2S111AC (the "site"). The addition will contain educational, administrative and related specialty spaces. The applicant also proposes such exterior improvements as additional parking, a fire access route and landscaping. The applicant also requests approval of an adjustment to reduce the number of required bicycle parking spaces from 156 to 36. The site contains 12.6 acres, and it is zoned R4.5 (Low-Density Residential). It adjoins Twality Middle School to the north, single family homes to the east and west and an undeveloped parcel to the south. The Staff Report to the Hearings Officer dated January 5, 2004 (the "Staff Report") contains a history of City review and development on the site, which the hearings officer incorporates as his own. 2. Tigard Hearings Officer Larry Epstein(the "hearings officer") held a duly noticed public hearing on January 12, 2004 to receive and consider public testimony in this matter. The record includes a witness list, materials in the casefile as of the close of the hearing, and an audio record of the hearing. At the beginning of the hearing, the hearings officer made the declaration required by ORS 197.763. The hearings officer disclaimed any ex parte contacts, bias or conflicts of interest. The following is a summary by the hearings officer of selected relevant testimony offered at the hearing. a. City planner Brad Kilby summarized the proposed development, the applicable approval standards, the Staff Reporl and recommended conditions of approval. b. Nicholas Harris of Cornerstone Construction testified for the applicant. He asked City staff to clarify a recommendation about the appropriate tree species to plant on the site. He accepted the findings and conditions of approval in the Staff Report without objections. He also waived the applicant's right to submit a closing written argument after the public hearing. c. At the end of the hearing, the hearings officer closed the public record and announced his intention to approve the application subject to recommended conditions. 3. City staff recommended that the hearings officer approve the application based on findings and conclusions and subject to conditions of approval recommended in the Staff Report. The applicant accepted those conditions. No one disputed the findings in the Staff Report. The hearings officer agrees with those findings, conclusions and conditions, and adopts the affirmative findings in the Staff Report as support for this Final Order. 4. Based on the findings and discussion provided or incorporated in this final order, the hearings officer concludes that the applicant sustained the burden of proof that the proposed conditional use permit and variance do or will comply with the applicable criteria of the Community Development Code,provided development that occurs after this decision complies with applicable local, state, and federal laws and with conditions of approval warranted to ensure such compliance occurs in fact. Therefore those applications should be approved subject to such conditions. B. ORDER In recognition of the findings and conclusions contained herein, and incorporating the Staff Report and public testimony and exhibits received in this matter, the hearings officer hereby approves CUP 2003-00011 and VAR 2003-00100 (Templeton Elementary), subject to the conditions of approval in the Staff Report. DATED this 20th day of January, 2004. Larry Epstein, Esq., AICP City of Tigard Land Use Hearings Officer CUP 2003-0001!and VAR 2003-00I00 fiearings OfJicer Final Order (Templelon Elemenlary School) Page 1 Agenda Item: 2.1 Hearing Date: Janua 12 2003 Time: 7:00 PM STAFF REPORT TO THE HEARINGS OFFICER CITYOFTIGARD Contmurtity�evelcrpment FOR THE CITY OF TIGARD, OREGON .s��pt.��=��r�o1r=,nunjty 120 DAYS = 3/09/2004 SECTION I. APPLICATION SUMMARY FILE NAME: TEMPLETON ELEMENTARY SCHOOL CASE NOS: Conditional Use Permit (CUP) CUP2003-00011 Adjustment (VAR) VAR2003-00100 OWNER/ Tigard-Tualatin School APPLICANT: District 23J Attn: Stephen Poage 6960 SW Sandburg Street Tigard, OR 97223 PROPOSAL: The applicant is seeking conditional use approval to add an 8,300 square foot addition to the existing school, to modify the parking areas, and to add a fire access lane along the north proper�y line. The applicant is also seeking an ad�ustment to reduce the required number of bicycle stalls on site. Tf�e existing school is 51,030 square feet in size. LOCATION: The project is located at 9500 SW Murdock Street, and is described as: W CTM 2S 111 AC, Tax Lot 02901. COMPREHENSIVE PLAN AND ZONING DESIGNATION: R- 4.5, Low-Density Residential zoning district. APPLICABLE REVIEW CRITERIA: Community DeveloPment Code Chapters: 18.330, 18.360, 18.370, 18.390, 18.510, 18.705, 18.725, 18.745, 18.755, 18.765, 18.790, 18.795, and 18.810. SECTION II. STAFF RECOMMENDATION Staff recommends that the Hearings Officer find that the proposed Conditional Use Permit and the requested bicycle parking adl'ustment will not adversely affect the health, safety and welfare of the City and meets the Approval Standards of the Tigard Development Code. Therefore, Staff recommends APPROVAL, subject to the following recommended Conditions of Approval. TEMPLETON ELEMENTARY PAGE 1 OF 22 1/1?J04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER CONDITIONS OF APPROVAL THE FOLLOWING CONDITIONS SHALL BE SATISFIED PRIOR TO COMMENCING ANY ON-SITE IMPR�VEMENTS INCLUDING GRADING, EXCAVATIDN, FILL, TREE REMOVAL, AND/OR DEMOLITION ACTIVITIES : u mit to t e anning epartment ra i y, 6 7 , ext. or review an approval: 1. Prior to issuance of building permits for the site, the applicant shall submit a lighting plan for the entire project site for approval. 2. Prior to placement of any si�ns on site, the applicant shall appIy for a sign permit and supply staff with the appropriate plans to verify compliance with TDC Chapter 18.780. 3. The applicant shall provide the City Arborist with a construction sequence including installation and removal of tree protection devices, clearing, grading, and paving. 4. The applicant shall notify the City Arborist when tree protection measures are in place so that he may verify that the measures will function properly prior to construction. Submit to the Engineering Department (Kim McMillan, 639-4171, ext. 2642) for review and approval: 5. Prior to issuance of a site permit, a Public Facility Improvement (PFI) permit is required for this pro ect to cover the driveway apron and any other work in the public right-of-way. Six (6j sets of detailed public improvement plans shall be submitted for review to the Engineering Department. NOTE: these plans are in addition to any drawings required by the Building Division and should only include sheets relevant to public improvements. Public Facility Improvement (PFI) permit plans shall conform to City of Ti�ard Public Improvement Design Standards, which are available at City Hall and the City's web page (www.ci.tigard.or.us). 6. The PFI permit plan submittal shall include the exact legal name, address and telephone number of the individual or corporate entity who will be designated as the "Permittee", and who will provide the financial assurance for the public improvements. For example, specify if the entity is a corporation, limited partnership, LLC, etc. Also specify the state witF�in which the entity is incorporated and provide the name of the corporate contact person. Failure to provide accurate information to the Engineering Department will delay processing of project documents. 7. The applicant shall provide an on-site water quality facility as required by Clean Water Services Design and Construction Standards (adopted by Resolution and Order No. 00-7). Final plans and calculations shall be submitted to the Engineering Department (Kim McMillan) for review and approval prior to issuance of the site permit. In addition, a proposed maintenance plan shall be submitted along with the plans and calculations for review and approval. THE FOLLOWING CONDITIONS SHALL BE SATISFIED PRIOR TO A FINAL BUILDING INSPECTION: u mit to t e ngineering epartment im c i an, , ext. 2 or review and approval: 8. Prior to a final building inspection, the applicant shall complete the required public improvements, obtain conditional acceptance from the City, and provide a one-year maintenance assurance for said improvements. 9. Prior to final building inspection, the applicant shall provide the City with as-built drawings of the public improvements as follows: 1) 3 mil mylar, 2) a diskette of the as- builts in "DWG" format, if available; otherwise "DXF" will be acceptable, and 3) the as- built drawings shall be tied to the City's GPS network. The applicanYs engineer shall provide the City with an electronic file with points for each structure (manholes, catch basins, water valves, hydrants and other water system features} in the development, TEMPLETON ELEMENTARY PAGE 2 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER and their respective X and Y State Plane Coordinates, referenced to NAD 83 (91). 10.To ensure compliance with Clean Water Services design and construction standards, the applicant shall employ the design engineer responsible for the design and specifications of the private water quality facility to perform construction and visual observation of the water quality facility for compliance with the design and specifications. These inspections shall be made at significant stages, and at completion of the construction. Prior to final building inspection, the design engineer shalf provide the City of Tigard (Inspection Supervisor) with written confirmation that the water quality facility is in compliance with the design and specifications. Staff Contact: Hap Watkins, Building Division. 11.Prior to a final building inspection, the applicant shall demonstrate that they have entered into a maintenance agreement with Stormwater Management, or another company that demonstrates they can meet the maintenance requirements of the manufacturer, for the proposed onsite storm water treatment facility. FAILURE TO SATISFY THE CONDITIONS OF APPROVAL WITHIN 18 MONTHS OF THE EFFECTIVE DATE OF THE HEARINGS OFFICER'S DECISION SHALL RENDER THE HEARINGS OFFICER'S DECISION VOID. SECTION III. BACKGROUND INFORMATION Site Historv: According to the applicant, the site was developed in the early 1960's. According to City records, the site was annexed into the City in 1967. There was a conditional use permit issued for the site in 1977 (CU32-77) for a gymnasium, and a subsequent site development review for that project (SDR6-78). In 1991, a modification to the conditional use was issued to allow a modular classroom to be placed on site (CUP91-00006). Vicinity Information: The site is zoned R-4.5 and surrounded on three sides by single-family homes, and Twality Middle School on the fourth side. The underdeveloped property to the south of the site is currently under review for a residential subdivision. Site Information and Proposal Description: The site is 12.6 acres in size and currently occupied by the existing elementary school. The site is located on gentle slopes ranging from 0 to 5%. The proposal is for an 8,300 square foot addition to the existing elementary school with associated parking and infrastructure. The applicant is also requesting approval of an adjustment to vary the bicycle parking requirements of the development code. These requests are discussed in more detail in the following discussion. SECTION IV. DECISION MAKING PROCEDURES, PERMITS AND USE Use Classification: Section 18.130.020 Lists the Use Categories. The applicant is proposing to construct an 8,300 square foot addition to an existing 51,030 square foot elementary school, create some additional parking, and install a storm facility to treat the additional impervious surFace. Schools are permitted conditionally within the R-4.5 zoning district. Summa Land Use Permits: Chapter 18.310 Defines e decision-making type to which the land-use application is assigned. The proposed use is a Conditional Use permit which is a Type III-HO decision. Staff reviews adjustments under a Type II process. However, when multiple applications are being TEMPLETON ELEMENTARY PAGE 3 OF 22 1l12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER reviewed for the same property, the highest authority will oversee all review. In this case, the review is handled by a Type III-HO process and heard by the Tigard Hearings Officer. SECTION V. SUMMARY OF APPLICABLE CRITERIA A summary of the applicable criteria in this case in the Chapter order in which they are addressed in this report are as follows: A. 18.330 Specific Conditional Use Criteria General Approval Criteria) Additional Conditions of A proval) B. licable Develo mentpCode Standards 1 .360 Site Development Review) 18.370 Variances/Adjustments) 18.510 Residential Zoning Distncts) 18.705 Access, Egress & Circulation) 18.725 Environmental PerFormance Standards) 18.745 Landscaping and Screening) 18.755 Mixed Solid Waste and Recyclable Storage) 18.765 Off-Street Parking and Loading Requirements) 18.780 Signs) 18.790 Tree Removal) 18.795 Visual Clearance) C. Street and Utility Improvement Standards (18.810� D. Impact Study (18.390� SECTION VI. APPLICABLE REVIEW CRITERIA AND FINDINGS A. SPECIFIC CONDITIONAL USE APPROVAL CRITERIA Section 18.330.010.A states that the purpose of this chapter is to provide standards and procedures under which a conditional use may be permitted, enlarged or altered if the site is appropriate and if other appropriate conditions of approval can be met. There are certain uses which due to the nature of the impacts on surrounding land uses and public facilities require a case-by-case review and analysis. Section 18.330.020.A states that a request for approval for a new conditional use shall be processed as a Type III-HO procedure, as regulated by Chapter 18.390.050, using approval criteria contained in Section 18.330.030A and subject to other requirements in Chapter 18.330. GENERAL APPROVAL CRITERIA FOR A CONDITIONAL USE: SECTION 18.330.030 The site size and dimensions provide adequate area or the needs of the proposed use; The existing site size is 12.6 acres or 548,856 square feet in size. The proposal requests approval for a total 59,330 square foot elementary school and associated infrastructure. A large portion of the site will be used for play fields. This report evaluates the proposal and necessary setbacks, landscaping, etc., and as demonstrated in the application and this report, the site size is adequate for the needs of the proposed use. The characteristics of the site are suitable for the proposed use considering size, shape, location, topography, and natural features; The site is currently developed with an existing elementary school: The site is large enough to accommodate the use. There are no specific limitations to the site with regard to the shape, location, topography or natural features that would hinder the development of the site with the proposed use. This criterion is satisfied. All required public facilities have adequate capacity to serve the proposal; and All public facilities including streets, storm and sanitary sewers, and water have adequate TEMPLETON ELEMENTARY PAGE 4 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER capacity to serve the site as discussed in detail elsewhere in this report. The applicable requirements of the zoning district are met except as modified by this chapter. The proposed site is located within the R-4.5 zoning district. As indicated earlier, schools are permitted conditionally. As conditioned later in this report, the project can meet the applicable requirements of the zoning district. The conditional use requirements are more restnctive than the underlying zoning requirements with regard to site size and setback requirements. The applicant has met or exceeded the requirements for the proposed project. The suQplementary requirements set forth in other chapters of this Code including but not limited to Chapter 18.780, Signs, and Chapter 18.360, Site Development Review, if applicable, are met or can be conditioned to be satisfied. The applicable review criteria in this case include the following chapters of the Community Development Code: 18.330, Conditional Use; 18.360, Site Development Review; 18.370, Variances and Adjustments; 18.390 Decision Making Procedures; 18.510, Residential Zoning Districts, 18.705, Access, Egress and Circulation; 18.725, Environmental Performance Standards; 18.745, Landscaping and Screening, 18.755, Mixed Solid Waste and Recyclables Storage; 18.765, Off-Street Parking; 18.780, Signs; 18.790, Tree Removal; 18.795, Visual Clearance Areas; and 18.810, Street and Utility lmprovement Standards. The development standards and requirements of these chapters are addressed further in this report. The proposal contains no elements related to the provisions of the following chapters: 18.350, Planned Development; 18.380, Zoning Map/Text Amendments; 18.410, Lof Line Adjustments; 18.420, Land Pa�titions; 18.430, Subdivisions; 18.520, Commercial Zoning Districts; 18.530, Industrial Zoning Districts; 18.620, Tigard Triangle Design Standards; 18.630 Washington Square Regional Center Design Standards, 18.640 Durham Quarry Design Standards; 18.710, Accessory Residential Units; 18.715, Density Computations; 18.720, Design Compatibility Standards; 18.730, Exceptions to Development Standards; 18.740, Historic Overlay; 18.742, Home Occupations; 18.750, Manufactured/Mobile Home Regulations; 18.760, Nonconforming Situations; 18.775, Sensitive Lands; 18.785, Temporary Uses; and 18.798, Wireless Communications Facilities. These chapters are, therefore, found to be inapplicable as approval standards. The use will comply with the applicable policies of the Comprehensive Plan. The Comprehensive Plan is implemented by the Community Development Code. Compliance with Comprehensive Plan policies are, therefore, assured by satisfaction of the applicable development standards of the development code as addressed within this repo�t. FINDING: Based on the analysis above, the General Approval Criteria for a Conditional Use are satisfied. TEMPLETON ELEMENTARY PAGE 5 OF 22 1/12/O�l PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER ADDITIONAL CONDITIONS OF APPROVAL FOR CONDITIONAL USE. Section 18.330.030.B states that the Hearings Authority may impose conditions on the approval of a conditional use, which are found necessary to ensure the use is compatible with other uses in the vicinity, and that the impact of the proposed use on the surrounding uses and public facilities is minimized. These conditions may include, but are not limited to the following: Limiting the hours, days, place and/or manner of operation; The applicant has not indicated hours, days, or manner of operation, however, it can be expected that the school would operate during the same hours that it currently operates. There is no evidence in the record to suggest that there is a need to limit the hours, days, place and or manner of operation for the elementary school. This criterion is satisfied. Requiring design features which minimize environmental impacts such as noise, vibration, air pollution, glare, odor and/or dust; The proposal would not likely generate any vibration, air pollution, odor, �lare, noise, or dust that would be considered out of character for the use. This criterion is satisfied. FINDING: The proposed site is ad1'acent on three sides to noise sensitive units as defined in the Tigard Municipal Code (TMC) Chapter 7.40. Requiring additional setback areas, lot area, and/or lot depth or width; The lot is large enough to accommodate the proposed addition that is to be constructed. The proposed use will exceed the setbacks of the underlying zone as required by this chapter. Dimensional criterion is discussed in more detail further in this discussion. This criterion is satisfied. Limiting the building height, size or lot coverage, and/or location on the site; There are no lot coverage requirements in the R-4.5 zoning classification. The applicant has indicated on the plans and in the narrative that the proposed addition will not exceed the maximum building height of thirty feet in the R4.5 zone. There is no evidence in the record to suggest a need to further limit fhe building height, size, lot coverage, or location on the site beyond what is required by the development code. This standard is satisfied. Designating the size, number, location and/or design of vehicle access points; The applicant is not proposing to alter the access to the site, and access is discussed in more detail later in this report. The criterion can be satisfied. Requiring street right-of-way to be dedicated and street(s) to be improved; With limited frontage onto SW Murdock Street, and existing development patterns, there is no immediate need for additional ri�ht-of-way to be dedicated or additional street improvements at this time. This criterion is satisfied. Requiring landscaping, screening, drainage and/or surfacing of parking and loading areas; These items are addressed later in this report. As conditioned, the proposal will meet the prescribed requirements of the TDC. Limiting the number, size, location, height and/or lighting of signs; Compliance with the sign requirements for the underlyin� zone will be considered once a design is reviewed. The applicant will be required to indicate the location and type of sign proposed for this site prior to building permit issuance. TEMPLETON ELEMENTARY PAGE 6 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER Limiting or setting standards for the location and/or intensity of outdoor lighting; The applicant has indicated in the narrative that the lighting will be managed to minimize impacts to the surrounding neighbors, and stated that the new parking lot lighting would be directed downward and controlled by photocell. However, the applicant did not provide a lighting plan as required. Staff cannot ensure that the lighting standards are satisfied. This criterion is not satisfied. FINDING: Staff cannot assure that lighting from the site will not produce glare onto neighboring properties or create a safe ni�httime environment based on the applicant's description of lighting for the facility. CONDITION:Prior to issuance of building permits for the site, the applicant shall submit a lighting plan for the entire pro�ect site for approval. Rec�uiring berms, screening or landscaping and the establishment of standards for their installation and maintenance; As discussed further in this report, the applicant has proposed some new landscaping to screen the parking areas and new portion of the building from surrounding properties, but is depending largely on existing landscaping for this purpose. This criterion is discussed in more detail later in this report. Requiring and designating the size, height, location and/or materials for fences; The applicant is not proposing any new fencing for the site, and there is no evidence in the record to suggest that fencing should be required for this use. This criterion can be satisfied. Requiring the protection and preservation of existing trees, soils, vegetation, watercourses, habitat areas and/or drainage areas; Some of the trees on site are scheduled for removal to accommodate construction. The applicant has provided a tree plan that will be discussed later in this report. As demonstrated later in this report, the applicant meets, or can be conditioned to meet this criterion. Requiring the dedication of sufficient open land area for a greenway adjoining and within the floodplain when land form alterations and development are allowed within the 100-year floodplain; and The property is not adjacent to the floodplain. This criterion is not applicable. Requiring the construction of a pedestrian/bicycle pathway within the floodplain in accordance with the adopted pedestrian/bicycle pathway plan. The property is not adjacent to the 100-year floodplain. This criterion is not applicable. ADDITIONAL DEVELOPMENT STANDARDS FOR CONDITIONAL USE TYPES: SECTION 18.330.050 The additional development standards are specific criteria that must be considered at the time of application for a conditional use. The criteria states that there shall be no minimum lot size requirements for schools other than what is required for the applicable zoning district; That the setbacks shall be as follows: Front Yard setback-20 feet Corner and through lot setback- 20 feet on any side facing a street Side yard setback-20 feet Rear yard setback- 30 feet TEMPLETON ELEMENTARY PAGE 7 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER The minimum lot size for the R-4.5 zoning district is 7,500 square feet. This site is 12.6 acres. This criterion is satisfied. With regard to the setbacks, the site is an interior lot. Staff considers the frontage along SW Murdock Street as the front yard which would be required to meet a minimum 20-foot setback. The closest structure to the front lot line is 30 feet. The rear yard setback is required to be 30 feet. The actual distance is closer to 225 feet. The southern property line is a side yard setback. The minimum setback is 20 feet. The closest structure to the southern property line is 220 feet. The narthern property line is the other side yard. The closest structure to the northern property is 25 feet exceeding the required side yard setback by 5 feet. This criterion is satisfied B. APPLICABLE DEVELOPMENT CODE STANDARDS SITE DEVELOPMENT REVIEW (18.360� The Site Development Review approval standards require that a development proposal be found to be consistent with the various standards of the Community Development Code. The proposal's consistency with these Code Chapters is reviewed in the following sections. VARIANCES AND ADJUSTMENTS (18.370) The applicant has requested an adjustm�o the bicycle parking standards which has been addressed in the following discussion. The Director may approve a reduction of required bicycle parking per Section 18.765.050.E by means of Type II Procedure, as governed by Section 18.390.040, if the applicant can demonstrate that the proposed use bY its nature would be reasonably anticipated to generate a lesser need for bicycle parking. The applicant has requested an adjustment to the bic cle parking standards that would be imposed on the school as dictated by Table 18.765.2 (�linimum Parking Standards). Under the current requirements, the school would be required to provide 6 spaces for every classroom because it is an elementary school. Considering that there are 26 classrooms proposed, the facility would be required to provide 156 spaces. The applicant is proposing to provide 36 spaces on site. The primary argument the applicant makes against providing fhe required spaces is that currently there are 36 available spaces and the demand never exceeds 6-10 spaces on a good day. This information is based on information provided in a letter by the school pnncipal, and suppo�ted by his staff. Based on the information provided, staff would support the adjustment. RESIDENTIAL ZONING DISTRICTS (18.510� The R-4.5 zoning district is designed to accommodate detached single-famil� housing at a minimum lot size of 7,500 square feet. A wide range of civic and institutional uses are also permitted conditionally. Section 18.510.050 states that Development standards in Residential zoning districts are contained in Table 18.510.2, however, because the proposed use requires conditional use approval, the stricter standards of the conditional use section apply. The only standards that are not specifically regulated by the Conditional Use chapter are lot coverage and building height. There is no maximum lot coverage within the R-4.5 zoning district, and the maximum height requirement is 30 feet. The remaining standards are exceeded by the conditional use requirements. Based on the analysis above, the underlying zone's development standards are met or exceeded. This criterion is satisfied. ACCESS, EGRESS AND CIRCULATION (18.705� No building or other permit shall be issued until scaled plans are presented and approved as provided by this chapter that show how access, egress and circulation requirements are to be fulfilled. The applicant shall submit a site plan. Because the parking requirement is less than 100 spaces, the TDC requires a minimum of TEMPLETON ELEMENTARY PAGE 8 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER one 30-foot access with 24 feet of pavement. The access off of SW Murdock is pre-existing, and according to the plans provided is 31 feet wide. This criterion is satisfied. All vehicular access and egress as required in Sections 18.705.030H and 18.705.0301 shall connect directly with a public or private street approved by the City for public use and shall be maintained at the required standards on a continuous basis. The site has frontage on SW Murdock Street. SW Murdock is a public street and the proposed access connects directly to the site. This criterion is satisfied. Required Walkway Location On-site pedestrian walkways shall comply with the following standards: Walkways shall extend from the ground floor entrances or from the ground floor landing of stairs, ramps, or elevators of all commercial, institutional, and industrial uses, fo the streets which provide the required access and egress. Walkways shall provide convenient connect�ons between buildin�s in multi-building commercial, institutional, and industrial com�lexes. Unless impractical, walkways shall be constructed between new and exist�ng developments and neighboring developments; The site already has a pre-existing walkway that extends from the site to SW Murdock Street. This criterion is satisfied. Within all attached housing (except two-family dwellings and multi-family developments, each residential dwelling shall be connected �r walkway to the vehicular parking area, and common open space and recreation facilities; This criterion is not applicable to this proposal. Wherever required walkways cross vehicle access drivewa s or parking lots, such crossings shall be designed and located for pedestrian sa�ety. Rec�uired walkways shall be physically separated from motor vehicle traffic and parking by either a minimum 6-inch vertical separation (curbed) or a minimum 3-foot horizontal separation, except that pedestrian crossings of traffic aisles are permitted for distances no greater than 36 feet if appropriate landscaping, pavement markings, or contrasting pavement materials are used. Walkways shall be a minimum of four feet in width, excfusive of vehicle overhangs and obstructions such as mailboxes, benches, bicycle racks, and sign posts, and shall be in compliance with ADA standards; The applicant's plans show there are no required walkways crossing the vehicular access or parking area. All pre-existing and proposed sidewalks are concrete. The sidewalks meet or exceed the minimum width of four feet. This criterion is satisfied. Required walkways shall be paved with hard surfaced materials such as concrete, asphalt, stone, brick, etc. Walkways may be required to be lighted and/or signed as needed for safety purposes. Soft-surfaced public use pathways may be provided only if such pathways are provided in addition to required pathways. The applicant is proposin� to construct all sidewalks with concrete materials, and lighting was discussed previously in this report. This criterion is satisfied. Access Management (Section 18.705.030.H): Section 18.705.030.H.1 states that an access report shall be submitted with all new development proposals which verifies design of driveways and streets are safe by meeting adeguate stacking needs, sight distance and deceleration standards as set by ODOT, Washington County, the City and AASHTO. A new driveway, meeting current City standards, is proposed. Sight distance is not at issue because the access is at the end of a dead-end street with no cross traffic. Section 18.705.030.H.3 and 4 states that the minimum spacing of driveways and streets along a collector shall be 200 feet. The minimum spacing of driveways and TEMPLETON ELEMENTARY PAGE 9 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER streets along an arterial shall be 600 feet. The minimum spacing of local streets along a local street shall be 125 feet. Does not apply to current street configuration. ENVIRONMENTAL PERFORMANCE STANDARDS —CHAPTER 18.725: Requires that ederal and state environmental laws, rules and regulations be applied to development within the City of Tigard. Section 18.725.030 Performance Standards regulates: Noise, visible emiss�ons, vibration and odors. Noise. For the purposes of noise regulation, the provisions of Sections 7.41.130 through 7.40.210 of the Tigard Municipal Code shall apply. Visible Emissions. Within the Commercial zoning districts and the Industrial Park (I-P) zoning district, there shall be no use, operation or activity which results in a stack or other point- source emission, other than an emission from space heating, or the emission of pure uncombined water (steam� which is visible from a property line. Department of Environmental Quality (DEQ) rules for visible emissions (340-21-015 and 340-28-070) apply. Vibration. No vibration other than that caused by highway vehicles, trains and aircraft is permitted in any given zoning district, which is discernible without instruments at the property line of the use concerned. Odors. The emissions of odorous gases or other matter in such quantities as to be readily detectable at any point beyond the property line of the use creating the odors is prohibited. DEQ rules for odors (340-028-090) apply. Glare and heat. No direct or sky reflected glare, whether from floodlights or from high tem perature processes such as combustion or weldin�, which is visible at the lot line shall be permitted, and; 1) there shall be no emission or transmission of heat or heated air which is discernible at the lot line of the source; and 2) these regulations shall not apply to si�ns or floodli�hts in parking areas or construction equipment at the time of construction or excavation work otherwise permitted by this title. Insects and rodents. All materials including wastes shall be stored and all grounds shall be maintained in a manner which will not attract or aid the propagation of insects or rodents or create a health hazard. There is no evidence in the record that would suggest that any problems associated with noise, emissions, vibrations, odors, glare and heat, or insects and rodents would result from this specific development. FINDING: Based on the information provided by the applicant, the use of the property will conform to the above requirements. If for some reason the above standards were in question, and it was subsequently found that the use was out of compliance with any of the above standards, the property owner would be subject to code enforcement, court review, possible fines, and revocation of the Conditional Use Permit. A search of City records does not indicate any code enforcement issues associated with the existing use. LANDSCAPING AND SCREENING — CHAPTER 18.745: Street trees: ection 18.745.040 states that all development proJ ects fronting on a public street shall be required to plant street trees in accordance with Section 18.745.040.0 Section 18.745.040.0 required that street trees be spaced between 20 and 40 feet apart depending on the size classification of the tree at maturity (small, medium or large). The project has only 50:feet of frontage and is therefore not required to plant any street trees. This criterion is not applicable. TEMPLETON ELEMENTARY PAGE 10 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER Land Use Buffering and Screening: Buffering and Screening is required between different types of land uses. The proposed facility is in a residential zone and is adjacent to residential uses on three sides. There are no specific bufFerin� requirements for this use. The only requirement applicable to this development is the screening of the parking area which is discussed in the next segment of this discussion. This criterion is satisfied. Screening of parking and loading areas is required. The specifications for this screening are as follows: Landscaped parking areas shall include special design features, which effectively screen the parking lot areas from view. These design features may include the use of landscaped berms, decorative walls and raised plan�ers; The applicant is proposin� to re-stripe part of the parking area, and to add an area of parking in the center of the existing parking area where a landscaped island currently exists. The applicant has proposed to fandscape and screen the new parking areas with three trees and a vanety of shrubs. The applicant has not proposed any new screening to the existing Parking areas that are to be re-striped. Staff is confident that the landscaping and screening that is existing, and that is proposed will satisfy any need for buffering and screening from this addition. There is no need to require additional buffenng and screening from adjacent uses. This criterion is satisfied. Trees shall be planted in landscaped islands in all parking areas, and shall be equally distributed anci on the basis of one tree for each seven parking spaces in order to provide a canopy effect; and The applicant's plan indicates that there will be three trees planted within the interior of the new parking area. The trees are proposed in a location that, at maturity would meet the standards of the development code by providing a canopy effect over the parking area. This criterion is satisfied. The minimum dimension of the landscape islands shall be three feet and the landscaping shall be protected from vehicular damage by some form of wheel guard or curb. The site plan shows that the new planting islands within the existing parking area that exceeds the minimum dimensions by several feet. The islands will be protected by six-inch curb. This criterion is satisfied. MIXED SOLID WASTE AND RECYCLABLES STORAGE — CHAPTER 18.755: Chapter 18.755 requires that new construction incorporates functional and adequate space for on-site storage and efficient collection of mixed solid waste and source separated Recyclables prior to pick-up and removal by haulers. The a�plicant must choose one (1) of the following four (4) methods to demonstrate comp iance: Minimum Standard, �IVaste Assessment, Comprehensive Recyclin� Plan, or Franchised Hauler Review and Sign-Off. The applicant will have to submit evidence or a plan, which indicates compliance with this section. Regardless of which method chosen, the a�plicant will have to submit a written sign-off from the franchise hauler regarding the acility location and compatibility. The applicant has indicated that the location of the existing facility will not change and has indicated that the service provider is satisfied with continuing regular service at that location. This standard is satisfied. OFF-STREET PARKING AND LOADING (18.765) At the time of the erection of a new structure within any zoning district, off-street vehicle parking will be provided in accordance with Section 18.765.070. The subject site is located within the Metro Zone B. The maximum number of parking TEMPLETON ELEMENTARY PAGE 11 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER spaces that can be provided by the elementary school is 3.5 spaces per classroom. Therefore, the maximum number of parking spaces for the site based on 26 classrooms would be 91 spaces. The minimum �arking standards are as follows: The minimum amount of parking required by the facility is 2.0 spaces per classroom. As such, the minimum parking requirement for the elementary school will be 52 parking spaces. The applicant has proposed 80 spaces. This criterion is satisfied. With regard to access to public streets from off-street parking: Access drives from the street to off-street parking or loadin� areas shall be designed and constructed to facilitate the flow of traffic and provide maximum safety for pedestrian and vehicular traffic on the site; The number and size of access drives shall be in accordance with the requirements of Chapter, 18.705, Access, Egress and Circulation; As discussed earlier in this report, this criterion is satisfied. Access drives shall be clearly and permanently marked and defined through use of rails, fences, walls or other barriers or markers on frontage not occupied by service drives; The access is pre-existing and functioning. There is no evidence in the record to suggest that further marking is necessary for this addition. This criterion is not applicable. Access drives shall have a minimum vision clearance in accordance with Chapter 18.795, Visual Clearance; Vision Clearance is discussed later in this report. This criterion is satisfied. Access drives shall be improved with an asphalt or concrete surface; The existing access and parking areas are already paved with asphalt. The applicant has indicated that all new parking areas will be paved and marked accordingly. This criterion is satisfied. Excluding single-family and duplex residences, except as provided by Subsection 18.810.030P, groups of two or more parking spaces shall be served by a service drive so that no backing movements or other maneuvering within a street or other public right-of-way will be required. The parking spaces are serviced by two-way access proposed within this project, and there is room for service vehicles to turn around and enter the street so that no backing movement will be required. This criterion is satisfied. Loading/unloading driveways: A driveway designed for continuous forward flow of passenger vehicles for the purpose of loading and unloading passengers shall be locateci on the site of any school or other meeting place which is designed to accommodate more than 25 people at one time. The applicant has indicated that the existing loading and unloading areas will remain. Currently, the facility has a bus loading area, and a pedestrian loading facility. This criterion is satisfied. Parking Lot Striping: Except for sing(e-family and duplex residences, any area intended to be used to meet the off-street parking requirements as contained in this Chapter shall have all parking spaces clearlx marked; and all interior drives and access aisles shall be clearly marked and signed to show direction of flow and maintain vehicular and pedestrian safety. The applicant has indicated that the parking lot will be re-striped but has not indicated TEMPLETON ELEMENTARY PAGE 12 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER direction arrows on the plans, however, the direction of flow within the interior of the site is two-way, and can be expected to operate in the same manner as a roadway. This criterion is satisfied. Wheel Stops: Parking spaces along the boundaries of a parking lot or adjacent to interior landscaped areas or sidewalks shall be provided with a wheel stop at least four inches high located three feet back from the front of the parking stall. The front three feet of the parking stall may be concrete, asphalt or low lying landscape material that does not exceed the height of the wheel stop. This area cannot be calculated to meet landscaping or sidewalk requirements. The applicant indicates that they will place 6-inch concrete curbs at the edges of paving adjacent to planting areas on the drawings. This criterion is satisfied. Space and Aisle Dimensions: Table 18.765.1. outlines the minimum dimensions for angled parking. The proposal identifies a total of 30 new spaces utilizing 60-degree parking. Staff review of the parking plan illustrates compliance with Figure 18.765.1. This criterion is satisfied. Minimum Bicycle Parking Requirements: The total number of required bicycle parking spaces for each use is specified in Table 18.765.2 in Section 18.765.070.H. Bicycle parking was discussed previously in this report, and staff has recommended approval of an adjustment to the bicycle parking standards. The bicycle parking is pre-existing. This standard is satisfied. Off-street loading requirements: Off-street loading spaces: Commercial, industrial and institutional buildings or structures to be built or altered which receive and distribute material or merchandise by truck shall provide and maintain off-street loading and maneuvering space as follows: . A minimum of one loading space is required for buildings with 10,000 gross square feet or more; . A minimum of two loading spaces for buildings with 40,000 gross square feet or more. Off-street loadin� dimensions: . Each loading berth shall be approved by the City Engineer as to design and location; . Each loading space shall have sufficient area for turning and maneuvering of vehicles on the site. At a minimum, the maneuvering length shall not be less than twice the overall length of the longest vehicle using the facility site; . Entrances and exits for the loading areas shall be provided at locations approved by the City Engineer in accordance with Chapter 18.710; . Screening for off-street loading facilities is required and shall be the same as screening for parking lots in accordance with Chapter 18.745. Because of the size of the building, the facility would be required to provide two (2) off-street loading spaces to meet the standard. The applicant has indicated that the existing bus loading spaces on the plan would be utilized to satisfy this criteria. This criterion is satisfied. SIGNS (18.780� Requires that a permit be issued for any sign that is erected, re-erected, constructed, structurally altered, or relocated within the City Limits. FINDING: The applicant has not provided the needed information to issue a sign permit because it is not necessary to do so at this time. TEMPLETON ELEMENTARY PAGE 13 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER CONDITION:Prior to placement of any signs on site, the applicant shall apply for a sign permit and supply staff with the appropriate plans to verify compliance with TDC Chapter 18.780. TREE REMOVAL — CHAPTER 18.790: Section 18.790.030 requires that a tree plan for the planting, removal and protection of trees prepared by a certified arborist be provided for a conditional use application. The tree plan shall include identification of all existing trees, Identification of a Program to save existing trees or mitigate tree removal over 12 inches in caliper, identification of which trees are proposed to be removed, and a protection program defining standards and methods that will be used by the applicant to protect trees during and after construction. The applicant has provided a tree survey and removal plan from Clay Halstead, Certified Arborist. According to the plan, there are 10 trees over 12 inches on site. Of these 10 trees, the applicant is proposing to remove 3 to accommodate construction. The arborist states that two of the three trees are diseased and/or hazardous. Therefore, the retention is equal to 75%. According to the TDC Section 18.790.030(B)(2)(D), the applicant is not required to mitigate for any of the trees removed. However, the cF�apter still requires that the applicant protect the trees that are to remain on site during construction activities. FINDING: The applicant's arborist proposed tree protection measures that would be necessary in order to ensure the v�ability of those trees that are in close proximity to the construction areas as required by Section 18.790.030(B)(4). The City's Arborist has reviewed the plan and requested that the following conditions be satisfied. CONDITIONS: • The applicant shall provide the City Arborist with a construction sequence including installation and removal of tree protection devices, clearing, grading, and paving. • The applicant shall notify the City Arborist when tree protection measures are in place so that he may verify that the measures will function properly prior to construction. VISUAL CLEARANCE AREAS — CHAPTER 18.795: Section 18.795.020.A. states that the provisions of this chapter shall apply to all development including the construction of new structures, the remodeling of existing structures and to a change of use which increases the on-site parking or loading requirements or which changes the access requirements. Section 18.795.030.B. states that a clear vision area shall contain no vehicle, hedge, planting, fence, wall structure or temporary or permanent obstruction (except for an occasional utility pole or tree), exceeding three feet in height, measurec� from the top of the curb, or where no curb exists, from the street center line grade, except that trees exceeding this height may be located in this area, provided alt branches below eight feet are removed. The applicant has indicated in the narrative and the site plan that a clear vision area will be maintained. Staff will review the areas at the time of final occupancy to ensure compliance with the standards. This criterion is satisfied. FINDING: Based on the analysis above, the vision clearance standards have been met. STREET AND UTILITY IMPROVEMENTS STANDARDS CHAPTER- 18.810: Chapter 18.810 provides construction standards for the implementation of public and private facilities and utilities such as streets, sewers, and drainage. The applicable standards are addressed below: TEMPLETON ELEMENTARY PAGE 14 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER Streets: Improvements: Section 18.810.030.A.1 states that streets within a development and streets adjacent shall be improved in accordance with the TDC standards. Section 18.810.030.A.2 states that any new street or additional street width planned as TDCrtion of an existing street shall be dedicated and improved in accordance with the Minimum Rights-of-Way and Street Widths: Section 18.810.030.E requires an arterial street to have a 64 to 128-foot right-of-way width and varied paved section. Other improvements required may include on-street parking, sidewalks and bikeways, underground utilities, street lighting, storm drainage, and street trees. This site lies adjacent to SW Murdock Street, which is classified as a local street on the City of Tigard Transportation Plan Map. At �resent, there is approximately 50 feet of ROW, according to the most recent tax assessor s map. The applicanYs property lies perpendicular to the street right-of-way, therefore, no ROW dedication is required. SW Murdock is currently improved. In order to mitigate the impact from this development, the applicant should construct a new driveway apron, per City of Tigard design standards. Future Street Plan and Extension of Streets: Section 18.810.030.F states that a future street plan shall be filed which shows the pattern of existing and proposed future streets from the boundaries of the proposed land division. This section also states that where it is necessary to give access or permit a satisfactory future division of adjoining land, streets shall be extended to the boundary lines of the tract to be developed and a barricade shall be constructed at the end of the street. These street stubs to adjoining properties are not considered to be cul-de-sacs since they are intended to continue as through streets at such time as the adjoining property is developed. A barricade shall be constructed at the end of the street by the property owners which shall not be removed until authorized by the City Engineer, the cost of which shall be included in the street construction cost. Temporary hammerhead turnouts or temporary cul-de-sac bulbs shall be constructed for stub streets in excess of 150 feet in length. The applicant has submitted an addendum to their application to address the block length standards. The existing development of the school site and surrounding neighborhood makes a street extension infeasible. The extent of the proposed improvements also does not warrant street improvements at this time. Street Alignment and Connections: Section 18.810.030.H.1 states that full street connections with spacing of no more than 530 feet between connections is required except where prevented by barriers such as topography, railroads, freeways, pre-existing developments, lease provisions, easements, covenants or other restrictions existing prior to May 1, 1995 which preclude street connections. A full street connection may also be exempted due to a regulated water feature if regulations would not permit construction. Section 18.810.030.H.2 states that all local, neighborhood routes and collector streets which abut a development site shall be extended within the site to provide through circulation when not precluded by environmental or topographical constraints, existing development patterns or strict adherence to other standards in this code. A street connection or extension is precluded when it is not possible to redesi�n, or reconfigure the street pattern to provide required extensions. Land is considered topographically constrained if the slope is greater than 15% for a distance of 250 feet or more. In the case of environmental or topographical constraints, the mere presence of a constraint is not sufficient to show that a street connection is not possible. The applicant must show why the constraint precludes some reasonable street connection. TEMPLETON ELEMENTARY PAGE 15 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER The applicant's addendum addresses this issue. The existing school site development and surrounding neighborhood development precludes providing through circulation. Cul-de-sacs: 18.810.030.L states that a cul-de-sac shall be no more than 200 feet long, shall not Provide access to greater than 20 dwelling units, and shall only be used when environmental or topographical constraints, existing development pattern, or strict adherence to other standards in this code preclude street extension and through circulation: • All cul-de-sacs shall terminate with a turnaround. Use of turnaround configurations other than circular, shall be approved by the City En�ineer; and • The length of the cul-de-sac shall be measured from the centerline intersection point of the two streets to the radius point of the bulb, and • If a cul-de-sac is more than 300 feet tong, a lighted direct pathway to an adjacent street may be required to be provided and dedicated to the City The scope of this project does not warrant the construction of a cul-de-sac at this time. Block Designs - Section 18.810.040.A states that the length, width and shape of blocks shall be designed with due regard to providing adequate building sites for the use contemplated, consideration of needs for convenient access, circulation, control and safety of street traffic and recognition of limitations and opportunities of topography. Block Sizes: Section 18.810.040.B.1 states that the �erimeter of blocks formed by streets shall not exceed 1,800 feet measured along the right-of-way line except: . Where street location is precluded by natural topography, wetlands or other bodies of water or, pre-existing development or; . For blocks adjacent to arterial streets, limited access highways, major collectors or railroads. . For non-residential blocks in which internal public circulation provides equivalent access. Section 18.810.040.B.2 also states that bicycle and pedestrian connections on public easements or right-of-ways shall be provided when full street connection is not possible. Spacing between connections shall be no more than 330 feet, except where precluded by environmental or topographical constraints, existing development patterns, or strict adherence to other standards in the code. Due to existing development patterns, full street connection is not feasible at this time. If the site is redeveloped sometime in the future, it may be possible to make needed street connections. However, there are seven pedestrian connections to this site from the surrounding developments providing connectivity to and through the site. This criterion is satisfied. Sidewalks: Section 18.810.070.A requires that sidewalks be constructed to meet City design standards and be located on both sides of arterial, collector and local residential streets. On site sidewalk improvements are pre-existing on this site. No further improvements are warranted by this development proposal. Sanitary Sewers: Sewers Required: Section 18.810.090.A requires that sanitary sewer be installed to serve each new development and to connect developments to existing mains in accordance with the provisions set forth in Design and Construction Standards for Sanitary and Surface Water Management (as adopted by Clean Water Services in 1996 and including any future revisions or amendments) and the adopted policies of the comprehensive plan. Over-sizing: TEMPLETON ELEMENTARY PAGE 16 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER Section 18.810.090.0 states that proposed sewer systems shall include consideration of additional development within the area as projected by the Comprehensive Plan. The applicant has stated that no additional sewer capacity is required to serve the proposed improvements. Storm Drainage: General Provisions: Section 18.810.100.A states requires developers to make adequate provisions for storm water and flood water runoff. The site slopes downward to the southeast. There are no upstream drainage areas impacting this site, as most of the area upstream is developed and runoff from impervious areas is collected on those sites. Effect on Downstream Drainage: Section 18.810.100.D states that where it is anticipated by the City Engineer that the additional runoff resulting from the development will overload an existing drainage facility, the Director and Engineer shall withhold approval of the development until provisions have been made for improvement of the potential condition or until provisions have been made for storage of additional runoff caused by the development in accordance with the Design and Construction Standards for Sanitary and Surface Water Management (as adopted by Clean Water Services in 2000 and including any future revisions or amendments). In 1997, Clean Water Services (CWS) completed a basin study of Fanno Creek and adopted the Fanno Creek Watershed Management Plan. Section V of that plan includes a recommendation that local governments institute a stormwater detention/effective impervious area reduction program resulting in no net increase in storm peak flows up to the 25-year event. The City will require that all new developments resulting in an increase of impervious surfaces provide onsite detention facilities, unless the development is located adjacent to Fanno Creek. For those developments adjacent to Fanno Creek, the storm water runoff will be permitted to discharge without detention. The applicant's engineer has indicated that an underground ADS pipe storage system will be installed to provide detention. Bikeways and Pedestrian Pathways: Bikeway Extension: Section 18.810.110.A states that develo�ments adjoining Proposed bikeways identified on the City's adopted pedestrian/b�keway plan shall �nclude provisions for the future extension of such bikeways through the dedication of easements or right-of-way. This site is not adjacent to any proposed bikeways. This criterion is not applicable. Utilities: Section 18.810.120 states that all utility lines, but not limited to those required for electric, communication, lighting and cable television services and related facilities shall be placed underground, except for surface mounted transformers, surface mounted connection boxes and meter cabinets which may be placed above �round, temporary utility service facilities during construction, high capacity electric lines operating at 50,000 volts or above, and: . The developer shall make all necessary arrangements with the serving utility to provide the underground services; . The City reserves the right to approve location of all surface mounted facilities; . All underground utilities, including sanitary sewers and storm drains installed in streets by the developer, shall be constructed prior to the surfacing of the streets; and TEMPLETON ELEMENTARY PAGE 17 OF 22 1l12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER . Stubs for service connections shall be long enough to avoid disturbing the street improvements when service connections are made. All utilities are pre-existing any new updates will be subject to approval from the appropriate provider. This criterion is satisfied. ADDITIONAL CITY AND/OR AGENCY CONCERNS WITH STREET AND UTILITY IMPROVEMENT STANDARDS: Public Water System: The applicant has indicated that there will be no �mpact to the water system as a result of this development. Storm Water Qualitv: The City has agreed to enforce Surface Water Management (SWM) regulations established by Clean Water Services CWS) Design and Construction Standards (adopted by Resolution and Order No. 0�-7) which require the construction of on-site water quality facilities. The facilities shall be designed to remove 65 percent of the phosphorus contair�ed en 100 perGent of the storm water runoff generated from newly created impervious surFaces. In addition, a maintenance plan shall be submitted indicating the frequency and me�hod to be used in keeping the facility maintained through the year. Prior to issuance of buii�ing permit, the applicant shall submit plans and calculations for a water quality facility that will meet the intent of the CWS Design Standards. In addition, the applicant sha�i submit a maintenance plan for the facility that must be reviewed and approved by the City prior to coristruction. To ensure compliance with Clean Water Services design and construction standards, the applicant shall employ the design engineer responsible for the design and specifications of the private water quality facility to perform construction and visual observation of the water quality facility for compliance with the design and specifications. These inspections shall be made �t signi icant stages tf�roughout the project and at completion of the construction. Prior to final building inspecti�n, the design engineer shall provide the City of Tigard (Inspection Supervisor) with written corfirmation that 4he water quality facility is in compliance with the design and sp�cificat;ons The proposed unit f�orn Stormwater Management is acceptable, provided the property owner agree� to hire the manufacturer (or appraved equal) to provide the required maintenance of thA ur�it. Prior to a final building inspection, the applicant shall demonstrate that they have entered �nto a maintenance agreement with Stormwater Management, or another company that demonstrates they can meet the mainte�ance requirements of the manufacturer. Site Permit Required: The applicant is required to obtain a Site Permit from the Building Division to cover all on-site priva�e ut�lity �nsta!lations (water, sewer, storm, etc.) and driveway construction. This permit shall be obtai�eJ prior to approval of the final plat. �radi�ig and•Ero�ion �ontrol: CWS Design and Construction Standards also regulate erosion control to reduce the amount of sediment and other pollutants reaching the public storm ancl surface water �ystem resultin from development, construction, grading, excavating, clearing, and any other activi�y �ivhich accelerates erosion. Per CWS regulations, the applicant is required to submit an erosion control plan for City review and approval prior to i�suance of City permits. TEMPLETON ELEMENTARY PP.CE 18 OF 22 1!'12/d4 PUBLIC HFARI►vG STAFF REPORT f0 TFiE HEARINGS OFFICER The Federal Clean Water Act requires that a National Pollutant Discharge Elimination System (NPDES) erosion control permit be issued for any development that will disturb f�ve or more acres of land. Since this site is over five acres, the developer will be required to obtain an NPDES permit from the City prior to construction. This permit will be issued along with the site and/or building permit. It appears that this project may disturb more than one acre of the site. Therefore, a NPDES permit would be required. D. IMPACT S7UDY: Section 18.390.040.B.2.e states that the applicant shall provide an impact study to quantify the effect of development on public facilities and services. For each public facility system and type of impact, the study shall propose improvements necessary to meet Cit�r standards, and to minimize the im�act of the development on the public at large, public facilities systems, and affected private property users. In situations where the Community Development Code requires the dedication of real propertx interests, the applicant sf�all either specifically concur with a requirement for public right-of-way dedication, or provide evidence that supports that the real property dedication is not roughly proportional to the projected impacts of the development. The applicant has submitted an impact study addressing the required elements above. The report substantiates that all services are capable of serving the site. The applicant has Proposed to make the necessary improvements, and there is no applicable Transportation mpact Fee associated with this development, because they are not increasing the number of students that would be served by the site. Based on the conditions of approval and findings of fact within this decision, there are no unmitigated impacts as a result of this development to any public systems. SECTION VII. OTHER STAFF COMMENTS The City of Tigard Building Division has reviewed this application and stated that they have concerns with exiting that will be addressed as part of the plan review for the new addition if approved. The City of Tigard Engineering Department was sent this proposal for review and the comments have been incorporated into this repo�t. City of Tigard Operations Manager and Water Department has reviewed this application and provided comments regardin connection and maintenance of any new and upgraded services. Contact Rich Sattler a� the Water Department for review of the water system. (503)639-4171 ext. 2609. City of Tigard Police Department has reviewed this application and requested that a full lighting plan be submitted for review. City of Tigard Arborist has reviewed this application and requested that the applicant reconsider the planting of the Staghorn Sumac as it is aggressive. SECTION VI11. AGENCY COMMENTS Tualatin Valley Fire and Rescue has reviewed this application and offered the following comments: �� Access roads shall be within 150 feet of all portions of the exterior wall of the first story of the building as measured by an approved route around the exterior of the building. An approved turnaround is required if the remaining distance to an approved intersecting TEMPLETON ELEMENTARY PAGE 19 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER roadway, as measured along the fire apparatus access road, is greater than 150 feet. (UFC Sec. 902.2.1) The proposed new fire apparatus access lane locafion is approved. If the proposed gate will be locked, it shall be provided with a Knox brand padlock. Please contact the Fire Marshal's Office for an order form 2� Dead end fire apparatus access roads in excess of 150 feet in length shall be provided with an approved turnaround. Diagrams of approved turnarounds are available from the fire district. (UFC Sec. 902.2.2.4) The proposed fire apparatus turnaround serving the fire lane is approved as submitted. s� Fire apparatus access roads shall have an unobstructed width of not less than 20 feet (15 feet for one or two dwelling units and out buildings), and an unobstructed vertical clearance of not less than 13 feet 6 inches. (UFC Sec. 902.2.2.1) The dimensions of the proposed fire lane are approved with a width of 15 feet. a� Fire apparatus access roads shall be of an all-weather surface that is easily distinguishable from the surrounding area and is capable of supporting not less than 12,500 pounds point load (wheel load) and 50,000 pounds live load (gross vehicle weight). You may need to provide documentation from a registered engineer that the design will be capable of supporting such loading. Documentation from a registered engineer that the finished construction is in accordance with the approved plans or the requirements of the Fire Code may be requested. (Design criteria on back) (UFC Sec. 902.2.2) s� The inside turning radius and outside turning radius shall be not less than 25 feet and 45 feet respectively, measured from the same center point. (UFC Sec. 902.2.2.3) — {See diagrams on back) s� Where required, fire apparatus access roadway curbs shall be painted yellow and marked "NO PARKING FIRE LANE" at each 25 feet. Lettering shall have a stroke of not less than one inch wide by six inches high. Lettering shall be white on red or black on yellow background. (UFC Sec. 901.4.5.2) The fire lane shall be provided with No Parking — Fire Lane signs along its entire length and in the furnaround. �� The required fire flow for the building shall not exceed 3,000 gallons per minute (GPM) or the available GPM in the water delivery system at 20 psi, whichever is less. A worksheet for calculating the required fire flow is available from the Fire Marshal's Office. (UFC Sec. 903.3) The minimum required fire flow for this project is 1500 GPM at 20 psi. Fire flow verificafion shall be provided prior to fhe issuance of construction permits. s> No portion of the exterior of a commercial building shall be located more than 250 feet from a fire hydrant when measured in an approved manner around the outside of the building and along an approved fire apparatus access roadway. Any hydrants that are left over from the minimum number of hydrant calculations may be full filled by hydrants TEMPLETON ELEMENTARY PAGE 20 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER i that are up to 500 feet from any point of the building. The fire Prevention Ordinance has further requirements that need to be used for acceptance and placement of fire hydrants. (UFC Sec. 903.4.2.1) The proposed distribution and number of fire hydrants is approved as submitted. s� The minimum number of fire hydrants for a building shall be based on the required fire flow prior to giving credit for fire protection systems divided by 1500. If the answer is equal to or greater than x.5 the next whole number of hydrants shall be used. There shall not be less than 2 hydrants per building. (UFC Sec. 903.4.2.1) Considerations for placing fire hydrants shall be as follows: • Existing hydrants in the area may be used to meet the required number of hydrants; however, hydrants that are over 500 feet away from the nearest point of the subject building shall not contribute to the required number of hydrants. • Hydrants that are separated from the subject building by railroad tracks shall not contribute to the required number of hydrants. • Hydrants that are separated from the subject building by divided highway, freeway, or heavily traveled collector streets shall not contribute to the required number of hydrants. • Hydrants that are accessible only by a bridge shall be acceptable to contribute to the required number of hydrants only if approved by the Chief. • Private hydrants or public hydrants that are on adjacent private property shall not contribute to the required number of hydrants for the subject building. Exception: The use of hydrants located on other private property may be considered if their locations and access are encumbered in a legal document (such as deed restriction) by the owners of the involved parcels of property. The encumbrance may be lifted only after approvals by the Chief on behalf of the fire department and any other governmental agencies that may require approval. • When evaluating the placement of hydrants at apartment or industrial complexes the first hydrant(s) to be placed shall be at the primary access and any secondary access to the site. After these hydrants have been placed other hydrants shall be sited to meet the above requirements for spacing and minimum number of hydrants. (UFC Sec. 903.4.2.1.1) �o> Fire hydrants shall be located not more than 15 feet from an approved fire apparatus access roadway. (UFC Sec. 903.4.2.4) �� Fire hydrant locations shall be identified by the installation of reflective markers. The markers shall be blue. They shall be located adjacent and to the side of the centerline of the access road way that the fire hydrant is located on. In case that there is no center line, then assume a centerline, and place the reflectors accordingly. (UFC Sec. 901.4.3) �2� A fire hydrant shall be located within 70 feet of a fire department connection (FDC). Fire hydrants and FDC's shall be located on the same side of the fire apparatus access roadway. (UFC Sec. 903.4.2.5) FDC locations shall be approved by the Chief. (1996 Oregon Structural Specialty Code, Sec. 904.1.1) TEMPLETON ELEMENTARY PAGE 21 OF 22 1/1?J04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER �3� Approved fire apparatus access roadways and fire fighting water supplies shall be installed and operational prior to any other construction on the site or subdivision. (UFC Sec. 8704) �a> A Knox Box for building access is required for this building. Please contact the Fire Marshal's Office for an order form and instructions regarding installation and placement. (UFC Sec. 902.4) �5� A building survey and plans, in accordance with TVF&R Ordinance 99-01, Appendix III-F, shall be submitted. A copy of Appendix III-F, the building survey form and the instructions are available on the Fire District web site at www.tvfr.com. (UFC Appendix III-F) 16) Please contact me at (503) 612-7010 with any additional questions. Clean Water Services and Portland General Electric were given the opportunity to review this proposal and submitted no comments or objections. � . � � � Januar 5 2004 PREPARED BY: Brad Kilby ATE Associate Planner -, �� ;-' .�- �.__ r �.�.? -�� .�.. _ - -' C� Janua 5 2004 APPROVED BY: Richard Bewers ATE Planning Mana er TEMPLETON ELEMENTARY PAGE 22 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER --- � _ � � � D � � QEOGR�vHiCiNFORM�!iON SvSTEM I C T� m �■�Mt� � i I � � � _ � � � � II � i P►� CUPZ003-00011 EMBROOKST D � VARZ003'OOI OO < m o F- _ _ _ = = = _ _ � � TE M PLETON � PINEBRC E LE M E NTARY ST '`�`\� ��;°�.�.� ' ' SCHOOL ADDITION �.�� \, ��,�' ��'�,,�`�� ' K ST ��.�� '� �''��...��,�.�,�, i '`�..� ' `�.,';��,'�.�,''`,,.��' \ ��.� . � � `��:,\`��. t� �`�� , ��, • � � ..A B sfR ��,. � � �,��', �i�� \ f��Y�,j i � `��`�, ��'��, N . ._ �.��I`t\'L:�'� ,`�. G / _�.-r��-- ,; �� . � :�:�,� ' = V-,,. 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' S\ �L� Tiqard.OR 97223 (503)6344171 http:/Awnv.CI.tiOafd.or.ua Community Development Plot date:Nov 14,2003;C:lmagiclMAGIC03.APR I i -- T� _ - - - - - - - - - ..�,..� - - I� _-., �., ..�.....� - - -�___.� I � _ - - - - -- --- - - -- = - —�..� i ��--�---- - ' . � -�------ _ - -- -- - - - - -- .e. ...� ,� I -�� - - - - �j � . � � "a;�^ % /� / '7"i 'Y; � ' / �� .... —�----- ,.�...�.o I ,. �� .�"'".. I � �.�'�q �,.\\\ \\�\\ \\ \ \ �� 0p°� �w~u /; I � `� - � � � i ��n� � � ��, � ; ��° `��``,\,,\\'`,1'�`\ �� .\ I � I � _�...,, 1� i i ` �_� — ex�sn,o 1s.r�Fra+ fi-. { ' � 5� Et.�rrte.m'spioo� '�! � I � I 4 �.,,, ....` t �., � �{,� � ....w , �l..-_ '�\ �.�..... �--.�-_--��''� f�-s-tr�s '+�,�,N��" °� � � � r„�'ti .w. ,,f �,. ,,,+ sa��3 ` s BuLOno '1� �2' .F �R>. 3: - , . -. - ,�.;;�: 1 ,ec .��,z., . ..:�� ri;i � �l . +._ �.� 1 ) . _ . . `... . ... .. . . I �� )!, '�r`�f'. T �, . .. �� + . ��Y�t� `� �t � . 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Please ca�l 503-639�171, Ext. 2438 (voice) or 503-6842772 (TDD - Telecommunications Devices for the Deafl. Upon request, the City will also endeavor to arrange for qualfied sign language interpreters for persons with speech or hearing impairments and qualfied bilingual interpreters. Since these services must be scheduled with outside service providers, it is important to allow as much lead time as possible. To request such senrices, please notify the City of Tigard of your need(s) by 5:00 p.m., no less than one (1) week prior to the meeting date at the same phone numbers listed above so that we can make the appropriate arrangements. Hearings are held in Town Hall at the City of Tigard at 13125 SW Hall Boulevard Staff reports are available to the public 7 days prior to the hearing date 1. CALL TO ORDER 2. PUBLIC HEARING 2.1 TEMPLETON ELEMENTARY SCHOOL ADDITION CONDITIONAL USE PERMIT(CUP)2003-00011 VARIANCE (VAR)2003-00100 REQUEST: The applicant is requesting Conditional Use approval to add an 8,300 square foot addition to the existing 51,030 square foot school, to modify the parking areas, and to add a fire access lane along the north property line. The applicant is also seeking an Adjustment to reduce the required number of bicycle stalls on site. LOCATION: 9500 SW Murdock Street;WCTM 2S111AC, Tax Lot 2901. ZONE: R-4.5: Low-Density Residential District. The R-4.5 zoning district is designed to accommodate detached single-family homes with or without accessory residential units at a minimum lot size of 7,500 square feet. Duplexes and attached single-family units are permitted conditionally. Some civic and institutional uses are also permitted conditionally. APPLICABLE REVIEW CRITERIA: Community Development Code Chapters 18.330, 18.360, 18.370, 18.390, 18.510, 18.705, 18.725, 18.745, 18.755, 18,765, 18.790, 18.795 and 18.810. 3. OTHER BUSINESS 4. ADJOURNMENT SUBJECT TO CHANGE Page 1 of 1 NOTICE TO MORTGAGEE, LIENHOLDER,VENDOR OR SELLER: THE TIGARD DEVELOPMENT CODE REQUIRES THAT IF YOU RECEIVE THIS NOTICE, IT SHALL BE PROMPTLY FORWARDED TO THE PURCHASER. CITY OF TIGARD Community�1�c-vefvpment CITY OF TIGARD s��°Y�r�t7�detter�'ommunity PUBLICHEARINGNOTICE NOTICE IS HEREBY GIVEN THAT THE TIGARD HEARINGS OFFICER, AT A MEETING ON MONDAY JANUARY 12, 2004 AT 7:00 PM, IN THE TOWN HALL OF THE TIGARD CIVIC CENTER AT 13125 SW HALL BOULEVARD, TIGARD, OREGON 97223 WILL CONSIDER THE FOLLOWING APPLICATION: FILE NOS.: CONDITIONAL USE PERMIT (CUP) 2003-0001 I ADJUSTMENT (VAR) 2003-00100 FILE TITLE: TEMPLETON ELEMENTARY SCHOOL ADDITION APPLICANT/ Tigard-Tualatin School District No. 23J OWNER: Attn: Stephen Poage 6960 SW Sandburg Street Tigard, OR 97223 APPLICANT'S Ed Murphy & Associates REP.: Attn: Ed Murphy 9875 SW Murdock Street Tigard, OR 97224 REQUEST: The applicant is requesting Conditional Use approval to add an 8,300 square foot addition to the existing 51,030 square foot school, to modify the parking areas, and to add a fire access lane along the north property line. The applicant is also seeking an Adjustment to reduce the required number of bicycle stalls on site. LOCATIDN: 9500 SW Murdock Street; WCTM 2S111AC, Tax Lot 2901. ZONE: R-4.5: Low-Density Residential District. The R-4.5 zoning district is designed to accommodate detached single-family homes with or without accessory residential units at a minimum lot size of 7,500 square feet. Duplexes and attached single-family units are permitted conditionally. Some civic and institutional uses are also permitted conditionally. APPLICABLE REVIEW CRITERIA: Community Development Code Chapters 18.330, 18.360, 18.370, 18.390, 18.510, 18.705, 18.725, 18.745, 18.755, 18,765, 18.790, 18.795 and 18.810. THE PUBLIC HEARING ON THIS MATTER WILL BE CONDUCTED IN ACCORDANCE WITH THE RULES OF CHAPTER 18.390 OF THE COMMUNITY DEVELOPMENT CODE AND RULES OF PROCEDURES ADOPTED BY THE TIGARD CITY COUNCIL AND AVAILABLE AT CITY HALL. ASSISTIVE LISTENING DEVICES ARE AVAILABLE FOR PERSONS WITH IMPAIRED HEARING. THE CITY WILL ALSO ENDEAVOR TO ARRANGE FOR QUALIFIED SIGN LANGUAGE INTERPRETERS AND QUALIFIED BILINGUAL INTERPRETERS UPON REQUEST. PLEASE CALL (503) 639-4171, EXT. 2438 (VOICE) OR (503) 684-2772 (TDD - TELECOMMUNICATIONS DEVICES FOR THE DEAF) NO LESS THAN ONE WEEK PRIOR TO THE HEARING TO MAKE ARRANGEMENTS. ANYONE WISHING TO PRESENT WRITTEN TESTIMONY ON THIS PROPOSED ACTION MAY DO SO IN WRITING PRIOR TO OR AT THE PUBLIC HEARING. ORAL TESTIMONY MAY BE PRESENTED AT THE PUBLIC HEARING. AT THE PUBLIC HEARING, THE HEARINGS OFFICER WILL RECEIVE A STAFF REPORT PRESENTATION FROM THE CITY PLANNER, OPEN THE PUBLIC HEARING, AND INVITE BOTH ORAL AND WRITTEN TESTIMONY. THE HEARINGS OFFICER MAY CONTINUE THE PUBLIC HEARING TO ANOTHER MEETING TO OBTAIN ADDITIONAL INFORMATION OR CLOSE THE PUBLIC HEARING AND TAKE ACTION ON THE APPLICATION. IF A PERSON SUBMITS EVIDENCE IN SUPPORT TO THE APPLICATION LESS THAN SEVEN (7) DAYS PRIOR TO THE PUBLIC HEARING, ANY PARTY IS ENTITLED TO REQUEST A CONTINUANCE OF THE HEARING. IF THERE IS NO CONTINUANCE GRANTED AT THE HEARING, ANY PARTICIPANT IN THE HEARING MAY REQUEST THAT THE RECORD REMAIN OPEN FUR AT LEAST SEVEN (7) DAYS AFTER THE HEARING. A REQUEST THAT THE RECORD REMAIN OPEN CAN BE MADE ONLY AT THE FIRST EVIDENTIARY HEARING (ORS 197.763(6). INCLUDED IN THIS NOTICE IS A LIST OF APPROVAL CRITERIA APPLICABLE TO THE REQUEST FROM THE TIGARD COMMUNITY DEVELOPMENT CODE AND THE TIGARD COMPREHENSIVE PLAN. APPROVAL OR DISAPPROVAL OF THE REQUEST BY THE HEARINGS OFFICER WILL BE BASED UP�N THESE CRITERIA AND THESE CRITERIA ONLY. AT THE HEARING IT IS IMPORTANT THAT COMMENTS RELATING TO THE REQUEST PERTAIN SPECIFICALLY TO THE APPLICABLE CRITERIA LISTED. FAILURE TO RAISE AN ISSUE IN PERSON OR BY LETTER AT SOME POINT PRIOR TO THE CLOSE OF THE HEARING ON THE REQUEST ACCOMPANIED BY STATEMENTS OR EVIDENCE SUFFICIENT TO ALLOW THE HEARINGS AUTHORITY AN OPORTUNITY TO RESPOND TO THE ISSUE PRECLUDES AN APPEAL TO THE LAND USE BOARD OF APPEALS BASED ON THAT ISSUE. ALL DOCUMENTS AND APPLICABLE CRITERIA IN THE ABOVE-NOTED FILE ARE AVAILABLE FOR INSPECTION AT NO COST OR COPIES CAN BE OBTAINED FOR TWENTY-FIVE CENTS (25C) PER PAGE, OR THE CURRENT RATE CHARGED FOR COPIES AT THE TIME OF THE REQUEST. AT LEAST SEVEN (7) DAYS PRIOR TO THE HEARING, A COPY OF THE STAFF REPORT WILL BE AVAILABLE FOR INSPECTION AT NO COST, OR A COPY CAN BE OBTAINED FOR TWENTY-FIVE CENTS (25C) PER PAGE, OR THE CURRENT RATE CHARGED FOR COPIES AT THE TIME OF THE REQUEST. FOR FURTHER INFORMATION PLEASE CONTACT THE STAFF PLANNER BRAD KILBY AT (503) 639-4171, TIGARD CITY HALL, 13125 SW HALL BOULEVARD, TIGARD, OREGON 97223, OR BY E-MAIL TO bradley@ci.tigard.or.us. � _� __ _ _ --- -- -- ; �� o . '— . � ..o.....,....o....o.:..... , - � \-�—�� ' v�aM�r naP I ---� - Prh CUP2003-00011 MBROOKST m ��' VAR2003-00100_ � _I °' P,NEBR I� TEMPLETON T_ ELEMENTARY � � �, \ � SCHOOL ADDITION � ,-1 � K I .\�`�\,\,;� ,', �, � �� . - ,� - - - �-- �; �� \\ _>� �`i4�� -..: � \\\\ �� . \ _ �; ''+:`� P- � I C7 � \\, \\ �<;�� : . � �' �. ' �� A' REI ,r,.• �� /�-r � ��\�\\�\�\ -- C � _N� ,=��evcQi 'i - — � � � � y _ '�j6�L T l— - -- a, +w.�.. - �DA N � C n WE T -- - a �r.. ST R �.��.. SA _ � _ �_ � � 1_ j - — � rv O I — � CiryoCTigod _%� �� — __ -- � —�— GHAV�NSTIEN wa.�..w� .iva..+m.ra+.,�a ''� �� e...+.arw�o.-m�.+r+rw..�u� � � _ \' $� R I � -T�� ALQEf�B@Q� _ �*o.a.o+nm I 7 �:� - .��1�'I��L�/ %��!,�� e..,,, I �.�...�...>. COMMUNITY NEWSPAPERS P.O.BOX 370 PHONE(503)684-0360 Legal BEAVERTON,OREGON 97075 Notice TT 10 3 4 5 Legal � �itY of Tigara CITY OF TIGARD 13125 Sw xall Blvd, OREGON 'Tigard,Oregon 97223 ACCOUnts Pdydble The following will be considered by the Tigard Hearings Oft7cer on • Monday January 12,2004 at 7:00 PM at the Tigazd Civic Center- Town Hall, 13125 SW Hall Blvd.,Tigard,pregon. Both public orel and written testimony is invited. The public hearing on this matter will be conducted in accordance with the Tigazd Municipal Code and the rules of procedure adopted— AFF��AV�T OF PUB� by the Council and available at Ciry Hall or the rules of procedure set forth in Chapter 18.390. Testimony may be submitted in writing prior STATE OF OREGON, ) 55 to or at the public heazing or verbally at the public hearing only. COUNN OF WASHINGTON, ) Failure to raise xn issue in person or by letter at some point prior to the close of the hearing accompanied by statements or evidence I, Kathv �Ilyder su�cient to af�'ord the decision-maker an opportunity to respond to being first duly sworn, depose and say that I ;the issue precludes appeal to the Land Use Boazd ofAppeal based on Director,or his principal clerk, of th�qarr� that issue. Failure to specify the critenon from the Community a newspaper of general circulation as defineDevelopment•Code or Comprehensive Plan at which a comment is and 193.020;published at T1 drd directed precludes an appcal based on that criterion. aforesaid county and state; that the u 1 A copy of the application and all documents and evidence submitted CiTP 00'�—f1001 ,Tamnlatnr, Flo,r,oby or on 6ehalf of the applicant and the applicable criteria aze available for ins ection at no cost. A copy of the staff report will be a printed copy of which is hereto annexed, w+made available fpor inspection at no cost at least seven(7)days prior e�tire issue of said newspaper for ONE to the hearing, and copies for all items can also be provided at a consecutive in the following issues: reasonable cost. Further information may be obtained from the Planning Division De cembe r 2 5,2 0 0 3 (staff contact: Brad Kilby)at 13125 3W Hall Blvd.,Tigazd,Oregon 97223, by calling 503-639-4171, or by e-mail to bradley@ci.tiga rd.or.us. PUBLIC HEARING ITEM: CONDITIONAL USE PF.RMIT(CUP)2003- >TEMPLETON E ESMENTARY SCHOOLADDITION< Subscribed and sworn to b re me this2`�tt�QUEST: The applicant is requesting Conditional Use approval to /� add an 8,300 squaze foot addition to the existing 51,030 square foot school, to modify the pazking areas,and to add a fire access lane �G along the north property line. The applicant is also seeking an No AdjlistmenUto reduce the required number of bicycle stalls on site. LOCATION: 9500 SW Murdock Street;WCTM 2S111AC,Tax Lot My Commission Expires: 2901. ZONE: R-4.5:Low-Density Residential District. The R-4.5 AFFIDAVIT zoning district is designed to accommodate detached single-family rhpmes with or without accessory residential units at a minimum lot size of 7,500 square feet. Duplexes and attached single-family units are permitted conditionally. Some civic and institutional uses aze also permitted conditionally. APPLICABLE REVIEW CRITERIA: Community Development Code Chapters 18330, 18.360, 18370, 18.390, I8.510, 18.705, 18.725, 18.745, 18J55, 18,765, 18.790, 18.795 and 18.810. _. 1��__� ...............__ .�.�..�,. :) � - a �- __=====s . �� arzoo�-000n r,uuoo�-ooioo _ "`r- �.�.�saa �7 � � TEMPIETON � EIFNENTM} I �4��'�` � � . � ffN00l A�ORqN �- r �_ ; ��;�, - -�,.1 �f_ SITE r � � �,. � . r , x ?.,i. � .. f��Yi� _._ _ � __ - ��.. , ..� � � � � I �--- � JT —_'� — � _... • . . . .� � .,._ . - - �� ` r r ��_ . TT 10345—Publish_December 25,2003. REQUEST FOR COMMENTS CITYOfTIOARD Community�DeveCopment SFcapingA BetterCommunity DATE: Nouember 18,2003 T0: Matt Stine,Urban Forester/Public Works Annex RECEIVED Pl�►NNING FROM: Cit�of Ti9ard Plannin9 Division OEC 0 5 2003 STAFF CONTACT: Brad IGII�1,Associate Planner[x24341 Phone: [5031639-4111/Fax: [5031684129T CITY OF TIGARD CONDITIONAL USE PERMIT[CUPI 2003-00011/ADIUSTMENT(VARI 2003-00100 ➢ TEMPLETON ELEMENTARY SCNOOL ADDITION Q REQUEST: The applicant is requesting Conditional Use approval to add an 8,300 square foot addition to the existing 51,030 square foot school, fo modify the parkin areas, and to add a fire access lane along the north property line. The applicant is also seeking an AdJ'us�ment to reduce the required number of bicycle stalls on site. LOCATION: 9500 SW Murdock Street;WCTM 2S111AC, Tax Lot 2901. ZONE: R-4.5: Low-Density Residential District. The R-4.5 zoning district is designed to accommodate detached single- family homes with or without accessory residential units at a minimum lot size of 7,500 square feet. Duplexes and attached single-family units are permitted conditionally. Some civic and institutional uses are also ermitted conditionally. APPLICABLE REVIEW CRITERIA: Community Develo ment Code Chapters p8.330, 18.360, 18.370, 18.390, 18.510, 18.705, 18.725, 18.745, 18.755, 18,765, 18.�790, 18.795 and 18.810. Attached are the Site Plan, Vicinity Map and Applicant's Statement/Plans for your review. From information supplied by various,departments and agencies and from other information available to our staff, a report and recommendation will be prepared and a decision will be rendered on the proposal in the near future. If you wish to comment on this application, WE NEED YOUR COMMENTS BACK BY: DEGEMBER��2D03� You may use the space provided be ow or attac a separate etter to return your commen s. ou are unable to res ond b the above date, please phone the staff contact noted above with your commen s an con irm your comments in wri ing as soon as possible. If you have any questions, contact the Tigard Planning Division, 13125 SW Hall Boulevard, Tigard, OR 97223. PLEASE CHECK THE FOLLOWING ITEMS THAT APPLY: _ We have reviewed the proposal and have no objections to it. Please contact of our office. — Please refer to the enc ose e er. � Written comments provided below: (�I�t..x�rtv v�G.�+ � ►tA-v� N-�14�Ra I�DoD �rtttNl.s Rao uu� sr�6t�RN s�►r}T � �M v�Rr �.��rcERn�n A�aoU-r rttc F,�r r�+�-r rrs �taors co��Nr�E ��REss�v��y t�tRO w.tr S V+c.k Elt�+�!► ��o�tsr �TEIPoRr �s Hn� Name 8� Number of Person(s) Commenting: � �� REQUEST FOR COMMENTS �m�T,o.Ro Community�Development ShapingA�Better Community DATE: November 18,2003 T0: Brian Blalock,Commercial Plans Examiner FROM: CitY of Tigard Planning Division STAFF CONTACT: Brad Nilby,Associate Planner[x24341 Phone: [5031639-4111/Fax: [5031684T29] COHDITIONAL USE PERMIT[CUPI 2003-00011/ADIUSTMENT[VARI 2003-00100 ➢ TEMPLETON ELEMENTARY SCHOOL ADDITION Q REQUEST: The applicant is requesting Conditional Use approval to add an 8,300 square foot addition to the existing 51,030 square foot school, fo modify the parkin areas, and to add a fire access lane along the north property line. The applicant is also seeking an AdJ'us�ment to reduce the required number of bicycle stalls on site. LOCATION: 9500 SW Murdock Street; WCTM 2S111AC, Tax Lot 2901. ZONE: R-4.5: Low-Density Residential District. The R-4.5 zoning district is designed to accommodate detached single- family homes with or without accessory residential units at a minimum lot size of 7,500 square feet. Duplexes and attached single-family units are permitted conditionally. Some civic and institutional uses are also permitted conditionally. �4PPLICABLE REVIEW CRITERfA: Community Development Code Chapters 18.330, 18.360, 18.370, 18.390, 18.510, 18.705, 18.725, 18.745, 18.755, 18,765, 18.790, 18.795 a nd 18.810. Attached are the Site Plan, Vicinity Map and Applicant's Statement/Plans for your review. From information supplied by various departments and agencies and from other information available to our staff, a report and recommendation will be prepared and a decision will be rendered on the proposal in the near future. If you wish to comment on this application, WE NEED YOUR COMMENTS BACK BY: DEGEMBER,� "�'20Q3. You may use the space provided be ow or attac a separate etter to return your commen s. ou are unable to res ond b the above date, please phone the staff contact noted above with your commen s and con irm your comments in writing as soon as possible. If you have any questions, contact the Tigard Planning Division, 13125 SW Hall Boulevard, Tigard, OR 97223. PLEASE CHECK THE FOLLOWING ITEMS THAT APPLY: � We have reviewed the proposal and have no objections to it. Please contact of our office. Please refer to the enc ose e er. �_ Written comments provided below: / y�f/� C O N � L`�Z��' fZ C G-f�RD/N G- �1C 1 T/N� �'�ol? T N� Cx�.s'�iiv G- GY� / ��G � AOaR,�s'.s ��C � �'�'�.� �v��ti�� ,�(,/L�/�� 9ti R�1�lC�v Name & Number of Person(s) Commenting:��/�N ��(,4C� �/��Z�� REQUEST FOR COMMENTS CITYOFTIOARD Community�DeveCopment ShapingA BetterCommunity DATE: Mouember 18,2003 T0: Dennis Koellermeier,Operatlons Mana9er/Water Department FROM: Cit�ofTigardPlanningDivision REC�IVED PLANNING STAFF CONTACT: Brad Nilby,Associate Pianner[xZ4341 D E C U 1 2003 Phone: [5031639-4111/Fax: [5031684-1291 CONDITIONAL USE PERMIT[CUPI 2003-00011/ADJUSTMENT[VARI 2003-00100 ➢ TEMPLETON ELEMENTARY SCHOOL ADDITION Q REQUEST: The applicant is requesting Conditional Use approval to add an 8,300 square foot addition to the existing 51,030 square foot school, fo modify the parkin areas, and to add a fire access lane along the north property line. The applicant is also seeking an AdJ'us�ment to reduce the required number of bicycle stalls on site. LOCATION: 9500 SW Murdock Street; WCTM 2S111AC, Tax Lot 2901. ZONE: R-4.5: Low-Density Residential District. The R-4.5 zoning district is designed to accommodate detached single- family homes with or without accessory residential units at a minimum lot size of 7,500 square feet. Duplexes and attached single-family units are permitted conditionally. Some civic and institutional uses are also permitted conditionally. APPLICABLE REVIEW CRITERIA: Communi� Development Code Chapters 18.330, 18.360, 18.370, 18.390, 18.510, 18.705, 18.725, 18.745, 18.755, 1 ,765, 18.790, 18.795 and 18.810. /�ttached are the Site Plan, Vicinity Map and Applicant's Statement/Plans for your review. From information supplied by various.departments and agencies and from other information available to our staff, a report and recommendation will be prepared and a decision will be rendered on the proposal in the near future. If you wish to comment on this application, WE NEED"YOUR COMMENT�>�°,�ACK BY: DECEMBER�2�tI�� You may use the space provided be ow or attac a separa e e er o re urn your commen� ou are unable to res ond b the above date, please phone the staff contact noted above with your commen s an con irm your comments in writing as soon as possible. If you have any questions, contact the Tigard Planning Division, 13125 SW Hall Boulevard, Tigard, OR 97223. PLEASE CHECK THE FOLLOWING ITEMS THAT APPLY: _ We have reviewed the proposal and have no objections to it. Please contact of our office. Please refer to the enc ose e er. � Written comments provided below: f� ��n G" �'!.7 �� ,�f� `'�.d W�� twa� Fi�`c ti a�f�x,�,� �'w- .uw !j Y F►''r �wv� t} F.�o�.�.� ,�ru�i��/ .� ��.d!«. k.k.�r�, o►-d,,�.-�, �.a�, �u.�.�// �.«,Cf� �3� .o�k«�b �n' S�^�.��,�r�.,� rt�c.�r �a...Q� ��[i�.�r•�� ..i�6 �,? h.�v ��f �� y �� ni,� .� ,otib rh,� a� owJ�l�� Jc„a s) Name & Number of Person(s) Commenting: �� 'y-l/ � n Y C � ..� .Y��T �� - " ,�y�'� `�� k^°� _ .`r^?�'�Ci!'r�� . z � ' '1.._- ' o�: - � i � \\ � � � \�. �.x'� ; . -- <_� , , � -- � �° -�_, , � <p�� ' -� • �_ � b,� ,�d ; s n � . �.'� ��--a�4�r.-�1 :�. ��. ' - � �� aail�ilis�n I �-' "�. _ _ . • — . . '. 1-."_ r''{�. �a♦ �-�_.. . . . . _ '�� —'�`� � � � - � � � � � 4". �-�__ . __. _- _ ' _� _ . .... ... _ __' : i � - __ - _ -- - - — -= - .__ - -- , - - -----------� 1 • �>�� _ .- ��/�� . �^' I _- "A'.::�°- _ � : - - - ._-_ .- - -- - - > -- - � �--- --- -- 1 �i �� - --�--— i - � . /' Y b4Trul . � / � w . ^ ' _ �,,�� . / �� /� ..'. �� \ �' .`- �Tn. �..�5.�.. � � � r� �� ; . � � �. ! ._-� �.�...? '�"t a, �t' °'`' ��a... ' 1 � ! �`�` �.� - ` ` � . . _ i �a�f x�, , _ � i ` ~�� .%�,�, �C�,;�t�s,. � ' �,,, c y�' � .�` �//1� �// �' _" _ M!i) � !r'.. '� _� 4�.'�r'. �• 1 .�`-i 'I � / . �m+/s.i<� ',�'*�,J,_`1 � / .,7i�{ � �`r�`� . �� / �// . � ,'.. �A , ti'�. l ��' ��, t �_ ' -�` ' -Q- � � `��.��F � �Y ' ! ' �t � �`� '� �i1`.�f�.: � --------- � �f/% •�` ��- ��d ��4:7 ,. =�f-' ,, � � .{\ � N � ,-�.Q . > ;`r� � 7 i ;�' ::, —_ / • ywi�e.�uf�l YV�� i� . `��. +Y u d� 2.Wya�lSn.v -��,K � j f^t..,.�•�' � . .. � . 1_ _ ' ' �r�� / �. • . n , , . �.:'� rKetSMim � ' � � - •. ' . ._ . ...w«IH�itR.A �� :� - ___—__ _l�—�.�� a a�t�.vrisxm �� i a �"• - __ __ _ . ___ l' .. . T � �; I'. F - :^ ` � �„°wm� f ' i -- �-- - - -- - n„ �' �� Q!}�+� � � ! .,��."�.'� , i `` . ` ---- -- � -- -- ',/�'•'t?'��°" 5� I s�.-,.xw,� �y..�-f• 'j � 1 ',�,. ? �1 . r I i "� t wp•xt�.z.r �� `- , � ''�.�_1.1 I � ,5v 'y/ !—�9 `' ;�� `� . ��t,�t4 �u- ��. _, � _______ � - - k `' �, � . .�{ k�pq'v�' ; � K nw�rr;b � �� !-�- �'� � -- ��- ', 'fi :.�``��- �f '°'�� . � � � t� t � � I /`\ / � A��'� � r�� .�.�\� . . .`� '....�. \ l - ,,, �-�� b� � Y . �� v.� j' i r.; ,ja:' ,F%`�'�, .. , .`/ t \ ,�. ,a�^ /" �� t$h ' � �� -r aa � Y� � -:. :� '�'...�.�:.,�'. \ �. b^ 1� � , .. . � .A ..��. r, ,; �+ 'a.,, "`�� .�•y/ . . , y,,� i.�� A �/ ! ' / �� ' r.�"Y . r . � . - 1�,3i' ( . .. . � � l . ... � ' TEfl NOTFS �.y , �'`�'., . : �_j` wn ��j �r a� � " , ". ��.• O r0 r' p[�vwW�r� t��NO00c � � f . ��' %F O3 �6iN1 fo9 Eun��A�11 ' � r��,� �M�I•J 4 �61Ya�!4 Y1G V[ ,� �; •, . ,;--." p o.o..�� f:�'��j'. p ��R�,.A.,.� ..,.� -� +� ', • : '� p ..�,��.tt�.-� . � � ' :�' Q .0 r rac cw.�u� . :I�% Q+ ��.�a n+s rw w.wnw rn+RCro. �R a�:.%� � �n u°1i�`ru�w�ra�rui�••oru w.c.oa�.ur / 4 �Fl�'b p W—� � REQUEST FOR COMMENTS CRYOFTIOARD �'ommunity�DeveCopment ShapingA Better Community DATE: Nouember 18,2003 T0: lim Wolf.Ti9ard Police Department Crime Pre�entlon O�icer RECFIVED PLANNING FROM: Cit�l of Ti9ard Planning Division Ut�: v � ��:�3 STAFF CONTACT: Brad IGIb11,Associate Planner[x24341 C��y OF TIGARD Phone: [5031639�41T1/Fax: [5031684-1297 CONDITIOHAL USE PERMIT[CUPI 2003-00011/ADIUSTMENT[VARI 2003-00100 ➢ TEMPLETON ELEMENTARY SCNOOL ADDITIONQ REQUEST: The applicant is requesting Conditional Use approval to add an 8,300 square foot addition to the existing 51,030 square foot school, fo modify the parkin areas, and to add a fire access lane along the north property line. The applicant is also seeking an AdJ'us�ment to reduce the required number of bicycle stalls on site. LOCATION: 9500 SW Murdock Street; WCTM 2S111AC, Tax Lot 2901. ZONE: R-4.5: Low-Density Residential District. The R-4.5 zoning district is designed to accommodate detached single- family homes with or without accessory residential units at a minimum lot size of 7,500 square feet. Duplexes and attached single-family units are permitted conditionally. Some civic and institutional uses are also permitted conditionally. aPPLICABLE REVIEW CRITERIA: Community Development Code Chapters 18.330, 18.360, 18.370, 18.390, 18.510, 18.705, 18.725, 18.745, 18.755, 18,765, 18.790, 18.795 and 18.810. Attached are the Site Plan, Vicinity Map and Applicant's Statement/Plans for your review. From information supplied by various departments and agencies and from other information available to our staff, a report and recommendation will be prepared and a decision will be rendered on the proposal in the near future. If you wish to comment on this application, W . .ANEED YOUR COMMENTS 'BACK BY: DECEMBER� ` You may use the space provided beow or attac a separate etter to return your commen s. ou are unable to res ond b the above date, please phone the staff contact noted above with your commen s an con irm your comments in writing as soon as possible. If you have any questions, contact the Tigard Planning Division, 13125 SW Hall Boulevard, Tigard, OR 97223. PLEASE CHECK THE FOLLOWING ITEMS THAT APPLY: _ We have reviewed the proposal and have no objections to it. Please contact of our office. � Please refer to the enc ose e er. _ Written comments provided below: Re.q�e�'C a c,x>m��e��, 1 �t�n exte.��ar� pl�a�1 . 1.., �.�,�n G S �hy��u ean�' o+�n c,�ac�ntd A�. Name & Number of Person(s) Commenting: J .�la\F XZSb� � , REQUEST FOR COMMENTS CITYOFTI6ARD Community[�eveCopment Shaping A Better Community DATE: November 18,2003 T0: PER AITACNED FROM: Cit�of Ti9ard Plannin9 Diuision STAFF CONTACT: Brad IGlby,Associate Planner[x24341 Phone: [5031639-4111/Fax: [5031684-1297 CONDITIONAL USE PERMIT[CUPI 2003-00011/ADIUSTMENT[VARI 2003-00100 ➢ TEMPLETON ELEMENTARY SCHOOL ADDITION Q REQUEST: The applicant is requesting Conditional Use approval to add an 8,300 square foot addition to the existing 51,030 square foot school, fo modify the parkin areas, and to add a fire access lane along the north property line. The applicant is also seeking an AdJ'us�ment to reduce the required number of bicycle stalls on site. LOCATION: 9500 SW Murdock Street; WCTM 2S111AC, Tax Lot 2901. ZONE: R-4.5: Low-Density Residential District. The R-4.5 zoning district is designed to accommodate detached single- family homes with or without accessory residential units at a minimum lot size of 7,500 square feet. Duplexes and attached single-family units are permitted conditionally. Some civic and institutional uses are also permitted conditionally. APPLICABLE REVIEW CRITERIA: Community Development Code Chapters 18.330, 18.360, 18.370, 18.390, 18.510, 18.705, 18.725, 18.745, 18.755, 18,765, 18.790, 18.795 and 18.810. Attached are the Site Plan, Vicinity Map and Applicant's Statement/Plans for your review. From information supplied by various,departments and agencies and from other information available to our staff, a report and recommendation will be prepared and a decision will be rendered on the proposal in the near future. If you wish to comment on this application, �N��::N�E�� ;;��:,:GC)MME1!��'��A�K `��(� f�ECEMBER:�.2 :-��i�� You may use the space provided be ow or a ac a separate etter o re urn your commen s. ou are unable to res ond b the above date, please phone the staff contact noted above with your comments and con irm your comments in writing as soon as possible. If you have any questions, contact the Tigard Planning Division, 13125 SW Hall Boulevard, Tigard, OR 97223. PLEASE CHECK THE F4LLt�W1(��l7EM�:THA�'./�PPL ��, . ! _ We have reviewed the proposal and have no objections to it. Please contact of our office. — Please refer to the enc ose e er. = Written comments provided below: Name & Number of Person(s) Commenting: � , CITY .� TIGARD REQUEST FOR C0� FNTS NOTIFICATION LIST FOR LAND USE & COMMUNITY DEVELOPMENT APPLICATIONS FILE NOS.: �� FILE NAME: -� ' CITIZEN INVOLVEMENT TEAMS - 14-DAY PENDING APPLICATION NOTICE TO CIT AREA: ❑Central ❑East ❑5outh ❑West OProposal Descrip.in Library CIT Book CITI(OFFlCES _(.ONG RANGE PLANNING/8arbara Shields,Planning Mgr. COMMUNiTY DVLPMNT.DEPTJPIanning-Engineering Techs. . POLICE DEPTJJim Wolf,Crime Prevention Officer BUILDING DIVISION/Gary Lampella,Building Official ENGINEERING DEPTJKim McMillan,Ovlpmnl.Review Engineer _VyATER DEPTJDennis Kcellertneier,Public Works Mgr. �CITY ADMINISTRATION/Cathy Wheatley,City Recorder PUBLIC WORKSlJohn Roy,Property Manager _PUBLIC WORKS/Matt Stine,Urban Forester �PLANNER—POST PROJECT SITE If A PUBLIC HEARING ITEM-10 BUSINESS DAYS PRIOR TO THE PUBIIC HEARINGI SPECIALUISTRICTS TUAL.HILLS PARK&REC.DIST.+� � TUALATIN VALLEY FIRE&RESCUE+� _ TUALATIN VALLEY WATER DISTRICT� _ CLEANWATER SERVICES+� Planning Manager � Fire Marshall Administrative Office Lee WalkedSWM Program 15707 SW Waiker Road Washington County Fire District PO Box 745 155 N.First Avenue . Beaverton,OR 97006 (place i�pick-up box) Beaverton,OR 97075 Hillsboro,OR 97124 LOCAL AND STATE IURISDICTIONS CITY OF BEAVERTON� CITY OF TUALATIN � OR.DEPT.OF FISH 8 WILOLIFE OR.DIV.OF STATE LANDS _ Planning Manager Planning Manager 2501 SW First Avenue Jennifer Goodridge _ Irish Bunnell,o��.s�5 18880 SW Martinaui Avenue PO Box 59 775 Summer Street NE PO Box 4755 Tuala6n,OR 97062 Portland,OR 97207 Salem,OR 97301-1279 Beaverton,OR 97076 _ OR.PUB.UTIUTIES COMM. METRO-LAND USE 8 PLANNING+IF _OR.DEPT.OF GEO.&MINERAL IND. 550 Capitol Street NE _ CITY OF DURHAM � 600 NE Grand Avenue 800 NE Oregon Street,Suite 5 Salem,OR 97310-1380 City Manager Portland,OR 97232-2736 Portland,OR 97232 PO Box 23483 Bob Knight,oauReso�.oece�ce��zc�> US ARMY CORPS.OF ENG. Durham,OR 97281-3483 Paulette Allen,Giowt�ManapemMitCooNnalor OR.DEPT.OF LAND CONSERV.�DVLP Kathryn Harris _ Mel Huie,GreenspxesCoordinaWr(CPAlZOA) Larry French�c�v.a�a�„�a�o�r,> Routing CENWP-OP-G CITY OF KING CITY� _ Jennifer Budhabhatti,R�p��,�.twa��as> 635 Capitol 5treet NE,Suite 150 PO Box 2946 City Manager _ C.D.Manager,Growt�Manapement5ervices Salem,OR 97301-2540 Portland,OR 97208-2946 15300 SW 116th Avenue King City,OR 97224 WASHINGTON COUNTY � _ OR.DEPT.OF ENERGY�POwemes+n�real _OR.DEPT OF AVIATION�MOnoPotirowe�sl Dept.of Land Use&Transp. Bonnevilie Power Administration Tom Highland,Pi�,�a,u 155 N.First Avenue CITY OF LAKE OSWEGO � Routing TTRC—Attn: Renae Ferrera 3040 25th Street.SE Suite 350,MS 13 Planning Director PO Box 3621 Salem,OR 97310 Hillsboro.OR 97124 PO Box 369 Portiand,OR 97208-3621 Brent Curtis tcvn� Lake Oswego,OR 97034 _Gregg Leion�ca�> _ OR.DEPT.OF ENVIRON.QUALITY(DEQ) ODOT,REG�ON 1 � Anne LaMountain��cnn,Re� CITY OF PORTLAND crawy ro�w�u�,a:aoe Po��e��o�+��> _Marah Danielson,oe„�,�.a�c��a�w� Phil Healy��cuuRa� Planning Bureau Director Regional Administrator Cari Toland, Right-0f-Way Section N�� Steve Conway�c�n�.� 1900 SW 4`"Avenue,Suite 4100 2020 SW Fourth Avenue,Suite 40U 123 NW Flanders Sr.Cartographer,oP�,�,. Portland,OR 97201 Portland,OR 97201-4987 Portland,OR 97209-4037 Jim Nims�zcn�Ms,s _Doria Mateja�zcn�Ms ia WA.CO.CONSOLIDATED COMMUNIC.AGENCY(WCCCA)"911"(Monopol�Torr�ro� ODOT,REGION 1 -DISTRICT 2A� Dave Austin Jane Estes,a�soea�� PO Box 6375 5440 SW Westgate Drive,Suite 350 BeaveRon,OR 97007-0375 Portland,OR 97221-2414 UTILITY PROYIDERS ANO SPECIAL AGENCIES PORTLAND WESTERN R/R,BURLINGTON NORTHERN/SANTA FE R/R,OREGON ELECTRIC R/R(Bunington Northern/Santa Fe R/R Predecessor) RobeR I.Melbo,President&General Manager 110 W. 10th Avenue Albany,OR 97321 SOUTHERN PACIFIC TRANS.CO.R!R METRO AREA COMMUNICATIONS COMCAST CABLE CORP. _TRI-MET TRAN5IT DVLPMT. Clifford C.Cabe,Construction Engineer Debra Palmer�a�x�a�o�H� Randy Bice (Sw MpbeM�aCanYCt) (II Projecl is WRhin�4 Mile of a Transa Rou�e) 5424 SE McLoughlin Boulevard Twin Oaks Technology Center 14200 SW Brigadoon Court Ben Baldwin,Project Planner Pqrtland,OR 97232 1815 NW 169th Place,S-6020 Beaverton,OR 97005 710 NE Holladay Street Beaverton,OR 97006-4886 Portland,OR 97232 �PORTLAND GENERAL ELECTRIC NW NATURAL GA5 COMPANY VERIZON QWEST COMMUNICATIONS �Ken Gutierrez,Svc.Design Consultant Scott Palmer,Engineering Coord. Ken Perdue,Engineering Patty Stambaugh,Engineering 9480 SW Bceckman Road 220 NW Second Avenue PO Box 1100 8021 SW Capitol Hill Rd,Rm 110 Wilsonville,OR 97070 Portland.OR 97209-3991 Beaverton,OR 97075-1100 Portland,OR 97219 - TIGARD/TUALATIN SCHOOL DIST.#23J BEAVERTON SCHOOL DIST.#48 COMCAST CABLE CORP. COMCAST CABLE CORP. �Marsha Butler,AdministraGve Offices Jan Youngquist,Demographics Alex Silantiev c5..�.w�.N..��, Diana Carpenter,�a�.�d�, 6960 SW Sandburg Street 16550 SW Merlo Road 9605 5W Nimbus Avenue,Bidg. 12 3500 SW Bond Street Tigard,OR 97223-8039 Beaverton,OR 97006-5152 Beaverton,OR 97008 Portland,OR 97232 +IF INDICATES AUTOMATIC NOTIFICATION IN COMPLIANCE WITH INTERGOVERNMENTAL AGREEMENT IF WITHIN 5�0'OF THE SUBJECT PROPERTr FOR ANTIALL CITY PROJECTS(Project Planner Is Responsible For Indicating Parties To Hotify). n:+paityvnastersvtequest ForComments No�ecauon usi.d« (UPDATED: 17-Ju1-03) (Also update:'i:�curpin�selupUabels�annezatlon_utilities and franchises.doc'when updaling this document) gradley Kilby-Templeton Elementary Sch�^�Addition.doc Page 1 Tualatin Valley Fire & Rescue TUALATIN VALLEY FIRE & RESCUE • SOUTH DIVISION COMMUNITY SEKVICES • OPERA'fIONS • FIRE PREVENTION December 8,2003 Brad Kilby,Associate Planner Ciry of Tigard 13125 SW Hall Blvd � Tigard,OR 97223 Re: Templeton Elementary School Addition Dear Brad, � Thank you for the opportunity to review the proposed site plan surrounding the above named devclopment project. Tualatin Valley Fire&Rescue endorses this proposal predicated on the following criteria and conditions of approval: 1) Access roads shall be within l50 feet of all portions of the exterior wall of the first story of the building as measured by an approved route around the exterior of the building. An approved turnaround is rcquircd if the remaining distance to an approved intersecting roadway,as measured along the fire apparatus access road, is greater than 150 feet.(UFC Sec.902.2.1) The proposed new frre apparatus access lane locatia:is approved. !f die proposed gate wiU be locked,it sha[!be provided with a Knox brai�d pad[ock. Please contact the Fire Marsha!'s Office for an order for�n I 2) Dead end fire apparatus access roads in excess of 150 feet in length shall be provided with an approved turnaround. ' Diagrams of approved turnarounds are available from the fire district. (UFC Sec.902.2.2.4) The proposed fire apparatus turnaround serving the fire lane is approved as submitted. 3) Fire apparatus access roads shall have an unobstructed width of not less than 20 feet(15 feet for one or two dwelling units and out buildings),and an unobstructed vertical clearance of not less than 13 feet 6 inches. ! (UFC Sec.902.2.2.1) ' The dimensio�is of the proposed fire lane are approved witlr a widtk of I S feet. 4) Fire apparatus access roads shall be of an all-weather surface that is easily distinguishable from the surrounding area and is capable of supporting not less than 12,500 pounds point load(wheel load)and 50,000 pounds live load (gross vehicle weight).You may need to provide documentation from a registered engineer that the design will be capable of supporting such loading. Documentation from a registered engineer that the finished construction is in accordance with the approved plans or the requirements of the Fire Code may be requested.(Design criteria on back)(UFC Sec.902.2.2) 5) Thc inside turning radius and outside turning radius shall be not less than 25 feet and 45 feet respectively,measured from the same center point. (UFC Sec.902.2.2.3)—(See diagrams on back) 6) Where required,fire apparatus access roadway curbs shall be painted yellow xnd marked"NO PARKING FIRE LANE"at each 25 feet. Lettering shall have a stroke of not less than one inch wide by six inches high. Lettering shall be white on rcd or black on yellow background. (UFC Sec.901.4.5.2) The fire lane shal!be provided with No Parking—Fire Lane signs aloirg its eietire le�igtlr a�id in t/re turnaround. 7) The required fire flow fnr the building shall not exceed 3,000 gallons per minute(GPM)or the available GPM in the I I 7401 SW Washo Court,Suitc 101•Tuala[in,Oregon 9C/�u'boT¢I.(503)612-7000•Fax(503)612-7003•www.[vfr.com I � ___--_ _. _ I3rad,ley_Kilby-Templeton Elementary Sch�-� Addition.doc Page 2 water delivery system at 20 psi,whichever is less. A worksheet for calculating the required fire flow is available from the Fire Marshal's Office.(UFC Sec.903.3) The minimrem required frre jTow for this project is I500 GPM at 20 psi. Fire Jlow verification shall be provided prior to the issuance of constructiofr permits. 9) No portion of the exterior of a commercial building shall be located more than 250 fect from a fire hydrant when II measured in an approved manner around the outside of the building and along an approved fire apparatus I access roadway. Any hydrants that are left over from the minimum number of hydrant calculations may be full filled by hydrants that are up to 500 feet from any point of the building. The fire Prevention Ordinance has further requirements that need to be used for acceptance and placement of fire hydrants.(UFC Sec.903.4.2.1) The proposed distribution and number of fire hydrants is approved as subnritted. 10) The minimum number of fire hydrants for a building shall be based on the required fire flow prior to giving credit for fire protection systems divided by 1500. If the answer is equal to or greater than x.5 the next whole number of hydrants shall be used. There shall not be less than 2 hydrants per building. (UFC Sec.903.4.2.1) Considerations for placine fire hvdrants shall be as follows: • Existing hydrants in the area may be used to meet the required number of hydrants;however,hydrants that are over 500 feet away from the nearest point of the subject building shall not contribute to the required number of hydrants. • Hydrants that are separated from the subject building by railroad tracks shall not contribute to the required number of hydrants. • Hydrants that are separated from the subject building by divided highway,freeway,or heavily traveled collector ' streets shall not contribute to the required number of hydrants. i i • Hydrants that are accessible only by a bridge shall be acceptable to contribute to the required number of hydrants � only if approved by the Chief. • Private hydrants or public hydrants that are on adjacent private property shall not contribute to the required number ' of hydrants for the subject building. i Exceotion:The use of hydrants located on other private property may be considered if their locations and � access are encumbered in a legal document(such as deed restriction)by the owners of the involved parcels of property. The encumbrance may be lifted only after approvals by the Chief on behalf of the fire department and any other governmental agencies that may require approval. • When evaluating the placement of hydrants at apartment or industrial complexes the first hydrant(s)to be placed shall be at the primary access and any secondary access to the site. After these hydrants have been placed other hydrants shall be sited to meet the above requirements for spacing and minimum number of hydrants. (UFC Sec.903.4.2.1.1) 11) Fire hydrants shall be located not more than 15 feet from an approved fire apparatus access roadway. (UFC Sec. )03.4.2.4) 12) Fire hydrant locations shall be identified by the installation of reflective markers. The markers shall be blue. Thcy shall be located adjacent and to the side of the centerline of the access road way that the fire hydrant is located on. 1n case that there is no center line,then assume a centerline,and place the reflectors accordingly. (UFC Sec.901.4.3) 13) A fire hydrant shall be located within 70 feet of a fire department connection(FDC). Fire hydrants and FDC's shall be located on the same side of the fire apparatus access roadway.(UFC Sec.903.4.2.5)FDC locations shall be approved by the Chief. (1996 Oregon Structural Specialty Code,Sec.)04.1.1) 14) Approved fire apparatus access roadways and fire fighting water supplies shall be installed and operational prior to any other construction on the site or subdivision.(UFC Sec. 8704) 15) A Knox Box for building access is required for this building. Please contact the Fire Marshal's Office for an order form and instructions regarding installation and placement.(UFC Sec.902.4) 16) A building survey and plans,in accordance with TVF&R Ordinance 99-01,Appendix lll-F,shall be submitted. A Page 2 of 2 13radley Kilby-Templeton Elementary Sch�,�Addition.doc Page 3 copy of Appendix[II-F,the building survey form and the instructions are available on the Fire District web site at www.tvfr.com. (UFC Appendix [II-F) Please contact me at(503)G 12-7010 with any additional questions. Sincerely, Eric T. 1VIcMullen Eric T. McMullen Deputy Fire Marshal , I I �, i i I j Page 2 of 2 MEMORANDUM CITY OF TIGARD, OREGON DATE: 01/05/04 TO: Brad Kilby, Associate Planner FROM: Kim McMillan, Development Review Engineer��yv� RE: CUP2003-00011 Templeton Elementary Addition Access Management (Section 18.705.030.H) Section 18.705.030.H.1 states that an access report shall be submitted with all new development proposals which verifies design of driveways and streets are safe by meeting adequate stacking needs, sight distance and deceleration standards as set by ODOT, Washington County, the City and AASHTO. A new driveway, meeting current City standards, is proposed. Sight distance is not at issue because the access is at the end of a dead-end street with no cross traffic. Section 18.705.030.H.3 and 4 states that the minimum spacing of driveways and streets along a collector shall be 200 feet. The minimum spacing of driveways and streets along an arterial shall be 600 feet. The minimum spacing of local streets along a local street shall be 125 feet. Does not apply to current street configuration. Street And Utility Improvements Standards (Section 18.810� Chapter 18.810 provides construction standards for the implementation of public and private facilities and utilities such as streets, sewers, and drainage. The applicable standards are addressed below: Streets: Improvements: Section 18.810.030.A.1 states that streets within a development and streets adjacent shall be improved in accordance with the TDC standards. Section 18.810.030.A.2 states that any new street or additional street width planned as a portion of an existing street shall be dedicated and improved in accordance with the TDC. ENGINEERING COMMENTS CUP2003-00011 Templeton Elementary Addition PAGE 1 Minimum Rights-of-Way and Street Widths: Section 18.810.030.E requires a local street to have a 54 right-of-way width and 32-foot paved section. Other improvements required may include on-street parking, sidewalks and bikeways, underground utilities, street lighting, storm drainage, and street trees. This site lies adjacent to SW Murdock Street, which is classified as a local street on the City of Tigard Transportation Plan Map. At present, there is approximately 50 feet of ROW, according to the most recent tax assessor's map. The applicant's property lies perpendicular to the street right-of-way, therefore, no ROW dedication is required. SW Murdock is currently improved. In order to mitigate the impact from this development, the applicant should construct a new driveway apron, per City of Tigard design standards.. Future Street Plan and Extension of Streets: Section 18.810.030.F states that a future street plan shall be filed which shows the pattern of existing and proposed future streets from the boundaries of the proposed land division. This section also states that where it is necessary to give access or permit a satisfactory future division of adjoining land, streets shall be extended to the boundary lines of the tract to be developed and a barricade shall be constructed at the end of the street. These street stubs to adjoining properties are not considered to be cul-de-sacs since they are intended to continue as through streets at such time as the adjoining property is developed. A barricade shall be constructed at the end of the street by the property owners which shall not be removed until authorized by the City Engineer, the cost of which shall be included in the street construction cost. Temporary hammerhead turnouts or temporary cul-de-sac bulbs shall be constructed for stub streets in excess of 150 feet in length. The applicant has submitted an addendum to their application to address the block length standards. The existing development of the school site and surrounding neighborhood makes a street extension infeasible. The extent of the proposed improvements also does not warrant street improvements at this time. Street Alignment and Connections: Section 18.810.030.H.1 states that full street connections with spacing of no more than 530 feet between connections is required except where prevented by barriers such as topography, railroads, freeways, pre-existing developments, lease provisions, easements, covenants or other restrictions existing prior to May 1, 1995 which preclude street connections. A full street connection may also be exempted due to a regulated water feature if regulations would not permit construction. ENGINEERING COMMENTS CUP2003-00011 Templeton Elementary Addition PAGE 2 Section 18.810.030.H.2 states that all local, neighborhood routes and collector streets which abut a development site shall be extended within the site to provide through circulation when not precluded by environmental or topographical constraints, existing development patterns or strict adherence to other standards in this code. A street connection or extension is precluded when it is not possible to redesign, or reconfigure the street pattern to provide required extensions. Land is considered topographically constrained if the slope is greater than 15% for a distance of 250 feet or more. In the case of environmental or topographical constraints, the mere presence of a constraint is not sufficient to show that a street connection is not possible. The applicant must show why the constraint precludes some reasonable street connection. The applicant's addendum addresses this issue. The existing school site development and surrounding neighborhood development precludes providing through circulation. Cul-de-sacs: 18.810.030.L states that a cul-de-sac shall be no more than 200 feet long, shall not provide access to greater than 20 dwelling units, and shall only be used when environmental or topographical constraints, existing development pattern, or strict adherence to other standards in this code preclude street extension and through circulation: • All cul-de-sacs shall terminate with a turnaround. Use of turnaround configurations other than circular, shall be approved by the City Engineer; and • The length of the cul-de-sac shall be measured from the centerline intersection point of the two streets to the radius point of the bulb, and • If a cul-de-sac is more than 300 feet long, a lighted direct pathway to an adjacent street may be required to be provided and dedicated to the City. The scope of this project does not warrant the construction of a cul-de-sac at this time. Block Designs - Section 18.810.040.A states that the length, width and shape of blocks shall be designed with due regard to providing adequate building sites for the use contemplated, consideration of needs for convenient access, circulation, control and safety of street tra�c and recognition of limitations and opportunities of topography. Block Sizes: Section 18.810.040.B.1 states that the perimeter of blocks formed by streets shall not exceed 1,800 feet measured along the right-of- way line except: • Where street location is precluded by natural topography, wetlands or other bodies of water or, pre-existing development or; ENGINEERING COMMENTS CUP2003-00011 Templeton Elementary Addition PAGE 3 • For blocks adjacent to arterial streets, limited access highways, major collectors or railroads. • For non-residential blocks in which inte�nal public circulation provides equivalent access. PLANNING Section 18.810.040.B.2 also states that bicycle and pedestrian connections on public easements or right-of-ways shall be provided when full street connection is not possible. Spacing between connections shall be no more than 330 feet, except where precluded by environmental or topographical constraints, existing development patterns, or strict adherence to other standards in the code. PLANNING Lots -Size and Shape: Section 18.810.060(A) prohibits lot depth from being more than 2.5 times the average lot width, unless the parcel is less than 1.5 times the minimum lot size of the applicable zoning district. PLANNING Lot Frontage: Section 18.810.060(B) requires that lots have at least 25 feet of frontage on public or private streets, other than an alley. In the case of a land partition, 18.420.050.A.4.c applies, which requires a parcel to either have a minimum 15-foot frontage or a minimum 15-foot wide recorded access easement. In cases where the lot is for an attached single-family dwelling unit, the frontage shall be at least 15 feet. PLANNING Sidewalks: Section 18.810.070.A requires that sidewalks be constructed to meet City design standards and be located on both sides of arterial, collector and local residential streets. Private streets and industrial streets shall have sidewalks on at least one side. There are existing sidewalks on the school site. Sanitary Sewers: Sewers Required: Section 18.810.090.A requires that sanitary sewer be installed to serve each new development and to connect developments to existing mains in accordance with the provisions set forth in Design and Construction Standards for Sanitary and Surface Water Management (as adopted by Clean Water Services in 1996 and including any future revisions or amendments) and the adopted policies of the comprehensive plan. ENGINEERING COMMENTS CUP2003-00011 Templeton Elementary Addition PAGE 4 Over-sizing: Section 18.810.090.0 states that proposed sewer systems shall include consideration of additional development within the area as projected by the Comprehensive Plan. The applicant has stated that no additional sewer capacity is required to serve the proposed improvements. Storm Drainage: General Provisions: Section 18.810.100.A requires developers to make adequate provisions for storm water and flood water runoff. Accommodation of Upstream Drainage: Section 18.810.100.0 states that a culvert or other drainage facility shall be large enough to accommodate potential runoff from its entire upstream drainage area, whether inside or outside the development. The City Engineer shall approve the necessary size of the facility, based on the provisions of Design and Construction Standards for Sanitary and Surface Water Management (as adopted by Clean Water Services in 2000 and including any future revisions or amendments). The site slopes downward to the southeast. There are no upstream drainage areas impacting this site, as most of the area upstream is developed and runoff from impervious areas is collected on those sites. Effect on Downstream Drainage: Section 18.810.100.D states that where it is anticipated by the City Engineer that the additional runofF resulting from the development will overload an existing drainage facility, the Director and Engineer shall withhold approval of the development until provisions have been made for improvement of the potential condition or until provisions have been made for storage of additional runoff caused by the development in accordance with the Design and Construction Standards for Sanitary and Surtace Water Management (as adopted by Clean Water Services in 2000 and including any future revisions or amendments). In 1997, Clean Water Services (CWS) completed a basin study of Fanno Creek and adopted the Fanno Creek Watershed Management Plan. Section V of that plan includes a recommendation that local governments institute a stormwater detention/effective impervious area reduction program resulting in no net increase in storm peak flows up to the 25-year event. The City will require that all new developments resulting in an increase of impervious surfaces provide onsite detention facilities, unless the development is located adjacent to Fanno Creek. For those developments adjacent to Fanno Creek, the storm water runoff will be permitted to discharge without detention. ENGINEERING COMMENTS CUP2003-00011 Templeton Elementary Addition PAGE 5 The applicant's engineer has indicated that an underground ADS pipe storage system will be installed to provide detention. ADDITIONAL CITY AND/OR AGENCY CONCERNS WITH STREET AND UTILITY IMPROVEMENT STANDARDS: Traffic Study Findings: Fire and Life Safety: Public Water System: The applicant has indicated that there will be no impact to the water system as a result of this development. Storm Water Quality: The City has agreed to enforce Surface Water Management (SWM) regulations established by Clean Water Services (CWS) Design and Construction Standards (adopted by Resolution and Order No. 00-7) which require the construction of on-site water quality facilities. The facilities shall be designed to remove 65 percent of the phosphorus contained in 100 percent of the storm water runoff generated from newly created impervious surfaces. In addition, a maintenance plan shall be submitted indicating the frequency and method to be used in keeping the facility maintained through the year. Prior to issuance of building permit, the applicant shall submit plans and calculations for a water quality facility that will meet the intent of the CWS Design Standards. In addition, the applicant shall submit a maintenance plan for the facility that must be reviewed and approved by the City prior to construction. To ensure compliance with Clean Water Services design and construction standards, the applicant shall employ the design engineer responsible for the design and specifications of the private water quality facility to perform construction and visual observation of the water quality facility for compliance with the design and specifications. These inspections shall be made at significant stages throughout the project and at completion of the construction. Prior to final building inspection, the design engineer shall provide the City of ENGINEERING COMMENTS CUP2003-00011 Templeton Elementary Addition PAGE 6 Tigard (Inspection Supervisor) with written confirmation that the water quality facility is in compliance with the design and specifications. The proposed unit from Stormwater Management is acceptable, provided the property owner agrees to hire the manufacturer (or approved equal) to provide the required maintenance of the unit. Prior to a final building inspection, the applicant shall demonstrate that they have entered into a maintenance agreement with Stormwater Management, or another company that demonstrates they can meet the maintenance requirements of the manufacturer. Site Permit Required: The applicant is required to obtain a Site Permit from the Building Division to cover all on-site private utility installations (water, sewer, storm, etc.) and driveway construction. This permit shall be obtained prior to approval of the final plat. Recommendations: THE FOLLOWING CONDITIONS SHALL BE SATISFIED PRIOR TO ISSUANCE OF THE SITE PERMIT: Submit to the Engineering Department (Kim McMillan, 639-4171, ext. 2642) for review and approval: . Prior to issuance of a site permit, a Public Facility Improvement (PFI) permit is required for this project to cover the driveway apron and any other work in the public right-of-way. Six (6) sets of detailed public improvement plans shall be submitted for review to the Engineering Department. NOTE: these plans are in addition to any drawings required by the Building Division and should only include sheets relevant to public improvements. Public Facility Improvement (PFI) permit plans shall conform to City of Tigard Public Improvement Design Standards, which are available at City Hall and the City's web page (www.ci.tigard.or.us). . The PFI permit plan submittal shall include the exact legal name, address and telephone number of the individual or corporate entity who will be designated as the "Permittee", and who will provide the financial assurance for the public improvements. For example, specify if the entity is a corporation, limited partnership, LLC, etc. Also specify the state within which the entity is incorporated and provide the name of the corporate contact ENGINEERING COMMENTS CUP2003-00011 Templeton Elementary Addition PAGE 7 person. Failure to provide accurate information to the Engineering Department will delay processing of project documents. . The applicant shall provide an on-site water quality facility as required by Clean Water Services Design and Construction Standards (adopted by Resolution and Order No. 00-7). Final plans and calculations shall be submitted to the Engineering Department (Kim McMillan) for review and approval prior to issuance of the site permit. In addition, a proposed maintenance plan shall be submitted along with the plans and calculations for review and approval. THE FOLLOWING CONDITIONS SHALL BE SATISFIED PRIOR TO A FINAL BUILDING INSPECTION: Submit to the Engineering Department(Kim McMillan, 639-4171, ext. 2642) for review and approval: . Prior to a final building inspection, the applicant shall complete the required public improvements, obtain conditional acceptance from the City, and provide a one-year maintenance assurance for said improvements. . Prior to final building inspection, the applicant shall provide the City with as- built drawings of the public improvements as follows: 1) 3 mil mylar, 2) a diskette of the as-buitts in "DWG"format, if available; otherwise "DXF"will be acceptable, and 3) the as-built drawings shall be tied to the City's GPS network. The applicant's engineer shall provide the City with an electronic file with points for each structure (manholes, catch basins, water valves, hydrants and other water system features) in the development, and their respective X and Y State Plane Coordinates, referenced to NAD 83 (91). . To ensure compliance with Clean Water Services design and construction standards, the applicant shall employ the design engineer responsible for the design and specifications of the private water quality facility to perForm construction and visual observation of the water quality facility for compliance with the design and specifications. These inspections shall be made at significant stages, and at completion of the construction. Prior to final building inspection, the design engineer shall provide the City of Tigard (Inspection Supervisor) with written confirmation that the water quality facility is in compliance with the design and specifications. Staff Contact: Hap Watkins, Building Division. . Prior to a final building inspection, the applicant shall demonstrate that they have entered into a maintenance agreement with Stormwater Management, or another company that demonstrates they can meet the maintenance ENGINEERING COMMENTS CUP2003-00011 Templeton Elementary Addition PAGE 8 requirements of the manufacturer, for the proposed onsite storm water treatment facility. ENGINEERING COMMENTS CUP2003-00011 Templeton Elementary Addition PAGE 9 . ,,. AFFIDAVIT OF POSTING NOTICE OF A LAND USE PROPOSAL IMPORTANT NOTICE: THIS AFFIDAVIT MUST BE ACCOMPANIED BY A COPY OF THE NOTICE THAT WAS POSTED ON THE SITE. In the Matter of the Proposed Land Use Applications for: Land Use File Nos.: CUP2003-00011NAR2003-00100 Land Use File Name: TEMPLETON ELEMENTARY SCHOOL ADDITION I, Brad Kilby, Associate Planner for the City of Tiqard, do affirm that I posted notice of the land use proposal affecting the land located at (state the approximate location(s) IF no address(s) and/or tax lot(s) currentlyregistered) �� t�ft��:,r��-k_ ��++�c;r T�, �'C`�i , and did personally post notice of the Public Hearing on the proposed land use application(s) by means of weatherproof posting in the general vicinity of the affected territory, a copy of said notice being hereto attached and by reference made a part hereof, on the ��day of �11n��-�. l< ; , 2003. :;r:r�'_'_r..� r� �� "-. Signature of Per on Who PerForme Posting (In the presence of the Notary) (THIS SECTION FOR A STATE OF OREGON, NOTARY PUBLIC TO COMPLETE/NOTARIZE) STATE OF OREGON ) County of Washington ) ss. Subscribed and sworn/affirmed before me on the � / day of /VOf�� b�f , 20 03 , -�' OFFICIALSEAL KRISTIE J PEERMAN � ' � '`' NOTARY PUBLIC-0REGON : COMMISSION N0.370962 MY COMMISSION EXPIRES JULY 28,2007 NOTARY PUBLIC OREGON My Commission Expires: 7��/� ,7 h:llogin\patty\masterslaffidavit of posting for applicant to post public hearing.doc NOTICE � F PUBLIC HEARING . The following will be considered by the Ti ard Hearin s Officer on Monda Janua 12 2004 at 7:00 PM at the Tigard Civic Center - Town Hall, 1312 a v ., igar , regon. o pu ic ora an wri en es imony is. invited. The public hearing on this matter will be conducted in accordance with the Tigard Municipal Code and the rules of �rocedure adopted by the Council and available at City Hall or the rules of procedure set forth in Chapter 18.390. estimony may be submitted in writing prior to or at the public hearing or verbally at the public hearing only. Failure to raise an issue in person or by letter at some point prior to.the close of the hearing accompanied by statements or evidence sufficient to afford the decision-maker an opportunity to respond to the issue precludes appeal to the Land Use Board of Appeal based on that issue. Failure to specify the criterion from the Community.Development Code or Comprehensive Plan at which a comment is directed precludes an appeal based on that criterion. A copy of the application .and all documents and evidence submitted by or on behalf of the applicant. and the applicable criteria are available for inspection at no cost. A copy of the staff report will be made available for inspection at no cost at least seven (7) days prior to the hearing, and copies for all items can also be provided at a reasonable cost. Further information may be obtained from the Planning Division staff contact: Brad Kilb at 13125 SW Hall Blvd., Tigard, Oregon 97223, by calling 503-639-4171 , or by email o ra ey ci. igar .or.us. CONDITIONAL USE PERMIT (CUP) 2003-0001 I/ADJUSTMENT (VAR) 2003-00100 REQUEST: The applicant is requesting Conditional Use approval to add an 8,300 square foot addition to the existing 51 ,030 square foot school, to modify the parking areas, and to add a fire access lane along the north property line. The applicant is also seeking an Adjustment to reduce the required number of bicycle stalls on site. LOCATION: 9500 SW Murdock Street; WCTM 2S111AC, Tax Lot 2901 . ZONE: R-4.5: Low-Density Residential District. The R-4.5 zoning district is designed to accommodate detached single-family homes with or without accessory residential units at a minimum lot size of 7,500 square feet. Duplexes and attached single-family units are permitted conditionally. Some civic and institutional uses are also permitted conditionally. APPLICABLE REVIEW CRITERIA: Community Development Code Chapters 18.330, 18.360, 18.370, 18.390, 18.510, 18.705, 18.725, 18.745, 18.755, 18,765, 18.790, 18.795 and 18.810. QFFIDAVIT OF MAILING CITYOFTIGARD Comrr�ui:ity�DeceC�pment ,SfwpingA Better�ommu�iity I, 2�atricra L. Gu�d, being first duly sworn/affirm, on oath depose and say that I am a SeniorA�lministrative SpeciaCut for the City of 7'rgar �Was(cington County, Oregon and that I served the following: {Check Appropnate Box�s)Beiow} � NOTICE OF PUBLIC HEARINC FOR: �i fUP2003-0001 I/VAR�003-00100 — TEMPLETON EIEMENTARY SCHOOL ADDITION (File No/Name Reference) HEARING BODY: HEARING DATE: City of Tigard Planning Director Tigard Hearings Officer (1/12/2004) Tigard Planning Commission Tigard City Council A copy of the said notice being hereto attached, marked Exhlbit"A",and by reference made a part hereof, was mailed to each named person(s) at the address(s) shown on the attached list(s), marked E1(hlblt"B", and by reference made a part hereof, on December 19,2003, and deposited in the United States Mail on December 19,2003, postage prepaid. _ , O��L..� (Person at P re otic S7,A2E O�F'O�C'j0?Ir C�`ity of�I'�gartf T�� Subscribed and sworn/affi ed before me on the �� day of , 200�. �• OFFICIAL SEAL `'�' J BENGTSON ' NOTARY PUBUGOREGON COMMISSION NO.368086 MY COMMISSION EXPIRES APR.27,2007 My Commission Expires: � � � EXHIBIT � NOTICE TO MORTGAGEE, LIENHOLDER,VENDOR OR SELLER: THE TIGARD DEVELOPMENT CODE REQUIRES THAT IF YOU RECEIVE THIS NOTICE, IT SHALL BE PROMPTLY FORWARDED TO THE PURCHASER. CITY Of TIGARD Comnu�nNy�Ue�rlo�ntettt CITY OF TIGARD s�°p=„°�`ae"e��°„"„u"'`y PUBLIC HEARING NOTICE NOTICE IS HEREBY GIVEN THAT THE TIGARD HEARINGS OFFICER, AT A MEETING ON MONDAY JANUARY 12, 2004 AT 7:00 PM, IN THE TOWN HALL OF THE TIGARD CIVIC CENTER AT 13125 SW HALL BOULEVARD, TIGARD, OREGON 97223 WILL CONSIDER THE FOLLOWING APPLICATION: Fi�E Nos.: CONDITIONAL USE PERMIT (CUP) 2003-0001 I ADJUSTMENT (VAR) 2003-00100 FILE TITLE: TEMPLETON ELEMENTARY SCHOOL ADDITION APPLICANT/ Tigard-Tualatin School District No. 23J OWNER: Atfn: Stephen Poage 6960 SW Sandburg Street Tigard, OR 97223 APPLICANT'S Ed Murphy & Associates REP.: Attn: Ed Murphy 9875 SW Murdock Street Tigard, OR 97224 REQUEST: The applicant is requesting Conditional Use approval to add an 8,300 square foot addition to the existing 51,030 square foot school, to modify the parking areas, and to add a fire access lane along the north property line. The applicant is also seeking an Adjustment to reduce the required number of bicycle stalls on site. LOCATION: 9500 SW Murdock Street; WCTM 2S111AC, Tax Lot 2901. ZONE: R-4.5: Low-Density Residential District. The R-4.5 zoning district is designed to accommodate detached single-family homes with or without accessory residential units at a minimum lot size of 7,500 square feet. Duplexes and attached single-family units are permitted conditionally. Some civic and institutional uses are also permitted conditionally. APPLICABLE REVIEW CRITERIA: Community Development Code Chapters 18.330, 18.360, 18.370, 18.390, 18.510, 18.705, 18.725, 18.745, 18.755, 18,765, 18.790, 18.795 and 18.810. THE PUBLIC HEARING ON THIS MATTER WILL BE CONDUCTED IN ACCORDANCE WITH THE RULES OF CHAPTER 18.390 OF THE COMMUNITY DEVELOPMENT CODE AND RULES OF PROCEDURES ADOPTED BY THE TIGARD CITY COUNCIL AND AVAILABLE AT CITY HALL. ASSISTIVE LISTENING DEVICES ARE AVAILABLE FOR PERSONS WITH IMPAIRED HEARING. THE CITY WILL ALSO ENDEAVOR TO ARRANGE FOR QUALIFIED SIGN LANGUAGE INTERPRETERS AND QUALIFIED BILINGUAL INTERPRETERS UPON REQUEST. PLEASE CALL (503) 639-4171, EXT. 2438 (VOICE) OR (503) 684-2772 (TDD - TELECOMMUNICATIONS DEVICES FOR THE DEAF) NO LESS THAN ONE WEEK PRIOR TO THE HEARING TO MAKE ARRANGEMENTS. ANYONE WISHING TO PRESENT WRITTEN TESTIMONY ON THIS PROPOSED ACTION MAY DO SO IN WRITING PRIOR TO OR AT THE PUBLIC HEARING. ORAL TESTIMONY MAY BE PRESENTED AT THE PUBLIC HEARING. AT THE PUBLIC HEARING, THE HEARINGS OFFICER WILL RECEIVE A STAFF REPORT PRESENTATION FROM THE CITY PLANNER, OPEN THE PUBLIC HEARING, AND INVITE BOTH ORAL AND WRITTEN TESTIMONY. THE HEARINGS OFFICER MAY CONTINUE THE PUBLIC HEARING TO ANOTHER MEETING TO OBTAIN ADDITIONAL INFORMATION OR CLOSE THE PUBLIC HEARING AND TAKE ACTION ON THE APPLICATION. IF A PERSON SUBMITS EVIDENCE IN SUPPORT TO THE APPLICATION LESS THAN SEVEN (7) DAYS PRIOR TO THE PUBLIC HEARING, ANY PARTY IS ENTITLED TO REQUEST A CONTINUANCE OF THE HEARING. IF THERE IS NO CONTINUANCE GRANTED AT THE HEARING, ANY PARTICIPANT IN THE HEARING MAY REQUEST THAT THE REC�RD REMAIN OPEN FOR AT LEAST SEVEN (7) DAYS AFTER THE HEARING. A REQUEST THAT THE RECORD REMAIN OPEN CAN BE MADE ONLY AT THE FIRST EVIDENTIARY HEARING (ORS 197.763(6). INCLUDED IN THIS NOTICE IS A LIST OF APPROVAL CRITERIA APPLICABLE TO THE REQUEST FROM THE TIGARD COMMUNITY DEVELOPMENT CODE AND THE TIGARD COMPREHENSIVE PLAN. APPROVAL OR DISAPPROVAL OF THE REQUEST BY THE HEARINGS OFFICER WILL BE BASED UPON THESE CRITERIA AND THESE CRITERIA ONLY. AT THE HEARING IT IS IMPORTANT THAT COMMENTS RELATING TO THE REQUEST PERTAIN SPECIFICALLY TO THE APPLICABLE CRITERIA LISTED. FAILURE TO RAISE AN ISSUE IN PERSON OR BY LETTER AT SOME POINT PRIOR TO THE CLOSE OF THE HEARING ON THE REQUEST ACCOMPANIED BY STATEMENTS OR EVIDENCE SUFFICIENT TO ALLOW THE HEARINGS AUTHORITY AN OPORTUNITY TO RESPOND TO THE ISSUE PRECLUDES AN APPEAL TO THE LAND USE BOARD OF APPEALS BASED ON THAT ISSUE. ALL DOCUMENTS AND APPLICABLE CRITERIA IN THE ABOVE-NOTED FILE ARE AVAILABLE FOR INSPECTION AT NO COST OR COPIES CAN BE OBTAINED FOR TWENTY-FIVE CENTS (25G) PER PAGE, OR THE CURRENT RATE CHARGED FOR COPIES AT THE TIME OF THE REQUEST. AT LEAST SEVEN (7) DAYS PRIOR TO THE HEARING, A COPY OF THE STAFF REPORT WILL BE AVAILABLE FOR INSPECTION AT NO COST, OR A COPY CAN BE OBTAINED FOR TWENTY-FIVE CENTS (25C) PER PAGE, OR THE CURRENT RATE CHARGED FOR COPIES AT THE TIME OF THE REQUEST. FOR FURTHER INFORMATION PLEASE CONTACT THE STAFF PLANNER BRAD KILBY AT (503) 639-4171, TIGARD CITY HALL, 13125 SW HALL BOULEVARD, TIGARD, OREGON 97223, OR BY E-MAIL TO bradley@ci.tigard.or.us. - --�_=_- �-._-- - �_ �o i—, \ , _L_I_I i_ D ' -- � - � _ �I—I 111CINITY MM 1 I - � � � � � � � P� CUP2003-0001 I °°"sr - 'i " ` YAR2003-00100 I��— > �___�� m� ' ________ ��_ --, � �--�° � PINEBRC TEMPLETON r_ _ _; �____._ �"�� ELEMENTARY T� ��___ � � � ;�A`��\\�� ' � �� SCHOOL ADDITION I � � �CKST \��\�\��\�\\\\��\�\�\ ..��( ' --1--� i —� � -�- ��A � �� / r_' �--� � � � �� -- �� ) i� _ _ ; S �w � ._�I �A� SIT� `� H��O� � t � G1 � �ri � �' C1 T �� e,� �c-. > r—- I� ��: � A �� %`�� `� --��-- _� � r �� .-.. �A�� w . REI rs� ' ot"�� _� � � `A��.�. ��.,��,�� --�lE$!E -'>� - �I�,�� _ i� — ��\.�.�„�� V � � a� ..,. _ �.,_i� � . ,W � �� t�n � � �� ' AR�L T -- �� i�o, �.I n...�+w r _�-- � - �� _' �� . ------ - — -�r—�--� '� D�N I L I ' • I I� C N _ � <�_�J�L_� �----L��-- wE .r��r�r —s�IIf�sr ��1_! �.,,�� I ��T R�- SATI ---�-�; !-,-�� - - -- -� I�T�� ,, , , ,_� � -+ � � ,��_: �.� �-_-'-1 I ` -. - �- Ciry fTiwrd ----� ��-� I-�_t.-�--�.1- -��+- �- � �� . �, _ � �i�L�_T- bw..� .,, -, �-- �- o.....,....de_� \-�� pE� �aavwwa �b -- ��,� 1_i_ , s �� f m�l�TiP) /_--r�"`1---� � �°�a,.�, I i_I ��_�_��i ,--� �. �..� ALEXANDER RONALD E&MARY T BELKNAP'HAMILTON R EXHIBIT � 9715 SW MURDOCK ST BARBARA J TIGARD,OR 97223 14635 SW 92ND AVE TIGARD,OR 97223 2S111DB-14000 2S111AC-00200 ALZGAL JAMAL M 8 BETTS TERRY LEE NISREEN M 14660 SW 91ST AVE 15065 SW DAWN CT TIGARD,OR 97223 TIGARD,OR 97224 2S 111 AC-00900 2S 111 BD-02900 AMOS PAUL D&EVELYN F BLANKENSHIP LARRY W AND 14655 5W 91ST AVE MARIE E TIGARD,OR 97224 9725 SW MURDOCK TIGARD,OR 97223 2S111D8-14300 2S111D8-13700 ARNETT JOAN L 8 MICHAEL G TRS BLOOM KRISTAL F 16995 SW ARBUTUS DR 15015 SW DAWN CT BEAVERTON,OR 97007 TIGARD,OR 97224 2S 111 D B-04200 2S 111 AC-07 700 ASTRUP BERT R&JOYCE F BOLEYN NORMAN F AND CANDACE A 9105 SW SUMMERFIELD COURT 14575 SW 92ND AVE TIGARD,OR 97224 TIGARD,OR 97224 2S111DB-13000 2S111AC-04500 AVERSANO CHERYL BORJA DION1510 C& 15134 SW 96TH AVE FLORES DELIA M TIGARD,OR 97224 14885 SW HEIDI CT TIGARD,OR 97224 2S111AC-04400 2S111AC-04000 BARKER WILMA G& BRUCE GEORGE W 8 VIRGINIA D BARKER JOAN D 17600 NE 230TH ST 14895 SW HEIDI CT BATTLE GROUND,WA 98604 TIGARD,OR 97224 2S 111 AC-05400 2S 111 AC-05000 BARTLETT JAMES E&LISA A BULLOCK DEAN&DEBRA 14880 SW 92ND 14770 SW 92ND AVE TIGARD,OR 97224 TIGARD,OR 97224 2S111D6-13400 2S111AD-13500 BEACON HOMES NW INC CAMERON DUNCAN D&DEBORAH K PO BOX 407 17984 FREDERICK LN WILSONVILLE,OR 97070 SHERWOOD,OR 97140 2S111DB-13100 2S111BD-00400 BEGAN KENNETH R&SHEILA CANNARD NICHOLAS WALERIE K 9495 SW SATTLER 9720 SW MURDOCK TIGARD,OR 97224 TIGARD,OR 97224 2S111AC-00800 2S111BD-02600 CARNEY GILBERT W JANET E DAVIS WAVERLEY L AND 14625 SW 91ST AVE SHEILA F TIGARD,OR 97223 PO BOX 23053 TIGARD,OR 97281 2S 111 AC-02200 2S 111 AC-05600 CHAVEZ GLORIA A DEBERNARDIS AMO TR&JESSIE G BY DELOIS A WOMACK 14930 SW 92ND AVE 14725 SW 92ND AVE TIGARD,OR 97224 TIGARD,OR 97224 2S111AD-14400 2S111DB-14200 CHIAPUZIO DOUGLAS SlBARBARA A DIAZ GUADALUPE AND 14921 SW 91 ST AVE BARBARA H TIGARD,OR 97224 65-1692 KOHALA MTN RD KAMUELA,HI 96743 2S111CA-13400 2S711AG04900 COLLINS KELLY& DRAGON MATTHEW H III AND FRASER-COLLINS KAREN PAMELAA 9670 SW DARMEL CT 14740 SW 92ND AVE TIGARD,OR 97224 TIGARD,OR 97224 2S111AC-05500 2S111AC-03800 CORNETT JOSEPH E JR&TAMMY L DRAKE KATHLEEN A 14900 SW 92ND AVE 15005 SW LESLIE CT TIGARD,OR 97224 TIGARD,OR 97224 2S111BD-00401 2S111AC-00300 COX THOMAS W DRESSEL LEONARD W G J COX BEVERLY J 14630 SW 91ST 14860 SW 96TH TIGARD,OR 97223 TIGARD,OR 97223 2S111AC-01800 2S1116D-00605 CRAWFORD ANTHONY E EARL DAVID L SR&GEORGANN M 14605 SW 92ND AVE 15025 SW 96TH AVE TIGARD,OR 97224 TIGARD,OR 97224 2S111CA-13800 2S1'11BD-00402 CURTISS GORDON P& EMMI JOSEPH S& ASHTON JULIANNE M SHIH-EMMI YAMIN MONICA 9725 SW SATTLER ST 9650 SW MURDOCK ST TIGARD,OR 97224 TIGARD,OR 97224 2S111DB-11800 2S1116D-00408 DANFORTH WILLIAM H 8 ENDICOTT CAROL ANN DANFORTH KATHY E 9585 SW MURDOCK ST 15205 SW 94TH AVE TIGARD,OR 97224 TIGARD,OR 97224 2S 111 DB-05900 2S 111 CA-00200 DARCY MARIE ANNE FAHEY MARK J 15220 SW ALDERBROOK CT 9650 SW SATTLER ST TIGARD,OR 97224 TIGARD,OR 97224 2S111AD-14700 2S111AD-14300 FLEMING DIANE HARBURY HENRY K 8 14795 SW 91 ST AVE SUSAN F TiGARD,OR 97224 14933 SW 91ST AVE TIGARD,OR 97224 2S111CA-11200 2S111AD-13800 FREAD JAMES R 8 DEBORAH J HARRIS ROBERT RAY 9532 SW SATTLER ST 15061 SW 91ST AVE TIGARD,OR 97223 TIGARD,OR 97224 2S111AD-14100 2S111AC-05100 FRIDAY ROBERT LYLE JR 8 SCHELLE HARTMAN DAVID& 14957 SW 91ST AVE HARTMAN JO RENEE TIGARD,OR 97223 14800 5W 92ND AVE TIGARD,OR 97224 2si�icA-�s�oo 2S117AD-14500 FURLOTT ELIZABETH L/RODNEY C HATFIELD BARRY D AND 9685 5W SATTLER ST DEBORAH C TIGARD,OR 97224 14827 SW 91ST CT TIGARD,OR 97224 2S111AD-14800 2S711DB-04900 FUSICK MARK E 8 JONI W HENKELMAN NORMAN B 14783 SW 91 ST AVE 15207 SW ALDERBROOK PL TIGARD,OR 97224 TIGARD,OR 97224 2S1110B-04000 2S711AC-05800 GEORGE RUTH M HESTON DIANNA NOEL 9165 SW SUMMERFIELD CT 15010 SW 92ND AVE TIGARD,OR 97224 TIGARD,OR 97223 2S111D6-12000 2S111AD-73600 GREENWOOD JO ANNE HOUGHTON FAMILY LLC 15225 SW 94TH BY HOUGHTON RAYMOND C II& TIGARD,OR 97224 CAROLYN B 322 STH ST LAKE OSWEGO,OR 97034 2S111AC-01400 2S171AD-13700 GRIMMELL CLIFFORD C&FAYE A HUBBELL KIMBERLY A REV TRUST 14560 SW 92ND AVE BY KIMBERLY A HUBBELL TR TIGARD,OR 97224 15073 SW 91ST AVE TIGARD,OR 97224 2S111CA-13200 2S111DB-12900 HAMMER LEON C&KARIN IFORD JOHN REID 8 9565 SW SATTLER SHIRLEY TIGARD,OR 97224 15070 SW 96TH AVE TIGARD,OR 97224 25111CA-13600 2S117BD-00601 HANSON BRYAN LEE 8�HELEN TR JOHNSON KENNETH AND 9645 SW SATTLER DEBORAH TIGARD,OR 97224 9695 DARMEL COURT TIGARD,OR 97223 2S111CA-13500 2S111DB-14100 JOHNSON KURT D LACEY THOMAS RICHARD 9640 SW DARMEL CT 15070 SW 92ND AVE TIGARD,OR 97224 TIGARD,OR 97224 25111D8-11900 2S171AC-05700 JONES RICHARD NEWTON JR LAMMERS WAYNE P 8 CHERYL 15215 SW 94TH AVE 14960 SW 92ND AVE TIGARD,OR 97224 TIGARD,OR 97224 2S111D6-04700 2S111DB-06200 KAUFMAN ELVIRA B LANGE CONRAD PHILLIP& 15222 SW ALDERBROOK PLACE LEOLA PEARL TIGARD,OR 97224 15225 SW ALDERBROOK CT TIGARD,OR 97224 2S 111 AC-02802 2S 111 BD-02400 KELLEHER PHILLIP M/BARABARAJ LAWRENCE DON R&MERLYN J PO BOX 23023 9720 SW PEMBROOK ST TIGARD,OR 97223 TIGARD,OR 97224 2S 111 DB-13300 25111 AC-04200 KESSLER JULIUS B TRUSTEE LEWIS JAMES D/PAMELA L 9425 SW SATTLER ST 14965 SW LESLIE CT TIGARD,OR 97224 TIGARD,OR 97224 2S111 BD-00413 2S111 DB-11700 KESSLER SHANE ALLEN& LINNE CARL A AND ELIANE L LAUREL SUZANNE 15200 SW 94TH AVE PO BOX 1217 TIGARD,OR 97224 LAKE OSWEGO,OR 97035 2S 111 BD-02500 2S 111 DB-04100 KIEFEL JOSEPH A AND ADA LUCAS MARGARET C TRUST 14635 SW 97TH 9135 SW SUMMERFIELD CT TIGARD,OR 97223 TIGARD,OR 97224 2S111AC-00100 2S111DB-13500 KITTELSON WAYNE K AND LUCAS STEPHEN G JANICE R 9185 SW SATTLER ST 9075 SW PINEBROOK TIGARD,OR 97224 TIGARD.OR 97224 2S111CA-13000 2S111BD-00412 KRETZINGER MARK L AND LUNDSTROM RICHARD&NAILA TAKKO MARY A 9700 SW MARILYN CT 15136 SW 96TH AVE TIGARD,OR 97224 TIGARD,OR 97223 2S111DB-13800 2S111AD-17200 KRIBS GORDAN J AND LINDA J MALLARD LAKES HOMEOWNERS ASSN 15085 SW DAW N CT 14827 SW 91 ST CT TIGARD,OR 97224 TIGARD,OR 97223 � � . . 2S 711 DB-13200 2S 111 DB-05000 MARTIN TED E&SHARON L NICHOLS DORIS L 9485 SW SATTLER ST 15227 SW ALDERBROOK PL TIGARD,OR 97224 TIGARD,OR 97224 2S111CA-11100 2S111BD-00409 MATHEWS STEPHEN F/JANET C NICHOLSON SHANE 8 9564 SW SATTLER ST NICHOLSON BRITTA TIGARD,OR 97224 14895 SW 96TH AVE TIGARD,OR 97224 2S 111 AC-02500 2S 111 AC-05300 MAYER JAMES C E J OLSEN RICHARD B&LINDA K 9110 SW PINEBROOK ST 14850 SW 92ND AVE TIGARD,OR 97223 TIGARD,OR 97224 2S 111 AD-13900 2S 111 CA-11000 MCELDOWNEY DAVID E&TAMARA F O'NEEL ALTA M&DENNIS R 15049 SW 91ST AVE 9596 SW SATTLER ST TIGARD,OR 97224 TIGARD,OR 97224 2S 111 AC-01200 2S 111 BD-00700 MCILVAIN JOHN R&JULIE T PALMER FAMILY TRUST 14620 SW 92ND AVE BY PALMER CHARLES H TR TIGARD,OR 97224 14980 5W 96TH AVE TIGARD,OR 97224 2S111AD-14000 2S771AC-01000 MILLER BOB M 8 CONNIE M PARKER LINDA K& 15035 SW 91ST AVE SERBUS WILMA JEAN TIGARD,OR 97224 14685 SW 91ST AVE TIGARD,OR 97224 2S117DB-039D0 2S111AC-04100 MOORE HENRY V TR 8 PECK JANE ANN PAULSON-MOORE PATRICIA C TR 14975 SW LESLIE CT 9195 SW SUMMERFIELD CT TIGARD,OR 97224 TIGARD,OR 97224 2S117DB-11600 251116D-00407 MORRIS ROBERT D AND POEHLER EDWARD CARL BERNICE K MYRTLE J 15220 SW 94TH 14940 SW 96TH AVE TIGARD,OR 97224 TIGARD,OR 97223 2S 111 BD-00405 2S 171 AD-14200 MYERS ROBERT W TR 8 QUAYLE MICHAEL M 8 WENDY S EARLINE M TR 14945 SW 91ST AVE 9555 SW MURDOCK ST TIGARD,OR 97224 TIGARD,OR 97224 2S�11 AC-02300 2S 111 BD-00404 NEWCOMB WAYNE E&NANCY ANN RAMAEKERS DONALD B AND 9170 PINEBROOK ST CONNIE M TIGARD,OR 97224 9655 SW MURDOCK ST TIGARD,OR 97223 2S 111 AD-04500 2S 111 AD-146D0 REDFERN FRANCIS KEITH 8 AMY JO SCHNEBERGER RONALD W& 9050 SW PINEBROOK ST JEANNETTE G TIGARD,OR 97223 14809 5W 91ST AVE TIGARD,OR 97224 2S111DB-O6100 2 AC-029 REQUA DOROTHY F SCHO ISTRICT NO.23 15205 SW ALDERBROOK CT , 0 TIGARD,OR 97224 2S 111 D B-13600 2S 111 AC-05900 REYNOLDS WILLIAM T SIMON JULIE HOPE 15025 SW 92ND AVE PO BOX 23654 TIGARD,OR 97224 TIGARD,OR 97281 2S 17 7 BD-00410 2S 111 DB-13900 RICKER DEWEY E JR AND SLOOP MICHAEL R SHERYL ANN 20565 FERNVIEW RD 9670 SW MARILYN COURT WEST LINN,OR 97068 TIGARD,OR 97223 2S 111 D B-06000 2S 117 BD-00474 ROBERSON MILDRED D TRUSTEE SORENSEN JEROME H BY KAREN DUDLEY MARJORIE J 3113 GLEN AYRE LN NW 9705 SW MARILYN CT OLYMPIA,WA 98502 TIGARD,OR 97223 2S 111 AC-02600 2S 111 CA-13100 ROBERTS BARBARA SOUTHARD NOEL D&TERESA M 9080 SW PINEBROOK ST 15168 SW 96TH AVE TIGARD,OR 97224 TIGARD,OR 97224 2S 171 AC-01100 2S 111 AC-04800 ROBERTS REGAN P&CHERI M STOCKMAN RESI Y 14650 SW 92ND AVE 14855 SW 92ND AVE TIGARD,OR 97224 TIGARD,OR 97224 2S 111 BD-00406 2S 171 BD-00600 RODDAN DELLA L STONE GEORGE L JR HELEN 9675 SW MARILYN COURT 9665 SW DARMEL COURT TIGARD,OR 97223 TIGARD,OR 97224 2S 111 BD-00403 2S 111 AC-02000 RODGERS KENNETH A AND STRICKER DANIEL W 8 LESLIE ANN WANDA M 14665 SW 92ND AVE 14900 SW 96TH PORTLAND,OR 97224 TIGARD,OR 97223 2S111AC-01300 2S111AC-04300 SANDBERG WALTER T& SWAFFORD ANNE A&DENNIS R SANDBERG JUDY K t7625 SW FREDERICK LN 14590 SW 92ND AVE SHERWOOD,OR 97140 TIGARD,OR 97224 I 2S 711 CA-00101 2S 171 AC-05201 SYNOGROUND DARL L WALKER KAREN C PO BOX 529 14820 SW 92ND AVE LAKE OSWEGO,OR 97034 TIGARD,OR 97224 2S111AC-02400 2S111AC-00700 TAUTFEST DONALD D&JODI R WALTERS JIMMY C AND 9140 SW PINEBROOK NORMA M TIGARD,OR 97224 14595 SW 91ST AVE TIGARD,OR 97224 2S 111 DB-04800 2S 111 AC-01600 TAYLOR C JAMES 8 CLARICE L WILAND CRAIG JOSEPH&DONYA LEE 15202 SW ALDERBROOK PL 14545 SW 92N0 AVE TIGARD,OR 97224 TIGARD,OR 97224 2S 111 AC-04600 2S 111 CA-13300 TEIGEN CHAD A 8 NATALIE A WILCOX DALE G 8 NANCY A TRS 14875 SW HEIDI CT 9700 SW DARMEL CT TIGARD,OR 97224 TIGARD,OR 97224 2 11AC-06500 2S117 BD-00411 TIG OF ZENZANO NELSON 8 1312 ALL KIMBERLY T ARD,OR 7223 14965 SW 96TH AVE TIGARD,OR 97224 2S111AC-04700 TREADWAY ROBERT B JR 14865 5W HEIDI CT TIGARD,OR 97224 2S111AC-027 U N SCHOOL DISTRICT NO. 25111 BD-00800 VERGARA JOSE& REYNOSO GREGORIO 15030 SW 96TH AVE TIGARD,OR 97224 2S111AC-03900 WALKER CHARLES A JR AND �INDA C 14995 SW LESLIE COURT TIGARD,OR 97223 2S 111 AC-02100 WALKER DAVID R AND JUDY K 14695 5W 92ND TIGARD,OR 97224 I 1 � ' Jack Biethan 11023 SW SummerField Drive, #4 Tigard, OR 97224 Kristen Miller 8940 SW Etlgewootl Street Tigard, OR 97223 Paul Owen 10335 SW Highlantl Drive Tigard, OR 97224 Tim Esau PO Box 230695 Tigard, OR 97281 Nathan and Ann Murdock PO Box 231265 Tigard, OR 97281 Ross Sundberg 16382 SW 104th Avenue Tigard, OR 97224 Brian Wegener 9830 SW Kimberly Drive Tigard, OR 97224 J. Dyar 10430 SW Century Oak Drive Tigard, OR 97224 Rex Caffall 13205 SW Village Glenn Tigard, OR 97223 Josh Thomas 10395 SW Bonanza Tigard, OR 97224 CITY OF TIGARD - SOUTH fIT SUBCOMMITfEE (pg. I af I) (i:lcurpinlsetup\IabeIslCIT South.doc) UPDATED: June 18, 2003 AFFIDAVIT OF MAILIHG CITYOFTIGARD �ornn:ui�ity�Developri:ent Sltapingt1 Better�'ommunity I, �PatriciaG. Lu�� being first duly sworn/affirm, on oath depose and say that I am a Senior.��minimativ�SpeciaCutfor the City of7"igas , `Washington Couniy, Oregon and that I served the following: ;Cr�ec6 AUPropnata Bo.(s)Beiow) ❑X NOTICE OF FINAL ORUER fOR:V/ LUP2003-0001 I/YAR2003-00100 — TEMPLETON ELEMENTARY SCHOOL ADDITION � AMENDED NOTICE (File NoJName Reference) HEARING BODY: HEARING DATE: ❑ City of Tigard Planning Director � Tigard Hearings Officer (1/12/2004) ❑ Tigard Planning Commission ❑ Tigard City Council A copy of the said notice being hereto attached, marked EI(hlblt"A", and by reference made a part hereof, was mailed to each named person(s) at the address(s) shown on the attached list(s), marked Exhlblt"B", and by reference made a part hereof, on 18t1U8N 22,2004, and deposited in the United States Mail on 1811118N 22,2004, postage prepaid. . 1%� (Person that P pared Notice) .57,�?E O�F O�EGOX � Co�unry_of�jington �ss o��l Subscribed and sworn/aff�ed before me on the � 7 day of , 2004. �� OFFICIAL SEAL `:b J BENGTSON „ ,.' NOTARY PUBUC-OREGON r�.-"{�"1 � COMMISSION NO.368086 ,� o r� � � MY COMMISSION EXPIRES APR.27,2007 My Commission Expires: � � ' :HtBIT A _ I 20 DAYS = 2/I 8/2004 CITY OF TIGARD DATE OF FILING: I/20/2004 Community�UeveCopment ' Shaping�7 Better�'ommunity CITY OF TIGARD `WasFcington County, Oregon NOTICE OF FINAL ORDER BY THE HEARINGS OFFICER Case Numbers: CONDITIONAL USE PERMIT CUP 2003-00011 ADJUSTMENT VAR 2003-00100 Case Name: TEMPLETON ELEMENTARY SCHOOL ADDITION Name of Owner: Ti ard-Tualatin School District No. 23J Name of Applicant: Ed Mur h 8�Associates Address of Applicant: 9875 SW Murdock Street Ti ard Ore on 97224 Address of Property: 9500 SW Murdock Street Ti ard Ore on 97224 Tax Ma /Lot Nos.: Washin ton Co. Tax Assessor's Ma No. 2S111AC, Tax Lot 2901. A FINAL ORDER IN(ORPORATING TNE FACiS, FINDINGS AND fON[LUSIONS APPROVING A REOUEST FOR A fONDITIONAI USE AND AN AD�USTMENT.. THE CITY OF TIGARD HEARINGS OFFICER HAS REVIEWED THE APPLICANT'S PLANS, NARRATIVE, MATERIALS, COMMENTS OF REVIEWING AGENfIES, THE PLANNING DIVISION'S STAFF REPORT AND RECOMMENDATIONS FOR THE APPLIfATION DESCRIBED IN fURTNER DETAII IN THE STAFF REPORT. THE HEARINGS OFFIfER HELD A PUBLIf NEARING ON JANUARY 12, 2004 TO RECEIVE TESTIMONY REGARDING THIS APPLICATION. THIS DE(ISION NAS BEEN BASED ON THE FACTS, FINDINGS AND fONtLUSIONS [ONTAINED WITHIN TNIS FINAL ORDER. Request: ➢ The applicant is requesting Conditional Use approval to add an 8,300 square foot addition to the existing 51,030 square foot school, to modify the parking areas, and to add a fire access lane along the north property line. The applicant is also seeking an Adjustment to reduce the required number of bicycle stalls on site. At the close of the record, the Hearings Officer conditionally approved all applications subject to the conditions of approval within this final order. Zone: R-4.5: Low-Density Residential District. Apqlicable Review Criteria: Community Development Code Chapters 18.330, 18.360, 18.370, 18.390, 18.510, 18.705, 18.725, 18.745, 18.755, 18,765, 18.790, 18.795 and 18.810. Action: ➢ ❑ Approval as Requested � Approval with Conditions ❑ Denial Notice: Notice was published in the newspaper and mailed to: 0 Owners of Record Within the Required Distance O Affected Government Agencies � Area Citizen Involvement Team � The Applicants and Owners The adopted findings of fact and decision can be obtained from the Planning Division/Community Development Department at the City of Tigard City Hall. Final Decision: THIS DECISION IS FINAL ON JANUARY 22, 2004 AND BECOMES EFFECTIVE ON FEBRUARY 6, 2004 UNLESS AN APPEAL IS FILED. Appeal: The decision of the Review Authority is final for purposes of appeal on the date that it is mailed. Any party with standing as provided in Section 18.390.040.G.1. may appeal this decision in accordance with Section 18.390.040.G.2. of the Tiga�d Community Development Code which provides that a written appeal together with the required fee shall be filed with the Director within ten (10) business days of the date the notice of the decision was mailed. The appeal fee schedule and forms are available from the Planning Division of Tigard City Hall, 13125 SW Hall Boulevard, Tigard, Oregon 97223. THE DEADLINE FOR FILING AN APPEAL IS 5:00 PM ON FEBRUARY 5, 2004. Questions: If you have any questions, please call the City of Tigard Planning Division at (503) 639-4171. BEFORE THE LAND USE HEARINGS OFFICER FOR THE CITY OF TIGARD, OREGON Regarding an application by the Tigard-Tualatin School ) F I N A L O R D E R District for a conditional use permit tv add a 8300-square ) CUP 2003-00011 and foot addition to the Templeton Elementary School at ) VAR 2003-00100 9500 SW Murdock Street in the City of Tigard, Oregon ) (Templeton Elementary) A. FINDINGS AND CONCLUSIONS 1. Tigard-Tualatin School District (the "applicant") requests approval of a conditional use permit to add 8300 square feet to the existing 51,030-square foot Templeton Elementary School at 9500 SW Murdock Street; also known as tax lot 2901, WCTM 2S 11 lAC (the "site"). The addition will contain educational, administrative and related specialty spaces. The applicant also proposes such exterior improvements as additional parking, a fire access route and landscaping. The applicant also requests approval of an adjustment to reduce the number of required bicycic parking spaces from 156 to 36. The site contains 12.6 acres, and it is zoned R4.5 (Low-Density Residential). It adjoins Twality Middle School to the north, single family homes to the east and west and an undeveloped parcel to the south. The Staff Report to the Hearings Officer dated January 5, 2004 (the "Staff Report") contains a history of City review and development on the site, which the hearings officer incorporates as his own. 2. Tigard Hearings Officer Larry Epstein (the"hearings officer") held a duly noticed public hearing on January 12, 2004 to receive and consider public testimony in this matter. The record includes a witness list, materials in the casefile as of the close of the hearing, and an audio record of the hearing. At the beginning of the hearing, the hearings officer made the declaration required by ORS 197.763. The hearings officer disclaimed any ex parte contacts, bias or conflicts of interest. The following is a summary by the hearings officer of selected relevant testimony offered at the hearing. a. City planner Brad Kilby summarized the proposed development, the applicable approval standards, the Staff Report and recommended conditions of approval. b. Nicholas Harris of Cornerstone Construction testified for the applicant. He asked City staff to clarify a recommendation about the appropriate tree species to plant on the site. He accepted the findings and conditions of approval in the Staff Report without objections. He also waived the applicant's right to submit a closing written argument after the public hearing. c. At the end of the hearing, the hearings officer closed the public record and announced his intention to approve the application subject to recommended conditions. 3. City staff recommended that the hearings officer approve the application based on findings and conclusions and subject to conditions of approval recommended in the Staff Report. The applicant accepted those conditions. No one disputed the findings in the Staff Report. The hearings officer agrees with those findings, conclusions and conditions, and adopts the affirmative findings in the Staff Report as support for this Final Order. 4. Based on the findings and discussion provided or incorporated in this final order, the hearings officer concludes that the applicant sustained the burden of proof that the proposed conditional use permit and variance do or will comply with the applicable criteria of the Community Development Code,provided development that occurs after this decision complies with applicable local, state, and federal laws and with conditions of approval warranted to ensure such compliance occurs in fact. Therefore those applications should be approved subject to such conditions. B. ORDER In recognition of the findings and conclusions contained herein, and incorporating the Staff Report and public testimony and exhibits received in this matter, the hearings officer hereby approves CUP 2003-00011 and VAR 2003-00100 (Templeton Elementary), subject to the conditions of approval in the Staff Report. DATED this 20th day of January, 2004. Larry Epstein, Esq., AICP City of Tigard Land Use Hearings Officer CUP 2003-000!/and vAR 2003-00100 Hearings O�cer Frna!Order (Templeton Elementary School) page� Agenda Item: 2.1 Hearing Date: Janua 12 2003 Time: 7:00 PM STAFF REPORT TO THE HEARINGS OFFICER CITYOFTIGARD Community�DeveCopment FOR THE CITY OF TIGARD, OREGON ShapiitQAl�etterConununity 120 DAYS = 3/09/2004 SECTION I. APPLICATION SUMMARY FILE NAME: TEMPLETON ELEMENTARY SCHOOL CASE NOS: Conditional Use Permit (CUP) CUP2003-00011 Adjustment (VAR) VAR2003-00100 OWNER/ Tigard-Tualatin School APPLICANT: District 23J Attn: Stephen Poage 6960 SW Sandburg Street Tigard, OR 97223 PROPOSAL: The applicant is seeking conditional use approval to add an 8,300 square foot addition to the existing school, to modify the parking areas, and to add a fire access lane along the north property line. The applicant is also seeking an adjustment to reduce the required number of bicycle stalls on site. TF�e existing school is 51,030 square feet in size. LOCATION: The project is located at 9500 SW Murdock Street, and is described as: W CTM 2S 111 AC, Tax Lot 02901. COMPREHENSIVE PLAN AND ZONING DESIGNATION: R- 4.5, Low-Density Residential zoning district. APPLICABLE REVIEW CRITERIA: Community Development Code Chapters: 18.330, 18.360, 18.370, 18.390, 18.510, 18.705, 18.725, 18.745, 18.755, 18.765, 18.790, 18.795, and 18.810. SECTION II. STAFF RECOMMENDATION Staff recommends that the Hearings Officer find that the proposed Conditional Use Permit and the requested bicycle parking adJ'ustment will not adversely affect the health, safety and welfare of the City and meets the Approval Standards of the Tigard Development Code. Therefore, Staff recommends APPROVAL, subject to the following recommended Conditions of Approval. TEMPLETON ELEMENTARY PAGE 1 OF 22 1/1?J04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER CONDITIONS OF APPROVAL THE FOLLOWING CONDITIONS SHALL BE SATISFIED PRIOR TO COMMENCING ANY ON-SITE IMPROVEMENTS INCLUDING GRADING, EXCAVATION, FILL, TREE REMOVAL, AND/OR DEMOLITION ACTIVITIES : u mit to t e anning epartment ra i y, -4 7 , ext. 3 or review an approval: 1. Prior to issuance of building permits for the site, the applicant shall submit a lighting plan for the entire project site for approval. 2. Prior to placement of any signs on site, the applicant shall appIy for a sign permit and supply staff with the appropnate plans to verify compliance with TDC Chapter 18.780. 3. The applicant shall provide the City Arborist with a construction sequence including installation and removal of tree protection devices, clearing, grading, and paving. 4. The applicant shall notify the City Arborist when tree protection measures are in place so that he may verify that the measures will function properly prior to construction. Submit to the Engineering Department (Kim McMillan, 639-4171, ext. 2642) for review and approval: 5. Pnor to issuance of a site permit, a Public Facility Improvement (PFI) permit is required for this pro'ect to cover the driveway apron and any other work in the public right-of-way. Six (6j sets of detailed public improvement plans shall be submitted for review to the Engineering Department. NOTE: these plans are in addition to any drawin�s required by the Building Division and should only include sheets relevant to public improvements. Public Facility Improvement (PFI) permit plans shall conform to City of Ti�ard Public Improvement Design Standards, which are available at City Hall and the City's web page (www.ci.tigard.or.us). 6. The PFI permit plan submittal shall include the exact legal name, address and telephone number of the individual or corporate entity who will be designated as the "Permittee", and who will provide the financial assurance for the public improvements. For example, specify if the entity is a corporation, limited partnership, LLC, etc. Also specify the state witFiin which the entity is incorporated and provide the name of the corporate contact person. Failure to provide accurate information to the Engineering Department will delay processing of project documents. 7. The applicant shall provide an on-site water quality facility as required by Clean Water Services Design and Construction Standards (adopted by Resolution and Order No. 00-7). Final plans and calculations shall be submitted to the Engineering Department (Kim McMillan) for review and approval prior to issuance of the site permit. In addition, a proposed maintenance plan shall be submitted along with the plans and calculations for review and approval. THE FOLLOWING CONDITIONS SHALL BE SATISFIED PRIOR TO A FINAL BUILDING INSPECTION: u mit to t e ngineering epartment im c i an, 7 , ext. 2 2 or review and approval: 8. Prior to a final building inspection, the applicant shall complete the required public improvements, obtain conditional acceptance from the City, and provide a one-year maintenance assurance for said improvements. 9. Prior to final buildin ins ection, the a plicant shall provide the City with as-built drawings of the publig improvements as follows: 1) 3 mil mylar, 2) a diskette of the as- builts in "DWG" format, if available; otherwise "DXF" will be acceptable, and 3) the as- built drawings shall be tied to the City's GPS network. The applicanYs engineer shall provide the City with an electronic file with points for each structure (manholes, catch basins, water valves, hydrants and other water system features) in the development, TEMPLETON ELEMENTARY PAGE 2 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER and their respective X and Y State Plane Coordinates, referenced to NAD 83 (91). 10.To ensure compliance with Clean Water Services design and construction standards, the applicant shall employ the design engineer responsible for the design and specifications of the private water quality facility to perform construction and visual observation of the water quality facility for compliance with the design and specifications. These inspections shall be made at significant stages, and at completion of the construction. Prior to final building inspection, the design engineer shalf provide the City of Tigard (Inspection Supervisor) with written confirmation that the water quality facility is in compliance with the design and specifications. Staff Contact: Hap Watkins, Building Division. 11.Prior to a final building inspection, the applicant shall demonstrate that they have entered into a maintenance agreement with Stormwater Management, or another company that demonstrates they can meet the maintenance requirements of the manufacturer, for the proposed onsite storm water treatment facility. FAILURE TO SATISFY THE CONDITIONS OF APPROVAL WITHIN 18 MONTHS OF THE EFFECTIVE DATE OF THE HEARINGS OFFICER'S DECISION SHALL RENDER THE HEARINGS OFFICER'S DECISION VOID. SECTION III. BACKGROUND INFORMATION Site Historv: According to the applicant, the site was developed in the early 1960's. According to City records, the site was annexed into the City in 1967. There was a conditional use permit issued for the site in 1977 (CU32-77) for a gymnasium, and a subsequent site development review for that project (SD1�6-78). In 1991, a modification to the conditional use was issued to allow a modular classroom to be placed on site (CUP91-00006). Vicinitv Information: The site is zoned R-4.5 and surrounded on three sides by single-family homes, and Twality Middle School on the fourth side. The underdeveloped property to the south of the site is currently under review for a residential subdivision. Site Information and Proposal Description: The site is 12.6 acres in size and currently occupied by the existing elementary school. The site is located on gentle slopes ranging from 0 to 5%. The proposal is for an 8,300 square foot addition to the existing elementary school with associated parking and infrastructure. The applicant is also requesting approval of an adjustment to vary the bicycle parking requirements of the development code. These requests are discussed in more detail in the following discussion. SECTION IV. DECISION MAKING PROCEDURES, PERMITS AND USE Use Classification: Section 18.130.020 Lists the Use Categories. The applicant is proposing to construct an 8,300 square foot addition to an existing 51,030 square foot elementary school, create some additional parking, and install a storm facility to treat the additional impervious surFace. Schools are permitted conditionally within the R-4.5 zoning district. Summa Land Use Permits: Chapter 18.310 Defines he decision-making type to which the land-use application is assigned. The proposed use is a Conditional Use permit which is a Type III-HO decision. Staff reviews adjustments under a Type II process. However, when multiple applications are being TEMPLETON ELEMENTARY PAGE 3 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER reviewed for the same property, the highest authority will oversee all review. In this case, the review is handled by a Type Ilf-HO process and heard by the Tigard Hearings Officer. SECTION V. SUMMARY OF APPLICABLE CRITERIA A summar�r of the applicable criteria in this case in the Chapter order in which they are addressed in this report are as follows: A. 18.330 Specific Conditional Use Criteria General Approval Criteria) Additional Conditions of A proval) B. licable Develo mentpCode Standards 1 . 60 ite Development Review) 18.370 Variances/Adjustments) 18.510 Residential Zoning Districts) 18.705 Access, Egress & Circulation) 18.725 Environmental Performance Standards) 18.745 Landscaping and Screening) 18.755 Mixed Solid Waste and Recyclable Storage) 18.765 Off-Street Parking and Loading Requirements) 18.780 Signs) 18.790 Tree Removal) 18.795 Visual Clearance) C. Street and Utility Improvement Standards (18.810� D. Impact Study (18.39 � SECTION VI. APPLICABLE REVIEW CRITERIA AND FINDINGS A. SPECIFIC CONDITIONAL USE APPROVAL CRITERIA Section 18.330.010.A states that the purpose of this chapter is to provide standards and procedures under which a conditional use may be permitted, enlarged or altered if the site is appropriate and if other appropriate conditions of approval can be met. There are certain uses which due to the nature of the impacts on surrounding land uses and public facilities require a case-by-case review and analysis. Section 18.330.020.A states that a request for approval for a new conditional use shall be processed as a Type III-HO procedure, as regulated by Chapter 18.390.050, using approval criteria contained in Section 18.330.030A and subject to other requirements in Chapter 18.330. GENERAL APPROVAL CRITERIA FOR A CONDITIONAL USE: SECTION 18.330.030 The site size and dimensions provide adequate area for the needs of the proposed use; The existing site size is 12.6 acres or 548,856 square feet in size. The proposal requests approval for a total 59,330 square foot elementary school and associated infrastructure. A large portion of the site will be used for play fields. This report evaluates the proposal and necessary setbacks, landscaping, etc., and as demonstrated in the application and this report, the site size is adequate for the needs of the proposed use. The characteristics of the site are suitable for the proposed use considering size, shape, location, topography, and natural features; The site is currently developed with an existing elementary school. The site is large enough to accommodate the use. The�e are no specific limitations to the site with regard to the shape, location, topography or natural features that would hinder the development of the site with the proposed use. This criterion is satisfied. All required public facilities have adequate capacity to serve the proposal; and All public facilities including streets, storm and sanitary sewers, and water have adequate TEMPLETON ELEMENTARY PAGE 4 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER capacity to serve the site as discussed in detail elsewhere in this report. The applicable requirements of the zoning district are met except as modified by this chapter. The proposed site is located within the R-4.5 zoning district. As indicated earlier, schools are permitted conditionally. As conditioned later in this report, the project can meet the applicable requirements of the zoning district. The conditional use requirements are more restnctive than the underlying zoning requirements with regard to site size and setback requirements. The applicant has met or exceeded the requirements for the proposed project. The suQplementary requirements set forth in other chapters of this Code including but not lim�ted to Chapter 18.780, Signs, and Chapter 18.360, Site Development Review, if applicable, are met or can be conditioned to be satisfied. The applicable review criteria in this case include the following chapters of the Community Development Code: 18.330, Conditional Use; 18.360, Site Development Review; 18.370, Variances and Adjustments; 18.390 Decision Making Procedures; 18.510, Residential Zoning Districts, 18.705, Access, Egress and Circulation; 18.725, Environmental Performance Standards; 18.745, Landscaping and Screening, 18.755, Mixed Solid Waste and Recyclables Storage; 18.765, Off-Street Parking; 18.780, Signs; 18.790, Tree Removal; 18.795, Visual Clearance Areas; and 18.810, Street and Utility lmprovement Standards. The development standards and requirements of these chapters are addressed further in this report. The proposal contains no elements related to the provisions of the following chapters: 18.350, Planned Development; 18.380, Zoning Map/Text Amendments; 18.410, Lof Line Adjustments; 18.420, Land Partitions; 18.430, Subdivisions; 18.520, Commercial Zoning Districts; 18.530, Industrial Zonin� Districts; 18.620, Tigard Triangle Design Standards; 18.630 Washington Square Regiona Center Design Standards, 18.640 Durham Quarry Design Standards; 18.710, Accessory Residential Units; 18.715, Density Computations; 18.720, Design Compatibility Standards; 18.730, Exceptions to Development Standards; 18.740, Historic Overlay; 18.742, Home Occupations; 18.750, Manufactured/Mobile Home Regulations; 18.760, Nonconforming Situations; 18.775, Sensitive Lands; 18.785, Temporary Uses; and 18.798, Wireless Communications Facilities. These chapters are, therefore, found to be inapplicable as approval standards. The use will comply with the applicable policies of the Comprehensive Plan. The Comprehensive Plan is implemented by the Community Development Code. Compliance with Comprehensive Plan policies are, therefore, assured by satisfaction of the applicable development standards of the development code as addressed within this report. FINDING: Based on the analysis above, the General Approval Criteria for a Conditional Use are satisfied. TEMPLETON ELEMENTARY PAGE 5 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER ADDITIONAL CONDITIONS OF APPROVAL FOR CONDITIONAL USE. Section 18.330.030.B states that the Hearings Authority may impose conditions on the approval of a conditional use, which are found necessary to ensure the use is compatible with other uses in the vicinity, and that the impact of the proposed use on the surrounding uses and public facilities is minimized. These conditions may include, but are not limited to the following: Limiting the hours, days, place and/or manner of operation; The applicant has not indicated hours, days, or manner of operation, however, it can be expected that the school would operate durin the same hours that it currently operates. There is no evidence in the record to suggest�hat there is a need to limit the hours, days, place and or manner of operation for the elementary school. This criterion is satisfied. Requiring design features which minimize environmental impacts such as noise, vibration, air pollution, glare, odor and/or dust; The proposal would not likely generate any vibration, air pollution, odor, �lare, noise, or dust that would be considered out of character for the use. This criterion is satisfied. FINDING: The proposed site is ad1'acent on three sides to noise sensitive units as defined in the Tigard Municipal Code (TMC) Chapter 7.40. Requiring additional setback areas, lot area, and/or lot depth or width; The lot is large enough to accommodate the proposed addition that is to be constructed. The proposed use will exceed the setbacks of the underlyin� zone as required by this chapter. Dimensional criterion is discussed in more detail further in this discussion. This criterion is satisfied. Limiting the building height, size or lot coverage, and/or location on the site; There are no lot coverage requirements in the R-4.5 zoning classification. The applicant has indicated on the plans and in the narrative that the proposed addition will not exceed the maximum building height of thirty feet in the R4.5 zone. There is no evidence in the record to suggest a need to further limit fhe building height, size, lot coverage, or location on the site beyond what is required by the development code. This standard is satisfied. Designating the size, number, location andlor design of vehicle access points; The applicant is not proposing to alter the access to the site, and access is discussed in more detail later in this report. The criterion can be satisfied. Requiring street right-of-way to be dedicated and street(s) to be improved; With limited frontage onto SW Murdock Street, and existing development patterns, there is no immediate need for additional ri�ht-of-way to be dedicated or additional street improvements at this time. This criterion is satisfied. Requiring landscaping, screening, drainage and/or surfacing of parking and loading areas; These items are addressed later in this report. As conditioned, the proposal will meet the prescribed requirements of the TDC. Limiting the number, size, location, height and/or lighting of signs; Compliance with the sign requirements for the underlying zone will be considered once a design is reviewed. The applicant will be required to indicate the location and type of sign proposed for this site prior to building permit issuance. TEMPLETON ELEMENTARY PAGE 6 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER Limiting or setting standards for the location and/or intensity of outdoor lighting; The applicant has indicated in the narrative that the lighting will be managed to minimize impacts to the surrounding neighbors, and stated that the new parking lot lighting would be directed downward and controlled by photocell. However, the applicant did not provide a lighting plan as required. Staff cannot ensure that the lighting standards are satisfied. This criterion is not satisfied. FINDING: Staff cannot assure that lighting from the site will not produce glare onto neighboring properties or create a safe ni�httime environment based on the applicanYs description of lighting for the facility. CONDITION:Prior to issuance of building permits for the site, the applicant shall submit a lighting plan for the entire pro�ect site for approval. Re4uiring berms, screening or landscaping and the establishment of standards for their installation and maintenance; As discussed further in this report, the applicant has proposed some new landscaping to screen the parking areas and new portion of the building from surrounding properties, but is depending largely on existing landscaping for this purpose. This criterion is discussed in more detail later in this report. Requiring and designating the size, height, location and/or materials for fences; The applicant is not proposing any new fencing for the site, and there is no evidence in the record to suggest that fencing should be required for this use. This criterion can be satisfied. Requiring the protection and preservation of existing trees, soils, vegetation, watercourses, habitat areas and/or drainage areas; Some of the trees on site are scheduled for removal to accommodate construction. The applicant has provided a tree plan that will be discussed later in this report. As demonstrated later in this report, the applicant meets, or can be conditioned to meet this critenon. Requiring the dedication of sufficient open land area for a greenway adjoining and within the floodplain when land form alterations and development are allowed w�thin the 100-year floodplain; and The property is not adjacent to the floodplain. This criterion is not applicable. Requiring the construction of a pedestrian/bicycle pathway within the floodplain in accordance with the adopted pedestrianlbicycle pathway plan. The property is not adjacent to the 100-year floodplain. This criterion is not applicable. ADDITIONAL DEVELOPMENT STANDARDS FOR CONDITIONAL USE TYPES: SECTION 18.330.050 The additional development standards are specific criteria that must be considered at the time of application for a conditional use. The criteria states that there shall be no minimum lot size requirements for schools other than what is required for the applicable zoning district; That the setbacks shall be as follows: Front Yard setback- 20 feet Corner and through lot setback-20 feet on any side facing a street Side yard setback- 20 feet Rear yard setback- 30 feet TEMPLETON ELEMENTARY PAGE 7 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER The minimum lot size for the R-4.5 zoning district is 7,500 square feet. This site is 12.6 acres. This criterion is satisfied. With regard to the setbacks, the site is an interior lot. Staff considers the frontage along SW Murdock Street as the front yard which would be required to meet a minimum 20-foot setback. The closest structure to the front lot line is 30 feet. The rear yard setback is required to be 30 feet. The actual distance is closer to 225 feet. The southern property line is a side yard setback. The minimum setback is 20 feet. The closest structure to the southern property line is 220 feet. The northern property line is the other side yard. The closest structure to the northern property is 25 feet exceeding the required side yard setback by 5 feet. This criterion is satisfied B. APPLICABLE DEVELOPMENT CODE STANDARDS SITE DEVELOPMENT REVIEW (18.360� The Site Development Review approval standards require that a development proposal be found to be consistent with the various standards of the Community DeveloPment Code. The proposal's consistency with these Code Chapters is reviewed in the following sections. VARIANCES AND ADJUSTMENTS (18.370� The applicant has requested an adjustment to the bicycle parking standards which has been addressed in the following discussion. The Director may approve a reduction of required bicycle parking per Section 18.765.050.E by means of Type II procedure, as governed by Section 18.390.040, if the applicant can demonstrate that the proposed use b� its nature would be reasonably anticipated to generate a lesser need for bicycle parking. The applicant has requested an adjustment to the bic cle parking standards that would be imposed on the school as dictated by Table 18.765.2 (�Vlinimum Parking Standards). Under the current requirements, the school would be required to provide 6 spaces for every classroom because it is an elementary school. Considering that there are 26 classrooms proposed, the facility would be required to provide 156 spaces. The applicant is proposing to provide 36 spaces on site. The primary argument the applicant makes against providing the required spaces is that currently there are 36 available spaces and the demand never exceeds 6-10 spaces on a good day. This information is based on information provided in a letter by the school pnncipal, and supported by his staff. Based on the information provided, staff would support the adjustment. RESIDENTIAL ZONING DISTRICTS (18.510� The R-4.5 zoning district is designed to accommodate detached single-famil� housing at a minimum lot size of 7,500 square feet. A wide range of civic and institutional uses are also permitted conditionally. Section 18.510.050 states that Development standards in Residential zoning districts are contained in Table 18.510.2, however, because the proposed use requires conditional use approval, the stricter standards of the conditional use section apply. The only standards that are not specifically regulated by the Conditional Use chapter are lot coverage and building height. There is no maximum lot coverage within the R-4.5 zoning district, and the maximum height requirement is 30 feet. The remaining standards are exceeded by the conditional use requirements. Based on the analysis above, the underlying zone's development standards are met or exceeded. This criterion is satisfied. ACCESS, EGRESS AND CIRCULATION (18.705� No building or other permit shall be issued until scaled plans are presented and approved as provided by this chapter that show how access, egress and circulation requirements are to be fulfilled. The applicant shall submit a site plan. Because the parking requirement is less than 100 spaces, the TDC requires a minimum of TEMPLETON ELEMENTARY PAGE 8 OF 22 1/12I04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER one 30-foot access with 24 feet of pavement. The access off of SW Murdock is pre-existing, and according to the plans provided is 31 feet wide. This criterion is satisfied. All vehicular access and egress as required in Sections 18.705.030H and 18.705.0301 shall connect directly with a public or private street approved by the City for public use and shall be mainta�ned at the required standards on a continuous basis. The site has frontage on SW Murdock Street. SW Murdock is a public street and the proposed access connects directly to the site. This criterion is satisfied. Required Walkway Location On-site pedestrian walkways shall comply with the following standards: Walkways shall extend from the ground floor entrances or from the ground floor landing of stairs, ramps, or elevators of all commercial, institutional, and industrial uses, to the streets which provide the required access and egress. Walkways shall provide convenient connections between buildin�s in multi-building commercial, institutional, and industrial complexes. Unless impractical, walkways shall be constructed between new and existing developments and neighboring developments; The site already has a pre-existing walkway that extends from the site to SW Murdock Street. This criterion is satisfied. Within all attached housing (except two-family dwellings and multi-family developments, each residential dwelling shall be connected �y walkway to the vehicular parking area, and common open space and recreation facilities; This criterion is not applicable to this proposal. Wherever required walkways cross vehicle access driveways or parking lots, such crossings shall be designed and located for pedestrian safety. Rec�uired walkways shall be physically separated from motor vehicle traffic and parking by either a minimum 6-inch vertical separation (curbed) or a minimum 3-foot horizontal separation, except that pedestrian crossings of traffic aisles are permitted for distances no greater than 36 feet if appropriate landscaping, pavement markings, or contrasting pavement materials are used. Walkways shall be a minimum of four feet in width, exclusrve of vehicle overhangs and obstructions such as mailboxes, benches, bicycle racks, and sign posts, and shall be in compliance with ADA standards; The applicant's plans show there are no required walkways crossing the vehicular access or parking area. All pre-existing and proposed sidewalks are concrete. The sidewalks meet or exceed the minimum width of four feet. This criterion is satisfied. Required walkways shall be paved with hard surfaced materials such as concrete, asphalt, stone, brick, etc. Walkways may be required to be lighted andlor signed as needed for safety purposes. Soft-surfaced public use pathways may be provided only if such pathways are provided in addition to required pathways. The applicant is proposin� to construct all sidewalks with concrete materials, and lighting was discussed previously in this report. This criterion is satisfied. Access Mana ement (Section 18.705.030.H): Section 18.70�.030.H.1 states that an access report shall be submitted with all new development proposals which verifies design of driveways and streets are safe by meeting ade4uate stacking needs, sight distance and deceleration standards as set by ODOT, Washington County, the City and AASHTO. A new driveway, meeting current City standards, is proposed. Sight distance is not at issue because the access is at the end of a dead-end street with no cross traffic. Section 18.705.030.H.3 and 4 states that the minimum spacing of driveways and streets along a collector shall be 200 feet. The minimum spacing of driveways and TEMPLETON ELEMENTARY PAGE 9 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER streets along an arterial shall be 600 feet. The minimum spacing of local streets along a local street shall be 125 feet. Does not apply to current street configuration. ENVIRONMENTAL PERFORMANCE STANDARDS — CHAPTER 18.725: Requires that federal and state environmental laws, rules and regulations be applied to development within the City of Tigard. Section 18.725.030 Performance Standards regulates: Noise, visible emissions, vibration and odors. Noise. For the purposes of noise regulation, the provisions of Sections 7.41.130 through 7.40.210 of the Tigard Municipal Code shall apply. Visible Emissions. Within the Commercial zoning districts and the Industrial Park (I-P) zoning district, there shall be no use, operation or activity which results in a stack or other point- source emission, other than an emission from space heating, or the emission of pure uncombined water (steam) which is visible from a property line. Department of Environmental Quality (DEQ) rules for visible emissions (340-21-015 and 340-28-070) apply. Vibration. No vibration other than that caused by highway vehicles, trains and aircraft is permitted in any given zoning district, which is discernible without instruments at the property line of the use concerned. Odors. The emissions of odorous gases or other matter in such quantities as to be readily detectable at any point beyond the property line of the use creating the odors is prohibited. DEQ rules for odors (340-028-090) apply. Glare and heat. No direct or sky reflected glare, whether from floodlights or from high temperature processes such as combustion or weldin�, which is visible at the lot line shall be permitted, and; 1) there shall be no emission or transmission of heat or heated air which is discernible at the lot line of the source; and 2) these regulations shall not apply to si�ns or floodli�hts in parking areas or construction equipment at the time of construction or excavation work otherwise permitted by this title. Insects and rodents. All materials including wastes shall be stored and all grounds shall be maintained in a manner which will not attract or aid the propagation of insects or rodents or create a health hazard. There is no evidence in the record that would suggest that any problems associated with noise, emissions, vibrations, odors, glare and heat, or insects and rodents would result from this specific development. FINDING: Based on the information provided by the applicant, the use of the property will conform to the above requirements. If for some reason the above standards were in question, and it was subsequently found that the use was out of compliance with any of the above standards, the property owner would be subject to code enforcement, court review, possible fines, and revocation of the Conditional Use Permit. A search of City records does not indicate any code enforcement issues associated with the existing use. LANDSCAPING AND SCREENING — CHAPTER 18.745: Street trees: Section 18.745.040 states that all development pro ects fronting on a public street shall be required to plant street trees in accor�ance with Section 18.745.040.0 Section 18.745.040.0 required that street trees be spaced between 20 and 40 feet apart depending on the size classification of the tree at maturity (small, medium or large). The project has only 50-feet of frontage and is therefore not required to plant any street trees. This criterion is not applicable. TEMPLETON ELEMENTARY PAGE 10 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER Land Use Buffering and Screening: Buffering and Screening is required between different types of land uses. The proposed facility is in a residential zone and is adjacent to residential uses on three sides. There are no specific buffering requirements for this use. The only requirement applicable to this development is the screening of the parking area which is discussed in the next segment of this discussion. This criterion is satisfied. Screening of parking and loading areas is required. The specifications for this screening are as follows: Landscaped parking areas shall include special design features, which effectively screen the parking lot areas from view. These design features may include the use of landscaped berms, decorative walls and raised planters; The applicant is proposing to re-stripe part of the parking area, and to add an area of parking in the center of the existing parking area where a landscaped island currently exists. The applicant has proposed to fandscape and screen the new parking areas with three trees and a variety of shrubs. The applicant has not proposed any new screening to the existing parking areas that are to be re-striped. Staff is confident that the landscaping and screening that is existing, and that is proposed will satisfy any need for buffering and screening from this addition. There is no need to require additional buffering and screening from adjacent uses. This criterion is satisfied. Trees shall be planted in landscaped islands in all parking areas, and shall be equally distributed and on the basis of one tree for each seven parking spaces in order to provide a canopy effect; and The applicanYs plan indicates that there will be three trees planted within the interior of the new parking area. The trees are proposed in a location that, at maturity would meet the standards of the development code by providing a canopy effect over the parking area. This criterion is satisfied. The minimum dimension of the landscape islands shall be three feet and the landscaping shall be protected from vehicular damage by some form of wheel guard or curb. The site plan shows that the new planting islands within the existing parking area that exceeds the minimum dimensions by several feet. The islands will be protected by six-inch curb. This criterion is satisfied. MIXED SOLID WASTE AND RECYCLABLES STORAGE — CHAPTER 18.755: Chapter 18.755 requires that new construction incorporates functional and adequate space for on-site storage and efficient collection of mixed solid waste and source separated Recyclables prior to pick-up and removal by haulers. The a�plicant must choose one (1) of the following four (4) methods to demonstrate comp iance: Minimum Standard, Waste Assessment, Comprehensive Recyclin� Plan, or Franchised Hauler Review and Sign-Off. The applicant will have to submit evidence or a plan, which indicates compliance with this section. Regardless of which method chosen, the applicant will have to submit a written sign-off from the franchise hauler regarding the facility location and compatibility. The applicant has indicated that the location of the existing facility will not change and has indicated that the service provider is satisfied with continuing regular service at that location. This standard is satisfied. OFF-STREET PARKING AND LOADING (18.765� At the time of the erection of a new structure within any zoning district, off-street vehicle parking will be provided in accordance with Section 18.765.070. The subject site is located within the Metro Zone B. The maximum number of parking TEMPLETON ELEMENTARY PAGE 11 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER spaces that can be provided by the elementary school is 3.5 spaces per classroom. Therefore, the maximum number of parking spaces for the site based on 26 classrooms would be 91 spaces. The minimum parking standards are as follows: The minimum amount of parking required by the facility is 2.0 spaces per classroom. As such, the minimum parking requirement for the elementary school will be 52 parking spaces. The applicant has proposed 80 spaces. This criterion is satisfied. With regard to access to public streets from off-street parking: Access drives from the street to off-street parking or loadin� areas shall be designed and constructed to facilitate the flow of traffic and provide maximum safety for pedestrian and vehicular traffic on the site; The number and size of access drives shall be in accordance with the requirements of Chapter, 18.705, Access, Egress and Circulation; As discussed earlier in this report, this criterion is satisfied. Access drives shall be clearly and permanently marked and defined through use of rails, fences, walls or other barriers or markers on frontage not occupied by service drives; The access is pre-existing and functioning. There is no evidence in the record to suggest that further marking is necessary for this addition. This criterion is not applicable. Access drives shall have a minimum vision clearance in accordance with Chapter 18.795, Visual Clearance; Vision Clearance is discussed later in this report. This criterion is satisfied. Access drives shall be improved with an asphalt or concrete surface; The existing access and parking areas are already paved with asphalt. The applicant has indicated that all new parking areas will be paved and marked accordingly. This criterion is satisfied. Excluding single-family and duplex residences, except as provided by Subsection 18.810.030P, groups of two or more parking spaces shall be served by a service drive so that no backing movements or other maneuvering within a street or other public right-of-way will be required. The parking spaces are serviced by two-way access proposed within this project, and there is room for service vehicles to turn around and enter the street so that no backing movement will be required. This criterion is satisfied. Loading/unloading driveways: A driveway designed for continuous forward flow of passenger vehicles for the purpose of loading and unloading passengers shall be located on the site of any school or other meeting place which is designed to accommodate more than 25 people at one time. The applicant has indicated that the existing loading and unloading areas will remain. Currently, the facility has a bus loading area, and a pedestrian loading facility. This criterion is satisfied. Parking Lot Striping: Except for single-family and duplex residences, any area intended to be used to meet the off-street parking requirements as contained in this Chapter shall have all parking spaces clearlx marked; and all interior drives and access aisles shall be clearly marked and signed to show direction of flow and maintain vehicular and pedestrian safety. The applicant has indicated that the parking lot will be re-striped but has not indicated TEMPLETON ELEMENTARY PAGE 12 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER direction arrows on the plans, however, the direction of flow within the interior of the site is two-way, and can be expected to operate in the same manner as a roadway. This criterion is satisfied. Wheel Stops: Parking spaces along the boundaries of a parking lot or adjacent to interior landscaped areas or sidewalks shall be provided with a wheel stop at least four inches high located three feet back from the front of the parking stall. The front three feet of the parking stall may be concrete, asphalt or low lying landscape material that does not exceed the height of the wheel stop. This area cannot be calculated to meet landscaping or sidewalk requirements. The applicant indicates that they will place 6-inch concrete curbs at the edges of paving adjacent to planting areas on the drawings. This criterion is satisfied. Space and Aisle Dimensions: Table 18.765.1. outlines the minimum dimensions for angled parking. The proposal identifies a total of 30 new spaces utilizing 60-degree parking. Staff review of the parking plan illustrates compliance with Figure 18.765.1. This criterion is satisfied. Minimum Bicycle Parking Reyuirements: The total number of required bicycle parking spaces for each use is specified in Table 18.765.2 in Section 18.765.070.H. Bicycle parking was discussed previously in this report, and staff has recommended approval of an adjustment to the bicycle parking standards. The bicycle parking is pre-existing. This standard is satisfied. Off-street loading requirements: Off-street loading spaces: Commercial, industrial and institutional buildings or structures to be built or altered which receive and distribute material or merchandise by truck shall provide and maintain off-street loading and maneuvering space as follows: . A minimum of one loading space is required for buildings with 10,000 gross square feet or more; . A minimum of two loading spaces for buildings with 40,000 gross square feet or more. Off-street loadin� dimensions: . Each loading berth shall be approved by the City Engineer as to design and location; . Each loading space shall have sufficient area for turning and maneuvering of vehicles on the site. At a minimum, the maneuvering length shall not be less than twice the overall length of the longest vehicle using the facility site; . Entrances and exits for the Ioading areas shall be provided at locations approved by the City Engineer in accordance with Chapter 18.710; . Screening for off-street loading facilities is required and shall be the same as screening for parking lots in accordance with Chapter 18.745. Because of the size of the building, the facility would be required to provide two (2) off-street loading spaces to meet the standard. The applicant has indicated that the existing bus loading spaces on the plan would be utilized to satisfy this criteria. This criterion is satisfied. SIGNS (18.780�: Requires that a permit be issued for any sign that is erected, re-erected, constructed, structurally altered, or relocated within the City Limits. FINDING: The applicant has not provided the needed information to issue a sign permit because it is not necessary to do so at this time. TEMPLETON ELEMENTARY PAGE 13 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER CONDITION:Prior to placement of any signs on site, the applicant shall apply for a sign permit and supply staff with the appropriate pfans to verify compliance with TDC Chapter 18.780. TREE REMOVAL — CHAPTER 18.790: Section 18.790.030 requires that a tree plan for the planting, removal and protection of trees prepared by a certified arborist be provided for a conditional use application. The tree plan shall include identification of all existing trees, Identification of a program to save existing trees or mitigate tree removal over 12 inches in caliper, identification of which trees are proposed to be removed, and a protection program defining standards and methods that will be used by the applicant to protect trees during and after construction. The applicant has provided a tree survey and removal plan from Clay Halstead, Certified Arborist. According to the plan, there are 10 trees over 12 inches on site. Of these 10 trees, the applicant is proposing to remove 3 to accommodate construction. The arborist states that two of the three trees are diseased and/or hazardous. Therefore, the retention is equal to 75°/a. According to the TDC Section 18.790.030lB)(2)(D), the applicant is not required to mitigate for any of the trees removed. However, the cfiapter still requires that the applicant protect the trees that are to remain on site during construction activities. FINDING: The applicant's arborist proposed tree protection measures that would be necessary in order to ensure the viability of those trees that are in close proximity to the construction areas as required by Section 18.790.030(B)(4). The City's Arborist has reviewed the plan and requested that the following conditions be satisfied. CONDITIONS: • The applicant shall provide the City Arborist with a construction sequence including installation and removal of tree protection devices, clearing, grading, and paving. • The applicant shall notify the City Arborist when tree protection measures are in place so that he may verify that the measures will function properly prior to construction. VISUAL CLEARANCE AREAS — CHAPTER 18.795: Section 18.795.020.A. states that the provisions of this chapter shall apply to all development including the construction of new structures, the remodeling of existing structures and to a change of use which increases the on-site parking or loading requirements or which changes the access requirements. Section 18.795.030.B. states that a clear vision area shall contain no vehicle, hedge, planting, fence, wall structure or temporary or permanent obstruction (except for an occasional utility pole or tree), exceeding three feet in height, measured from the top of the curb, or where no curb exists, from the street center line grade, except that trees exceeding this height may be located in this area, provided all branches below eight feet are removed. The applicant has indicated in the narrative and the site plan that a clear vision area will be maintamed. Staff will review the areas at the time of final occupancy to ensure compliance with the standards. This criterion is satisfied. FINDING: Based on the analysis above, the vision clearance standards have been met. STREET AND UTILITY IMPROVEMENTS STANDARDS CHAPTER- 18.810: Chapter 18.810 provides construction standards for the implementation of public and private facilities and utilities such as streets, sewers, and drainage. The applicable standards are addressed below: TEMPLETON ELEMENTARY PAGE 14 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER Streets: Improvements: Section 18.810.030.A.1 states that streets within a development and streets adjacent shall be improved in accordance with the TDC standards. Section 18.810.030.A.2 states that any new street or additional street width planned as TDCrtion of an existing street shall be dedicated and improved in accordance with the Minimum Rights-of-Way and Street Widths: Section 18.810.030.E requires an arterial street to have a 64 to 128-foot right-of-way width and varied paved section. Other improvements required may include on-street parking, sidewalks and bikeways, underground utilities, street lighting, storm drainage, and street trees. This site lies adjacent to SW Murdock Street, which is classified as a local street on the City of Tigard Transportation Plan Map. At �resent, there is approximately 50 feet of ROW, according to the most recent tax assessor s map. The applicant's property lies perpendicular to the street right-of-way, therefore, no ROW dedication is required. SW Murdock is currently improved. In order to mitigate the impact from this development, the applicant should construct a new driveway apron, per City of Tigard design standards. Future Street Plan and Extension of Streets: Section 18.810.030.F states that a future street plan shall be filed which shows the pattern of existing and proposed future streets from the boundaries of the proposed land division. This section also states that where it is necessary to give access or permit a satisfactory future division of adjoining land, streets shall be extended to the boundary lines of the tract to be developed and a barricade shall be constructed at the end of the street. These street stubs to adjoining properties are not considered to be cul-de-sacs since they are intended to continue as through streets at such time as the adjoining property is developed. A barricade shall be constructed at the end of the street by the property owners which shall not be removed until authorized by the City Engineer, the cost of which shall be included in the street construction cost. Temporary hammerhead turnouts or temporary cul-de-sac bulbs shall be constructed for stub streets in excess of 150 feet in length. The applicant has submitted an addendum to their application to address the block length standards. The existing development of the school site and surrounding neighborhood makes a street extension infeasible. The extent of the proposed improvements also does not warrant street improvements at this time. Street Alignment and Connections: Section 18.810.030.H.1 states that full street connections with spacing of no more than 530 feet between connections is required except where prevented by barriers such as topography, railroads, freeways, pre-existing developments, lease provisions, easements, covenants or other restrictions existing prior to May 1, 1995 which preclude street connections. A full street connection may also be exempted due to a regulated water feature if regulations would not permit construction. Section 18.810.030.H.2 states that all local, neighborhood routes and collector streets which abut a development site shall be extended within the site to provide through circulation when not precluded by environmental or topographical constraints, existing development patterns or strict adherence to other standards in this code. A street connection or extension is precluded when it is not possible to redesi�n, or reconfigure the street pattern to provide required extensions. Land is considered topographically constrained if the slope is greater than 15% for a distance of 250 feet or more. In the case of environmental or topographical constraints, the mere presence of a constraint is not sufficient to show that a street connection is not poss�ble. The applicant must show why the constraint precludes some reasonable street connection. TEMPLETON ELEMENTARY PAGE 15 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER The applicanYs addendum addresses this issue. The existing school site development and surrounding neighborhood development precludes providing through circulation. Cul-de-sacs: 18.810.030.L states that a cul-de-sac shall be no more than 200 feet long, shall not provide access to greater than 20 dwelling units, and shall only be used when environmental or topographical constraints, existing development pattern, or strict adherence to other standards in this code preclude street extension and through circulation: • All cul-de-sacs shall terminate with a turnaround. Use of turnaround configurations other than circular, shall be approved by the City Engineer; and • The length of the cul-de-sac shall be measured from the centerl�ne intersection point of the two streets to the radius point of the bulb, and • If a cul-de-sac is more than 300 feet long, a lighted direct pathway to an adjacent street may be required to be provided and dedicated to the City. The scope of this project does not warrant the construction of a cul-de-sac at this time. Block Designs - Section 18.810.040.A states that the length, width and shape of blocks shall be designed with due regard to providing adequate building sites for the use contemplated, consideration of needs for convenient access, circulation, control and safety of street traffic and recognition of limitations and opportunities of topography. Block Sizes: Section 18.810.040.B.1 states that the �erimeter of blocks formed by streets shall not exceed 1,800 feet measured along the right-of-way line except: . Where street location is, precluded by natural topography, wetlands or other bodies of water or, pre-existing development or; . For blocks adjacent to arteriaf streets, limited access highways, major collectors or railroads. . For non-residential blocks in which internal public circulation provides equivalent access. Section 18.810.040.B.2 also states that bicycle and pedestrian connections on public easements or right-of-ways shall be provided when full street connection is not possible. Spacing between connections shall be no more than 330 feet, except where precluded by ,environmental or topographical constraints, existing development patterns, or strict adherence to other standards in the code. Due to existing development patterns, full street connection is not feasible at this time. If the site is redeveloped sometime in the future, it may be possible to make needed street connections. However, there are seven pedestnan connections to this site from the surrounding developments providing connectivity to and through the site. This criterion is satisfied. Sidewalks: Section 18.810.070.A requires that sidewalks be constructed to meet City design standards and be located on both sides of arterial, collector and local residential streets. On site sidewalk improvements are pre-existing on this site. No further improvements are warranted by this development proposal. Sanitary Sewers: Sewers Required: Section 18.810.090.A requires that sanitary sewer be installed to serve each new development and to connect developments to existing mains in accordance with the provisions set forth in Design and Construction Standards for Sanitary and Surface Water Management (as adopted by Clean Water Services in 1996 and including any future revisions or amendments) and the adopted policies of the comprehensive plan. Over-sizing: TEMPLETON ELEMENTARY PAGE 16 OF 22 1l12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER Section 18.810.090.0 states that proposed sewer systems shall include consideration of additional development within the area as projected by the Comprehensive Plan. The applicant has stated that no additional sewer capacity is required to serve the proposed improvements. Storm Drainage: General Provisions: Section 18.810.100.A states requires developers to make adequate provisions for storm water and flood water runoff. The site slopes downward to the southeast. There are no upstream drainage areas impacting this site, as most of the area upstream is developed and runoff from impervious areas is collected on those sites. Effect on Downstream Drainage: Section 18.810.100.D states that where it is anticipated by the City Engineer that the additional runoff resulting from the development will overload an existing drainage facility, the Director and Engineer shall withhold approval of the development until provisions have been made for improvement of the potential condition or until provisions have been made for storage of additional runoff caused by the development in accordance with the Design and Construction Standards for Sanitary and Surface Water Management (as adopted by Clean Water Services in 2000 and including any future revisions or amendments). In 1997, Clean Water Services (CWS) completed a basin study of Fanno Creek and adopted the Fanno Creek Watershed Management Plan. Section V of that plan includes a recommendation that local governments institute a stormwater detention/effective impervious area reduction program resulting in no net increase in storm peak flows up to the 25-year event. The City will require that all new developments resulting in an increase of impervious surfaces provide onsite detention facilities, unless the development is located adjacent to Fanno Creek. For those developments adjacent to Fanno Creek, the storm water runoff will be permitted to discharge without detention. The applicanYs engineer has indicated that an underground ADS pipe storage system will be installed to provide detention. Bikeways and Pedestrian Pathways: Bikeway Extension: Section 18.810.110.A states that develo�ments adjoining proposed bikeways identified on the City's adopted pedestrian/bikeway plan shall include provisions for the future extension of such bikeways through the dedication of easerr�ents or right-of-way. This site is not adjacent to any proposed bikeways. This criterion is not applicable. Utilities: Section 18.810.120 states that all utility lines, but not limited to those required for electric, communication, lighting and cable television services and related facilities shall be placed underground, except for surFace mounted transformers, surFace mounted connection boxes and meter cabinets which may be placed above �round, temporary utility service facilities during construction, high capacity electr�c lines operating at 50,000 volts or above, and: . The developer shall make all necessary arrangements with the serving utility to provide the underground services; . The City reserves the right to approve location of all surface mounted facilities; . All underground utilities, including sanitary sewers and storm drains installed in streets by the developer, shall be constructed prior to the surfacing of the streets; and TEMP�ETON ELEMENTARY PAGE 17 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER . Stubs for service connections shall be long enough to avoid disturbing the street improvements when service connections are made. All utilities are pre-existing any new updates will be subject to approval from the appropriate provider. This criterion is satisfied. ADDITIONAL CITY AND/OR AGENCY CONCERNS WITH STREET AND UTILITY IMPROVEMENT STANDARDS: Public Water Svstem: The applicant has indicated that there will be no impact to the water system as a result of this development. Storm Water Qualitv: The City has agreed to enforce Surface Water Management (SWM) regulations established by Clean Water Services CWS) Design and Construction Standards (adopted by Resolution and Order No. 0�-7) which require the construction of on-site water quality facilities. The facilities shall be designed to remove 65 percent of the phosphorus contained en 100 percent of the storm water runoff generated from newly created impervious surfaces. In addition, a maintenance plan shall be submitted indicating the frequency and method to be used in keeping the facility maintained through the year. Pr�ior to issuance of buiiding permit, the applicant shall submit plans and calculations for a water quality facility that will meet the intent of the CWS Design Standards. In addition, the applicant shali submit a maintenance plan for the facility that must be reviewed and approved by the City pr:or to cor�struction. To ensure compliance with Clean Water Services design and construction standards, the applicant shall employ the design engineer responsible for the design and specifications of the private water quality facility to perform construction and visual observation of the water quality facility for compliance with the design and specifications. These inspections shall be made at signi icant stages throughout the �roject and at completion of the construction. Prior to fina! building inspecti�n, the design engineer shall provide the City of Tigard (Inspection Supervisor) with written cor,firmation that the water quality facility is in compliance with the desiyn and specifica4ions The prop�sed unit f�orn Stormwater Management is acceptable, provided the property owner agree� to hire the manufacturer (or approved equal) to provide the required maintenance of thA unit. Prior to a final building inspection, the applicant shall demonstrate that they have entered into a maintenance agreement with Stormwater Management, or another company that demonstrates they can meet the maintenance requirements of the manufacturer. Site Permit Required: The applicant is required to obtain a Site Permit from the Building Division to cover all on-site priva±e ut�lity �nsta!lations (water, sewer, storm, etc.) and driveway construction. This permit shall b� obtai�e� prior to approval of the final plat. Gradi�ig and�Ero�ion Control: CWS �esign and Construction Standards also regulate erosi�n control to reduce the amount of sediment and other pollutants reaching the public storm and surface water �ystem resutting from development, construction, grading, excavating, clearing, and any other activity which accelerates erosion. Per CWS regulations, the applicant is required to submit an erosion control plan for City review and approval prior to issuance of City permits. TEMPLETON ELEMENTARY PP.CE 18 OF 22 1/12/04 PUBLIC HF�RIhG STAFF REPORT �O TtiE HEARINGS OFFICER The Federal Clean Water Act requires that a National Pollutant Discharge Elimination System (NPDES) erosion control permit be issued for any development that will disturb five or more acres of land. Since this site is over five acres, the developer will be required to obtain an NPDES permit from the City prior to construction. This permit will be issued along with the site and/or building permit. It appears that this project may disturb more than one acre of the site. Therefore, a NPDES permit would be required. D. IMPACT STUDY: Section 18.390.040.6.2.e states that the applicant shall provide an impact study to quantify the effect of development on public facilities and services. For each public facility system and type of impact, the study shall propose improvements necessary to meet Cit� standards, and to minimize the imQact of the development on the public at large, public facilities systems, and affected private property users. In situations where the Community Development Code requires the dedication of real propertx interests, the applicant sFiall either specifically concur with a requirement for public right-of-way dedication, or provide evidence that supports that the real property dedication is not roughly proportional to the projected impacts of the development. The applicant has submitted an impact study addressing the required elements above. The report substantiates that all services are capable of serving the site. The applicant has Proposed to make the necessary improvements, and there is no applicable Transportation mpact Fee associated with this development, because they are not increasing the number of students that would be served by the site. Based on the conditions of approval and findings of fact within this decision, there are no unmitigated impacts as a result of this development to any public systems. SECTION VII. OTHER STAFF COMMENTS The City of Tigard Building Division has reviewed this application and stated that they have concerns with exiting that will be addressed as part of the plan review for the new addition if approved. The City of Tigard Engineering Department was sent this proposal for review and the comments have been incorporated into this report. City of Tigard Operations Manager and Water Department has reviewed this application and provided comments regarding connection and maintenance of any new and upgraded services. Contact Rich Sattler at the Water Department for review of the water system. (503)639-4171 ext. 2609. City of Tigard Police Department has reviewed this application and requested that a full lighting plan be submitted for review. City of Tigard Arborist has reviewed this application and requested that the applicant reconsider the planting of the Staghorn Sumac as it is aggressive. SECTION VIII. AGENCY COMMENTS Tualatin Valley Fire and Rescue has reviewed this application and offered the following comments: �� Access roads shall be within 150 feet of all portions of the exterior wall of the first story of the building as measured by an approved route around the exterior of the building. An approved turnaround is required if the remaining distance to an approved intersecting TEMPLETON ELEMENTARY PAGE 19 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER roadway, as measured along the fire apparatus access road, is greater than 150 feet. (UFC Sec. 902.2.1) The proposed new fire apparatus access lane location is approved. If the proposed gate wi!! be /ocked, it shall be provided wifh a Knox brand padlock. Please contact the Fire Marshal's Office for an order form 2� Dead end fire apparatus access roads in excess of 150 feet in length shall be provided with an approved turnaround. Diagrams of approved turnarounds are available from the fire district. (UFC Sec. 902.2.2.4) The proposed fire apparatus turnaround serving the fire lane is approved as submitted. s> Fire apparatus access roads shall have an unobstructed width of not less than 20 feet (15 feet for one or two dwelling units and out buildings), and an unobstructed vertical clearance of not less than 13 feet 6 inches. (UFC Sec. 902.2.2.1) The dimensions of the proposed fire lane are approved with a width of 15 feet. a� Fire apparatus access roads shall be of an all-weather surface that is easily distinguishable from the surrounding area and is capable of supporting not less than 12,500 pounds point load (wheel load) and 50,000 pounds live load (gross vehicle weight). You may need to provide documentation from a registered engineer that the design will be capable of supporting such loading. Documentation from a registered engineer that the finished construction is in accordance with the approved plans or the requirements of the Fire Code may be requested. (Design criteria on back) (UFC Sec. 902.2.2) s� The inside turning radius and outside turning radius shall be not less than 25 feet and 45 feet respectively, measured from the same center point. (UFC Sec. 902.2.2.3) — (See diagrams on back) s> Where required, fire apparatus access roadway curbs shall be painted yellow and marked "NO PARKING FIRE LANE" at each 25 feet. Lettering shall have a stroke of not less than one inch wide by six inches high. Lettering shall be white on red or black on yellow background. (UFC Sec. 901.4.5.2) The fire lane shall be provided with No Parking — Fire Lane signs along its entire length and in the turnaround. �� The required fire flow for the building shall not exceed 3,000 gallons per minute (GPM) or the available GPM in the water delivery system at 20 psi, whichever is less. A worksheet for calculating the required fire flow is available from the Fire Marshal's Office. (UFC Sec. 903.3) The minimum required fire flow for this project is 1500 GPM at 20 psi. Fire flow verification shall be provided prior to the issuance of consfruction permits. a� No portion of the exterior of a commercial building shall be located more than 250 feet from a fire hydrant when measured in an approved manner around the outside of the building and along an approved fire apparatus access roadway. Any hydrants that are left over from the minimum number of hydrant calculations may be full filled by hydrants TEMPLETON ELEMENTARY PAGE 20 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER that are up to 500 feet from any point of the building. The fire Prevention Ordinance has further requirements that need to be used for acceptance and placement of fire hydrants. (UFC Sec. 903.4.2.1) The proposed distribution and number of fire hydrants is approved as submitted. s� The minimum number of fire hydrants for a building shall be based on the required fire flow prior to giving credit for fire protection systems divided by 1500. If the answer is equal to or greater than x.5 the next whole number of hydrants shall be used. There shall not be less than 2 hydrants per building. (UFC Sec. 903.4.2.1) Considerations for placing fire hydrants shall be as follows� • Existing hydrants in the area may be used to meet the required number of hydrants; however, hydrants that are over 500 feet away from the nearest point of the subject building shall not contribute to the required number of hydrants. • Hydrants that are separated from the subject building by railroad tracks shall not contribute to the required number of hydrants. • Hydrants that are separated from the subject building by divided highway, freeway, or heavily traveled collector streets shall not contribute to the required number of hydrants. • Hydrants that are accessible only by a bridge shall be acceptable to contribute to the required number of hydrants only if approved by the Chief. • Private hydrants or public hydrants that are on adjacent private property shall not contribute to the required number of hydrants for the subject building. Exception: The use of hydrants located on other private property may be considered if their locations and access are encumbered in a legal document (such as deed restriction) by the owners of the involved parcels of property. The encumbrance may be lifted only after approvals by the Chief on behalf of the fire department and any other governmental agencies that may require approval. • When evaluating the placement of hydrants at apartment or industrial complexes the first hydrant(s) to be placed shall be at the primary access and any secondary access to the site. After these hydrants have been placed other hydrants shall be sited to meet the above requirements for spacing and minimum number of hydrants. (UFC Sec. 903.4.2.1.1) �o� Fire hydrants shall be located not more than 15 feet from an approved fire apparatus access roadway. (UFC Sec. 903.4.2.4) �� Fire hydrant locations shall be identified by the installation of reflective markers. The markers shall be blue. They shall be located adjacent and to the side of the centerline of the access road way that the fire hydrant is located on. In case that there is no center line, then assume a centerline, and place the reflectors accordingly. (UFC Sec. 901.4.3) �2) A fire hydrant shall be located within 70 feet of a fire department connection (FDC). Fire hydrants and FDC's shall be located on the same side of the fire apparatus access roadway. (UFC Sec. 903.4.2.5) FDC locations shall be approved by the Chief. (1996 Oregon Structural Specialty Code, Sec. 904.1.1) TEMPLETON ELEMENTARY PAGE 21 OF 22 1/12/04 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER �3� Approved fire apparatus access roadways and fire fighting water supplies shall be installed and operational prior to any other construction on the site or subdivision. (UFC Sec. 8704) �a� A Knox Box for building access is required for this building. Please contact the Fire Marshal's Office for an order form and instructions regarding installation and placement. (UFC Sec. 902.4) �s> A building survey and plans, in accordance with NF&R Ordinance 99-01, Appendix III-F, shall be submitted. A copy of Appendix III-F, the building survey form and the instructions are available on the Fire District web site at www.tvfr.com. (UFC Appendix III-F) 16) Please contact me at (503) 612-7010 with any additional questions. Clean Water Services and Portland General Electric were given the opportunity to review this proposal and submitted no comments or objections. � � Janua 5 2004 PREPARED BY: Brad Kilby ATE Associate Planner -, �- �� ._ � � �/' 1,c�� - "�-� Janua 5 2004 APPROVED BY: Richard Bewers ATE Planning Mana .er TEMPLETON ELEMENTARY PAGE 22 OF 22 1/12/Q4 PUBLIC HEARING STAFF REPORT TO THE HEARINGS OFFICER — _. � — �� I 'i , ' • , D GEOGRAGHiC irvFpRM�TiON 5�5*E�^ m � � ' YICINITY MAP �I = = = = = _ _ _ � ' � P►� CUP2003-00011 'EMBROOK ST D C � VARZ003"OO I OO � < Q m o � _ _ _ = = = = = � � TEMPLETON ST P�NEBR� E LE M E NTARY � \ ,,�\ ��;�� SCHOOL ADDITION � CK ST , �� ``.`�� .,* `�� \ \, - ��\��.�.� �.�. �� V �,�. �,�..,�.��.�.. `� �.�. , - � \ . � ..,\, � ,^\'�� . .\,�, \ i,:' •,.. ^ :""i � � :� �`�:;,��.�``�� N -.��,��'�� ;;S��,,�;; ,` �:`,. 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S� Q ALD��g�� 'i�a�o sizz� , I - \ T—\ (503)6744171 �ttp:/Avww.d.tiga rd.or.us Community Development Plot date:Nov 14,2003;C:lmagiclMAGIC03.APR - �'� _ _ _ _.... — — — — — — .b.a,. — — — -- ..e.e.,...� --- � I�— '�=-�— — — — -- - - -- - — - -_ - —�,.� ... -�.: I � -..:-_.- �% ��i' //�� _ —,�...,. ,d �M;S • fm�� _ .+r __.__.._.._� � a.ri � � ��f',. c� � ' �,\�� \�\, � \ \ �� `�� eN: ` _ .,�,. � � � � � � � � � '� � _ I 9 \ `, � \ \ ��, \ `, ,��. � I � �� ; , ' tl� �rrr,wr scr+oo� � .. �� I F� � } �+d.''Yv�f �'f�l? EA81►10 , I � !� ....�, , �i _T �\� � ii�1'F.,� �y�� CLA9Sf100A1 � � , ;`� .,`� .�FZ -S'�.� BUIOFK' �� T ..\ -� `Y'w � �t .� )7s. ys. _"_""'__..__'._' J! �� c 1� Sr�e', .` f i '+� p . 1� . I ,7 \c�, . �� - . . , �I��;�j . , ? q� .S` C � I � � � � �X�, ��i4_ I t' � �" � ' .'. � �aw�<,r�,n iJ�:1 I �•} r,{� � ._ : i sw�roocK srn�r7 .,,�„� I "'+ r C�j%� " +t�t�t'orr I . ..... -� -- s ,e� - l i� � f r'. + `J � _ = y ' �[ R � . . ' �'�»rw Y `' � ', t1�°•� �,�,�S�'�. '`\,1 „� '�^ � �' `�: I _'—"'__- �1 � '"�,} �y^� Q � .�» f' i� nr"'c.�,� "��},�k1 � -,c'�7, � I � I �ir a` �� .� ��sr;. �' W '�. ':d!` �% -- ` . � I � r�^°�+ ` z �v;� i +^-�r �%�=' �, z � ; , ��. --� ,t� ...m - - �u ; i i ,�� .�"' : � �,.xi a �:�-��--------�- -�--�, '' � �`°�'° � Y I f . , � . ;Y" `� � � °' � �� 3 � ,�-= �..� ��;�:. � � �� ' �� .. � I �� : i i ! � . ��__� � ! ;_j' � I �� I �1'� OFIIPK KOti�TION I i r,w wrv.wrd I caw^e'o I �� l r�w�•�w�wr�ces w F ............. . ,......��,�...,�..�.., .. �m� �'TY �F T��QRD T CUP2003-00011NAR2003-00100 � P'�'' N TEMPLETON ELEMENTARY SCHOOL ADDITION Ma is not to scale � EXHIBIT� Tigard-Tualatin School District CUP2003-00011NAR2003-00100 Attn: Stephen Poage TEMPLETON ELEMENTARY SCHOOL 6960 SW Sandburg Street ADDITION Tigard, OR 97223 Ed Murphy & Associates "NOTICE OF FINAL ORDER BY THE 9875 SW Murdock Street HEARINGS OFFICER" Tigard, OR 97224 pRE-APP.HEI.D BY: � � CITY OI- fIGARD PLANNING L� �ISION 13125 SW HALL BOULEVARD TIGARD, OR 97223-8189 y Y� `13�. � 503.639.4171/503.684.7297 � �• ` CITY OF TIOARD 2 �S� OREGON LAND USE PERMIT APPLICATION L't,v�0 2�3 —c�J I � '�!a/a g � �. �.� File# Other Case# �_ �a3_��g 2 2,�� -U c�� v Date ° z 3 B Recei t# 3 - Date A lication Com lete TYPE OF PERMIT YOU ARE APPLYING FOR 362f.�� 2 3�.s� �AdjustmenWariance (I or II) ❑ Minor Land Partition (II) ❑ Subdivision (II or III) ❑ Comprehensive Plan Amendment(IV) ❑ Minor Modification (I) ❑Zone Change (III) �Conditional Use (III) ❑ Planned Development(III) ❑Zone Change Annexation (IV) ❑ Historic Overlay(II or III) ❑ Sensitive Lands Review(I, II or III) ❑Zone Ordinance Amendment(IV) � Home Occupation (I or II) ❑ Site Development Review(II) ❑ Miscellaneous (I)- (Lot Line Adjustment/Temporary Use/Tree Removal/Director's Interpretation, etc.) ress i avai a e �7(90 �j(.t� O C � ZS �tG OZ ol �.�z ac�s . 5 3 r ard- valaf`� c �,00l i r;cfi ��'(�o SQ u Sf ►' 4 rd D� TZZ � S�3 ' f-� daa 3 ' � - � ay7 Sfe �t� l�oa e- �'03- y3�'�ad0 is i more an one yl�G 45 4 b01/� � �— � � 'When the owner and the applicant are different people, the applicant must be the purchaser of record or a lessee in possession with written authorization from the owner or an agent of the owner. The owners must sign this application in the s ace rovided on the back ot this form or submit a written authorization with this a lication. ease e speG ic 1 Q ✓ � U f � � -e�'.+�r` cu�t � . d ' "ot� � o �G ' 'C C � APPLICATIONS WILL NOT BE ACCEPTED WITHOUT ALL OF THE REQUIRED SUBMITTAL ELEMENTS AS DESCRIBED IN THE "BASIC SUBMITTAL REQUIREMENTS" INFORMATION SHEET. 5ep U� U� Uy: 4tla �urony JUJJVViu �� N- � . � THE APPLICANT SHALL CERTIFY THAT: ♦ If the application is granted, the applicant shall exercise the rights granted in accordance with the terms and subject to all the conditians and limitations of the approval. ♦ All the above statements and the statements in the plot plan, attachments, and exhibits transmitted herewith, are true; and the applicants so acknowledge that any pe�mit issued, based on this application, map be revoked if it is found that any such statements are false. ♦ The applicant has read the entire contents of the applicativn, including the policies and criteria, and understands the requirements for approving or denying the application(s). ., SIGNATURES �� €_�H OWNER OF THE SUBJECT PROPERTY ARE REQUIRED. .�� : �s � x a� Owne S gnature Dat , Owner's Signature Date Owner's Signature Date Owner's Signature Date Owner's Signature Date � Applicant/AgentlRepresentative's Signature Date Applicant/AgenURepresentative's Signature Date CITY OF TIGARD 10/23/2003 13125 SW Hall Blvd. 9:21:28AM Tigazd,Oregon 97223 ' (503) 639-4171 Receipt #: 27200300000000004679 Line Items: %E/yPtETa�c/ Date: 10/23/2003 Case No Tran Code Description Revenue Account No Amount Paid (�0 �p [LANDUS] Site Development Rev 100-0000-438000 L�pasi' 4,335.15 S� VAR2003-00100 [LANDUS]ADNSTMENT 100-0000-438000 ��'�'�� 238.50 C'�,[P2003'Dd O// Line Item Total: $4,573.65 Payments: Method Payer User ID Acc�/Check Approval No. How Received Amount Pa►a TRUST TIGARD-TUALATIN SCHOOL TTSD23J In Person 4,573.65 Payment Total: $4,573.65 Page 1 of 1 cReceipt.rpt CRY OF TIOARD �'ominiu:ity�Developmerrt S�apin��,4-t�cttcr�'onrntu�tity LAND USE PROPOSAL DESCRIPTION 120 DAYS = 3/9/2004 FILE NOS.: CONDITIONAL USE PERMIT (CUP) 2003-0001 I ADJUSTMENT (VAR) 2003-00100 FILE TITLE: TEMPLETON ELEMENTARY SCHOOL ADDITION APPLICANT/ Tigard-Tualatin School District No. 23J OWNER: At�n: Stephen Poage 6960 SW Sandburg Street Tigard, OR 97223 APPLICANT'S Ed Murphy & Associates REP.: Attn: Ed Murphy 9875 SW Murdock Street Tigard, OR 97224 REQUEST: The applicant is requestin Conditional Use approval to add an 8,300 square foot addition to the existing 51,�30 square foot school, to modify the parking areas, and to add a fire access lane along the north property line. The applicant is also seeking an Adjustment to reduce the required number of bicycle stalls on site. LOCATION: 9500 SW Murdock Street; WCTM 2S111AC, Tax Lot 2901. ZONE: R-4.5: Low-Density Residential District. The R-4.5 zoning district is designed to accommodate detached single-family homes with or without accessory residential units at a minimum lot size of 7,500 square feet. Duplexes and attached single-family units are permitted conditionally. Some civic and institutional uses are also permitted conditionally. APPLICABLE REVIEW CRITERIA: Community Development Code Chapters 18.330, 18.360, 18.370, 18.390, 18.510, 18.705, 18.725, 18.745, 18.755, 18,765, 18.790, 18.795 and 18.810. CIT AREA: South DECISION MAKING BODY BELOW: ❑ TYPE I ❑ TYPE II � TYPE III ❑ TYPE IV DATE COMMENTS WERE SENT: NOVEMBER 18, 2003 DATE COMMENTS ARE DUE:DECEMBER 2, 2003 �HEARINGS OFFICER (MON.) DATE OF HEARING: JANUARY 12, 2004 TIME: 7:00 PM ❑PLANNING COMMISSION (MON.) DATE OF HEARING: TIME: 7:00 PM ❑CITY COUNCIL (TUES.) DATE OF HEARING: TIME: 7:30 PM ❑STAFF DECISION (TENTATIVE) DATE OF DECISION: COMPONENTS RELATED TO THE PROJECT AVAILABLE FOR VIEWING IN THE PLANNING DIVISION VICINITY MAP UTILITY PLANS � LANDSCAPE PLAN � SITE PLAN � TREE PLAN � IMPACT STUDY � NARRATIVE � STORM H20 ANALYSIS STAFF CONTACT: Brad Kilbv, Associate Planner (503) 639-4171, extension 2434 November 10, 2003 CITY OF TIGARD Tigard-Tualatin School District Attn: Stephen Poage OREGON 6960 SW Sandburg St. Tigard, OR 97223 RE: CUP2003-00011 and VAR2003-00100 (Templeton Elementary) Dear Mr. Poage: The City of Tigard received your application submittal for Conditional Use review on October 23, 2003. The development site is described as WCTM 2S111AC, tax lot 02901. This letter is to inform you that the application has been deemed complete, and is now scheduled for review. I have requested 15 additional copies of all the materials from Ed Murphy. A hearing on this matter has been scheduled with the Tigard Hearings Officer on January 12, 2004. If you have any questions, please contact me at (503)639-4171, x2434. Sinc ely, lt.�f �-� Brad Kilby, AICP Associate Planner cc: Ed Murphy Land Use Casefile No. CUP2003-00003 13125 SW Hall Blvd., Tigard, OR 97223 (503)639-4171 TDD(503)684-2772 Project:� �� 005— QC��iI � J�r �� -�� L-AN� USE APPLIC�'ION Date: �;! �,� : _. COMPLETENESS REVIEW � �OMPLETE ❑ INCOMPLETE STANDARD INFORMATION: ❑ Deed/Title/Proaf Of Ownership � Neighborhaod Mtg. Affidavits, Minutes, List O(Attendees [J� Impact Study(18.390) � USA Service Pravider Letter N,� _fonstrudian fost Estimate ❑ # Sets Of Application Materials/Plans [� Pre-Appliwtion Con(erence Notes Q� Envelopes With Pottage (Verify Count} p�JECT STATISTICS: � Building Footprint Size ❑ °/a Of landscaping On Site ❑ % Of Building Impervious Surface On Site [� Lot Square Footage PLANS DIMENSIONED: ❑ Building Footprint � �, Parking Space Dimensions(Indude Accessiblc&Bike Parking) ❑ Truck loading Space Where Applicable Q/ Building Height Q' Access Approach And Aisle ❑ Yisual Clearance Triangle Shown AD�ITIONAL PLANS: - �� licinity Map [�. Architectural Plan Q Tree Inventory Q/Existing Conditions Plan �_�.andscape Plan � Site Plan t� ❑ lighting Plan �-------.. TREE PLANIMITIGATION PLAN: ❑ � ❑ � -- �DDITIONAL REPORTS: (list any special reports) a o o a ❑ o ��.PONSE TO APPLICABLE CODE SECTIONS: Q I 8.330�c�a�o�u�� ❑ I 8.620(rgud T��e oes�ga St�dudsJ Q I 8.165�oR-Soreec Puwng/�o�eing Req��nu► ❑ I 8.340��r:�wPRtio�� ❑ , I 8.630(Wsshingo�Squue kgion�[enter� ❑ I 8.775(knsiure lanes kvicw► ❑ I 8.350{w�ee o��op��q �"� I 8J05{�cass/E�.ss/Grw�oo�) 0 I 8.780(��) ❑ , 18.360�u o��k�► ❑ I 8.7!Oµcaswry kside�o�u��n) ❑ I 8.185 R��u�v«mu� � I8.370 nu��«s�Adjusu�ncs) ❑ 18.715(oen�ry Comp�tioo�s) [� 18.790(�ree�emo� � I H.3SO(Ioning M�p/Te�ct Amendmen�) ❑; 18.720��c��cadry sn�e�as� 0 I 8.795�r��il a��«,�u� ❑ I 8385�n��aN��e�aJ � I B.�2S(Environmenol Pedornunce Snnduds) ❑ I H.�9�(W�oer Msaras(IHR)Orerl�y District) l� I B.39O(Detisioa M�king Procedura/knpact Swdr) ❑ I H.�3O(Eaapuons To Devdopment Snnduds) ❑ �5.�98(Vfirtku Cmn�uniation F�aRGa) ❑ I 8.410�c��a��:a��n� ❑ I 8.140��c�o�� O I H.H I O(�oreet b Uuliry Myrorement St�nduds) � I EA2O(lind Puuuons) ❑ I 8J42(xome ocap�tio�vvmia) Q�. I 8.430�,�e�� 0 I 8.745(unesapi�g d kmning S�duds) � I S.S I O(ksidenwl Ianing Districu) ❑ �8.�5�(MmuGcwred/Mobil Hane kgul�oons) ❑ I 8.520�ca,�ro�i��g a�o;�� ❑ I 5.155�i=ee sotid wuoe/kqdi�q soo�q�� I a.S3O(Mdusui�l loning DisVicts) ❑ I H.)6O(Noncon(omiing Sim�uons} ADDITIONAL ITEMS: 1:lcurpinvnastersVevisedUand use application c�ompleteness review.dot REVISEO: 17-Jan-01 'PUB�IC FACILITY PLAN Project: r emplefon Elementary School COMPLETENESS CHECKLlST Dafe: 10/27/03 GRADING � Existing and proposed contours shown. � Does proposed grading impact adjacent parcels? ❑ Yes � No � Adjacent parcel grades shown. STREETISSUES � Right-of-way clearly shown. � Centerline of street(s) clearly shown. � Street name(s) shown. � Existing/proposed curb or edge of pavement shown. ❑ Street profiles shown. NA ❑ Future Street Plan: Must show street profiles, topo n/a on adjacent parcel(s), etc. ❑ Traffic Impact Report NA ❑ Street grades compliant? NA ❑ Street widths dimensioned and appropriate? NA ❑ Private Streets? Less than 6 lots and width NA appropriate? ❑ Other: SANITARY SEWER ISSUES ❑ Existing/proposed lines shown. NA ❑ Stubs to adjacent parcels required/shown? NA WATER ISSUES � Existing/proposed lines w/ sizes noted? � Existing/proposed fire hydrants shown? ❑ Proposed meter location and size shown? NA � Proposed fire protection system shown? STORM DRAINAGE AND WATER QUALITY ISSUES Existing/proposed lines shown? Preliminary sizing calcs for water quality/detention provided? � Water quality/detention facility shown on plans? ❑ Area for facility match requirements from calcs? Na ❑ Facility shown outside any wetland buffer? n/a ❑ Storm stubs to adjacent parcels required/shown? NA I The submit I is hereby deemed COMPLETE ❑ INCOMPLETE By: Date: JO • Z`�j• O�j REVISED: 10/27/03 � ED MURPHY & ASSOCIATES �� l.n�irl ('.��r� 1'lalzt�ii�q ari�l 1)��r��lu�inl��z( Sr�r��i��r-.� November 12, 2003 Brad Kilby �v Department of Community Development �� City of Tigard a J� 1 � �0�3 f �. 13125 SW Hall Blvd. Tigard, Oregon 97223 CiTY OF TIGARD �� ,oit�J}p.�r ,�-t,=��.i�FRl�i�= RE: Templeton Elementary School -- Major Modification to a Conditional Use Permit Dear Mr. Brad: With this letter I am submitting an additional seventeen copies of the Templeton Elementary School Conditional Use Permit application, including seventeen sets of full-sized plan drawings. The only thing changed in these copies from the three copies submitted on October 21st is that I added an addendum on page 20. This addendum provides an additional response to Chapter 18.810"Street and Utility Improvement Standazds", as you requested. As per our discussion, I reviewed the utilities information again, and believe it is adequate. No changes to the sewer system are planned. The storm water improvements are described in some detail on page 6. The only changes to the water system include the addition of a 6" ductile iron water pipe connecting the water main at the end of SW Murdock Street to the school building. A new fire hydrant will be installed off that new line, in the island area. These on-site water improvements are shown on Sheet CS of the drawings. Please call me if you need anything else. Thanks Brad. Sin e , Ed Murphy,A CP cc. Nick Hams, Cornerstone Construction Management Keith Johnson, Dull Olson Weekes Architects ��8�, S W Mz�r�I��cJ, St. 7'igard. Oreqon 97zz.{ / Yhone 503. 6a4.46a5 /Cellular So3. 3�4.0677 /Fax So3. g68.�674 ► � qFFIDAVIT OF MAILING/POSTING NEIGHBORHO D MEETING NOTICE IMPORTANT NOTICE: THE APPLICANT IS REQUIRED TO MAIL THE CITY OF TIGARD A COPY OF THE NFIGHBORHOOD MEETlNG NOTICE THAT PERTAINS TO THIS AFFIDAVIT AT THE SAME TIME PROPERTY OWNERS ARE MAILED NOTICE, TU THE ADDRESS BELOW: City of Tigard Planning Division �w �'.� � ,. 13125 SW Hall Boulevard *�: ,` ', Tigard, OR 97223-8189 IN ADDITION, THE APPLICANT SHALL SUBMIT THIS AFFIDAVIT & COPIES OF ALL NOTICES AT THE TIME OF APPLICATION. MAILING: � I, �d /f�1 u r��y , being duly sworn, depose and say that on the 8 day of ws f 20 42 • I caused to have mailed tq each of the persons on the attached list, a notice of a megting to discuss a proposed development at(or near) %ew+p ICiv� Y�Pi+1Mf�rv St�oil� �'Soe StJ Nl u�dock St a copy of which notice so mailed is attached hereto and made a part of hereof. I further state that said notices were enclosed in envelopes plainly addressed to said persons and were deposited on the date indicated above in the United States Post O�ce located at �Vla,i�► Sf►'«�, T",�tu rd , with postage prepaid thereon. �. Signa ure (In t pr ence of a Notary Public) POSTING: � I, u�'' �+ do affirm that I am (represent) the party initiating interest in a proposed e ' � � oo l affecting the land located at (state the approximate location(s) IF no ad ress(s)and/or tax lot(s)currently r gistered) 2,1'�(1 f4G� .2901 , and did on the� day . , 20Q3_personally post notice indicating that the site may be proposed for a � r ' C(t application, and the time,date and place of a neighborhood meeting to discuss the proposa. The sign was posted at i5�and �� tf d�PrQloN ��er►�trrTti�vT jS%b�i. �l'ONn l�ur�ock Sf. (state location you posted notice on property) K ignature (I the resence of a Notary Public) (THIS SECTION FOR A STATE OF OREGON, NOTARY PUBLIC TO COMPLETE/NOTARIZE) STATE OF �� '�� '= �=-��' `� ) County of ��,� �'�>�-�' ' ''�'''^� ) ss. Subscribed and sworn/affirmed before me on the .'��day of (�,� �' �(,u� , 20�. T OFFiCIALSEAL '»' BARBARA 6UTLER �`^"�7� NOTAf3Y pURIJGOREGON -�'` CQ�^i�'��;�!0'�N0.364280 � � � ��iY COM��1ISSi��N E',.�"r��f-s�ArJ. 1,2007 , , / � � %_ii} � C� CI �I'_ ( ( �: NOTARY PUBLIC OF OREGON My Commission Expires: I -C I —C � Applicant, please complete_the information below: NAME OF PROJECT OR PROPOSED DEVELOPMENT: TYPE OF PROPOSED DEVELOPMENT: Address or General Location of Subject Property: Subject Property Tax Map(s)and Lot#{s): e:uoginlpat�nmaste,slaRiaavit of maiing-posuiq naignnort�ood�e�np.doc f Y'l�' / 1/� Q Q � � ��, Temp�eton E�ementarySchool � � � � � o�' � � _ ?. o � � � � O �- _ � z � L ^ � T � � 0 � � � / � = ' � U A. � n. � N W � , � i � Cornerstone Construction � — — ,� Management, Inc. - . . . . . . . -. . .....-�.;o,�: �rr�^�.?.-::�- .-��;�_�: _:,,... Templeton Elementary School Conditional Use Application TABLE OF CONTENTS KEY INFORMATION 1 SUMMARY 3 BACKGROUND INFORMATION 5 RESPONSE TO CUP CRITERIA 9 BICYCLE PARKING ADJUSTMENT 17 CONCLUSIONS 19 EXHIBITS 21 Exhibit `A' Pre-application conference notes Exhibit `B' Tax assessor's map Exhibit `C' Aerial photograph Exhibit `D' Zoning Map Exhibit `E' Utilities Maps Exhibit `F' Service provider response - Clean Water Services Agency Exhibit `G' Tree Assessment Exhibit `H' Letter from Principal Thomason regarding bicycle parking needs Exhibit `I' Neighborhood meeting documentation Exhibit `J' Site Plan, including: C1 Existing Conditions C2 Demolition Plan C3 Civil Site Plan C4 Grading/ Erosion control C-5 Utility Plan L101 Planting Plan A1.1 Architectural Site Plan A2.1 Addition Floor Plan A3.1 Exterior Elevations STM-1 Basin Map Templeton Elementary Schonl CUP � � � ' � Project Name: Templeton Elementary School Major Modification to a Conditional Use permit Property Description: 2S111ACO2901 Location: 9500 SW Murdock St. Parcel size: 12.62 acres Zoning: R-4.5 Applicant: Tigard-Tualatin School District 23J 6960 SW Sandburg Street Tigard, Oregon 97223 Attention: Stephen Poage Telephone 503-431-4003 Fax: 503-431-4047 Property Owner: Same Applicants Representatives: Project Manager Nick Harris, Senior Project Manager Cornerstone Construction Management Inc. 5410 SW Macadam Avenue, Suite 250 Portland, Oregon 97210 Telephone 503-295-0108 Fax 503-295-1896 Architect Keith Johnson Dull Olson Weekes Architects 319 SW Washington St., Suite 200 Portland, Oregon 97204 Telephone 503-226-6950 Fax 503-273-9192 Land Use Planner Ed Murphy Ed Murphy & Associates 9875 SW Murdock St. Tigard, OR 97224 Telephone 503-624-4625 Fax 503-968-1674 edmurphy&associates/ttsd/templeton/cupapplfindd l0/2 UO3 1 Trm��f��tun f�lc�iner�turv Schunl C�f;. Civil Engineer Mark Wharrey SJO Consulting Engineers, Inc. 6650 Redwood Lane, Suite 360 Tigard, OR 97224 Telephone 503-226-3921 Fax 503-226-3926 Landscape Design Nick Wilson Atlas Landscape Architecture 320 SW 6'h Avenue, Suite 310 Portland, OR 97204 Telephone 503-224-5238 Fax 503-224-5239 Arborist David Halstead Halstead's Arboriculture Consultants, Inc. P.O. Box 1182 Tualatin, Oregon 97062 Telephone 503-245-1383 Fax 503-295-1896 2 edmurphy&associates/ttsd/templeton/cupapp/findr/10/21/03 7emplcton Elementary School CUP • The Tigard-Tualatin School District plans to improve the Templeton Elementary School. A major modification to a Conditional Use Permit is required. • There will be virtually no impact to the sewer, water, roads and storm water systems. The number of students and staff will remain approximately the same. • The total amount of impervious surface will be increased by 18,372 square feet, which represents a 3.34% increase. • Concurrent with the CUP application, the District is applying for an adjustment to the required minimum number of bicycle parking spaces of six spaces per classroom. edmurphy&associates/ttsd/templetor✓cupapp/finddl0/21/03 3 Tc-ntplf�lai Lle�rientar_��Schnr�!(�l;t This page infentionally left blank 4 edmurphy&associates/ttsd/templeton/cupapp/finddl0/2 V03 i I I r empleton Elementary School CUP i ' � � � � � � History: The City staff and representatives of the Tigard-Tualatin School District met on July 10, 2003 in a pre-application conference to discuss proposed improvements to the school and the site. The notes of that meeting are attached as Exhibit `A'. The property is made up of one tax lot, comprising a 12.6-acre parcel with frontage only on SW Murdock Street where it dead-ends into the school site. (Please refer to the Tax Assessor's map, Exhibit `B'.) It is almost flat, sioping slightly from west to the east. It currently has the Templeton Elementary School on it, including a modular classroom. (Please refer to aerial photograph, Exhibit `C'.) The school has been in this location since the early 1960's. The most recent modification to the conditional use permit occurred in 1991, when the portable classroom was added, along with four parking spaces. Adjacent uses. The property is zoned R-4.5, as is the surrounding neighborhood. (Please refer to Zoning Map, Exhibit `D'.) The property is bordered by single-family homes on the east and west sides, some vacant residentially zoned land on the south side, and Twality Middle School along the north side. Description of Proposal. The new additions to the elementary school will add approximately 8300 square feet to the existing 51,030 square foot building, an increase of 16% in floor area. The modifications will significantly improve the school. They will include construction of educational spaces (two classrooms, a computer lab, a music room), two workrooms, a counseling room and office, a music equipment storage room, and two reading alcoves. In addition, some site improvements will be made, including construction of an additional parking area in the center of the existing turn-around island, re-striping the existing parking lot, and construction of a new fire apparatus access drive. Parking lot trees will be planted in the new parking area. No changes to any of the existing utilities are necessary, except for bringing in a new water line for the sprinkler system. The school is already served with adequate sewer, water and storm water lines. (Please refer to the Existing Utilities Maps, Exhibit `E'.) The traffic impact is minimal, since access to the new school is provided in the same manner as access to the existing school. There are no sensitive lands that will be impacted by the proposed use, i.e. wetlands, steep slopes, floodplains, or wildlife habitats. The Washington County Clean Water Services (CWS) Agency has provided a service provider letter. (Please refer to the CWS letter, Exhibit `F'.) Chapter 18.390.040.6.2.e Impact Analysis: This section requires an impact study as part of the Type II procedure. No improvements to the transportation, drainage, parks, water, and sewer systems are necessary to meet City standards or to minimize the impact of the development on the public at large, public facilities systems, and affected private property users. Following are comments regarding the impact of the proposed development on public facilities and services. edmurphy&associates/ttsd/templeton/cupapp/findr/10/2 UO3 5 T��m��lelon l�lrv��i�t�u��Schou!C�. Transportation System: There are no significant impacts to the transportation system as a result of this proposed development. No improvements to the transportation system are necessary to meet City standards or to minimize the impact of the development on the public at large, public facilities systems, and affected private property users. There will be a driveway apron constructed across the existing driveway at the entrance to the parking lot from SW Murdock Street, which shculd have the affect of slowing drivers down as they enter onto the school property. Draina�e System: The property slopes generally from the west to the east. Storm water run- off will be directed into the existing 12" concrete storm water line that connects to SW g2nd Avenue through SW Heidi Court. Water quality and quantity facilities will be provided for the 18,372 square feet of new impervious areas. Runoff from the parking lot will be directed into an underground detention system beneath the center island, consisting of 450 lineal feet of 18" HDPE detention pipes. Fabricated catch basin "stormfilters" will be used to achieve water quality requirements. No other improvements to the drainage system are needed. (Please refer to a companion document, "Stormwater Management ReporY', by SJO Consulting Engineers, October 2003, for more information.) Parks S�stem: No impact to the park system will occur as a result of this proposed site development. The remodeled school will have the same type of recreation facilities available as the existing school does currently. Water System: No impact to the water system will occur as a result of this proposed site development. Sewer System: No impact to the sewer system will occur as a result of this proposed site development. Noise impacts: Most activities will take place indoors. During recess, the children will use the playgrounds on the east and south sides of the building, as well as the ball fields at the south end of the property. During the evenings, when the neighbors are more likely to be home, the school will generally be closed. The overall noise level should not change as a resutt of this modification. The noise levels from the school building and grounds will be well within the City's noise standards. Further, the City's noise ordinance, Title 7, Section 7.40.180, specifically makes an exception for noise coming from normal school activities. It states the following in Section 7.40.180 "Exceptions": The following shall not be considered violations of this article, even if the sound limit specified in Section 7.40.160 is exceeded: A. Non-amplified sounds created by organized athletic or other group activities, when such activities are conducted on property generally used for such purposes, such as stadiums, parks, schools, and athletic fields, during normal hours for such events. Li htin : The school building, school grounds and parking lot will be illuminated in the same manner that they are currently, except that two new parking lot lights will be added in the center island, as shown on the Architectural Site Plan, Exhibit `J', sheet A1.1. When the building is unoccupied, most exterior lights will be turned off. The lights will be on timers O edmuiphy&associate�/ttsd/templeto�ilcupapp/findr/10/2 UO3 .�mpleton Elementary Scltool CUP and photocells, which will lessen the amount of energy used, provide better security, and reduce the impact to the neighbors from light intrusion. Police. Fire and other Emergency Services: No impact to police, fire or other emergency services will occur as a result of this proposed site development. The sprinkler system that will be added in the existing aclministration, media center and all new addition spaces will improve the overall safety of the school. The new additions will be built to modern building code standards. A new fire apparatus access lane and turn-around will be added on the north side of the school building, improving accessibility for emergency vehicles. edmurphy&associates/ttsd/templeton/cupapp/findd]0/21/03 '� Ternpleton Elementury School C(, This page intentionally left blank g edmuiphy&associates/ttsd/templeton/cupapp/findr/10/2 V03 r rmpleton Elementary School CUP � � , , � i � . Chapter 18.330 of the Tigard Development Code (hereinafter "Code") contains the standards and procedures under which a major modification of a conditional use may be permitted. Section 18.330j.030 contains the approval standards, which are as follows: 18.330.030 Approval Standards and Conditions of Approval A. Apqroval Standards. The Hearings Officer shall approve, approve with conditions, or deny an application for a conditional use or to enlarge or alter a conditional use based on findings of fact with respect to each of the following criteria: 1. The site size and dimensions provide adequate area for the needs of the proposed use; 2. The impacts of the proposed use of the site can be accommodated considerina size, shape, location, topography, and natural features; 3. All required public facilities have adequate capacity to serve the proposal; 4. The applicable requirements of the zoning district are met except as modified by this chapter; 5. The applicable requirements of 18.330.050; and 6. The supplementary requirements set forth in other chapters of this code including but not limited to Chapter 18.780, Signs, and Chapter 18.360, Site Development Review, if applicable, are met. Section 18.330.050 contains additional development standards applicable to schools, which are as follows: 18.330.050 Additional Development Standards for Conditional Use Types B. Additiona] development standards. The additional dimensional requirements and approval standards for conditional use are as follows 8. Schools: a. There shall be no minimum lot size requirements for schools other than what is required for the applicable zoning district; b. Setbacks: (1) The front yard setback shall be a minimum of 30 feet; (2) On corner lots and through lots, the setback shall be a minimum of 20 feet on any side facing a street, plus meet visual clearance areas, Chapter 18.795; (3) The side yard setback shall be a minimum of 20 feet; and (4) The rear yard setback shall be a minimum of 30 feet. RESPONSE TO CRITERIA 1. The site size and dimensions provide adequate area for the needs of the proposed use; The site has been functioning as an elementary school site for many years. The modifications to the school will not add student capacity as much as provide additional classroom space for music, computers and media. The site is relatively flat, with little edmurphy&associates/ttsd/templeton/cupapp/findr/]0/21/03 9 Tri�rp/c�ton Elenreuit�trv Srh��nl(�L. existing significant vegetation, and is rectangular in shape. As can be seen from the Civil Site Plan, Exhibit `J', Sheet C3, the additions to the elementary school generally fit within the existing outside perimeter of the existing buildings. The total parcel size is 549,730 square feet, and all the school buildings together will occupy 59,315 square feet, or approximately 11% of the site. The site where the additions to the school building are proposed is not an area that is subject to ground slumping or sliding. There is adequate distance between the school building and any surrounding buildings, which provides for adequate light and air circulation, and accessibility to fire-suppression equipment. All the regular classrooms will have windows, which will provide an abundance of natural light. 2. The impacts of the proposed use of the site can be accommodated considering size, shape, location, topography, and natural features. The modifications to the elementary school will have the same impact on the neighborhood as the existing school does. There is no significant additional impact to the public facilities and transportation systems. The school additions will be a maximum of 30-feet in height, the maximum height allowed in the R-4.5 zone. The topography is such that the drainage will go east towards east, across the fields. The drainage will not be significantly affected. The existing trees and shrubs on and along the edges of the property, particularly along the west and south sides of the property, will help buffer and screen the adjoining properties. A few trees will need to be removed for the parking lot improvements, namely, a 16" pine and an 8" deciduous tree that are currently in the landscaped island in front of the school. The site plan shows three parking lot trees for this new parking lot area, which will help mitigate the loss of the two existing trees. The lighting from the school building and parking lot will be designed and managed to minimize the impact on the neighborhood. 3. All required public facilities have adequate capacity to serve the proposal. The public sewer, storm water and water systems have adequate capacity for the existing school, and the new school will be essentially the same number of students and teachers/support staff. The transportation system is adequate to support the existing school. Other semi-public facilities and services, including electrical, natural gas, cable, and garbage disposal are available, and the construction of the new school will not significantly change the impact on those services and facilities. 4. The applicable requirements of the zoning district are met except as modified by this chapter. ]Q edmurphy&associates/ttsd/templeton/cupapp/findr/10/21/03 .,..�tpleton Elementury Schoo!CUP The property is zoned R-4.5. The proposed elementary school modifications are in compliance with all of the applicable requirements of R-4.5 zone. Following is a summary of how the proposed school and site comply with the zoning district regulations. Minimum lot size. The requirement is 7500 sq. ft. per unit. The lot size exceeds this minimum lot size requirement. Average lot width: The requirement is 50 feet. The lot width exceeds this average lot width requirement. Minimum building setbacks: The setback requirements ordinarily applicable in the R-4.5 zone are superceded by Section 18.330.050.B.8 of the Development Code. The school will exceed those setbacks. Maximum Building Height: The maximum allowable building height is 30 feet. The proposed addition to the elementary school building will not exceed the maximum building height. Maximum percentage of lot coverage: There is no maximum percentage of lot coverage in the R-4.5 zone. Streets: SW Murdock Street will remain the same, since it just dead-ends at the school property line. The dead-end portion of SW Murdock Street is less than 200 feet in length, so no cul-de-sac turn-around is required. Pedestrian and handicapped accessibility: Pedestrian accessibility to the elementary school will remain the same as it is currently. Pedestrians will be able to access the school from either SW Murdock Street, or from SW 92"d Street via the pedestrian pathway connection off of SW Leslie Court. The pathway to the entrance of the school from the accessible parking spaces will meet ADA standards. Handicapped parking: The proposed site plan calls for 29 new parking spaces. Out of the total of 80 parking spaces, 4 will be handicapped accessible, as per the accessibility standards set forth in the State of Oregon Uniform Building Code. Bicycle parking: The Code requires 6 spaces per classroom. Since there are 28 classrooms, that would be 168 bicycle spaces. Based on actual experience, only about 6 to 10 bicycles parking spaces are needed. (Please refer to Exhibit `H', letter from Principal Thomason.) There are enough bike racks now to accommodate 36 bicycles, which is more than adequate. The District is applying for an adjustment to the bicycle parking standard concurrently with the CUP application. Utilities: All utilities will meet City standards. All new on-site utilities will be undergrounded. Parking lot landscaping. The new parking lot in the center of the island will meet the City standard of one parking lot tree per seven parking spaces. Since the parking lots are not sited next to a public roadway, screening from the street is not required. All of the other parking areas are pre-existing, and no parking lot trees or landscaping is practical at this point. edmurphy&associates/ttsd/templeton/cupapp/findr/10/2l/03 1 1 Tenipletun Ele�neruu�_��Schuol CU. Parking lot lighting: The lighting from the new parking lot light fixtures will be directed downward so as not to interfere with the neighbor's properties. The parking lot lighting will be controlled by either time device or photocell per District standards. Minimum percentage of site landscaping. There is no minimum required percentage of landscaping in the R-4.5 zone. Buffering and Screening: Buffering and screening is not required in this case. Nonetheless, there is already adequate screening along the west property line, north of Murdock Street (tax lot 2S111 BD00401), which provides a solid vegetative screen. 5. The applicable requirements of 18.330.050. The proposed school building exceeds the required minimum setbacks. Since the school faces SW Murdock Street, and that is the only street frontage, the west side is the front yard. The yard setbacks will be: • Front yard setback—205 (minimum 30 feet required) • South side yard setback -- 220 feet (minimum 20 feet required} • North side yard setback -- 30 feet (minimum 20 feet required) • Rear yard setback—225 feet (minimum 30 feet required) 6. The supplementary requirements set forth in other chapters of this code including but not limited to Chapter 18.780, Signs, and Chapter 18.360, Site Development Review, if applicable, are met. The following information addresses the other chapters of the Code. Chapter 18.360 Site Development Review. This proposed use is not subject to the Site Development Review Chapter of the Code. Section 18.360.020.A.5, under "applicability and exemptions", says site development review shall not apply to "any proposed development which has a valid conditional use approved through the conditional use permit application process". However, many of the submission requirements and development standards applicable to a Conditional Use Permit application are the same as for a Site Development Review application. Chapter 18.705 Access, Egress and Circulation. The most applicable section is 18.705.030.F, "Required walkway location." The walkway from the south side of SW Murdock Street does not cross a parking lot. There is an existing pedestrian crossing at the intersection of SW Murdock Street and SW 96'" Street. Chapter 18.710 Accessory Residential Units. The Chapter is not applicable. Chapter 18.715 Density Computations. The Chapter is not applicable. Chapter 18.720 Design Compatibility Standards. The Chapter is not applicable. Chapter 18.725 Environmental Performance Standards. This Chapter applies the federal and state environmental laws, rules and regulations to development within the City of Tigard. 1� edmwphy&associu[cs/nsd/tcniplclun/cupapp/tindr110/21/03 .�mpleton Elementary School CUP • Noise. As noted previously in this application, the City's noise ordinance makes an exception to the noise regulations for schools, in Section 7.40.180. • Visible emissions. This applies only to areas zoned commercial or industrial, and is not applicable to schools. • Vibration. There will not be any vibrations emanating from the school property that will be discernible without instruments at the property line. • Odors. There should not be any odorous gases or other matter generated from the school property in such quantities as to be readily detectable at any point beyond the property line. • Glare and heat. The will be no direct or sky-reflected glare visible at the property line, or any emission or transmission of heat or heated air which is discernible at the property line. • Insects and rodents. The materials that might attract rodents will be located near the kitchen and loading area. All wastes will be stored in closed containers on the north side of the school building, and the grounds will be maintained in a manner that will not attract or aid in the propagation of insects or rodents or create any type of health hazard. Because this is an elementary school, it is extremely important that the waste disposal and recycling area be kept as clean as possible at all times. Chapter 18.730 Exceptions to Development Standards. This Chapter is not applicable. Chapter 18.740 Historic Overlay. This Chapter is not applicable. Chapter 18.742 Home Occupations. This Chapter is not applicable. Chapter 18.745 Landscaping and Screening. Buffering and screeninq. The buffering and screening matrix (Table 18.745.1) does not show a requirement for buffering and screening between existing detached single-family units and institutional uses such as schools. The school site is pre-existing development, and the exterior footprint will not change relative to the neighborhood views of the building. Further, the school building is set back from the property lines by large distances. Therefore, no additional buffering and screening of the building is necessary. Street Trees. The School property does not have any frontage on public streets, except for the dead-end SW Murdock Street. The site plan does not include any street trees. Screenin� Screening and landscaping of parking lot and loading area is required, as per Section 18.745.050.E. The new parking lot area will be screened from view, particularly from the residences to the west. The new parking lot will also include parking lot trees, which will provide some screening from view. Proposed Plant Selections— �derived from soil conditions) All proposed plant material have been selected for their adaptability to local climate conditions and ability to thrive under a range of conditions including heat and cold hardiness, low water needs use after establishment, and tolerance of a range of soil conditions. Current soil conditions are compacted and range from loam to predominately clay. edmurphy&associa[es/ttsd/templeton/cupapp/findr/10/21/03 13 Tc'ntpletun 1:7�'�ri��nfun'.Sc'hnol CC-� Soil Treatment Topsoil derived from fhe site during construction will be stockpiled on site and used for proposed landscape areas. Soil amendments (i.e., compost) will be used to improve the soil conditions and create an environment for plants to thrive. Erosion Control Measures An erosion control plan will be submitted by the civil engineer. During landscape construction, erosion control measures will be implemented to prevent degradation of the site and contain landscape materials on site. Chapter 18.750 Manufactured/Mobile Home Regulations. This Chapter is not applicable. Chapter 18.755 Mixed Solid Waste and Recyclable Storage. This Chapter is not applicable. Chapter 18.760 Nonconforming Situations. The buildings on the school property conform to the current setback, height and other dimensional requirements. The existing parking lot may not conform to current city requirements for landscaping, but that is a pre-existing situation which would be impractical to remedy as part of this school building improvement program. Chapter 18.765 Off-Street Parking and Loading Requirements. Vehicular parkina. For an elementary school, two parking spaces per classroom are required. The remodeled school has 26 standard Classrooms (not counting the music room and the computer room), so 52 parking spaces are required. The proposed site plan, Exhibit `J', Sheet A1.1, shows 80 parking spaces. The design of the new parking lot in the center of the island takes meets the regulations of this Chapter in terms of landscaping, lighting, drainage, width of access aisles, and dimensions of the parking spaces. The spaces created by re-striping meet the dimensional standards and aisle width standards, but may not meet the landscaping and lighting and standards. Of the 80 parking spaces, 4 are required to be accessible. The site plan shows that the four spaces that are closest to the front door and sidewalk are designated accessible parking spaces. (These are existing accessible spaces.) For loading and unloading passengers (18.765.040.C), the plan keeps the circular driveway where school busses can queue for loading children. Parents picking up or unloading children will be directed to do so using the parking lot to the north to minimize conflict with the bus loading/unloading areas, as is presently being done at the school. Bicycle parkin4. The site plan shows the existing 36 bicycle-parking stalls reinstalled near the southern front door. The Code requires 6 bicycle-parking stalls per classroom, which would mean that 156 parking stalls would be required for the 26 classrooms. The District is requesting an adjustment to the bicycle parking standards concurrently with the CUP application. Chapter 18.775 Sensitive Lands. There are no sensitive lands affected by this proposal. Chapter 18.780 Signs. The District is not proposing any new signs at this time. 14 edmurphy&associates/t[sd/tcmpletunlwpapp/findr/1O/21/03 t empleton Elenientarv Sciiool CUP Chapter 18.785 Temporary uses. This Chapter is not applicable. Chapter 18.790 Tree removal. The existing trees over 6" in caliper are shown on the Planting Plan, Exhibit `J', Sheet L101. Ten trees are over 12" in caliper. Of those, two trees are hazardous and will be removed. Of the remaining eight trees, only one needs to be removed because of the construction activity. Since over 90% of the trees over 12" in caliper are being retained, no mitigation is required. (Please refer to the Tree Assessment Report, Exhibit `G'.) Chapter 18.795 Visual Clearance Areas. The only area where this applies to this site is where the driveway to the parking lot connects to the public streets, i.e. the dead end of SW Murdock Street. Those areas will meet the visual clearance requirements of this Section 18.795.040.B of this chapter. Care will be taken to maintain adequate visual clearance. Chapter 18.797 Water Resources (WR) Overlay District. This Chapter is not applicable. Chapter 18.798 Wireless Communication Facilities. This Chapter is not applicable. Chapter 18.810 Street and Utility Improvement Standards. Since the modification of the existing conditional use is minor in scale, adding only 8300 square feet, and not increasing the number of students or teachers and staff, this chapter does not apply. Since the school parcel only has frontage on one dead-end street, no street improvements are contemplated. edmurphy&associates/ttsci/templeron/cupapp/findr/1012 UO3 15 Tempfetoli Elementary Srhr�nl C(i. This page intentionally left blank I 1( ednwrphy&associates/ttsd/tcmpleton/cupapp/f ind�/IO/2 l/03 1 empleton Elententary School CUP i � ` � ' � Background. Currently there are 36 bicycle parking spaces at Templeton Elementary School. According to.the Principal, Pat Thomason, oniy about 6 to 10 spaces are used, even on a sunny day. (Please refer to Exhibit `H', letter from Pat Thomason.) Since this is an elementary school, most children take the bus to and from school. Chapter 18.765 of the Code sets forth the standards for bicycle parking. Specifically, Table 18.765.2 requires six parking spaces per classroom. There are 26 regular classrooms. That means the District would have to install 156 bicycle-parking spaces to meet the Code requirements. Proposal. The District supports bicycle usage, and plans to retain the 36 bicycle spaces that are at the school currently. Response to Adjustment Criteria. Section 18.370.020.5.e. allows the Director to approve an adjustment of the required bicycle parking by means of a Type II procedure if the applicant "can demonstrate that the proposed use by its nature would be reasonably anticipated to generate a lesser need for bicycle parking." A school by its nature is expected to generate bicycle traffic, and therefore a need for parking for the bicycles. However, it is reasonable to expect that the future need for bicycle parking will be similar to the current and past need. Based on her own experience at Templeton Elementary School and consultation with other staff inembers, Ms. Thomason indicates that the new school would not need more than ten spaces to provide for the number of bikes typically ridden to school. Thirty-six spaces are provided. Although the Director may approve an adjustment, this application also reviewed the criteria for a variance, found in Chapter 18.370 of the Code. Responses to each of the variance criterion are as follows: a. The proposed variance will not be materially detrimental to the purposes of this title, to any other applicable policies and standards, and to other properties in the same zoning district or vicinity; The "purp�ses of this title" (18.110.020) include only one purpose statement that is directly relevant, which is #8: "Provide for and encourage a safe, convenient and economic transportation system within the City". The School District provides much of the transportation services needed to get children to and from school safely. Children who do not take the bus can walk or ride a bicycle, or their parents drop them off. The number of children bringing a bicycle to school is limited — out of approximately 600 students, only about 10 ride their bicycles to school. The District does not propose to add more bicycle parking stalls. If over time, the demand for more bicycle parking increases significantly, the District can relatively easily provide additional bicycle parking spaces. On the other hand, if the District installed 156 bicycle spaces, and only 10 are actually used, it becomes wasted space and a nuisance. Granting the variance will not be materially detrimental to the provision of a safe, convenient and economic transportation system within the City of Tigard. Nor will it be materially detrimental to any other applicable standards or policies, or to any other properties in the R- 4.5 zone or the vicinity of the school. Most importantly, granting the variance, and requiring edmurphy&assa:iates/ttsd/templeton/cupapp/findd I O/21/03 1'] T<�mj�lc�tr�n L•7rment�irr School CL�� 36 instead of 156 bicycle parking spaces, will not impact the surrounding neighborhood. Children will not start leaving their bicycles parked in the street or on someone eise's property because they can't find a parking space on the school property. b. There are special circumstances that exist which are peculiar to the lot size or shape, topography or other circumstances over which the applicant has no control, and which are not applicable to other properties in the same zoning district; The special circumstance is that this is an elementary school in the R-4.5 zone that has been at this site for more than 40 years. Based on the actual experience in this neighborhood, the requirement of six bicycle spaces per classroom is excessive. How many children ride to schooi depends on how safe their parents think their children are, how far away from school they live, what type of bicycle facilities exist along the route to school, and even whether or not the child has a bicycle. The School District has no control over these variables. c. The use proposed will be the same as permitted under this title and City standards will be maintained to the greatest extent that is reasonably possible while permitting reasonable economic use of the land; The proposed use is an elementary school, which is a permitted use, subject to Conditional Use approval. The other city standards will be maintained (except for the maximum block length.) Retaining the 36 bicycle stalls can be reasonably accommodated with the expansion and remodeling of the school. Installing 156 stalls is problematic in terms of space availability, as it would consume a substantial amount of land, and more importantly, would not benefit the children, their parents or the teachers and staff. d. Existing physical and natural systems, such as but not limited to traffic, drainage, dramatic land forms or parks will not be adversely aft'ected any more than would occur if the development were developed as specified in the title; Existing physical and natural systems are not affected one way or the other. e. The hardship is not self-imposed and the variance requested is the minimum variance, which would alleviate the hardship. The hardship is not self-imposed. The school was constructed prior to the adoption of the bicycle-parking requirement. The District is not claiming that there is no room on the site for � 156 bicycle parking spaces, or that there is some physical reason why it cannot be done. It is claiming that the number of bicycle parking spaces required is much greater than the need, and that installing the required number of spaces takes up valuable space that could be better used for other activities. It creates a hardship on the District because of the amount of space it ties up, and because of the on-going maintenance requirements of these facilities. 1 g edmurphy&associates/ttsd/templeron/cupapp/finddl0/21/03 �r�npleton Elementarv School CUP � � The improvements planned for Templeton Elementary School will be a tremendous benefit to the neighborhood and the entire city. It not only allows the children the opportunity to go upgrade the school facility, but will also provide improvements to the parking areas, lighting, and landscaping. The proposed new elementary school meets the criteria for a Conditional Use Permit, including complying with all of the applicable development standards, except for the bicycle- parking requirement. The District is requesting an adjustment to the standard that would require 156 bicycle-parking spaces, which meets the adjustment criteria. edmu�hy&associates/ttsci/templeron/cupapp/findd 10/2 UO3 1 C) 7�rvn/�leton F_lemr��tu+-��S'�'hr�r�l(.'L� This page intentronally leff blank I 2� edmurphy&associates/ttsd/templeton/cupapp/findd]0/2 I/03 II Templeton Elementary Schoof CUP ' � � � (added I1/10/03) Chapter 18.810 Street and Utility Improvement Standards The recently adopted block length standards found in Section 18.810.040.6.1. cannot reasonably be applied in this case, which involves improvements to an existing school within an established neighborhood. Because of the exiting development patterns, there is no practical way that the School District can meet the maximum block length standard for this site. To strictly meet the block length requirement, a school site could be no larger than roughly 5.7 acres, and would have to have streets on all four sides (500'/side equals a 2000' perimeter, which results in a 5.7-acre area). That is not an adequate building site even for new elementary schools, which typically require a 7-10 acre site. The Templeton Elementary school site is over 12 acres in size, and is next to another school site that is over 15 acres in size. Together the two schools create a 27-acre school campus, which is completely surrounded by houses on all sides except the south side, where a residential subdivision has recently been approved. Since the block length standard is clearly precluded by pre-existing development, it should not apply in this case. The existing street connection to SW Murdock Street, along with the fire access lane from SW 97th Avenue to Templeton along the south side of Twality Middle School, provides a safe and convenient transportation system. Similarly, creating formal pedestrian connections that would meet the City standard of one connection per 330 feet is not feasible (Section Section 18.810.040.B.2). However, while the District is always concerned about security and vandalism, it does not intend to fence the school site completely off from the public. Neighbors will be able to walk across the grounds after normal school hours, just as they do today. School children will still be able to walk between SW 92"d Avenue and Templeton Elementary School using the two existing pedestrian walkways (one off SW Leslie Court, and the other directly off SW 92nd Avenue just south of SW Inez Street). They can also access the school from the north from SW Inez Street (walking across the Twality Middle School grounds). Access from the south is not currently possible because there are two privately owned properties between SW Sattler Street and the school property. According to city staff, when those properties develop, a pedestrian connection to the school site will be required. In all, there are or will be seven pedestrian access points into the 27-acre school campus, including three pedestrian access points from the neighborhoods to the east, west and south directly to the Templeton School site. Therefore, while not strictly meeting the pedestrian connectivity standards, the proposed site design maintains the high level of pedestrian connectivity that the neighborhood currently enjoys. 20 edmurphy&associates/ttsd/templeton/cupapp/findr/11/]0/03 Templeton Elementary Sclzool CUP � �iEk�' ` , o. ��nfe�et�e-rta�s- Exhibit `B' Tax assessor's map showing the location and dimensions of the tax lots Exhibit `C' Aerial photograph . Exhibit `D' Zoning Map Exhibit `E' Utilities Maps Exhibit `F' Service provider response - Clean Water Services Agency Exhibit `G' Tree Assessment Exhibit `H' Letter from Principal Thomason regarding bicycle parking needs Exhibit `I' Neighborhood meeting documentation Exhibit `J' Site Plan, including: C1 Existing Conditions C2 Demolition Plan C3 Civil Site Plan C4 Grading/Erosion control C-5 Utility Plan L101 Planting Plan A1.1 Architectural Site Plan A2.1 Addition Floor Plan A3.1 Exterior Elevations STM-1 Basin Map edmurphy&assoc:iates/ttscUtempleto��/cupapp/tindr/l0/21/03 21 2S 1 11AC 2S 1 11AC _.� ' j-.; .,��. ��!- ..�w,,.: '.:'�,. � �� .u��.J .,ii� .:a �as:� .�':'dA' ' ',u� +r, ,y a -�+� ...` ' .',%,'„ ]� .. �� $e arc .W1�( �,i��j ... .��- {( � � �� .1,� .'R, tl7I. ,L .,�.. '.1J� ..6�'.3 Nay.� � j�..y �. . ��r�r"�_tat��l�..,, ��' .r� �'.:�_� �;.�-' .I � ..P• - , _ _ > . . � ��.. � � �- � .' . . ., � ' -"" � .. ::: t 'a..' -. , !� . , y� � ,.,��:: - ` r-" - .SW . . . . 'N ' . .. 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PEMBROOK 5T� TWAUTY � _ `T� II3t � r - 4i J WELL�NOrI`*� .� 8 6..��.�� 51 a � ; a �' S,118 Z, 91TE. 2-I MO JUNIOR � < m 5 CI Y RESERVqR4. s = �Q x ` m _ 3'L' E � EIEV. 110 FT = c . ' U WELL N0.1 B m � ; HIGH ; p PINEBROOK m ; Y N m � O PUMP STFTION O � � O � V1 $.4� f/l VI 2 W/2-SO NP - a o �� .. SCHOOL �- ' 6"Ci T�'� �II� n � � pUMPS. 1000 � MURDOt;K ST B Cr GFAViTY I OZ N I'� �1 C � ; V 6 GPM EA. 12�CI.GRn.�iT _ ) .� 10 i-HV ��Ci-�lo 6"�i-i v 'V J N � � 43— 38 7 � I 56 MURDOCK 57 � q� � I I 9 = a � 6=� sT, TEMPLETON 5 W Q G� P DR F s.w. Z ; ' ` �_ _ w ELEMENTARY �T�o� �I _O4 .y�` � �I�LO ; a �, 42 � _ - � � r05 � : S.W. a SCHOOL o� �y o ;.� o= m ti�a i v /1 I MONTE DR � W 5 4 L S�iE� -o, �° uJ I2) � Q - .� MARILYN C Ci. � 55 aoi i lo� REIUNG T �� 6• ,- _ _ � 06 � u 21 � xP s w. I I [] �H SW PEPPE R T RE E L U � - S. I�O �A W N � W. I I� 0 a� Z O.7 m ',rnv -V DAF:MEL C _ I�lT CT. = IJI ° W �L� m _ � L� 3 193 I95 198 i2 3 � a u-n� S'•� '^ SATTLE� v ST ui � H OU V W DR. 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J � LE > C Q F- � ARMEL � I DA CT � �� -I ` �� ATTLE R I ; m Y SUMMERFIEL O � a � o i 2 w � � m � --�- -- � _I w � � / � � n� r,r-r.��Y/ � I / � , � STORM DRAINAGE SYSTEM � � r.iTV nF Tir,nRn_ei i�i icT�nn� Exhibit `F' � .�� C1eanWater �� Services Oi�r c�mrnitmi;ril '►s clear. October 13, 2003 Matt .lohnson SJO Consulting �ngineers, Inc. 6650 SW Redwood Lane, Suite 360 Portland, OR 97224 Re: Addition to Templeton Elementary School located at 950a SW Murdock St. in Tigard, �R CWS file 3393 (Tax map 2S111AC, Tax lot 02901) Clean Water Services has reviewed your proposal for the above referenced activity on your site. Staff has conducted a pre-screen review and requested completion of a Sensitive Areas Certification Form. Following th�e review it appears that sensitive areas do not exist on-site or within 200' fr��m your project. In light of this result, this document will serve as your Service Pn�vide� letter as required by Resolution and Order 03-11, Section 3.02.1, and yo��r Stormwater Connection authorization frvm Clean Water Services as requirecJ by �rdinance . 27, Section 4.6. All required permits and apprvvals must be obtained and completed under applicable local, state, and federal law. This concurrence letter does NOT eliminate the ne�d to protect ��ensitive areas if they are subsequently identified on your site. If you have any questions, please feel free to call me at 503-84E:-3553. Sincerely, �� Chuck B�ckallew Environmental Plan Review E.:1Devdopmen[S�cs\S�'00-7�Concurrrnte I.entrs\2S111 ACO2901 -no srns arca�I and sc.doc .� Exhibit `G' � HALSTEtiv'S A R B O R I C U LT U R E ��Specialists in the care and preservation of trees" CONSULTANTS, INC. �� David Halstead,Consultant, B.S. Phillip Whitcomb,Consultant � P.O. Box 1182•Tualatin,OR 97062 � (503)245-1383 September 25, 2003 ` ATTN.: Mr. Stephen Poage � Tigard —Tualatin School District 23J 6960 SW Sandburg Street �, Tigard, Oregon 97223 � Reference: Tree Assessment for Proposed Development Location: Templeton Elementary School Subject: Tree Survey/Mitigation Report With your approval, we have inspected the site, site plan, Dull Olson 8� Weekes, � - -' "A1.0", dated July 2003, Templeton Elementary School, Tigard, Oregon and the trees for the proposed project located at SW Murdock Street, Tigard, Oregon. The purpose of this inspection was to identify and evaluate the preservation potential of all trees twelve inches in trunk diameter(measured at four feet above ground) and larger under the forthcoming construction in accordance with the � City of Tigard's Tree Ordinance Chapter 18.150. ,, ` We have tagged and numbered all trees, on the site plan, in the field and in this �� report that will be affected by construction development using Jk96504 through , � � JK96527 series tags for easy identification. For this report, only the last three digits will be used. The first numbered tree starts in the northeast corner of the � property. � TREE ASSESSMENT: � � There are a total of twenty four(24) trees located within the project boundanes. Fourteen trees (14) are less than finrelve inches in trunk diameter measured at {'fr � four feet above ground and are not required to be part of the City of Tigard's "Tree Mitigation Identification Program." This leaves a residual of ten (10) trees within proposed hardscape boundaries that are twelve inches in trunk diameter and larger. Two (2) of the trees, twelve inches in trunk diameter and over, are � hazardous and need to be removed and are not required to be part of the City of ` Tigard's "Tree Mitigation Identification Program". � � Hazardous trees are as follows: l Hazardous tree within the proposed hardscape over 12" in diameter at 4.5 feet � above ground are numbered: ij Tree#: 523 and 526. tmail: hac@spiritone.com vww.halsteadsarboriculture.com CCB#0068646 Page 2 September 25, 2003 Reference: Tree Assessment for Proposed Development Location: Templeton Elementary School Subject: Tree Survey/Mitigation RepoR Trees that will be preserved are as follows: The total preservable trees on site under 12" in diameter at 4.5 feet above ground are numbered: Tree#: 504, 505, 508, 510, 511, 515, 516, 518, 519, 520, 521,522, 525 and 527. The total preservable trees on site over 12" in diameter at 4.5 feet above ground are numbered: Tree#: 506, 507, 509, 512, 513, 514, 517 and 524. Trees within the proposed construction are numbered: Tree#: 517. Amount of Preservable Trees Retained = 90% (4/5*100) "Retained percentage of 75% or greater of existing trees over 12 inches in caliper requires no mitigation" according to City Ordinance 18.150.025—2b. Tree Care and Preservation Guidelines Neiqhborinq trees: There are finro trees Numbered 504 and 505 that may require therapeutic treatment depending on the amount of construction within this area. Regardless the trees and shrubs in this area will need to be pruned so as not to be a nuisance to the parking lot. On the south side of the entrance of SW Murdock Street there are Douglas-fir tree limbs overhanging the fence area by 14 feet, 5 feet above the sidewalk that will need to be pruned. Page 3 September 25, 2003 Reference: Tree Assessment for Proposed Development Location: Templeton Elementary School Subject: Tree Survey/Mitigation Report Tree Care and Preservation Guidelines: Before construction begins, preserved tree root zones will need ta be protected by the installation of orange colored Tree Protection Fencing out to the canopy dripline of preserved tree. Fencing needs to be attached to 7-foot tall steel fence posts placed eight feet apart on center forming a protective line around the preserved trees and fence posts need to be securely anchored in the soil to a depth of two feet. A small diameter cable and/or heavy wire should be weaved and sewn through the protective fencing two feet above ground to secure the fencing. The fencing, as described, will need to be maintained throughout the entirety of the project. Any work within the protected area and/or if the fencing needs to be adjusted due to hardscape construction, it will first require the approval of the consulting arborist and then be supervised on-site. Structural and deadwood tree pruning will also need to be completed during construction site preparation/site clearing in order to make these trees safe for surrounding persons and property. The arboriculture technicians working within the trees will also need to inspect the tree/s very carefully to make sure that preserved trees are well prepared for the forthcoming construction. After project completion, therapeutic fertilization will be necessary for all preserved trees to help stimulate new root growth from roots damaged during construction and replenish any loss of soil nutrients for optimum tree growth. Hazardous tree removal within project boundaries needs to be completed in a careful manner as to not damage any preserved tree. Any tree or existing stump removed within 15 feet of a preserved tree needs to have the stump groundout rather than excavated to reduce overall root trauma. Page 4 September 25, 2003 Reference: Tree Assessment for Proposed Development Location: Templeton Elementary School Subject: Tree Survey/Mitigation Report If I can be of further assistance and/or if more technical information is needed, please contact me immediately. Sincerely, �� David Halstead BS, CA ATTN.: Mr. Nick Harris Corner Stone Construction Management, Inc. 5410 SW Macadam #250 Portland, OR 97201 Ph 503.295.0108- -FX 503.295.1896 1� Exhibit �H' .� ` -� T9gard-Ttialatin School Distr�ct 23J Templeton Elementary 9500 SW Murdock Street Tigard,Oregon 97224 503-431-4850•fax 503-431-4860 Jwww.ttsd.kl2.or.us/frame_tmp.html September 3, 2003 Dea7- 1�1r. KilUy, This letter is to give you infornlation regarding the bicycle usage and need for bil<e racks at Templeton Elementary. While I have been here only one year, I have checl<ed with other staff inembers who have been here for many years. We have spots for 36 bilces and we never exceed 6 to 10 bil<es at an_y one time. Our students have not typically ridden bilces to school. Sincerely, :% ' , �/� _. �w�.� Pat Thomason, Principal Ternpleton Elementary Exhibit `I' �r�.._r.�r.. 9/8/03 .� � CORNERSTONE CONSTRUCTION MANAGEMENT,INC. C O, E R S T O N E � 5410 SW MACADAM AVE., SUITE 250 PORTLAND, OR 97239 PH. 503.295.0108 FX. 503.295.1896 NEIGHBORHOOD MEETING NDTICE Applicatio� for a Major Modification to a Conditional Use Permit for Templeton Elementary School The Tigard-Tualatin Schooi i�istrict iniends to apply ior a major modiiication io iile existing Conditional Use Permit (CUP) for Templeton Elementary School. Prior to applying to the City of Tigard for approval of the CUP modification, representatives of the School District would like to discuss the proposal with the surrounding property owners and residents, and any other interested citizens. You are invited to attend an informational meeting on: DATE September 24th, 2003 TIME: 7:00 P.M. LOCATION: Templeton Elementary School Cafeteria ADDRESS: 9500 SW Murdock St. The proposed modifications to the building will include construction of educational spaces (classrooms, computer lab, music room, and expansion of the existing inedia center); minor remodeling of the kitchen and portions of the school office area; mechanical, electrical and plumbing work; and construction of a new sprinkler system for the addition, media center and office area. In addition, some site improvements will be made, including construction of an additional parking area and re-striping of the existing parking lot. Before submitting the CUP application to the City of Tigard, the School District is required by the City to hold a neighborhood meeting to explain the proposal to interested citizens and SOI1Clt t�101I' comments. (Lat.°,r, VC!2 V.'?�l rPCrVl��P 2 IlGt:Ce fTC2:1 ��18 �'2tj' i::F.^,:,.,Fi.D yv�F aLJGilt the public hearing on this application.) Please note that this will be an informational meeting on preliminary plans. These plans may be altered prior to fhe submittai of the application to the City. If you have any questions or comments, please come to the informational meeting, or contact me at one of the places listed below. CONTACT: Nick Harris, Senior Project Manager, Cornerstone Construction Management, Inc. ADDRESS: 5410 SW Macadam, Suite#250, Portland, Oregon 97239 PHONE NUMBER: 503-295-0108 FAX NiJMBER: 503-295-1896 E-MAIL: nickh@cornerstonemgi.com SUCCESSFUL TEAMS. SUCCESSFUL PROJECTS. FREQUENTLY ASKED Citq of Tigard NEIGHBORHOOD MEETING QUESTIONS ,ShapingABet�rvCommun:�ty What Is The Puraose Of This Neighborhood Meeting? The purpose of the meeting is to allow the prospective developer to share with you what they are planning to do. This is your opportunity to become informed of their proposed development and to let them know what issues or concerns you have in regard to their proposal. hat Ha aens After The Neighborhood Meeting? After the neighborhood meeting, the prospective developer finalizes their submittal package (often taking into account citizen concerns) and submits an application to ihe City. Someiimes ii iakes a while before the develope�'s application is ready to submit, so there could be several months between the neighborhood meeting and the submittal of an application. Once an application is submitted to the City, Staff reviews it for completeness. Once an application has been deemed complete, the formal application review begins. It takes approximately 6-8 weeks from the time the application is accepted for a decision to be made. Many types of applications require a public hearing at which citizens are given the opportunity to provide comments o� concerns. For all types of applications, property owners within 500 feet of the subject parcels receive notice of the public hearing (if applicable), notice of the decision, and are given the opportunity to appeal the decision. What If The Pronosal Presented At The Neighborhaod Meeting Is Not What Is Actuallv Submitted? Applicants are not required to submit exactly what was p�esented at the neighborhood meeting if it generally follows the type of development proposed. This provides for the oppQrtunity to address the neighborhood issues and address other changes necessitated by the development or staff. If the � project is entirely different, a new neighborhood meeting would be requi�ed. In any case, notice of decision is sent to prope�ty owners within 500 feet of the p�oposed development allowing them the opportunity to appeai. How Do I Know What Issues Are Valid? A decision is reviewed based on compliance with the Tigard Development Code. Review the development code to familiarize yourself with what �s permitted and what may not be permitted. A copy of the development code is available for viewing at the Tigard City Library or a copy may be purchased at the Community Development Services counter. You may also contact City Planning staff and ask what the standards are for a specific issue. Be prepared, however, that you may not LIKE all the standards, but at least you�know what they �re. 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(5�•� 1 . f ( '�" h � 4 r� F � MCf1�1 .. t �`. :'w . �:�. � iLLC101E�' �. ^-r � .R b}��z V �� a �'- mTUeem n�o�we EBR Y`�s.� '' r e �'�,r`- ��N a ' Y ��.�"� -•c�� r ST 1 �- � . # C _ m�exo D k � r' ? rucan mrucme ��rueu�e �--��---— II' nnuc�o�o � < � miuurro� t � Si- }� � _ , � m __ ��z ,. 4 ;� ; n,�u«9o: dn„u�,,,,,�,��,,,, d�,��,,,, FOR: Ed Murphy n�o�:s� � 1--- � tsimur90 , i�ey � �`�-�'`':: rtuuno � �I zimwcnu -- m�o�t�� , i ; .:,� C y �4� �a� N �stttlon�o � �cene RE: �S I I I AC 290 I � _ �� ,�, p r .,� s ,� ,•;,�.� m�u��n�� PINEBROOK ' mroe�m� �-- ,-- �__��__��_ �6nuoot�m � mtuc�re� --- Innucuaa i Hnuuw� —_——————_—— -- ' , . �ti�: �• ,` �, i. nucorq� �-• �__—xuueazs��-- � mnaoui � \�\ \� � � \\ �� , � �� vnmeeeaw �\ �\_�, ' � ` I I � mmoiou� httue�atnf � � \ �\�\ � �� ` , 7S\4CM� 13111UNA1 IS1iMCO51p. — a ; � �_ \.\`�� t1YCA5BA0 \ �H a � a _ L_ � � � � m,wouu� _ __ Property owner information � rn�u�wee� � is valid for 3 months from �CKST �� \�.\.�\ mtucesm �� --- n,,,�oe«�� %—— \��; \t , ti� �� ___ - the date printed on this map. mtvaewt � �� \\`.�� — --- miuews�� . miie��woi \��ti � •� � \,�\\ tsirueas�oo -_!: �� \ � � �. � �� . • � � \ -- ---.._— . � � .� ttucw� �� \\\�� \mrucwn 1 - mn�oewo��-- ---�\��\�,:�` \� \ � �=�� I niru�m�� . tnueeu nm�oaxce� tsm�ooew� \�� \ �`��„� � \� --�- � mtucas�eo( � r^ � � _ � i - .�---� —. � �\�`�V � � �� '2siiueoae v �� _"� �� ^A — --�� AR—ILYN CT ��`��\\;�\ \\� � „��.�o� �u�o5so� \ '�V� � �` nucuu o nuuouu� • �/ / � nmueou7 ��`� �\ � �� , uuow��p -- imo�a'7 � � ��\�� c�u�h----1 - ntn�e�au xttnoawn -- ��. \\\ � �� \�� • \ � �\ 11LLEM)� 151iW411 �--- ��;. � ��'� �.n„��w,� _ ,��«�� —{ REILING nmro�em� �� , � � � tunsrv� lLll S� �\\ \��__. �_ . 'mtulKroo� e �— � \� \ \ � , f�u17�1 LE�L E �— � � m��uu rnnnaa�mnuoa�s • �. ��\�\ � \\\� C Q � �� \ � �1snuceu l I � � n,mno�n � \ .. .�runad� runs�JmTU�wr � --- ARMEL T�— � nmuven � .,ssea�� L �I � i _�� -�--,� �' mne�v�e� mauu000 I �ruowo � mncuue nenun' � {snuc�sfi}___�f � mnauu�mn�ussu � �mux�m � nirv.oiva� ♦ - �___� �mne�mo� ' mn�na�e� I amoma� �mnou J lsmnwv�-----� N i � I mnnwoe DAW N � I j—� CiT j__-�4snunm� w ,n�� W EST > n��ua ncu�[� � .. S�ne�utel� mnauu� � ttum�e Q mnon�e�� Rsiim�use rnnnve� I�--�_ 0 ioo 200 30o aoo Feet mn��uM� I �ne�wu ST — TTLE —I--�—L—J -_��nue��5a I 7'=303 fcet —'�— R SATTLER ( nmumuo mnnmo� nuone�—�mwfo�-- nmcumn muauu � a uui u JS111GAt1901 t tw� x x� o� �-- � nno a� n nuw e� � a e�mn 4 mnmzoo� mtm �mn�se� mmnd� n u u� mnc�n o� nme��uo W I Y - SUMMERFIEL SW /�� --� � � — Q � O� City of Tigard = W � � � Intamatlon on this ma0 is for general IocaUm oMy and � shauld ba verified vAlh the DeveJopment Sefvices Division. R GF2�IVENSTIEN LN 0 131255W HallBivd O � � Z Tigard,OR 97713 Q s� ALD p� c�3,��.,�, Mlp JAvww.d.tlga r0.or.us ('^mm��ih��evP�npr��nt pl�' �a' 4i• '7.;.. :�'�.. ..:, ,�; ..�p,-...�,_ .P� SIGN-IN SHEET Templeton Elementary School Conditional Use Permit Neighborhood Meeting September 24, 2003 A RE H r �o �� '" .S`P��D �u.J r %�v�. '`��✓- � J� ,,� j,�� c/%_ /�s� ' j�.J �� !-i,ri D n /'�/L (0 2�- 6 3 �$ , G�a�G t �N�,� w,�,�No �y� Sw �Z�� Z� �s-2 q �v � � �M�-�� -�1 do .5:..� 1 u3 � .1�„� Co ZU� 2�3S , ` � � 3 - „ ll �1 1 � U G n � /S CJ� �L � !��l u�n �-�-, '��Il �OL.Sd(..� •�k2k� d�-�cl�;�pc�5 ��N 3c�, .� �°a•.�-�� z2� •�45v ,.� . , .►: � r�t� � t_J � �B.�-�..�.�.� i-�.��`v-�6�-., -f r U^ C,r�;�o...�-- `�� '� � co R.e-'�n�,�N�E Z r 5 -o �0 8 �lC�c �� 4(�-1'�-�S 5q i o Sc� �,�.c�r-c.�� 5�,� 2sa f�� Pa ,�-�-v,-r-�, 0 2 � �23�'i edmurphy&associateslttsd/templeton/nei ghborm[glsi gn-i n/9/24/03 MINUTES Templeton Elementary Schc►ol Major Modification to a Conditional Use Permit Neighborhood Meeting September 24, 2003 The meeting started at 7:10 P.M. at the Templeton Elementary School library. Representing the Tignrd-Tualatin Schoo) District were Nick Harris, Cornerstone Construction Manngement; Pat Thomnson, Principal at Templeton; Keith Johnson, Dutl Olson Weekes; nnd Ed Murphy, Ed Murphy &Associates. Six neighbors attended the meeting. A sign-in sheet is attached. Nick Harris introduced the tea�m, Pnt Thomnson reviewed the process to identify needs and priorities for the school, Ed Murphy reviewed the Conditional Use Permit process, and Keith Johnson presented the proposed site pinn nnd building modific4tions. Topics of conversntion included: ■ What space is being ndded, and where. Added space includes a music room, classrooms, library expansion, nccessible restrooms, and a staff restroom. Approximately 9500 square feet of squnre footage is being added. Keith Johnson brought a model and graphic illustrations to help explain the proposed changes. ■ The architecturnl style of building improvements,and how the additions will fill in spnce between the existing buildings. The outside wnlls will be done in masonry instead of the concrete/grnvel walls that were used for the existing school building. - Where the money for the capitnl improvements came from. • The schedule for construction, which will be generally nbout six months, starting in spring of 2004 and continuing into early fall. ■ Separation of the construction, and construction workers, from school children and schoo) activities. Nick explained that this is a key concern, and there would be language in the in the construction documents denling with safety issues. ■ Improvements to the pnrking nren, including re-striping the existing parking lot. One person mentioned that she thought the existing row of spaces nlong the north property line were too narrow, even for smaller cnrs. ■ The student cnpacity of the school. Principal Thomason stated thnt there nre 525 students now,and it is expected to go to 590. But they have had 600 in the past, so essentially,the school cnpacity remains the same. ■ The opportunity to use the construction as a learning experience for the students. The meeting was adjourned at approximately 7:45 P.M. edmurphy&associatesl Ctsdltempl eton/nei ghborm tg/mi nutes/9/25/03 _ �"' . - / YOCG S!IRFACE , .„ v,. qiy�� - -' ': >.. �� '� rIYDRAVi f � HAISEL �i�v / '�UX r `'�\%\�.� 4� Gl , ,��t �j �' ��. �X_\ ; E x h i b i t `J' Uh'A;P. �NLE� ¢,T�.�l��'y�,/�I.: � � CAiCH HA°'A: �� \� CONC72iE BLOCK BUI�I;.':;r�� , ;'J 5lD�Ahl< �`�� pA}�.�/�. 'NA7[R?�27G. / /, ,� . . \ , -K'A IER FJil�lTAIV 54fpi AA 1lfNN0!E ' ;IRI __ ��: l''r � 8�CAS'IROIi WATER,/ � SANlTARY MANNOC£ ti'0 PAkK!NG 5!CfJ-� X . �\� / ?5 ^ -- -- .'�� /. � � �RIAh 167�4 \ / °i r `yr r i5 yti;.'J; .n (r, '�.'S3.96 � .�. <<��4...,�.o.� .�...,.� � .---- - _ _ ---T- I %'%�£R . � !( N(�N1 2F2 9< �ASPHAC J r RF_G . a -a, � .^ -`. �a-.-4- . ._.- .,/ s'_. _„c}{ YAULT .. 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YJt'�P�� DCPIRES: � 3o O (CONDITIONAL USE APPLICATION) 665� SW Redwood Lane, Suite 3fi0 Portland, Oregon 97224 � October, 2003 TEMPLETON ELEMENTARY SCHO�L PROJECT TIGARD, OREGON STORMWATER MANAGEMENT REPORT Page 2 TABLE OF CONTENTS 1. Project Overview Existing Site Information Proposed Development Agency Stormwater Criteria Proposed Stormwater Management Exchange of Treatment Areas 2. Stormwater Detention Summary Site Basin Areas Design Storm 24-Hour Rainfall Amounts Basin Curve Numbers (CN) Basin Runoff Concentration Times (Tc) Stormwater Discharge Peak Flows Detention Provided Orifice Control Structure 3. Water Quality Design TEMPLETON ELEMENTARY SCHOOL PROJECT TIGARD, OREGON STORMWATER MANAGEMENT REPORT Page 3 1. PROJECT OVERVIEW Existing Site Information The existing school is a developed site with buildings, paving, sidewalks and landscaped areas. The total develop building site is approximately 5.0 acres. Proposed Development The proposed development include the addition of new building space as well as a new 18 space parking area and a new fire department access around the north side of the building. The new impervious areas will be constructed in areas that are currently landscaped. Agency Stormwater Criteria Quantitv Control: The City of Tigard uses the Clean Water Services criteria for storm water detention. Onsite detention is required to provide quantity control for all new impervious surFace runoff. Detention will be provided to detain the 2-year storm, the 10- year storm, and the 25-year storm to pre-development levels. Qualitv Control: The City of Tigard uses the Clean Water Services manual for stormwater quality. The water quality storm is based on 0.36 inches of rain falling over 100% of the new impervious area over a 4 hour period. Proposed Stormwater Management Water quality and quantity facilities will be provided for the new impervious areas. Fabricated water quality catch basins with biofilers manufactured by Stormwater Management will be used to achieve water quality requirements. An ADS underground pipe storage system will be installed to provide adequate storage volume for stormwater detention. Exchange of Treatment Areas Per the attached sketches, the new impervious area being added with the project is tabulated as follows: Total Net New Impervious Area Created by Project New Parking Area = 5,661 sf Roof(Over Existing Pervious) = 2,426 sf Roof (Over Existing Pervious} = 2,359 sf Roof (Over Existing Pervious) = 521 sf Sidewalk = 1,089 sf Sidewalk = 279 sf Roof (Over Existing Pervious) = 432 sf Sidewalk = 559 sf New Fire Department Access = 5,742 sf Deleted Sidewalk (New Pervious) = 696 sf Total Net New Impervious Area = 18,372 sf TEMPLETON ELEMENTARY SCHOOL PROJECT TIGARD, OREGON STORMWATER MANAGEMENT REPORT Page 4 Total Paved Area Treated by Project Existing Parking/Drive Area = 7,813 sf Existing Parking/Drive Area = 5,631 sf New Parking Area = 5,661 sf Total Treated Impervious Paved Area 19,015 sf The proposed design will provide treatment and detention for the 5,661 sf of new pavement area as well as an additional 13,444 sf to compensate for the new roof area being added. 2. STORMWATER DETENTION Site Basin Areas Parkin Lot Basin Im ervi u Area Pervious Area Total Acres Pre-Development 0.00 acres 0.44 acres 0.44 Post-Develo ment 0.44 acres 0.00 acres 0.44 Desi n 24-Hour Rainfall Amounts Desi n Storm 24-Hour Rainfall Source 2-Year 2.50" Based on Clean Water Services 10-Year 3.45" Stormwater Management Manual 25-Year 3.90" Appendix A Hydrology & Hydraulics Basin Curve Numbers CN Basin SurFace CN Descri tion Parking Lot New Impervious 98 AC Paving Existin Greenfield 82 Lawn Concentration Times Tc Basin Pre/Post Tc Descri tio Parking Lot Pre-Dev 10 min Post-Dev 5 min Stormwater Discharge Flows Parkin Lot ' Desi n Storm PreDev Peak PostDev Peak Re . De . Vol. 2 Year 0.093 cfs 0.283 cfs 587 cf 10 Year 0.181 cfs 0.396 cfs 713 cf 25-Year 0.225 cfs 0.449 cfs 725 cf TEMPLETON ELEMENTARY SCHOOL PROJECT TIGARD, OREGON STORMWATER MANAGEMENT REPORT Page 5 Detention Provided Underground System 18" Diameter ADS Pipe Detention Volume: (450 If) x 1.75 cf/lf = 788 cf Basin Re . Det. Vol. Desi n Det. Vol Parkin Lot 725 cf 788 cf Orifice Control Structure Basin Orifice 1 Orifice 1 Orifice 2 Orifice 2 Overflow Diameter Hei ht Diameter Hei ht Elevation Parkin Lot 1.8" Outlet IE 6" 15.6" 18" 3. WATER QUALITY DESIGN Impervious Area = 0.44 acres = 19,015 sf Rainfall = 0.36" _ Time Period = 4 hours Water Quality Volume = (19,015)(0.36) / 12 = 570 cf Water Quality Flow = 570 / 14,400 = 0.0396 cfs = 17.8 gpm Summarv Use Stormwater Management catch basins. A minimum of two catch basins is needed to provide water quality. Site topography requires that three will be needed. 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(Pre-Developed Site Conditions) PERVIOUS Parcel IMPERVIOUS Parcel Area = 0.44 acres Area = 0 acres CN = 82 CN = 98 S = 2.20 S = 0.20 0.2S = 0.44 0.2S = 0.04 Compute:Developed Conditions Runoff hydrograph Column(3)= SCS Type IA Rainfall Distribution Column(4)=Col. (3)x Pt= 10 year-24 Hour Hyetograph at this location. Column(5)=Accumulated Sum of Col. (4) Column(6)_[If P<=0.2S]=0; Note, use PERVIOUS Area"S"value. [If P>0.2SJ=(Col.(5)-0.2S)^2/(Col.(5)+0.8S); Using the PERVIOUS Area"S"value. Column(7)=Col.(6)of Present Time Step-Col.(6)of Previous Time Step Column(8)= Same method as for Col.(6),except use the IMPERVIOUS Area"S"value. Column(9)=Col.(8)of the present time step-Col.(8)of the previous time step. Column (10)_((PERVIOUS area/Total area)x Col.(7))+ ((IMPERVIOUS area/Total area)x Col.(9)) Column(11)_(60.5 x Col.(10)x Total Area)/10(dt= 10 minutes) Routing Constant,w=dt/(2Tc+dt) = 0.3333 Column(12)=Col.(12)of Previous Time Step+(w x[Col.(11)of Previous Time Step + Col.(11)of Present Time Step-(2 x Col.(12)of Previous Time 5tep})) Pervious Area Impervious Area ��) (Z) (3? (4) �5) (6) (�) (8) �9) (��) �11) (12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. %of Pt in. in. in. in. in. in. in. cfs cfs 1 10 0.0040 0.0100 0.0100 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 2 20 0.0040 0.0100 0.0200 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 3 30 0.0040 0.0100 0.0300 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 4 40 0.0040 0.0100 0.0400 0.�000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 5 50 0.0040 0.0100 0.0500 0.0000 0.0000 0.0004 0.0004 0.0000 0.0 0.000 6 60 0.0040 0.0100 0.0600 0.0000 0.0000 0.0016 0.�013 0.0000 0.0 0.000 7 70 0.0040 0.0100 0.0700 0.0000 0.0000 0.0037 0.0020 0.0000 0.0 0.000 8 80 0.0040 0.0100 0.0800 0.0000 0.0000 0.0063 0.�027 0.0000 0.0 0.000 9 90 0.0040 0.0100 0.0900 0.0000 0.0000 0.0096 0.0032 0.0000 0.0 0.000 10 100 0.0040 0.0100 0.1000 0.0000 0.0000 0.0133 0.0038 0.0000 0.0 0.000 11 110 0.0050 0.0125 0.1125 0.0000 0.0000 0.0186 0.0053 0.0000 0.0 0.000 12 120 0.0050 0.0125 0.1250 0.0000 0.0000 0.0246 0.0060 0.0000 0.0 0.000 13 130 0.0050 0.0125 0.1375 0.0000 0.0000 0.0311 0.0065 0.0000 0.0 0.000 14 140 0.0050 0.0125 0.1500 0.0000 0.0000 0.0381 0.0070 0.0000 0.0 0.000 15 150 0.0050 0.0125 0.1625 0.0000 0.0000 0.0455 0.0074 0.0000 0.0 0.000 16 160 0.0050 0.0125 0.1750 0.0000 0.0000 0.0532 0.0078 0.0000 0.0 0.000 17 170 0.0060 0.0150 0.1900 0.0000 0.0000 0.0630 0.0098 0.0000 0.0 0.000 18 180 0.0060 0.0150 0.2050 0.0000 0.0000 0.0732 O.D102 0.0000 0.0 0.000 19 190 0.0060 0.0150 0.2200 0.0000 0.0000 0.0838 0.0106 0.0000 0.0 0.000 20 200 0.0060 0.0150 0.2350 D.0000 0.0000 0.0947 0.0109 0.0000 0.0 0.000 21 210 0.0060 0.0150 0.2500 0.0000 0.0000 0.1059 0.0112 0.0000 0.0 0.000 22 220 0.0060 0.0150 0.2650 0.0000 0.0000 0.1174 0.0115 0.0000 0.0 0.000 23 230 0.0070 0.0175 0.2825 0.0000 0.0000 0.1310 0.0137 0.0000 0.0 0.000 24 240 0.0070 0.0175 0.3000 0.0000 0.0000 0.1450 0.0140 0.0000 0.0 0.000 25 250 0.0070 0.0175 0.3175 0.0000 0.0000 0.1592 0.0142 0.0000 0.0 0.000 26 260 0.0070 0.0175 0.3350 0.0000 0.0000 0.1737 0.0145 0.0000 0.0 0.000 27 270 0.0070 0.0175 0.3525 �.0000 0.0000 0.1884 0.0147 0.0000 0.0 0.000 Pervious Area Impervious Area �1) �2) (3) �4) �5) ts) ��) �8) �9) ��) (��) �12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 28 280 0.0070 0.0175 0.3700 0.0000 0.0000 0.2032 0.0148 0.0000 0.0 0.000 29 290 0.0082 0.0205 0.3905 0.0000 0.0000 02208 0.0176 0.0000 0.0 0.000 30 300 0.0082 0.0205 0.4110 0.0000 0.0000 0.2386 0.0178 0.0000 0.0 0.000 31 310 0.0082 0.0205 0.4315 0.0000 0.0000 0.2566 0.0180 0.0000 0.0 0.000 32 320 0.0082 0.0205 0.4520 0.0001 0.0001 0.2748 0.0182 0.0001 0.0 0.000 33 330 0.0082 0.0205 0.4725 0.0005 0.0004 0.2931 0.0183 0.0004 0.0 0.000 34 340 0.0082 0.0205 0.4930 0.0013 0.0008 0.3116 0.0185 0.0008 0.0 0.001 35 350 0.0095 0.0238 0.5168 0.0027 0.0014 0.3331 0.0215 0.0014 0.0 0.002 36 360 0.0095 0.0238 0.5405 0.0045 0.0018 0.3548 0.0217 0.0018 0.0 0.004 37 370 0.0095 0.0238 0.5643 0.0068 0.0023 0.3766 0.0218 0.0023 0.0 0.005 38 380 0.0095 0.0238 0.5880 0.0095 0.0027 0.3985 0.0219 0.0027 0.0 0.006 39 390 0.0095 0.0238 0.6118 0.0126 0.0031 0.4206 0.0221 0.0031 0.0 0.007 40 400 0.0095 0.0238 0.6355 0.0161 0.0035 0.4427 0.0222 0.0035 0.0 0.008 41 410 0.0134 0.0335 0.6690 0.0218 0.0057 0.4741 0.0314 0.0057 0.0 0.011 42 420 0.0134 0.0335 0.7025 0.0282 0.0064 0.5057 0.0316 0.0064 0.0 0.014 43 430 0.0134 0.0335 0.7360 0.0354 0.0072 0.5374 0.0317 0.0072 0.0 0.017 44 440 0.0180 0.0450 0.7810 0.0461 0.0107 0.5802 0.0428 0.0107 0.0 0.021 45 450 0.0180 0.0450 0.8260 0.0580 0.0119 0.6232 0.0430 0.0119 0.0 0.027 46 460 0.0340 0.0850 0.9110 0.0835 0.0255 0.7049 0.0817 0.0255 0.1 0.042 47 470 0.0540 0.1350 1.0460 0.1315 0.0480 0.8355 0.1307 0.0480 0.1 0 48 480 0.0270 0.0675 1.1135 0.1585 0.0271 0.9012 0.0657 0.0271 0.1 0.093 Q peak 49 490 0.0180 0.0450 1.1585 0.1776 0.0191 0.9451 0.0439 0.0191 0.1 . 50 500 0.0134 0.0335 1.1920 0.1923 0.0147 0.9778 0.0327 0.0147 0.0 0.054 51 510 0.0134 0.0335 1.2255 0.2075 0.0151 1.0106 0.0328 0.0151 0.0 0.044 52 520 0.0134 0.0335 1.2590 0.2230 0.0155 1.0434 0.0328 0.0155 O.D 0.042 53 530 0.0088 0.0220 1.2810 0.2334 0.0104 1.0649 0.0216 0.0104 0.0 0.037 54 540 0.0088 0.0220 1.3030 0.2440 0.0106 1.0865 0.0216 0.a106 0.� 0.031 55 550 0.0088 0.0220 1.3250 0.2548 0.0108 1.1081 0.0216 0.0108 0.0 0.029 56 560 0.0088 �.0220 1.3470 0.2657 0.0109 1.1297 0.0216 0.0109 0.0 0.029 57 570 0.0088 0.0220 1.3690 0.2767 0.0111 1.1513 0.0216 0.0111 0.0 0.029 58 580 0.0088 0.0220 1.3910 0.2880 0.0112 1.1729 0.0216 0.0112 0.0 0.030 59 590 0.0088 0.0220 1.4130 0.2993 0.0114 1.1945 0.0216 0.0114 0.0 0.030 60 600 0.0088 0.0220 1.4350 0.3109 0.0115 1.2162 0.0216 0.0115 0.0 0.030 61 610 D.0088 0.0220 1.4570 0.3225 0.0117 1.2378 0.0216 0.0117 0.0 0.031 62 620 0.0088 0.0220 1.4790 0.3343 0.0118 1.2595 0.0217 0.0118 0.0 0.031 63 630 0.0088 0.0220 1.5010 0.3463 0.0119 1.2811 0.0217 0.0119 0.0 0.031 64 640 0.0088 0.0220 1.5230 0.3583 0.0121 1.3028 0.0217 0.0121 0.0 0.032 65 650 0.0072 0.0180 1.5410 0.3683 0.0100 1.3205 0.0177 0.0100 0.0 0.030 66 660 0.0072 0.0180 1.5590 0.3784 0.0101 1.3383 0.0177 0.0101 0.0 0.028 67 670 0.0072 0.0180 1.5770 0.3885 0.0102 1.3560 0.0177 0.0102 0.0 0.027 68 680 0.0072 0.0180 1.5950 0.3988 0.0102 1.3738 0.0178 0.0102 0.0 0.027 69 690 0.0072 0.0180 1.6130 0.4091 0.0103 1.3915 0.0178 0.0103 0.0 0.027 70 700 0.0072 0.0180 1.6310 0.4195 0.0104 1.4093 0.0178 0.0104 0.0 0.027 71 710 n.0072 0.0180 1.6490 0.4300 0.0105 1.4271 0.0178 0.0105 0.0 0.028 72 720 0.0072 0.0180 1.6670 0.4405 0.0106 1.4449 0.0178 0.0106 0.0 0.028 73 730 0.0072 0.0180 1.6850 0.4512 0.0106 1.4626 0.0178 0.0106 0.0 0.028 74 740 0.0072 0.0180 1.7030 0.4619 0.0107 1.4804 0.0178 0.0107 0.0 0.028 75 750 0.0072 0.0180 1.7210 0.4727 0.0108 1.4982 0.0178 0.0108 0.0 0.029 76 760 0.0072 0.0180 1.7390 0.4835 0.0109 1.5160 0.0178 0.0109 0.0 0.029 77 770 0.0057 0.0143 1.7533 0.4922 0.0087 1.5301 0.0141 0.0087 0.0 0.027 78 780 0.0057 0.0143 1.7675 0.5009 0.0087 1.5442 0.0141 0.0087 0.0 0.024 79 790 0.0057 0.0143 1.7818 0.5096 0.0087 1.5583 0.0141 0.0087 0.0 0.024 80 800 0.0057 0.0143 1.7960 0.5184 0.0088 1.5724 0.0141 0.0088 0.0 0.023 81 810 0.0057 0.0143 1.8103 0.5272 0.0088 1.5865 0.0141 O.D088 0.0 0.023 Pervious Area Impervious Area ��) (2) �3) �4) �5) �6) ��) �$) �9) ��) ��) (12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydra hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 82 820 0.0057 0.0143 1.8245 0.5361 0.0089 1.6006 0.0141 0.0089 0.0 0.024 83 830 0.0057 0.0143 1.8388 0.5450 0.0089 1.6147 0.0141 0.0089 0.0 0.024 84 840 0.0057 0.0143 1.8530 0.5540 0.0090 1.6288 0.0141 0.0090 0.0 0.024 85 850 0.0057 0.0143 1.8673 0.5630 0.0090 1.6429 0.0141 0.0090 0.0 0.024 86 860 0.0057 0.0143 1.8815 0.5720 0.0090 1.6570 0.0141 0.0090 0.0 0.024 87 870 0.0057 0.0143 1.8958 0.5811 0.0091 1.6711 0.0141 0.0091 0.0 0.024 88 880 0.0057 0.0143 1.9100 0.5902 0.0091 1.6852 0.0141 0.0091 0.0 0.024 89 890 0.0050 0.0125 1.9225 0.5982 0.0080 1.6976 0.0124 0.0080 0.0 0.023 90 900 0.0050 0.0125 1.9350 0.6063 0.0081 1.7100 0.0124 0.0081 0.0 0.022 91 910 0.0050 0.0125 1.9475 0.6144 0.0081 1.7223 0.0124 0.0081 0.0 0.022 92 920 0.0050 0.0125 1.9600 0.6225 0.0081 1.7347 0.0124 0.0081 0.0 0.022 93 930 0.0050 0.0125 1.9725 0.6307 0.0082 1.7471 0.0124 0.0082 0.0 0.022 94 940 0.0050 0.0125 1.9850 0.6389 0.0082 1.7595 0.0124 0.0082 0.0 0.022 95 950 0.0050 0.0125 1.9975 0.6471 0.0082 1.7719 0.0124 0.0082 0.0 0.022 96 960 0.0050 0.0125 2.0100 0.6553 0.0082 1.7843 0.0124 0.0082 0.0 0.022 97 970 0.0050 0.0125 2.0225 0.6636 0.0083 1.7967 0.0124 0.0083 0.0 0.022 98 980 0.0050 0.0125 2.0350 0.6719 0.0083 1.8090 0.0124 0.0083 0.0 0.022 99 990 0.0050 0.0125 2.0475 0.6802 0.0083 1.8214 0.0124 0.0083 0.0 0.022 100 1000 0.0050 0.0125 2.0600 0.6885 0.0084 1.8338 0.0124 0.0084 0.0 0.022 101 1010 0.0040 0.0100 2.0700 0.6952 0.0067 1.8438 0.0099 0.0067 0.0 0.021 102 1020 0.0040 0.0100 2.0800 0.7020 O.OQ67 1.8537 0.0099 0.0067 0.0 0.019 103 1030 0.004� 0.0100 2.0900 0.7087 0.0067 1.8636 0.0099 0.0067 0.0 0.018 104 1040 0.0040 0.0100 2.1000 0.7154 0.0068 1.8735 0.0099 0.0068 0.0 0.018 105 1050 0.004� 0.0100 2.1100 0.7222 0.0068 1.8834 0.0099 0.0068 0.0 0.018 106 1060 0.0040 0.0100 2.1200 0.7290 0.0068 1.8933 0.0099 0.0068 0.0 0.018 107 1070 0.0040 0.0100 2.1300 0.7358 0.0068 1.9033 0.0099 0.0068 0.0 0.018 108 1080 0.0040 0.0100 2.1400 0.7426 0.0068 1.9132 0.0099 0.0068 0.0 0.018 109 1090 0.0040 0.0100 2.1500 0.7495 0.0068 1.9231 0.0099 0.0068 0.0 0.018 110 1100 0.0040 0.0100 2.1600 0.7563 0.0068 1.9330 0.0099 0.0068 0.0 0.018 111 1110 0.0040 0.0100 2.1700 0.7632 0.0069 1.9430 0.0099 0.0069 0.0 0.018 112 1120 0.0040 0.0100 2.1800 0.7701 0.0069 1.9529 0.0099 0.0069 0.0 0.018 113 1130 0.0040 0.0100 2.1900 0.7769 0.0069 1.9628 0.0099 0.0069 0.0 0.018 114 1140 0.0040 0.0100 2.2000 0.7839 0.0069 1.9727 0.0099 0.0069 0.0 0.018 115 1150 0.0040 0.0100 2.2100 0.7908 0.0069 1.9827 0.0099 0.0069 0.0 0.018 116 1160 0.0040 0.0100 2.2200 0.7977 0.0069 1.9926 0.0099 0.0069 0.0 0.018 117 1170 0.0040 0.0100 2.2300 0.8047 0.0070 2.0025 0.0099 0.0070 0.0 0.018 118 1180 0.0040 0.0100 2.2400 0.8117 0.0070 2.0124 0.0099 0.0070 0.0 0.019 119 1190 0.0040 0.0100 22500 0.81 S7 0.0070 2.0224 0.0099 0.0070 0.0 0.019 120 1200 0.0040 0.0100 2.2600 0.8257 0.0070 2.0323 0.0099 0.0070 0.0 0.019 121 1210 0.0040 0.0100 2.2700 0.8327 0.0070 2.0422 0.0099 0.0070 0.0 0.019 122 1220 0.0040 0.0100 2.2800 0.8397 0.0070 2.0521 0.0099 0.0070 0.0 0.019 123 1230 0.0040 0.0100 22900 0.8468 0.0070 2.0621 0.0099 0.0070 0.0 0.019 124 1240 0.0040 0.0100 2.3000 0.8538 0.0071 2.0720 0.0099 0.0071 0.0 0.019 125 1250 0.0040 0.0100 2.3100 0.8609 0.0071 2.0819 0.0099 0.0071 0.0 0.019 126 1260 0.0040 0.0100 2.3200 0.8680 0.0071 2.0919 0.0099 0.0071 0.0 0.019 127 1270 0.0040 0.0100 2.3300 0.8751 0.0071 2.1018 0.0099 0.0071 0.0 0.019 128 1280 0.0040 0.0100 2.3400 0.8822 0.0071 2.1117 0.0099 0.0071 0.0 0.019 129 1290 0.0040 0.0100 2.3500 0.8894 0.�071 2.1217 0.0099 0.0071 0.0 0.019 130 1300 0.0040 0.0100 2.3600 0.8965 0.0071 2.1316 0.0099 0.0071 0.0 0.019 131 1310 0.0040 0.0100 2.3700 0.9037 O.D072 2.1415 0.0099 0.0072 0.0 0.019 132 1320 0.0040 0.0100 2.3800 0.9109 0.0072 2.1515 0.0099 0.0072 0.0 0.019 133 1330 0.0040 0.0100 2.3900 0.9180 O.D072 2.1614 0.0099 0.0072 0.0 0.019 134 1340 0.0040 0.0100 2.4000 0.9252 0.0072 2.1714 0.0099 0.0072 0.0 0.019 Pervious Area Impervious Area ��) �2) �3) �4) �5) �6) ��) �8) �9) ��) ��) �12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total tnstant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 135 1350 0.0040 0.0100 2.4100 0.9325 0.0072 2.1813 0.0099 0.0072 0.0 0.019 136 1360 0.0040 0.0100 2.4200 0.9397 0.0072 2.1912 0.0099 0.0072 0.0 0.019 137 1370 0.0040 0.0100 2.4300 0.9469 0.0072 2.2012 0.0099 0.0072 0.0 0.019 138 1380 0.0040 0.0100 2.4400 0.9542 0.0073 22111 0.0099 0.0073 0.0 0.019 139 1390 0.0040 0.0100 2.4500 0.9615 0.0073 2.2210 0.0099 0.0073 0.0 0.019 140 1400 0.0040 0.0100 2.4600 0.9687 0.0073 2.2310 0.0099 0.0073 0.0 0.019 141 1410 0.0040 0.0100 2.4700 0.9760 0.0073 2.2409 0.0099 0.0073 0.0 0.019 142 1420 0.0040 0.0100 2.4800 0.9834 0.0073 2.2509 0.0099 0.0073 0.0 0.019 143 1430 0.0040 0.0100 2.4900 0.9907 0.0073 2.2608 0.0099 0.0073 0.0 0.019 144 1440 0.0040 0.0100 2.5000 0.9980 0.0073 2.2707 0.0099 0.0073 0.0 0.019 ' Total Volume of Runoff= 1582.316 cu.ft. (Found by summing this column and multiplying by 600. 600 is the conversion required to convert SUM(Q)in cfs to total volume in cubic feet as follows: V=SUM(Q)x dt (cu.ft.)_(cu.fUs)x(10 min.)x(60 s/min.) STORMWATER CALCULATIG ATRIX-SANTA BARBARA HYDROGRAPGH HOD Date: Oct-03 Given: Project= TEMPLETON -PARKING LOT Area = 0.44 acres - Pt = 2.5 inches 2-Year/24 Hour 5torm dt = 10 min. Tc = 5 min. (Post-Developed Site Conditions) PERVIOUS Parcel IMPERVIOUS Parcel Area = 0 acres Area = 0.44 acres CN = 82 CN = 98 S = 2.20 S = 0.20 0.2S = 0.44 0.25 = 0.04 Compute:Developed Conditions Runoff hydrograph Column (3)=SCS Type IA Rainfall Distribution Column(4)=Col. (3)x Pt= 10 year-24 Hour Hyetograph at this location. Column(5)=Accumulated Sum of Col.(4) Column(6)_[If P<=0.2S] =0;Note, use PERVIOUS Area"S"value. [If P >0.2S]_(Col.(5)-0.2S)^2/(Col.(5)+0.8S); Using the PERVIOUS Area"S"value. Column(7)=Col.(6)of Present Time Step-Col.(6)of Previous Time Step Column (8)=Same method as for Col.(6), except use the IMPERVIOUS Area"5"value. Column(9)=Col.(8)of the present time step-Col.(8)of the previous time step. Column(10}_((PERVIOUS area/Total area)x Col.(7))+((IMPERVIOUS area/Total area)x Col.(9)) Column (11)_(60.5 x Col.(10)x Total Area)/ 10(dt= 10 minutes) Routing Constant,w=dt/(2Tc+dt) = 0.5000 Column(12)=Col.(12)of Previous Time Step+(w x�Col.(11)of Previous Time Step +Col.(11)of Present Time Step-(2 x Col.(12)of Previous Time Step)J} Pervious Area Impervious Area ��) �2) �3) �4) �5) �6) �7) �8) �9} (10) (11) (12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydra hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. %of Pt in. in. in. in. in. in. in. cfs cfs 1 10 0.0040 0.0100 0.0100 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 2 20 0.0040 0.0100 0.0200 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 3 30 0.0040 0.0100 0.0300 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 4 40 0.0040 0.0100 0.0400 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 5 50 0.0040 0.0100 0.0500 0.0000 0.0000 0.0004 0.0004 0.0004 0.0 0.001 6 60 0.0040 0.0100 0.0600 0.0000 0.0000 0.0016 0.0013 0.0013 0.0 0.002 7 70 0.0040 0.0100 0.0700 0.0000 0.0000 0.0037 0.0020 0.0020 0.0 0.004 8 80 0.0040 0.0100 0.0800 0.0000 0.0000 0.0063 0.0027 0.0027 0.0 0.006 9 90 0.0040 0.0100 0.0900 0.0000 0.0000 0.0096 0.0032 0.0032 0.0 0.008 10 100 0.0040 0.0100 0.1000 0.0000 0.0000 0.0133 0.0038 0.0038 0.0 0.009 11 110 0.0050 0.0125 0.1125 0.0000 0.0000 0.0186 O.OQ53 0.0053 0.0 0.012 12 120 0.0050 0.0125 0.1250 0.0000 0.0000 0.0246 0.0060 0.0060 0.0 0.015 13 �30 0.0050 0.0125 0.1375 0.0000 0.0000 0.0311 0.0065 0.0065 0.0 0.017 14 140 0.0050 0.0125 0.1500 0.0000 0.0000 0.0381 0.0070 0.0070 0.0 0.018 15 150 0.0050 0.0125 0.1625 0.0000 0.0000 0.0455 0.0074 0.0074 0.0 0.019 16 160 0.0050 0.0125 0.1750 0.0000 0.0000 0.0532 0.0078 �.0078 0.0 0.020 17 170 0.0060 0.0150 0.1900 0.0000 0.0000 0.0630 0.0098 0.0098 0.0 0.023 18 180 0.0060 0.0150 0.2050 0.0000 0.0000 0.0732 0.0102 0.0102 0.0 0.027 19 190 0.0060 0.0150 0.2200 0.0000 0.0000 0.0838 0.0106 0.0106 0.0 0.028 20 200 0.0060 0.0150 0.2350 0.0000 0.0000 0.0947 0.0109 0.0109 0.0 0.029 21 210 0.0060 0.0150 0.2500 0.0000 0.0000 0.1059 0.0112 0.0112 0.0 0.029 22 220 0.0060 0.0150 0.2650 0.0000 0.0000 0.1174 0.0115 0.0115 0.0 0.030 23 230 0.0070 0.0175 0.2825 0.0000 0.0000 0.1310 0.0137 0.0137 0.0 0.033 24 240 0.0070 0.0175 0.3000 0.0000 0.0000 0.1450 0.0140 0.0140 0.0 0.037 25 250 0.0070 0.0175 0.3175 0.0000 0.0000 0.1592 0.0142 0.0142 0.0 0.038 26 260 0.0070 0.0175 0.3350 0.0000 0.0000 0.1737 0.0145 0.0145 0.0 D.038 27 270 0.0070 0.0175 0.3525 0.0000 0.0000 0.1884 0.0147 0.0147 0.0 0.039 Pervious Area Impervious Area ��) �2) (3) �4) (5) �6) ��) (8) �9) ��) �11) �12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 28 280 0.0070 0.0175 0.3700 0.0000 0.0000 0.2032 0.0148 0.0148 0.0 0.039 29 290 0.0082 0.0205 0.3905 0.0000 0.0000 0.2208 0.0176 0.0176 0.0 0.043 30 300 0.0082 0.0205 0.4110 0.0000 0.0000 0.2386 0.0178 0.0178 0.0 0.047 31 310 0.0082 0.0205 0.4315 0.0000 0.0000 0.2566 0.0180 0.0180 0.0 0.048 32 320 0.0082 0.0205 0.4520 0.0001 0.0001 0.2748 0.0182 0.0182 0.0 0.048 33 330 0.0082 0.0205 0.4725 0.0005 0.0004 0.2931 0.0183 0.0183 0.0 0.049 34 340 0.0082 0.0205 0.4930 0.0013 0.0008 0.3116 0.0185 0.0185 0.0 0.049 35 350 0.0095 0.0238 0.5168 0.0027 0.0014 0.3331 0.0215 0.0215 0.1 0.053 36 360 0.0095 0.0238 0.5405 0.0045 0.0018 0.3548 0.0217 0.0217 0.1 0.058 37 370 0.0095 0.0238 0.5643 0.0068 0.0023 0.3766 0.0218 0.0218 0.1 0.058 38 380 0.0095 0.0238 0.5880 0.0095 0.0027 0.3985 0.0219 0.0219 0.1 0.058 39 390 0.0095 0.0238 0.6118 0.0126 0.0031 0.4206 0.0221 0.0221 0.1 0.059 40 400 0.0095 0.0238 0.6355 0.0161 0.0035 0.4427 0.0222 0.0222 0.1 0.059 41 410 0.0134 0.0335 0.6690 0.0218 0.0057 0.4741 0.0314 0.0314 0.1 0.071 42 420 0.0134 0.0335 0.7025 0.0282 0.0064 0.5057 0.0316 0.0316 0.1 0.084 43 430 0.0134 0.0335 0.7360 0.0354 0.0072 0.5374 0.0317 0.0317 0.1 0.084 44 440 0.0180 0.0450 0.7810 0.0461 0.0107 0.5802 0.0428 0.0428 0.1 0.099 45 450 0.0180 0.0450 0.8260 0.0580 0.0119 0.6232 0.0430 0.0430 0.1 0.114 46 460 0.0340 0.0850 0.9110 0.0835 0.0255 0.7049 0.0817 0.0817 0.2 47 470 0.0540 0.1350 1.0460 0.1315 0.0480 0.8355 0.1307 0.1307 0.3 0.283 48 480 0.0270 0.0675 1.1135 0.1585 0.0271 0.9012 0.0657 0.0657 0.2 . eak 49 490 0.0180 0.0450 1.1585 0.1776 0.0191 0.9451 0.0439 0.0439 0.1 0.146 50 500 0.0134 0.0335 1.1920 0.1923 0.0147 0.9778 0.0327 0.0327 0.1 0.102 51 510 0.0134 0.0335 1.2255 0.2075 0.0151 1.0106 0.0328 0.0328 0.1 0.087 52 520 0.0134 0.0335 1.2590 0.2230 0.0155 1.0434 0.0328 0.0328 0.1 0.087 53 530 0.0088 0.0220 1.2810 0.2334 0.0104 1.0649 0.a216 0.0216 0.1 0.072 54 540 0.0088 0.0220 1.3030 0.2440 0.0106 1.0865 0.0216 0.0216 0.1 0.057 55 550 0.0088 0.0220 1.3250 0.2548 0.0108 1.1081 0.0216 0.0216 0.1 0.057 56 560 0.0088 0.0220 1.3470 0.2657 0.0109 1.1297 0.0216 0.0216 0.1 0.057 57 570 0.0088 0.0220 1.3690 0.2767 0.0111 1.1513 0.0216 0.0216 0,1 0.05? 58 580 0.0088 0.0220 1.3910 0.2880 0.0112 1.1729 0.0216 0.0216 0.1 0.058 59 590 0.0088 0.0220 1.4130 0.2993 0.0114 1.1945 0.0216 0.0216 0.1 0.058 60 600 0.0088 0.0220 1.4350 0.3109 0.0115 1.2162 0.0216 0.0216 0.1 0.058 61 610 0.0�88 0.0220 1.4570 0.3225 0.0117 1.2378 0.0216 0.0216 0.1 0.058 62 620 0.0�88 0.0220 1.4790 0.3343 0.0118 1.2595 0.0217 0.0217 0.1 0.058 63 630 0.0088 0.0220 1.5010 0.3463 0.0119 1.2811 0.0217 0.0217 0.1 0.058 64 640 0.0088 0.0220 1.5230 0.3583 0.0121 1.3028 0.0217 0.0217 0.1 0.058 65 650 0.0072 0.01 SO 1.5410 0.3683 0.0100 1.3205 0.0177 0.0177 0.0 0.052 66 660 0.0072 0.0180 1.5590 0.3784 0.0101 1.3383 0.0177 0.0177 0.0 0.047 67 670 0.0072 0.0180 1.5770 0.3885 0.0102 1.3560 0.0177 0.0177 0.0 0.047 68 680 0.0072 0.0180 1.5950 0.3988 0.0102 1.3738 0.0178 0.0178 0.0 0.047 69 690 0.0072 0.0180 1.6130 0.4091 0.0103 1.3915 0.0178 0.0178 0.0 0.047 70 700 0.0072 O.Q180 1.6310 0.4195 0.0104 1.4093 0.0178 0.0178 0.0 0.047 71 710 0.0072 0.0180 1.6490 0.4300 0.0105 1.4271 0.0178 0.0178 0.0 0.047 72 720 0.0072 0.0180 1.6670 0.4405 0.0106 1.4449 0.0178 0.0178 0.0 0.047 73 730 0.0072 0.0180 1.6850 0.4512 0.0106 1.4626 0.0178 0.0178 0.0 0.047 74 740 0.0072 0.0180 1.7030 0.4619 0.0107 1.4804 0.0178 0.0178 0.0 0.047 75 750 0.0072 0.0180 1.7210 0.4727 0.0108 1.4982 0.0178 0.0178 0.0 0.047 76 760 0.0072 0.0180 1.7390 0.4835 0.0109 1.5160 0.0178 0.0178 0.0 0.047 77 770 0.0057 0.0143 1.7533 0.4922 0.0087 1.5301 0.0141 0.0141 0.0 0.042 78 780 0.0057 0.0143 1.7675 0.5009 0.0087 1.5442 0.0141 0.0141 0.0 0.038 79 790 0.0057 0.0143 1.7818 0.5096 0.0087 1.5583 0.0141 0.0141 0.0 0.038 80 80� 0.0057 0.0143 1.7960 0.5184 0.0088 1.5724 0.0141 0.0141 0.0 0.038 81 810 0.0057 0.0143 1.8103 0.5272 0.0088 1.5865 0.0141 0.0141 0.0 0.038 Pervious Area Impervious Area f�) �2) (3) (4) (5) �6) ��) ($) f9) (��? (11) (12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 82 820 0.0057 0.0143 1.8245 0.5361 0.0089 1.6006 0.0141 0.0141 0.0 0.038 83 830 0.0057 0.0143 1.8388 0.5450 0.0089 1.6147 0.0141 0.0141 0.0 0.038 84 840 0.0057 0.0143 1.8530 0.5540 0.0090 1.6288 0.0141 0.0141 0.0 0.038 85 850 0.0057 0.0143 1.8673 0.5630 0.0090 1.6429 0.0141 0.0141 0.0 0.038 86 860 0.0057 0.0143 1.8815 0.5720 0.0090 1.6570 0.0141 0.0141 0.0 0.038 87 870 0.0057 0.0143 1.8958 0.5811 0.0091 1.6711 0.0141 0.0141 0.0 0.038 88 880 0.0057 0.0143 1.9100 0.5902 0.0091 1.6852 0.0141 0.0141 0.0 0.038 89 890 0.0050 0.0125 1.9225 0.5982 0.0080 1.6976 0.0124 0.0124 0.0 0.035 90 900 0.0050 0.0125 1.9350 0.6063 0.0081 1.7100 0.0124 0.0124 0.0 0.033 91 910 0.0050 0.0125 1.9475 0.6144 0.0081 1.7223 0.0124 0.0124 Q.0 0.033 92 920 0.0050 0.0125 1.9600 0.6225 0.0081 1.7347 0.0124 0.0124 0.0 0.033 93 930 0.0050 0.0125 1.9725 0.6307 0.0082 1.7471 0.0124 0.0124 0.0 0.033 94 940 0.0050 0.0125 1.9850 0.6389 0.0082 1.7595 0.0124 0.0124 0.0 0.033 95 950 0.0050 0.0125 1.9975 0.6471 0.0082 1.7719 0.0124 0.0124 0.0 0.033 96 960 0.0050 0.0125 2.0100 0.6553 0.0082 1.7843 0.0124 0.0124 0.0 0.033 97 970 0.0050 0.0125 2.0225 0.6636 0.0083 1.7967 0.0124 0.0124 0.0 0.033 98 980 0.0050 0.0125 2.0350 0.6719 0.0083 1.8090 0.0124 0.0124 0.0 0.033 99 990 0.0050 0.0125 2.0475 0.6802 0.0083 1.8214 0.0124 0.0124 0.0 0.033 100 1000 0.0050 0.0125 2.0600 0.6885 0.0084 1.8338 0.0124 0.0124 0.0 0.033 101 1010 0.0040 0.0100 2.0700 0.6952 0.0067 1.8438 0.0099 0.0099 0.0 0.030 102 1020 0.0040 0.0100 2.0800 0.7020 0.0067 1.8537 0.0099 0.0099 0.0 0.026 103 1030 0.0040 0.0100 2.0900 0.7087 0.0067 1.8636 0.0099 0.0099 0.0 0.026 104 1040 0.0040 0.0100 2.1000 0.7154 0.0068 1.8735 0.0099 0.0099 0.0 0.026 105 1050 0.0040 0.0100 2.1100 0.7222 0.0068 1.8834 0.0099 0.0099 0.0 0.026 106 1060 0.0040 0.0100 2.1200 0.7290 0.0068 1.8933 0.0099 0.0099 0.0 0.026 107 1070 0.0040 0.0100 2.1300 0.7358 0.0068 1.9033 0.0099 0.0099 0.0 0.026 108 1080 0.0040 0.0100 2.1400 0.7426 0.0068 1.9132 0.0099 0.0099 0.0 0.026 109 1090 0.0040 0.0100 2.1500 0.7495 0.0068 1.9231 0.0099 0.0099 0.0 0.026 110 1100 0.0040 0.0100 2.1600 0.7563 0.0068 1.9330 0.0099 0.0099 0.0 0.026 111 1110 0.0040 0.0100 2.1700 D.7632 0.0069 1.9430 0.0099 0.0099 0.0 0.026 112 1120 0.0040 0.0100 2.1800 0.7701 0.0069 1.9529 0.0099 0.0099 0.0 0.026 113 1130 0.0040 0.0100 2.1900 0.7769 0.0069 1.9628 0.0099 0.0099 0.0 0.026 114 1140 0.0040 0.0100 2.2000 0.7839 0.0069 1.9727 0.0099 0.0099 0.0 0.026 115 1150 0.0040 0.0100 2.2100 0.7908 0.0069 1.9827 0.0099 0.0099 0.0 0.026 116 1160 0.0040 0.0100 2.2200 0.7977 0.0069 1.9926 0.0099 0.0099 D.0 0.026 117 1170 0.0040 0.0100 2.2300 0.8047 0.0070 2.0025 0.0099 0.0099 0.0 0.026 118 1180 0.0040 0.0100 2.2400 0.8117 0.0070 2.0124 0.0099 0.0099 0.0 0.026 119 1190 0.0040 0.0100 22500 0.8187 0.0070 2.0224 0.0099 0.0099 0.0 0.026 120 1200 0.0040 0.0100 2.2600 0.8257 0.0070 2.0323 0.0099 0.0099 0.0 0.026 121 1210 0.0040 0.0100 2.2700 0.8327 0.0070 2.0422 0.0099 0.0099 0.0 0.026 122 1220 0.0040 0.0100 2.2800 0.8397 0.0070 2.0521 0.0099 0.0099 0.0 0.026 123 1230 0.0040 0.0100 2.2900 0.8468 0.0070 2.0621 0.0099 0.0099 0.0 0.026 124 1240 0.0040 0.0100 2.3000 0.8538 0.0071 2.0720 0.0099 0.0099 0.0 0.026 125 1250 0.0040 0.0100 2.3100 0.8609 0.0071 2.0819 0.0099 0.0099 0.0 0.026 126 1260 0.0040 0.0100 2.3200 0.8680 0.0071 2.0919 0.0099 0.0099 0.0 0.026 127 1270 0.0040 0.0100 2.3300 0.8751 0.0071 2.1018 0.0099 0.0099 0.0 0.026 128 1280 0.004a 0.0100 2.3400 0.8822 0.0071 2.1117 0.0099 0.0099 0.0 0.026 129 1290 0.0040 0.0100 2.3500 0.8894 0.0071 2.1217 0.0�99 0.0099 0.0 0.026 130 1300 0.0040 O.D100 2.3600 0.8965 0.0071 2.1316 0.0099 0.0099 0.0 0.026 131 1310 0.0040 0.01�0 2.3700 0.9037 0.0072 2.1415 0.0099 0.0099 0.0 0.026 132 1320 0.0040 0.0100 2.3800 0.9109 0.0072 2.1515 0.0099 0.0099 0.0 0.026 133 1330 0.0040 0.0100 2.3900 0.9180 0.0072 2.1614 0.0099 0.0099 0.0 0.026 134 1340 0.0040 0.0100 2.4000 0.9252 0.0072 2.1714 0.0099 0.0099 0.0 0.026 Pervious Area Impervious Area (1) (2) (3) (4) (5) (6) (7} (8) (9) (10} (11) (12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydra hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 135 1350 0.0040 0.0100 2.4100 0.9325 0.0072 2.1813 0.0099 0.0099 0.0 0.026 136 1360 0.0040 0.0100 2.4200 0.9397 0.0072 2.1912 0.0099 0.0099 0.0 0.026 137 1370 0.0040 0.0100 2.4300 0.9469 0.0072 2.2012 0.0099 0.0099 0.0 0.026 138 1380 0.0040 0.0100 2.4400 0.9542 0.0073 2.2111 0.0099 0.0099 0.0 0.026 139 1390 0.0040 0.0100 2.4500 0.9615 Q.0073 2.2210 0.0099 0.0099 0.0 0.026 140 1400 0.0040 0.0100 2.4600 0.9687 0.0073 2.2310 0.0099 0.0099 0.0 0.026 141 1410 0.0040 0.0100 2.4700 0.9760 0.0073 2.2409 0.0099 0.0099 0.0 0.026 142 1420 0.0040 0.0100 2.4800 0.9834 0.0073 2.2509 0.0099 0.0099 �.0 0.026 143 1430 0.0040 0.0100 2.4900 0.9907 0.0073 2.2608 0.0099 0.0099 0.0 0.026 144 1440 0.0040 0.0100 2.5000 0.9980 0.0073 2.2707 0.0099 0.0099 0.0 0.026 Total Volume of Runoff= 3618.888 cu.ft. (Found by summing this column and multiplying by 600.600 is the conversion required to convert SUM(Q)in cfs to total volume in cubic feet as follows: V=SUM(Q)x dt (cu.ft.)_(cu.fUs)x(10 min.)x(60 s/min.) STORMWATER CALCULATIO. +TRIX-SANTA BARBARA HYDROGRAPGH � riOD Date: 37908.00 Given: Project= TEMPLETON PARKING LOT DETENTION SYSTEM: Average Pond Length (ft)= 450.000 450 LF OF 18" DIAMETER HDPE PIPE Average Pond Width(ft)= 1.000 Orifice Diameter(ft)= 0.150 �``,n fi 4�. �----� Orifice Area= 0.018 SF Avg Pond Area= 450.000 SF Column(3)=Col A:L"600= Incremental CFS into Pond Column(4)=Starting Pond Depth=Previous Remaining Pond Depth=Col (11) Column(5)_ Column(6)=2'g"Starting h Column(7)=Square Root of 2gh Column(8)= incremental Voi out= Col(7)*0.60'Orifice Area' 600 Column(9)=Delta Vol = Incremental Vol in- Incremental Vol out=Col (3)-Col (8) Column(10)= Remaining Pond Vol =Previous Remaining Vol+Col (9) Column(11)_ Column(12)_ (�) (2) (3) (4) (6) (�) ($) (g) ��) (��) (12) Time Time Increm. Starting Increm. Delta Remain Remain CFS Increm. Vol into Pond Vol out Vol Total Pond Discharge Pond Depth Pond Vol Depth min. cf ft. cf cf in. ft 1 10 0.00 0.000 0.000 0.000 0.000 0.00 0.0 0.000 0.000 2 20 0.00 0.000 0.000 0.000 0.000 0.00 0.0 0.000 0.000 3 30 0.00 0.000 0.000 0.000 0.000 0.00 0.0 0.000 0.000 4 40 0.00 0.000 0.000 0.000 0.000 0.00 0.0 0.000 0.000 5 50 0.32 0.000 0.000 0.000 0.000 0.32 0.3 0.001 0.000 6 60 1.32 0.001 0.045 0.213 1.352 -0.04 0.3 0.001 0.002 7 70 2.60 0.001 0.040 0.200 1.273 1.33 1.6 0.004 0.002 8 80 3.72 0.004 0.230 0.480 3.051 0.67 2.3 0.005 0.005 9 90 4.71 0.005 0.326 0.571 3.634 1.08 3.4 0.007 0.006 10 100 5.58 0.007 0.481 0.693 4.410 1.17 4.5 0.010 0.007 11 110 7.25 0.010 0.649 0.805 5.124 2.13 6.7 0.015 0.009 12 120 9.01 0.015 0.953 0.976 6.212 2.80 9.5 0.021 0.010 13 130 9.94 0.021 1.354 1.163 7.402 2.54 12.0 0.027 0.012 14 140 10.76 0.027 1.717 1.310 8.336 2.42 14.4 0.032 0.014 15 150 11.48 0.032 2.063 1.436 9.138 2.34 16.8 0.037 0.015 16 160 12.12 0.037 2.398 1.549 9.852 2.27 19.0 0.042 0.016 17 170 14.01 0.042 2.722 1.650 10.497 3.52 22.5 0.050 0.017 18 180 15.95 0.050 3.226 1.796 11.426 4.52 27.1 0.060 0.019 19 190 16.59 0.060 3.873 1.968 12.520 4.07 31.1 0.069 0.021 20 200 17.15 0.069 4.455 2.111 13.428 3.73 34.9 0.077 0.022 21 210 17.66 0.077 4.988 2.233 14.209 3.45 38.3 0.085 0.024 22 220 18.11 0.085 5.482 2.341 14.895 3.21 41.5 0.092 0.025 23 230 20.09 0.092 5.942 2.438 15.507 4.58 46.1 0.102 0.026 24 240 22.08 0.102 6.597 2.568 16.340 5.74 51.8 0.115 0.027 25 250 22.52 0.115 7.419 2.724 17.328 5.19 57.0 0.127 0.029 26 260 22.91 0.127 8.162 2.857 18.175 4.73 61.8 0.137 0.030 27 270 23.26 0.137 8.839 2.973 18.914 4.34 66.1 0.147 0.032 (�) (2) Time Time Increment min. 28 280 23.57 0.147 9.461 3.076 19.568 4.00 70.1 0.156 0.033 29 290 25.92 0.156 10.033 3.168 20.151 5.77 75.9 0.169 0.034 30 300 28.29 0.169 10.859 3.295 20.964 7.33 83.2 0.185 0.035 31 310 28.60 0.185 11.908 3.451 21.953 6.65 89.9 0.200 0.037 32 320 28.88 0.200 12.859 3.586 22.813 6.07 95.9 0.213 0.038 33 330 29.14 0.213 13.728 3.705 23.571 5.57 101.5 0.226 0.039 34 340 29.37 0.226 14.524 3.811 24.245 5.12 106.6 0.237 0.040 35 350 31.93 0.237 15.257 3.906 24.849 7.08 113.7 0.253 0.041 36 360 34.51 0.253 16.271 4.034 25.662 8.85 122.5 0.272 0.043 37 370 34.74 0.272 17.538 4.1 SS 26.642 8.10 130.6 0.290 0.044 38 380 34.95 0.290 18.697 4.324 27.508 7.44 138.1 0.307 0.046 39 390 35.13 0.307 19.761 4.445 28.280 6.85 144.9 0.322 0.047 40 400 35.30 0.322 20.741 4.554 28.973 6.33 151.3 0.336 0.048 41 410 42.77 0.336 21.647 4.653 29.599 13.17 164.4 0.365 0.049 42 420 50.28 0.365 23.532 4.851 30.860 19.42 183.9 0.409 0.051 43 430 50.53 0.409 26.311 5.129 32.632 17.90 201.7 0.448 0.054 44 440 59.50 0.448 28.872 5.373 34.184 25.31 227.1 0.505 0.057 45 450 68.51 0.505 32.495 5.700 36.265 32.24 259.3 0.576 0.060 46 460 99.56 0.576 37.110 6.092 38.754 60.80 320.1 0.711 0.065 47 470 169.58 0.711 45.811 6.768 43.059 126.52 446.6 0.992 0.072 48 480 156.81 0.992 63.917 7.995 50.861 105.95 552.6 1 28_�. 49 490 87.50 1.228 79.079 8.893 56.573 30.93 . 1.297 0.094 50 500 61.18 1.297 83.505 9.138 58.134 3.05 586.5 1.303 0.0 51 510 52.29 1.303 83.941 9.162 58.286 -5.99 580.6 1.290 .097 52 520 52.35 1.290 83.083 9.115 57.987 -5.64 5 . . 0.097 53 530 43.40 1.278 82.277 9.071 57.705 -14.30 560.6 1.246 0.096 54 540 34.44 1.246 80.230 8.957 56.983 -22.55 538.1 1.196 0.095 55 550 34.46 1.196 77.003 8.775 55.825 -21.37 516.7 1.148 0.093 56 560 34.48 1.148 73.945 8.599 54.705 -20.23 496.5 1.103 0.091 57 570 34.50 1.103 71.050 8.429 53.624 -19.13 477.3 1.061 0.089 58 580 34.51 1.061 68.313 8.265 52.581 -18.07 459.3 1.021 0.088 59 590 34.53 1.021 65.727 8.107 51.576 -17.04 442.2 0.983 0.086 60 600 34.55 0.983 63.288 7.955 50.610 -16.06 426.2 0.947 0.084 61 610 34.57 0.947 60.990 7.810 49.683 -15.12 411.1 0.913 0.083 62 620 34.58 0.913 58.826 7.670 48.793 -14.21 396.8 0.882 0.081 63 630 34.60 0.882 56.792 7.536 47.943 -13.35 383.5 0.852 0.080 64 640 34.61 0.852 54.882 7.408 47.129 -12.52 371.0 0.824 0.079 65 650 31.47 0.824 53.091 7.286 46.354 -14.88 356.1 0.791 0.077 66 660 28.34 0.791 50.961 7.139 45.415 -17.08 339.0 0.753 0.076 67 670 28.35 0.753 48.517 6.965 44.312 -15.97 323.1 0.718 0.074 68 680 28.35 0.718 46.232 6.799 43.256 -14.90 308.2 0.685 0.072 69 690 28.36 0.685 44.100 6.641 42.247 -13.88 294.3 0.654 0.070 70 700 28.37 0.654 42.113 6.489 41.284 -12.91 281.4 0.625 0.069 71 710 28.38 0.625 40.265 6.345 40.368 -11.99 269.4 0.599 0.067 72 720 28.38 0.599 38.549 6.209 39.498 -11.11 258.2 0.574 0.066 73 730 28.39 0.574 36.958 6.079 38.675 -10.28 248.0 0.551 0.064 74 740 28.40 0.551 35.487 5.957 37.897 -9.50 238.5 0.530 0.063 75 750 28.41 0.530 34.127 5.842 37.164 -8.76 229.7 0.510 0.062 76 760 28.41 0.510 32.874 5.734 36.475 -8.06 221.6 0.493 0.061 77 770 25.46 0.493 31.720 5.632 35.830 -10.37 211.3 0.469 0.060 78 780 22.50 0.469 30.236 5.499 34.981 -12.48 198.8 0.442 0.058 79 790 22.51 0.442 28.450 5.334 33.932 -11.43 187.4 0.416 0.057 80 800 22.51 0.416 26.814 5.178 32.943 -10.43 176.9 0.393 0.055 81 810 22.51 0.393 25.321 5.032 32.012 -9.50 167.4 0.372 0.053 (�) (2) Time Tirne Increment min. 82 820 22.52 0.000 25.321 5.032 32.012 -9.50 157.9 0.351 83 830 22.52 0.351 22.603 4.754 30.245 -7.73 150.2 0.334 84 840 22.52 0.334 21.497 4.637 29.496 -6.97 143.2 0.318 85 850 22.53 0.318 20.499 4.528 28.804 -6.28 137.0 0.304 86 860 22.53 0.304 19.601 4.427 28.165 -5.64 131.3 0.292 87 870 22.53 0.292 18.795 4.335 27.580 -5.05 126.3 0.281 88 880 22.54 0.281 18.072 4.251 27.045 -4.51 121.8 0.271 89 890 21.16 0.271 17.427 4.175 26.558 -5.40 116.4 0.259 90 900 19.77 0.259 16.654 4.081 25.962 -6.19 110.2 0.245 91 910 19.78 0245 15.769 3.971 25.262 -5.49 104.7 0.233 92 920 19.78 0.233 14.983 3.871 24.625 -4.85 99.9 0.222 93 930 19.76 0.222 14.290 3.780 24.049 -4.27 95.6 0.212 94 940 19.76 0.212 13.679 3.699 23.529 -3.75 91.8 0.204 95 950 19.78 0.204 13.143 3.625 23.063 -3.28 88.6 0.197 96 960 19.79 0.197 12.674 3.560 22.648 -2.86 85.7 0.190 97 970 19.79 0.190 12.264 3.502 22.279 -2.49 83.2 0.185 98 980 19.79 0.185 11.908 3.451 21.953 -2.16 81.0 0.180 99 990 19.79 0.180 11.598 3.406 21.666 -1.87 79.2 0.176 100 1000 19.79 0.176 11.330 3.366 21.414 -1.62 77.6 0.172 101 1010 17.82 0.172 11.099 3.331 21.194 -3.38 74.2 0.165 102 1020 15.84 0.165 10.615 3.258 20.727 -4.89 69.3 0.154 103 1030 15.84 0.154 9.916 3.149 20.033 -4.19 65.1 0.145 104 1040 15.84 0.145 9.316 3.052 19.417 -3.58 61.5 0.137 105 1050 15.84 0.137 8.804 2.967 18.876 -3.03 58.5 0.130 106 1060 15.84 0.130 8.370 2.893 18.405 -2.56 55.9 0.124 107 1070 15.84 0.124 8.003 2.829 17.997 -2.15 53.8 0.119 108 1080 15.85 0.119 7.695 2.774 17.647 -1.80 52.0 0.115 109 1090 15.85 0.115 7.437 2.727 17.349 -1.50 50.5 0.112 110 11�0 15.85 0.112 7.222 2.687 17.097 -1.25 49.2 0.109 111 1110 15.85 0.109 7.043 2.654 16.884 -1.03 48.2 0.107 112 1120 15.85 0.107 6.895 2.626 16.705 -0.86 47.3 0.105 113 1130 15.85 0.105 6.773 2.602 16.556 -0.71 46.6 0.104 114 1140 15.85 0.104 6.672 2.583 16.432 -0.58 46.0 0.102 115 1150 15.85 0.102 6.589 2.567 16.330 -0.48 45.6 0.101 116 1160 15.85 0.101 6.521 2.554 16.245 -0.39 45.2 0.100 117 1170 15.85 0.100 6.465 2.543 16.175 -0.32 44.9 0.100 118 1180 15.86 0.100 6.419 2.534 16.11 S -0.26 44.6 0.099 119 1190 15.86 0.099 6.381 2.526 16.071 -0.21 44.4 0.099 120 1200 15.86 0.099 6.351 2.520 16.032 -0.17 44.2 0.098 121 1210 15.86 0.098 6.326 2.515 16.001 -0.14 44.1 0.098 122 1220 15.86 0.098 6.306 2.511 15.975 -0.12 43.9 0.098 123 1230 15.86 0.098 6.289 2.508 15.954 -0.09 43.9 0.097 124 1240 15.86 0.097 6.276 2.505 15.937 -0.08 43.8 0.097 125 1250 15.86 0.097 6265 2.503 15.923 -0.06 43.7 0.097 126 1260 15.86 0.097 6.256 2.501 15.912 -0.05 43.7 0.097 127 1270 15.86 0.097 6.249 2.500 15.903 -0.04 43.6 0.097 128 1280 15.86 0.097 6.244 2.499 15.896 -0.03 43.6 0.097 129 1290 15.87 0.097 6.239 2.498 15.890 -0.02 43.6 0.097 130 1300 15.87 0.097 6.236 2.49? 15.886 -0.02 43.6 0.097 131 1310 15.87 0.097 6.233 2.497 15.882 -0.01 43.5 0.097 132 1320 15.87 0.097 6.231 2.496 15.880 -0.01 43.5 0.097 133 1330 15.87 0.097 6.229 2.496 15.878 -0.01 43.5 0.097 134 1340 15.87 0.097 6.228 2.496 15.876 -0.01 43.5 0.097 (�) (2) Time Time Increment min. 135 1350 15.87 0.097 6.227 2.495 15.875 -0.00 43.5 0.097 136 1360 15.87 0.097 6.226 2.495 15.874 -0.00 43.5 0.097 137 1370 15.87 0.097 6.226 2.495 15.874 -0.00 43.5 0.097 138 1380 15.87 0.097 6.226 2.495 15.873 -0.00 43.5 0.097 139 1390 15.57 O.D97 6.226 2.495 15.873 0.00 43.5 0.097 140 1400 15.87 0.097 6.226 2.495 15.873 0.00 43.5 0.097 141 1410 15.88 0.097 6.226 2.495 15.874 0.00 43.5 0.097 142 1420 15.88 0.097 6.226 2.495 15.874 0.00 43.5 0.097 143 1430 15.88 0.097 6.226 2.495 15.874 0.00 43.5 0.097 144 1440 15.88 0.097 6.227 2.495 15.875 0.00 43.5 0.097 3618.89 STORMWATER CALCULATIG aTRIX-SANTA BARBARA HYDROGRAPGH H�D Date: Oct-03 Given: Project= TEMPLETON -PARKING LOT Area = 0.44 acres Pt = 3.45 inches 10-Year/24 Hour Storm dt = 10 min. Tc = 10 min. (Pre-Developed Site Conditions) PERVIOUS Parcel IMPERVIOUS Parcel Area = 0.44 acres Area = 0 acres CN = 82 CN = 98 S = 220 S = 0.20 0.2S = 0.44 0.2S = 0.04 Compute:Developed Conditions Runoff hydrograph Column(3)=SCS Type IA Rainfalt Distribution Column(4)=Col. (3)x Pt= 10 year-24 Hour Hyetograph at this location. Column(5)=Accumulated Sum of Col. (4) Column(6)_[If P<=0.2S]=0; Note, use PERVIOUS Area"S"value. [If P>0.2Sj=(Col.(5)-0.2S)^2/(Col.(5)+0.8S); Using the PERVIOUS Area"S"value. Column(7)=Col.(6)of Present Time Step-Col.(6)of Previous Time Step Column(8)=Same method as for Col.(6), except use the IMPERVIOUS Area"S"value. Column(9)=Col.(8)of the present time step-Col.(8)of the previous time step. Column(10)_((PERVIOUS area 1 Total area)x Col.(7))+�(IMPERVIOUS area/Total area)x Col.(9)) Column(11)_(60.5 x Col.(10)x Total Area)/ 10(dt= 10 minutes) Routing Constant,w=dt/(2Tc+dt) = 0.3333 Column(12)=Col.(12)of Previous Time Step+(w x(Col.(11)of Previous Time Step +Col.(11)of Present Time Step-(2 x Col.(12)of Previous Time Step)]) Pervious Area Impervious Area ��) (z) (3) (4) �5) �6) �7) ($) �9) (10) ��) (12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. %of Pt in. in. in. in. in. in. in, cfs cfs 1 10 0.0040 0.0138 0.0138 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 2 20 0.0040 0.0138 0.0276 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 3 30 0.0040 0.0138 0.0414 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 4 40 0.0040 0.0138 0.0552 0.0000 0.0000 0.0009 0.0009 0.0000 0.0 0.000 5 50 0.0040 0.0138 0.0690 0.0000 0.0000 0.0034 0.0025 0.0000 0.0 0.000 6 60 0.0040 0.0138 0.0828 0.0000 0.0000 0.0072 0.0037 0.0000 0.0 0.000 7 70 0.0040 0.0138 0.0966 0.0000 0.0000 0.0120 0.0048 0.0000 0.0 0.000 8 80 0.0040 0.0138 0.1104 0.0000 0.0000 0.0177 0.0057 0.0000 0.0 0.000 9 90 0.0040 0.0138 0.1242 0.0000 0.0000 0.0242 0.0065 0.0000 0.0 0.000 10 100 0.0040 0.0138 0.1380 0.0000 0.0000 0.0313 0.0072 0.0000 0.0 0.000 11 110 0.0050 0.0173 0.1553 0.0000 0.0000 0.0411 0.0098 0.0000 0.0 0.000 12 120 0.0050 0.0173 0.1725 0.0000 0.0000 0.0516 0.0105 0.0000 0.0 0.000 13 130 0.0050 0.0173 0.1898 0.0000 0.0000 0.0628 0.0112 0.0000 0.0 0.000 14 140 0.0050 0.0173 0.2070 0.0000 0.0000 0.0746 0.0118 0.0000 0.0 0.000 15 150 0.0050 0.0173 0.2243 0.0000 0.0000 0.0868 0.0122 0.0000 0.0 0.000 16 160 0.0050 0.0173 0.2415 0.0000 0.0000 0.0995 0.0127 0.0000 0.0 0.000 17 170 0.0060 0.0207 0.2622 0.0000 0.0000 0.1152 0.0157 0.0000 0.0 0.000 18 180 0.0060 0.0207 0.2829 0.0000 0.0000 0.1314 0.0162 0.0000 0.0 0.000 19 190 0.0060 0.0207 0.3036 0.0000 0.0000 0.1479 0.0166 0.0000 0.0 0.000 20 200 0.0060 0.0207 0.3243 0.0000 0.0000 0.1648 0.0169 0.0000 0.0 0.000 21 210 0.0060 0.0207 0.3450 0.0000 0.0000 0.1820 0.0172 0.0000 0.0 0.000 22 220 0.0060 0.0207 0.3657 0.0000 0.0000 0.1995 0.0175 0.0000 0.0 0.000 23 230 0.0070 0.0242 0.3899 0.0000 0.0000 0.2203 0.0207 0.0000 0.0 0.000 24 240 0.0070 0.0242 0.4140 0.0000 0.0000 0.2413 0.0210 0.0000 0.0 0.000 25 250 0.0070 0.0242 0.4382 0.0000 0.0000 0.2625 0.0213 0.0000 0.0 0.000 26 260 0.0070 0.0242 0.4623 0.0002 0.0002 0.2840 0.0215 0.0002 0.0 0.000 � 27 270 0 0070 0 0242 0 4865 0 0010 0.0008 0.3057 0.0217 0.0008 0.0 0.0� Pervious Area Impervious Area ��) (2) �3) (4) �5) �6) ��) �$) �9) �10) ��) �12) Time Time Rainfali incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydra bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 28 280 0.0070 0.0242 0.5106 0.0023 0.0013 0.3275 0.0219 0.0013 0.0 0.002 29 290 0.0082 0.0283 0.5389 0.0043 0.0021 0.3533 0.0258 0.0021 0.0 0.004 30 300 0.0082 0.0283 0.5672 0.0071 0.0027 0.3793 0.0260 0.0027 0.0 0.005 31 310 0.0082 0.0283 0.5955 0.0104 0.0033 0.4055 0.0262 0.0033 0.0 0.007 32 320 0.0082 0.0283 0.6238 0.0143 0.0039 0.4318 0.0263 0.0039 0.0 0.009 33 330 0.0082 0.0283 0.6521 0.0188 0.0045 0.4582 0.0265 0.0045 0.0 0.010 34 340 0.0082 0.0283 0.6803 0.0239 0.0051 0.4848 0.0266 0.0051 0.0 0.012 35 350 0.0095 0.0328 0.7131 0.0304 0.0065 0.5157 0.0309 0.0065 0.0 0.014 36 360 0.0095 0.0328 0.7459 0.0376 0.0072 0.5468 0.0311 0.0072 0.0 0.017 37 370 0.0095 0.0328 0.7787 0.0455 0.0079 0.5780 0.0312 0.0079 0.0 0.019 38 380 0.0095 0.0328 0.8114 0.0540 0.0085 0.6093 0.0313 0.0085 0.0 0.021 39 390 0.0095 0.0328 0.8442 0.0631 0.0091 0.6407 0.0314 0.0091 0.0 0.023 40 400 0.0095 0.0328 0.8770 0.0728 0.0097 0.6721 0.0315 0.0097 0.0 0.024 41 410 0.0134 0.0462 0.9232 0.0875 0.0147 0.7167 0.0445 0.0147 0.0 0.030 42 420 0.0134 0.0462 0.9695 0.1032 0.0157 0.7613 0.0447 0.0157 0.0 0.037 43 430 0.0134 0.0462 1.0157 0.1200 0.0167 0.8061 0.0448 0.0167 0.0 0.041 44 440 0.0180 0.0621 1.0778 0.1440 0.0240 0.8664 0.0603 0.0240 0.1 0.050 45 450 0.0180 0.0621 1.1399 0.1696 0.0256 0.9269 0.0605 0.0256 0.1 0.061 46 460 0.0340 0.1173 1.2572 0.2221 0.0525 1.0416 0.1147 0.0525 0.1 0.090 47 470 0.0540 0.1863 1.4435 0.3153 0.0932 1.2245 0.1829 0.0932 0.2 . 59 48 480 0.0270 0.0932 1.5366 0.3659 0.0505 1.3162 0.0917 0.0505 0.1 0.181 Q peak 49 490 0.0180 0.0621 1.5987 0.4009 0.0350 1.3775 0.0612 0.0350 0.1 0.136 50 500 0.0134 0.0462 1.6450 0.4276 0.0267 1.4231 0.0456 0.0267 0.1 0. 51 510 0.0134 0.0462 1.6912 0.4548 0.0272 1.4688 0.0457 0.0272 0.1 0.081 52 520 0.0134 0.0462 1.7374 0.4826 0.0277 1.5144 0.0457 0.0277 0.1 0.076 53 530 0.0088 0.0304 1.7678 0.5010 0.0185 1.5445 0.0300 0.0185 0.0 0.066 54 540 0.0088 0.0304 1.7981 0.5197 0.0187 1.5745 0.0300 0.0187 0.0 0.055 55 550 0.0088 0.0304 1.8285 0.5386 0.0189 1.6045 0.0300 0.0189 0.1 0.052 56 560 0.0088 0.0304 1.8589 0.5577 0.0191 1.6346 0.0300 0.0191 0.1 0.051 57 570 0.0088 0.0304 1.8892 0.5769 0.0193 1.6646 0.0301 0.0193 0.1 0.051 58 580 0.0088 0.0304 1.9196 0.5964 0.0194 1.6947 0.0301 0.0194 0.1 0.051 59 590 0.0088 0.0304 1.9499 0.6160 0.0196 1.7248 0.0301 0.0196 0.1 0.052 60 600 0.0088 0.0304 1.9803 0.6358 0.0198 1.7548 0.0301 0.0198 0.1 0.052 61 610 0.0088 0.0304 2.0107 0.6557 0.0200 1.7849 0.0301 0.0200 0.1 0.053 62 620 0.0088 0.0304 2.0410 0.6759 0.0201 1.8150 0.0301 0.0201 0.1 0.053 63 630 0.0088 0.0304 2.0714 0.6962 0.0203 1.8451 0.0301 0.0203 0.1 0.054 64 640 0.0088 0.0304 2.1017 0.7166 0.0205 1.8752 0.0301 0.0205 0.1 0.054 65 650 0.0072 0.0248 2.1266 0.7335 0.0168 1.8999 0.0246 0.0168 0.0 0.051 66 660 0.0072 0.0248 2.1514 0.7504 0.0170 1.9245 0.0246 0.0170 0.0 0.047 67 670 0.0072 0.0248 2.1763 0.7675 0.0171 1.9492 0.0246 0.0171 0.0 0.046 68 680 0.0072 0.0248 2.2011 0.7846 0.0171 1.9738 0.0247 0.0171 0.0 0.046 69 690 0.0072 0.0248 2.2259 0.8019 0.0172 1.9985 0.0247 0.0172 0.0 0.046 70 700 0.0072 0.0248 2.2508 0.8192 0.0173 2.0231 0.0247 0.0173 0.0 0.046 71 710 0.0072 0.0248 2.2756 0.8366 0.0174 2.0478 0.0247 0.0174 0.0 0.046 72 720 0.0072 0.0248 2.3005 0.8542 0.0175 2.0725 0.0247 0.0175 0.0 0.046 73 730 0.0072 0.0248 2.3253 0.8718 0.0176 2.0971 0.0247 0.0176 0.0 0.047 74 740 0.0072 0.0248 2.3501 0.8895 0.0177 2.1218 0.0247 0.0177 0.0 0.047 75 750 0.0072 0.0248 2.3750 0.9073 0.0178 2.1465 0.0247 0.0178 0.0 0.047 76 760 0.0072 0.0248 2.3998 0.9251 0.0179 2.1712 0.0247 0.0179 0.0 0.047 77 770 0.0057 0.0197 2.4195 0.9393 0.0142 2.1907 0.0195 0.0142 0.0 0.044 78 780 0.0057 0.0197 2.4392 0.9536 0.0143 2.2103 0.0195 0.0143 0.0 0.040 79 790 0.0057 0.0197 2.4588 0.9679 0.0143 2.2298 0.0195 0.0143 0.0 0.039 80 800 0.0057 0.0197 2.4785 0.9822 0.0144 2.2493 0.0195 0.0144 0.0 0.038 81 810 0.0057 0.0197 2.4981 0.9966 0.0144 2.2689 0.0195 0.0144 0.0 0.038 Pervious Area Impervious Area (�) (2) �3) (4) (5) (6) f�) (8) (9) (��) (11) (12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 82 820 0.0057 0.0197 2.5178 1.0111 0.0145 2.2884 0.0196 0.0145 0.0 0.038 83 830 0.0057 0.0197 2.5375 1.0256 0.0145 2.3080 0.0196 0.0145 0.0 0.038 84 840 0.0057 0.0197 2.5571 1.0401 0.0145 2.3276 0.0196 0.0145 0.0 0.039 85 850 0.0057 0.0197 2.5768 1.0547 0.0146 2.3471 0.0196 0.0146 0.0 0.039 86 860 0.0057 0.0197 2.5965 1.0694 0.0146 2.3667 0.0196 0.0146 0.0 0.039 87 870 0.0057 0.0197 2.6161 1.0841 0.0147 2.3862 0.0196 0.0147 0.0 0.039 88 880 0.0057 0.0197 2.6358 1.0988 0.0147 2.4058 0.0196 0.0147 0.0 0.039 89 890 0.0050 0.0173 2.6531 1.1118 0.0130 � 2.4229 0.0172 0.0130 0.0 0.038 90 900 0.0050 0.0173 2.6703 1.1248 0.0130 2.4401 0.0172 0.0130 0.0 0.036 91 910 0.0050 0.0173 2.6876 1.1378 0.0130 2.4573 0.0172 0.0130 0.0 0.035 92 920 0.0050 0.0173 2.7048 1.1508 0.0131 2.4744 0.0172 0.0131 0.0 0.035 93 930 0.0050 0.0173 2.7221 1.1639 0.0131 2.4916 0.0172 0.0131 0.0 0.035 94 940 0.0050 0.0173 2.7393 1.1770 0.0131 2.5088 0.0172 0.0131 0.0 0.035 95 950 0.0050 0.0173 2.7566 1.1902 0.0132 2.5259 0.0172 0.0132 0.0 0.035 96 960 0.0050 0.0173 2.7738 1.2034 0.0132 2.5431 0.0172 0.0132 0.0 0.035 97 970 0.0050 0.0173 2.7911 1.2166 0.0132 2.5602 0.0172 0.0132 0.0 0.035 98 980 0.0050 0.0173 2.8083 1.2298 0.0132 2.5774 0.0172 0.0132 0.0 0.035 99 990 0.0050 0.0173 2.8256 1.2431 0.0133 2.5946 0.0172 0.0133 0.0 0.035 100 1000 0.0050 0.0173 2.8428 1.2564 0.0133 2.6118 0.0172 0.0133 0.0 0.035 101 1010 0.0040 0.0138 2.8566 1.2671 0.0107 2.6255 0.0137 0.0107 0.0 0.033 102 1020 0.0040 0.0138 2.8704 1.2778 0.0107 2.6392 0.0137 0.0107 0.0 0.030 103 1030 0.0040 0.0138 2.8842 1.2885 0.0107 2.6530 0.0137 0.0107 0.0 0.029 104 1040 0.0040 0.0138 2.8980 1.2992 0.0107 2.6667 0.0137 0.0107 0.0 0.029 105 1050 0.0040 0.0138 2.9118 1.3099 0.0107 2.6804 0.0137 0.0107 0.0 0.029 106 1060 0.0040 0.0138 2.9256 1.3207 0.0108 2.6942 0.0137 0.0108 0.0 0.029 107 1070 0.0040 0.0138 2.9394 1.3315 0.0108 2.7079 0.0137 0.0108 0.0 0.029 108 1080 0.0040 0.0138 2.9532 1.3423 0.0108 2.7217 0.0137 0.0108 0.0 0.029 109 1090 0.0040 0.0138 2.9670 1.3531 0.0108 2.7354 0.0137 0.0108 0.0 0.029 110 1100 0.0040 0.0138 2.9808 1.3639 0.0108 2.7491 0.0137 0.0108 0.0 0.029 111 1110 0.0040 0.0138 2.9946 1.3747 0.0108 2.7629 0.0137 0.0108 0.0 0.029 112 1120 0.0040 0.0138 3.0084 1.3856 0.0109 2.7766 0.0137 0.0109 0.0 0.029 113 1130 0.0040 0.0138 3.0222 1.3965 0.0109 2.7904 0.0137 0.0109 0.0 0.029 114 1140 0.0040 0.0138 3.0360 1.4074 0.0109 2.8041 0.0137 0.0109 0.0 0.029 115 1150 0.0040 0.0138 3.0498 1.4183 0.0109 2.8179 0.0137 0.0109 0.0 0.029 116 1160 0.0040 0.0138 3.0636 1.4292 0.0109 2.8316 0.0137 0.0109 0.0 0.029 117 1170 0.0040 0.0138 3.0774 1.4402 0.0109 2.8454 0.0137 0.0109 0.0 0.029 118 1180 0.0040 0.0138 3.0912 1.4511 0.0110 2.8591 0.0137 0.0110 0.0 0.029 119 1190 0.0040 0.0138 3.1050 1.4621 0.0110 2.8728 0.0137 0.0110 0.0 0.029 120 1200 0.0040 0.0138 3.1188 1.4731 0.0110 2.8866 0.0137 0.0110 0.0 0.029 121 1210 0.0040 0.0138 3.1326 1.4841 0.0110 2.9003 0.0137 0.0110 0.0 0.029 122 1220 0.0040 0.0138 3.1464 1.4951 0.0110 2.9141 0.0137 0.0110 0.0 0.029 123 1230 0.0040 0.0138 3.1602 1.5062 0.0110 2.9278 0.0137 0.0110 0.0 0.029 124 1240 0.0040 0.0138 3.1740 1.5172 0.0111 2.9416 0.0137 0.0111 0.0 0.029 125 1250 C.0040 0.0138 3.1878 1.5283 0.0111 2.9553 0.0137 0.0111 0.0 0.029 126 1260 0.0040 0.0138 3.2016 1.5394 0.0111 2.9691 0.0137 0.0111 0.0 0.029 127 1270 0.0040 0.0138 3.2154 1.5505 0.0111 2.9828 0.0137 0.0111 0.0 0.030 128 1280 0.0040 0.0138 3.2292 1.5616 0.0111 2.9966 0.0137 0.0111 0.0 0.030 129 1290 0.0040 0.0138 3.2430 1.5727 0.0111 3.0103 0.0138 0.0111 0.0 0.030 130 1300 0.0040 0.0138 3.2568 1.5839 0.0111 3.0241 0.0138 0.0111 0.0 0.030 131 1310 0.0040 0.0138 3.2706 1.5950 0.0112 3.0378 0.0138 0.0112 0.0 0.030 132 1320 0.0040 0.0138 3.2844 1.6062 0.0112 3.0516 0.0138 0.0112 0.0 0.030 133 1330 0.0040 0.0138 3.2982 1.6174 0.0112 3.0653 0.0138 0.0112 0.0 0.030 134 1340 0.0040 0.0138 3.3120 1.6286 0.0112 3.0791 0.0138 0.0112 0.0 0.030 Pervious Area Impervious Area ��) (Z) �3) �4) (5) (6) ��) (8) (9) (��) (>>) (12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydra hydra bution Rainfail Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 135 1350 0.0040 0.0138 3.3258 1.6398 0.0112 3.0928 0.0138 0.0112 0.0 0.030 136 1360 0.0040 0.0138 3.3396 1.6511 0.0112 3.1066 0.0138 0.0112 0.0 0.030 137 1370 0.0040 0.0138 3.3534 1.6623 0.0112 3.1203 0.0138 0.0112 0.0 0.030 138 1380 0.0040 0.0138 3.3672 1.6736 0.0113 3.1341 0.0138 0.0113 0.0 0.030 139 1390 0.0040 0.0138 3.3810 1.6848 0.0113 3.1479 0.0138 0.0113 0.0 0.030 140 1400 0.0040 0.0138 3.3948 1.6961 0.0113 3.1616 0.0138 0.0113 0.0 0.030 141 1410 0.0040 0.0138 3.4086 1.7074 0.0113 3.1754 0.0138 0.0113 0.0 0.030 142 1420 0.0040 0.0138 3.4224 1.7187 0.0113 3.1891 0.0138 0.0113 0.0 0.030 143 1430 0.0040 0.0138 3.4362 1.7301 0.0113 3.2029 0.0138 0.0113 0.0 0.030 144 1440 0.0040 0.0138 3.4500 1.7414 0.0113 3.2166 0.0138 0.0113 0.0 0.030 Total Volume of Runoff= 2763.286 cu.ft. (Found by summing this column and multiplying by 600.600 is the conversion required to convert SUM(Q)in cfs to total volume in cubic feet as follows: V=5UM(Q)x dt (cu.ft.)_(cu.ft/s)x(10 min.)x(60 s/min.) STORMWATER CALCULATIG. .aTRIX-SANTA BARBARA HYDROGRAPGH . HOD Date: Oct-03 Given: Project= TEMPLETON -PARKING LOT Area = 0.44 acres Pt = 3.45 inches 1 Q-Year/24 Hour Storm dt = 10 min. Tc = 5 min. (Post-Developed Site Conditions) PERVIOUS Parcel IMPERVIOUS Parcel Area = 0 acres Area = 0.44 acres CN = 80 CN = 98 S = 2.50 5 = 0.20 0.2S = 0.50 0.2S = 0.04 Compute:Developed Conditions Runoff hydrograph Column(3)=SCS Type IA Rainfall Distribution Column(4)=Col. (3)x Pt= 10 year-24 Hour Hyetograph at this location. Column (5)=Accumulated Sum of Col. (4) Column (6)_[If P<=0.2S�=0; Note, use PERVIOUS Area"S"value. [If P>0.2S]_(Col.(5)-0.2S)^2/(Col.(5)+0.8S); Using the PERVIOUS Area"S"value. Column(7)=Col.(6)of Present Time Step-Col.(6)of Previous Time Step Column (8)=Same method as for Col.(6), except use the IMPERVIOUS Area"S"value. Column (9)=Col.(8)of the present time step-Col.(8)of the previous time step. Column(10)_((PERVIOUS area/Total area)x Col.(7))+((IMPERVIOUS area/Total area)x Col.(9)) Column(11)_(60.5 x Col.(10)x Total Area)/ 10(dt= 10 minutes) Routing Constant,w=dt/(2Tc+dt) = 0.5000 Column(12)=Col.(12)of Previous Time Step+(w x[Col.(11)of Previous Time Step +Col.(11)of Present Time Step-(2 x Col.(12)of Previous Time Step)]) Pervious Area Impervious Area ��) �2) �3) �4) �5) �6) (7) �8) �9) �10) (��) �12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. °/a of Pt in. in. in. in. in. in. in. cfs cfs 1 10 0.0040 0.0138 0.0138 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 2 20 0.0040 0.0138 0.0276 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 3 30 0.0040 0.0138 0.0414 D.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 4 40 0.0040 0.0138 0.0552 0.0000 0.0000 0.0009 0.0009 0.0009 0.0 0.001 5 50 0.0040 0.0138 0.0690 0.0000 0.0000 0.0034 0.0025 0.0025 0.0 0.005 6 60 0.0040 0.0138 0.0828 0.0000 0.0000 0.0072 0.0037 0.0037 0.0 0.008 7 70 0.0040 0.0138 0.0966 0.0000 0.0000 0.0120 0.0048 0.0048 0.0 0.011 8 80 0.0040 0.0138 0.1104 0.0000 0.0000 0.0177 0.0057 0.0057 0.0 0.014 9 90 0.0040 0.0138 0.1242 0.0000 0.0000 0.0242 0.0065 0.0065 0.0 0.016 10 100 0.0040 0.0138 0.1380 0.0000 0.0000 0.0313 0.0072 0.0072 0.0 0.018 11 110 0.0050 0.0173 0.1553 0.0000 0.0000 0.0411 0.0098 0.0098 0.0 0.023 12 �20 0.0050 0.0173 0.1725 0.0000 0.0000 0.0516 0.0105 0.0105 0.0 0.027 13 130 0.0050 0.0173 0.1898 0.0000 0.0000 0.0628 0.0112 0.0112 0.0 0.029 14 140 0.0050 0.0173 0.2070 0.0000 D.0000 0.0746 0.0118 0.0118 0.0 0.031 15 150 �.0050 0.0173 0.2243 0.0000 0.0000 0.0868 0.0122 0.0122 0.0 0.032 16 160 0.0050 0.0173 0.2415 0.0000 0.0000 0.0995 0.0127 0.0127 0.0 0.033 17 170 0.0060 0.0207 0.2622 0.0000 0.0000 0.1152 0.0157 0.0157 0.0 0.038 18 180 0.0060 0.0207 0.2829 0.0000 0.0000 0.1314 0.0162 0.0162 0.0 0.042 19 190 0.0060 0.0207 0.3036 0.0000 0.0000 0.1479 0.0166 0.0166 0.0 0.044 20 200 0.0060 0.0207 0.3243 0.0000 0.0000 0.1648 0.0169 0.0169 0.0 0.045 21 210 0.0060 0.0207 0.3450 0.0000 0.0000 0.1820 0.0172 0.0172 0.0 0.045 22 220 0.0060 0.0207 0.3657 0.0000 0.0000 0.1995 0.0175 0.0175 0.0 0.046 23 230 0.0070 0.0242 0.3899 0.0000 0.0000 0.2203 0.0207 0.0207 0.1 0.051 24 240 0.0070 0.0242 0.4140 0.0000 0.0000 0.2413 0.0210 0.0210 0.1 0.056 25 250 0.0070 0.0242 0.4382 0.0000 0.0000 0.2625 0.0213 0.0213 0.1 0.056 26 260 0.0070 0.0242 0.4623 0.0000 0.0000 0.2840 0.0215 0.0215 0.1 0.057 27 270 0.0070 0.0242 0.4865 0.0000 0.0000 0.3057 0.0217 0.0217 0.1 0.057 Pervious Area Impervious Area ��) (2) �3) (4) �5) (6) (7) (8) (9) (10) (11) (12} Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 28 280 0.0070 0.0242 0.5106 0.0000 0.0000 0.3275 0.0219 0.0219 0.1 0.058 29 290 0.0082 0.0283 0.5389 0.0006 0.0006 0.3533 0.0258 0.0258 0.1 0.063 30 300 0.0082 0.0283 0.5672 0.0018 0.0012 0.3793 0.0260 0.0260 0.1 0.069 31 310 0.0082 0.0283 0.5955 0.0035 0.0018 0.4055 0.0262 0.0262 0.1 0.069 32 320 0.0082 0.0283 0.6238 0.0058 0.0023 0.4318 0.0263 0.0263 0.1 0.070 33 330 0.0082 0.0283 0.6521 0.0087 0.0029 0.4582 0.0265 0.0265 0.1 0.070 34 340 0.0082 0.0283 0.6803 0.0121 0.0034 0.4848 0.0266 0.0266 0.1 0.071 35 350 0.0095 0.0328 0.7131 0.0167 0.0046 0.5157 0.0309 0.0309 0.1 0.077 36 360 0.0095 0.0328 0.7459 0.0220 0.0053 0.5468 0.0311 0.0311 0.1 0.083 37 370 0.0095 0.0328 0.7787 0.0279 0.0059 0.5780 0.0312 0.0312 0.1 0.083 38 380 0.0095 0.0328 0.8114 0.0345 0.0066 0.6093 0.0313 0.0313 0.1 0.083 39 390 0.0095 0.0328 0.8442 0.0417 0.0072 0.6407 0.0314 0.0314 0.1 0.083 40 400 0.0095 0.0328 0.8770 0.0494 0.0077 0.6721 0.0315 0.0315 0.1 0.084 41 410 0.0134 0.0462 0.9232 0.0613 0.0119 0.7167 0.0445 0.0445 0.1 0.101 42 420 0.0134 0.0462 0.9695 0.0742 0.0129 0.7613 0.0447 0.0447 0.1 0.119 43 430 0.0134 0.0462 1.0157 0.0882 0.0140 0.8061 0.0448 0.0448 0.1 0.119 44 440 0.0180 0.0621 1.0778 0.1085 0.0203 0.8664 0.0603 0.0603 0.2 0.140 45 450 0.0180 0.0621 1.1399 0.1304 0.0219 0.9269 0.0605 0.0605 0.2 0.161 46 460 0.0340 0.1173 1.2572 0.1760 0.0456 1.0416 0.1147 0.1147 0.3 . 47 470 0.0540 0.1863 1.4435 0.2585 0.0825 1.2245 0.1829 0.1829 0.5 0.396 48 480 0.0270 0.0932 1.5366 0.3038 0.0453 1.3162 0.0917 0.0917 0.2 . peak 49 490 0.0180 0.0621 1.5987 0.3355 0.0316 1.3775 0.0612 O.Ofi12 0.2 0.204 50 500 0.0134 0.0462 1.6450 0.3597 0.0242 1.4231 0.0456 0.0456 0.1 0.142 51 510 0.0134 0.0462 1.6912 0.3844 0.0248 1.4688 0.0457 0.0457 0.1 0.121 52 520 0.0134 0.0462 1.7374 0.4097 0.0253 1.5144 0.0457 0.0457 0.1 0.122 53 530 0.0088 0.0304 1.7678 0.4266 0.0169 1.5445 0.0300 0.0300 0.1 0.101 54 540 0.0088 0.0304 1.7981 0.4437 0.0171 1.5745 0.0300 0.0300 0.1 0.080 55 550 0.0088 0.0304 1.8285 0.4610 0.0173 1.6045 0.0300 0.0300 0.1 0.080 56 560 0.0088 0.0304 1.8589 0.4785 0.0175 1.6346 0.0300 0.0300 0.1 0.080 57 570 0.0088 0.0304 1.8892 0.4962 0.0177 1.6646 0.0301 0.0301 0.1 0.080 58 580 0.0088 0.0304 1.9196 0.5141 0.0179 1.6947 0.0301 0.0301 0.1 0.080 59 590 0.0088 0.0304 1.9499 0.5322 0.0181 1.7248 0.0301 0.0301 0.1 0.080 6Q 600 0.0088 0.0304 1.9803 0.5505 0.0183 1.7548 0.0301 0.0301 0.1 0.080 61 610 0.0088 0.0304 2.0107 0.5690 0.0185 1.7849 0.0301 0.0301 0.1 0.080 62 620 0.0088 0.0304 2.0410 0.5877 0.0187 1.8150 0.0301 0.0301 0.1 0.080 63 630 0.0088 0.0304 2.0714 0.6065 0.0188 1.8451 0.0301 0.0301 0.1 0.080 64 640 0.0088 0.0304 2.1017 0.6255 0.0190 1.8752 0.0301 0.0301 0.1 0.080 65 650 0.0072 0.0248 2.1266 0.6412 0.0157 1.8999 0.0246 0.0246 0.1 0.073 66 660 0.0072 0.0248 2.1514 0.6569 0.0158 1.9245 0.0246 0.0246 0.1 0.066 67 670 0.0072 0.0248 2.1763 0.6728 0.0159 1.9492 0.0246 0.0246 0.1 0.066 68 680 0.0072 0.0248 2.2011 0.6888 0.0160 1.9738 0.0247 0.0247 0.1 0.066 69 690 0.0072 0.0248 2.2259 0.7049 0.0161 1.9985 0.0247 0.0247 0.1 0.066 70 700 0.0072 0.0248 2.2508 0.7211 0.0162 2.0231 0.0247 0.0247 0.1 0.066 71 710 0.0072 0.0248 2.2756 0.7374 0.0163 2.0478 0.0247 0.0247 0.1 0.066 72 720 0.0072 0.0248 2.3005 0.7538 0.0164 2.0725 0.0247 0.0247 0.1 0.066 73 730 0.0072 0.0248 2.3253 0.7703 0.0165 2.0971 0.0247 0.0247 0.1 0.066 74 740 0.0072 0.0248 2.3501 0.7869 0.0166 2.1218 0.0247 0.0247 0.1 0.066 75 750 0.0072 0.0248 2.3750 0.8036 0.0167 2.1465 0.0247 0.0247 0.1 0.066 76 760 0.0072 0.0248 2.3998 0.8203 0.0168 2.1712 0.0247 0.0247 0.1 0.066 77 770 0.0057 0.0197 2.4195 0.8337 0.0133 2.1907 0.0195 0.0195 0.1 0.059 78 780 0.0057 0.0197 2.4392 0.8471 0.0134 2.2103 0.0195 0.0195 0.1 0.052 79 790 0.0057 0.0197 2.4588 0.8605 0.0135 2.2298 0.0195 0.0195 0.1 0.052 80 800 0.0057 0.0197 2.4785 0.8740 0.0135 2.2493 0.0195 0.0195 0.1 0.052 81 810 0.0057 0.0197 2.4981 0.8876 0.0136 2.2689 0.0195 0.0195 0.1 0.052 Pervious Area Impervious Area ��) (2) �3) (4) (5) (6) ��) ($) (9) (��) (>>) �12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 82 820 0.0057 0.0197 2.5178 0.9012 0.0136 2.2884 0.0196 0.0196 0.1 0.052 83 830 0.0057 0.0197 2.5375 0.9149 0.0137 2.3080 0.0196 0.0196 0.1 0.052 84 840 0.0057 0.0197 2.5571 0.9286 0.0137 2.3276 0.0196 0.0196 0.1 0.052 85 850 0.0057 0.0197 2.5768 0.9424 0.0138 2.3471 0.0196 0.0196 0.1 0.052 86 860 0.0057 0.0197 2.5965 0.9562 0.0138 2.3667 0.0196 0.0196 0.1 0.052 87 870 0.0057 0.0197 2.6161 0.9701 0.0139 2.3862 0.0196 0.0196 0.1 0.052 88 880 0.0057 0.0197 2.6358 0.9840 0.0139 2.4058 0.0196 0.0196 0.1 0.052 89 890 0.0050 0.0173 2.6531 0.9963 0.0123 2.4229 0.0172 0.0172 0.0 0.049 90 900 0.0050 0.0173 2.6703 t.0085 0.0123 2.4401 0.0172 0.0172 0.0 0.046 91 910 0.0050 0.0173 2.6876 1.0209 0.0123 2.4573 0.0172 0.0172 0.0 0.046 92 920 0.0050 0.0173 2.7048 1.0332 0.0124 2.4744 0.0172 0.0172 0.0 0.046 93 930 0.0050 0.0173 2.7221 1.0456 0.0124 2.4916 0.0172 0.0172 0.0 0.046 94 940 0.0050 0.0173 2.7393 1.0581 0.0124 2.5088 0.0172 0.0172 0.0 0.046 95 950 0.0050 0.0173 2.7566 1.0705 0.0125 2.5259 0.0172 0.0172 0.0 0.046 96 960 0.0050 0.0173 2.7738 1.0830 0.0125 2.5431 0.0172 0.0172 0.0 0.046 97 970 0.0050 0.0173 2.7911 1.0956 0.0125 2.5602 0.0172 0.0172 0.0 0.046 98 980 0.0050 0.0173 2.8083 1.1081 0.0126 2.5774 0.0172 0.0172 0.0 0.046 99 990 0.0050 0.0173 2.8256 1.1207 0.0126 2.5946 0.0172 0.0172 0.0 0.046 100 1000 0.0050 0.0173 2.8428 1.1334 0.0126 2.6118 0.0172 0.0172 0.0 0.046 101 1010 0.0040 0.0138 2.8566 1.1435 0.0101 2.6255 0.0137 0.0137 0.0 0.041 102 1020 0.0040 0.0138 2.8704 1.1537 0.0102 2.6392 0.0137 0.0137 0.0 0.037 103 1030 0.0040 0.0138 2.8842 1.1638 0.0102 2.6530 0.0137 0.0137 0.0 0.037 104 1040 0.0040 0.0138 2.8980 1.1740 0.0102 2.6667 0.0137 0.0137 0.0 0.037 105 1050 0.0040 0.0138 2.9118 1.1842 0.0102 2.6804 0.0137 0.0137 0.0 0.037 106 1060 0.0040 0.0138 2.9256 1.1945 0.0102 2.6942 0.0137 0.0137 0.0 0.037 107 1070 0.0040 0.0138 2.9394 1.2047 0.0103 2.7079 0.0137 0.0137 0.0 0.037 108 1080 0.0040 0.0138 2.9532 1.2150 0.0103 2.7217 0.0137 0.0137 0.0 0.037 109 1090 0.0040 0.0138 2.9670 1.2253 0.0103 2.7354 0.0137 0.0137 0.0 0.037 110 1100 0.0040 0.0138 2.9808 1.2356 0.0103 2.7491 0.0137 0.0137 0.0 0.037 111 1110 0.0040 0.0138 2.9946 1.2460 0.0103 2.7629 0.0137 0.0137 0.0 0.037 112 1120 0.0040 0.0138 3.0084 1.2563 0.0104 2.7766 0.0137 0.0137 0.0 0.037 113 1130 0.0040 0.0138 3.0222 1.2667 0.0104 2.7904 0.0137 0.0137 0.0 0.037 114 1140 0.0040 0.0138 3.0360 1.2771 0.0104 2.8041 0.0137 0.0137 0.0 0.037 115 1150 0.0040 0.0138 3.0498 1.2875 0.0104 2.8179 0.0137 0.0137 0.0 0.037 116 1160 0.0040 0.0138 3.0636 1.2979 0.0104 2.8316 0.0137 0.0137 0.0 0.037 117 1170 0.0040 0.0138 3.0774 1.3083 0.0104 2.8454 0.0137 0.0137 0.0 0.037 118 11 SO 0.0040 0.0138 3.0912 1.3188 0.0105 2.8591 0.0137 0.0137 0.0 0.037 119 1190 0.0040 0.0138 3.1050 1.3293 0.0105 2.8728 0.0137 0.0137 0.0 0.037 120 1200 0.0040 0.0138 3.1188 1.3398 0.0105 2.8866 0.0137 0.0137 0.0 0.037 121 1210 0.0040 0.0138 3.1326 1.3503 0.0105 2.9003 0.0137 0.0137 0.0 0.037 122 1220 0.0040 0.0138 3.1464 1.3608 0.0105 2.9141 0.0137 0.0137 0.0 0.037 123 1230 0.0040 0.0138 3.1602 1.3714 0.0106 2.9278 0.0137 0.0137 0.0 0.037 124 1240 0.0040 0.0138 3.1740 1.3820 0.0106 2.9416 0.0137 0.0137 0.0 0.037 125 1250 0.0040 0.0138 3.1878 1.3925 0.0106 2.9553 0.0137 0.0137 0.0 0.037 126 1260 0.0040 0.0138 3.2016 1.4032 0.0106 2.9691 0.0137 0.0137 0.0 0.037 127 1270 0.0040 0.0138 3.2154 1.4138 0.0106 2.9828 0.0137 0.0137 0.0 0.037 128 1280 0.0040 0.0138 3.2292 1.4244 0.0106 2.9966 0.0137 0.0137 0.0 0.037 129 1290 0.0040 0.0138 3.2430 1.4351 0.0107 3.0103 0.0138 0.0138 0.0 0.037 130 1300 0.0040 0.0138 3.2568 1.4457 0.0107 3.0241 0.0138 0.0138 0.0 0.037 131 1310 0.0040 0.0138 3.2706 1.4564 0.0107 3.0378 0.0138 0.0138 0.0 0.037 132 1320 0.0040 0.0138 3.2844 1.4671 0.0107 3.0516 0.0138 0.0138 0.0 0.037 133 1330 0.0040 0.0138 3.2982 1.4778 0.0107 3.0653 0.0138 0.0138 0.0 0.037 134 1340 0.0040 0.0138 3.3120 1.4886 0.0107 3.0791 0.0138 0.0138 0.0 0.037 Pervious Area Impervious Area (�) (2) �3) �4) (5) �6) ��) �8) �9) (��) ��) (1z) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydra hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 135 1350 0.0040 0.0138 3.3258 1.4993 0.0108 3.0928 0.0138 0.0138 0.0 0.037 136 1360 0.0040 0.0138 3.3396 1.5101 0.0108 3.1066 0.0138 0.0138 0.0 0.037 137 1370 0.0040 0.0138 3.3534 1.5209 0.0108 3.1203 0.0138 0.0138 0.0 0.037 138 1380 0.0040 0.0138 3.3672 1.5317 0.0108 3.1341 0.0138 0.0138 0.0 0.037 139 1390 0.0040 0.0138 3.3810 1.5425 0.0108 3.1479 0.0138 0.0138 0.0 0.037 140 1400 0.0040 0.0138 3.3948 1.5533 0.0108 3.1616 0.0138 0.0138 0.0 0.037 141 1410 0.0040 0.0138 3.4086 1.5642 0.0108 3.1754 0.0138 0.0138 0.0 0.037 142 1420 0.0040 0.0138 3.4224 1.5750 0.0109 3.1891 0.0138 0.0138 0.0 0.037 143 1430 0.0040 0.0138 3.4362 1.5859 0.0109 3.2029 0.0138 0.0138 0.0 0.037 144 1440 0.0040 0.0138 3.4500 1.5968 0.0109 3.2166 0.0138 0.0138 0.0 0.037 Total Volume of Runoff= 5126.614 cu. ft. (Found by summing this column and multiplying by 600. 600 is the conversion required to convert SUM(Q)in cfs to total volume in cubic feet as follows: V=SUM(Q)x dt (cu.ft.)_(cu.ft/s)x(10 min.)x(60 s/min.) STORMWATER CALCULATIC ATRIX-SANTA BARBARA HYDROGRAPGH HOD Date: 37908.00 POND ROUTING Given: Project= TEMPLETON PARKING LOT Average Pond Length (ft}= 450.000 Average Pond Width (ft)= 1.000 Ori�ce 1 Diameter(ft)= 0.150 Orifice 2 Diameter(ft)= 0.500 Height to Orifice 2= 1.300 Orifice 2 Area 0.196 SF Orifice 1 Area= 0.018 SF Avg Pond Area= 450.000 SF Column(3)=Col A:L'600=Incremental CFS into Pond Column(4)=Starting Pond Depth=Previous Remaining Pond Depth=Col (11) Column(5)_ Column(6)=2'g`Starting h Column(7)=Square Root of 2gh Column(8)= Incremental Vol out=Col(7)*0.60'Orifice Area'600 Column(9)=Delta Vol=Incremental Vol in- Incremental Vol out=Col(3)-Col(8) Column(10)=Remaining Pond Vol=Previous Remaining Vol+Col (9) Column(11)=Pond Depth at End of Interval =Col(J)/Pond Area Column(12)=Pond CFS Discharge=Col(8)/600 (1) (2) (3) (4) (6) (7) (8) (6a) (9) Time Time Increm. Starting Increm. Delta Increm. Vol into Pond Vol 1 out Vol Pond Depth Pond min. cf ft. cf cf 1 10 0.00 0.000 0.000 0.000 0.000 -83.72 0.000 0.000 0.00 2 20 0.00 0.000 0.000 0.000 0.000 -83.72 0.000 0.000 0.00 3 30 0.00 0.000 0.000 0.000 0.000 -83.72 0.000 0.000 0.00 4 40 0.76 0.000 0.000 0.014 0.088 -83.72 0.000 0.000 0.67 5 50 2.73 0.001 0.096 0.310 1.970 -83.62 0.000 0.000 0.76 6 60 4.96 0.003 0.205 0.452 2.878 -83.52 0.000 0.000 2.09 7 70 6.83 0.008 0.503 0.709 4.513 -83.22 0.000 0.000 2.32 S 80 8.41 0.013 0.835 0.914 5.814 -82.88 0.000 0.000 2.60 9 90 9.75 0.019 1.207 1.098 6.988 -82.51 0.000 0.000 2.76 10 100 10.91 0.025 1.602 1.266 8.052 -82.12 0.000 0.000 2.85 11 110 13.52 0.031 2.011 1.418 9.021 -81.71 0.000 0.000 4.50 12 120 16.21 0.041 2.654 1.629 10.364 -81.07 0.000 0.000 5.84 13 130 17.35 0.054 3.490 1.868 11.885 -80.23 0.000 0.000 5.46 14 140 18.32 0.066 4.272 2.067 13.149 -79.45 0.000 0.000 5.17 15 150 19.16 0.078 5.012 2.239 14.243 -78.71 0.000 0.000 4.92 16 160 19.90 0.089 5.716 2.391 15.210 -78.00 0.000 0.000 4.68 17 170 22.65 0.099 6.387 2.527 16.078 -77.33 0.000 0.000 6.57 18 180 25.44 0.114 7.328 2.707 17.221 -76.39 0.000 0.000 822 19 190 26.13 0.132 8.503 2.916 18.551 -75.22 0.000 0.000 7.58 20 200 26.73 0.149 9.588 3.096 19.699 -74.13 0.000 0.000 7.03 21 210 27.26 0.165 10.594 3.255 20.707 -73.13 0.000 0.000 6.55 22 220 27.72 0.179 11.532 3.396 21.604 -72.19 0.000 0.000 6.12 23 230 30.51 0.193 12.408 3.522 22.409 -71.31 0.000 0.000 8.10 24 240 33.31 0.211 13.567 3.683 23.433 -70.15 0.000 0.000 9.88 25 250 33.74 0.233 14.981 3.871 24.623 -68.74 0.000 0.000 9.12 26 260 34.12 0.253 16.286 4.036 25.674 -67.43 0.000 0.000 8.45 27 270 34.46 0.272 17.495 4.183 26.610 -66.22 0.000 0.000 7.85 ��) �2) �3) �4) �6) ��) ($) (9) Time Time Increm. Starting Increm. Delta Increm. Vol into Pond Vol out Vol Pond Depth Pond min. cf ft. cf cf 28 280 34.76 0.289 18.619 4.315 27.451 -65.10 0.000 0.000 7.31 29 290 38.06 0.305 19.665 4.435 28.212 -64.05 0.000 0.000 9.84 30 300 41.36 0.327 21.074 4.591 29.205 -62.65 0.000 0.000 12.16 31 310 41.65 0.354 22.814 4.776 30.386 -60.91 0.000 0.000 11.27 32 320 41.91 0.379 24.426 4.942 31.442 -59.29 0.000 0.000 10.47 33 330 42.14 0.403 25.925 5.092 32.392 -57.80 0.000 0.000 9.75 34 340 42.35 0.424 27.320 5.227 33.252 -56.40 0.000 D.000 9.10 35 350 45.92 0.444 28.622 5.350 34.035 -55.10 0.000 0.000 11.89 36 360 49.51 0.471 30.324 5.507 35.032 -53.40 0.000 0.000 14.47 37 370 49.71 0.503 32.395 5.692 36.209 -51.33 0.000 0.000 13.50 38 380 49.89 0.533 34.327 5.859 37.273 -49.39 0.000 0.000 12.62 39 390 50.05 0.561 36.132 6.011 38.240 -47.59 0.000 0.000 11.81 40 400 50.20 0.587 37.822 6.150 39.125 -45.90 0.000 0.000 11.07 41 410 60.69 0.612 39.407 6.277 39.936 -44.31 0.000 0.000 20.76 42 420 71.23 0.658 42.377 6.510 41.414 -41.34 0.000 0.000 29.81 43 430 71.44 0.724 46.644 6.830 43.449 -37.08 0.000 0.000 27.99 44 440 83.95 0.786 50.650 7.117 45.276 -33.07 0.000 0.000 38.67 45 450 96.50 0.872 56.184 7.496 47.685 -27.54 0.000 0.000 48.81 46 460 139.88 0.981 63.170 7.948 50.563 -20.55 0.000 0.000 89.32 47 470 237.63 1.179 75.953 8.715 55.443 -7.77 0.000 0.000 182.19 48 480 219.32 1.584 102.026 10.101 64.259 18.31 4.279 302.435 -147.37 49 490 122.16 1.257 80.935 8.996 57.233 -2.78 0.000 0.000 64.93 50 500 85.34 1.401 90227 9.499 60.429 6.51 2.551 180.310 -155.40 51 510 72.90 1.056 67.988 8.245 52.455 -15.73 0.000 0.000 20.44 52 520 72.94 1.101 70.913 8.421 53.572 -12.81 0.000 0.000 19.37 53 530 60.45 1.144 73.685 8.584 54.609 -10.03 0.000 0.000 5.84 54 540 47.95 1.157 74.522 8.633 54.918 -9.20 0.000 0.000 -6.97 55 550 47.97 1.142 73.524 8.575 54.550 -10.20 0.000 0.000 -6.58 56 560 47.98 1.127 72.582 8.520 54.199 -11.14 0.000 0.000 -6.22 57 570 48.00 1.113 71.692 8.467 53.866 -12.03 0.000 0.000 -5.87 58 580 48.01 1.100 70.853 8.417 53.549 -12.87 0.000 0.000 -5.54 59 590 48.03 1.088 70.060 8.370 53.249 -13.66 0.000 0.000 -5.22 60 600 48.04 1.076 69.312 8.325 52.964 -14.41 0.000 0.000 -4.93 61 610 48.05 1.065 68.608 8.283 52.694 -15.11 0.000 0.000 -4.64 62 620 48.06 1.055 67.943 8.243 52.438 -15.78 0.000 0.000 -4.37 63 630 48.08 1.045 67.317 8.205 52.196 -16.40 0.000 0.000 -4.12 64 640 48.09 1.036 66.727 8.169 51.967 -16.99 0.000 0.000 -3.88 65 650 43.72 1.028 66.172 8.135 51.750 -17.55 0.000 0.000 -8.03 66 660 39.36 1.010 65.023 8.064 51.299 -18.70 0.000 0.000 -11.94 67 670 39.37 0.983 63.315 7.957 50.621 -20.41 0.000 0.000 -11.25 68 680 39.37 0.958 61.704 7.855 49.973 -22.02 0.000 0.000 -10.60 69 690 39.38 0.935 60.187 7.758 49.355 -23.53 0.000 0.000 -9.98 70 700 39.38 0.912 58.759 7.665 48.766 -24.96 0.000 0.000 -9.38 71 710 39.39 0.892 57.417 7.577 48.205 -26.30 0.000 0.000 -8.81 72 720 39.40 0.872 56.155 7.494 47.673 -27.56 0.000 0.000 -8.28 73 730 39.40 0.854 54.971 7.414 47.167 -28.75 0.000 0.000 -7.77 74 740 39.41 0.836 53.860 7.339 46.688 -29.86 0.000 0.000 -7.28 75 750 39.41 0.820 52.818 7.268 46.234 -30.90 0.000 0.000 -6.82 76 760 39.42 0.805 51.841 7.200 45.805 -31.88 0.000 0.000 -6.39 77 770 35.32 0.791 50.927 7.136 45.400 -32.79 0.000 0.000 -10.08 78 780 31.21 0.768 49.484 7.035 44.752 -34.24 0.000 0.000 -13.54 79 790 31.22 0.738 47.547 6.895 43.867 -36.17 0.000 0.000 -12.65 80 800 31.22 0.710 45.736 6.763 43.024 -37.98 0.000 0.000 -11.80 81 810 31.22 0.684 44.047 6.637 42.221 -39.67 0.000 0.000 -11.00 ��) �Z) �3) �4) �6) ��) (8) (9) Time Time Increm. Starting Increm. Delta Increm. Vol into Pond Vol out Vol Pond Depth Pond min. cf ft. cf cf 82 820 31.22 0.660 44.047 6.637 42.221 -41.25 0.000 0.000 -11.00 83 830 31.23 0.635 40.899 6.395 40.685 -42.82 0.000 0.000 -9.46 84 840 31.23 0.614 39.545 6.289 40.006 -44.17 0.000 0.000 -8.78 85 850 31.23 0.595 38.289 6.188 39.365 -45.43 0.000 0.000 -8.13 86 860 31.23 0.576 37.125 6.093 38.762 -46.59 0.000 0.000 -7.53 87 870 31.24 0.560 36.048 6.004 38.196 -47.67 0.000 0.000 -6.96 88 880 31.24 0.544 35.052 5.920 37.665 -48.67 0.000 0.000 -6.42 89 890 29.32 0.530 34.133 5.842 37.167 -49.59 0.000 0.000 -7.84 90 900 27.41 0.513 33.010 5.745 36.551 -50.71 0.000 0.000 -9.14 91 910 27.41 0.492 31.702 5.630 35.819 -52.02 0.000 0.000 -8.41 92 920 27.41 0.474 30.498 5.522 35.133 -53.22 0.000 0.000 -7.72 93 930 27.41 0.456 29.393 5.422 34.490 -54.33 0.000 0.000 -7.08 94 940 27.41 0.441 28.380 5.327 33.891 -55.34 0.000 0.000 -6.48 95 950 27.42 0.426 27.453 5.240 33.333 -5627 0.000 0.000 -5.92 96 960 27.42 0.413 26.606 5.158 32.815 -57.11 0.000 0.000 -5.40 97 970 27.42 0.401 25.834 5.083 32.335 -57.89 0.000 0.000 -4.92 98 980 27.42 0.390 25.130 5.013 31.891 -58.59 0.000 0.000 -4.47 99 990 27.42 0.380 24.490 4.949 31.483 -59.23 0.000 0.000 -4.06 100 1000 27.42 0.371 23.909 4.890 31.107 -59.81 0.000 0.000 -3.68 101 1010 24.68 0.363 23.382 4.835 30.762 -60.34 0.000 0.000 -6.08 102 1020 21.94 0.350 22.512 4.745 30.184 -61.21 0.000 0.000 -8.24 103 1030 21.94 0.331 21.332 4.619 29.383 -62.39 0.000 0.000 -7.44 104 1040 21.94 0.315 20.267 4.502 28.640 -63.45 0.000 0.000 -6.70 105 1050 21.94 0.300 19.309 4.394 27.955 -64.41 0.000 0.000 -6.01 106 1060 21.94 0.286 18.448 4.295 27.325 -65.27 0.000 0.000 -5.38 107 1070 21.95 0.275 17.678 4.205 26.748 -66.04 0.000 0.000 -4.80 108 1080 21.95 0.264 16.991 4.122 26.223 -66.73 0.000 0.000 -4.28 109 1090 21.95 0.254 16.379 4.047 25.746 -67.34 0.000 0.000 -3.80 110 1100 21.95 0.246 15.835 3.979 25.316 -67.88 0.000 0.000 -3.37 111 1110 21.95 0.238 15.353 3.918 24.927 -68.37 0.000 0.000 -2.98 112 1120 21.95 0.232 14.927 3.864 24.579 -68.79 0.000 0.000 -2.63 113 1130 21.95 0.226 14.551 3.815 24.267 -69.17 D.000 0.000 -2.32 114 1140 21.95 0.221 14219 3.771 23.989 -69.50 0.000 0.000 -2.04 115 1150 21.95 0.216 13.927 3.732 23.742 -69.79 0.000 0.000 -1.79 116 1160 21.95 0.212 13.671 3.697 23.522 -70.05 0.000 0.000 -1.57 117 1170 21.95 0.209 13.447 3.667 23.328 -70.27 0.000 0.000 -1.37 118 1180 21.95 0.206 13.250 3.640 23.157 -70.47 0.000 0.000 -�.20 119 1190 21.95 0.203 13.078 3.616 23.006 -70.64 0.000 0.000 -1.05 120 1200 21.96 0.201 12.927 3.595 22.873 -70.79 0.000 0.000 -0.92 121 1210 21.96 0.199 12.796 3.577 22.757 -70.92 0.000 0.000 -0.80 122 1220 21.96 0.197 12.681 3.561 22.655 -71.04 0.000 0.000 -0.70 123 1230 21.96 0.195 12.581 3.547 22.565 -71.14 0.000 0.000 -0.61 124 1240 21.96 0.194 12.494 3.535 22.487 -71.23 0.000 0.000 -0.53 125 1250 21.96 0.193 12.419 3.524 22.419 -71.30 0.000 0.000 -0.46 126 1260 21.96 0.192 12.353 3.515 22.359 -71.37 0.000 0.000 -0.40 127 1270 21.96 0.191 12.296 3.507 22.308 -71.42 0.000 0.000 -0.35 128 1280 21.96 0.190 12246 3.499 22.262 -71.47 0.000 0.000 -0.30 129 1290 21.96 0.189 12.203 3.493 22.223 -71.52 0.000 0.000 -0.26 130 1300 21.96 0.189 12.165 3.488 22.189 -71.55 0.000 0.000 -0.23 131 1310 21.96 0.188 12.133 3.483 22.159 -71.59 0.000 0.000 -0.20 132 1320 21.96 0.188 12.105 3.479 22.134 -71.62 0.000 0.000 -0.17 133 1330 21.96 0.188 12.080 3.476 22.111 -71.64 0.000 0.000 -0.15 134 1340 21.96 0.187 12.059 3.473 22.092 -71.66 0.000 0.000 -0.13 ��) (z) (3) (4) �6) (�) �$) (9) Time Time Increm. Starting Increm. Delta Increm. Vol into Pond Vol out Vol Pond Depth Pond min. cf ft. cf cf 135 1350 21.97 0.187 12.041 3.470 22.075 -71.68 0.000 0.000 -0.11 136 1360 21.97 0.187 12.025 3.468 22.061 -71.69 0.000 0.000 -0.10 137 1370 21.97 0.187 12.012 3.466 22.049 -71.71 0.000 0.000 -0.08 138 1380 21.97 0.186 12.000 3.464 22.038 -71.72 0.000 0.000 -0.07 139 1390 21.97 0.186 11.990 3.463 22.028 -71.73 0.000 0.000 -0.06 140 1400 21.97 0.186 11.981 3.461 22.020 -71.74 0.000 0.000 -0.05 141 1410 21.97 0.186 11.974 3.460 22.014 -71.75 0.000 0.000 -0.04 142 1420 21.97 0.186 11.967 3.459 22.008 -71.75 0.000 0.000 -0.04 143 1430 21.97 0.186 11.962 3.459 22.003 -71.76 0.000 0.000 -0.03 144 1440 21.97 0.186 11.957 3.458 21.998 -71.76 0.000 0.000 -0.03 5126.61 ��) ��) �12) Remain Remain CFS Total Pond Discharge Vol Depth in. ft 0.0 0.000 0.00 0.0 0.000 0.00 0.0 0.000 0.00 0.7 0.001 0.00 1.4 0.003 0.00 3.5 0.008 0.00 5.8 0.013 0.01 8.4 0.019 0.01 11.2 0.025 0.01 14.0 0.031 0.01 18.5 0.041 0.02 24.4 0.054 0.02 29.9 0.066 0.02 35.0 0.078 0.02 39.9 0.089 0.02 44.6 0.099 0.03 51.2 0.114 0.03 59.4 0.132 0.03 67.0 0.149 0.03 74.0 0.165 0.03 8Q.6 0.179 0.03 86.7 0.193 0.04 94.8 0.211 0.04 104.7 0.233 0.04 113.8 0.253 0.04 122.3 0.272 0.04 130.1 0.289 0.04 (10) (11) (12) Remain Remain CFS Total Pond Discharge Vol Depth in. ft 137.4 0.305 0.05 147.3 0.327 0.05 159.4 0.354 0.05 170.7 0.379 0.05 181.1 0.403 0.05 190.9 0.424 0.05 200.0 0.444 0.06 211.9 0.471 0.06 226.4 0.503 0.06 239.9 0.533 0.06 252.5 0.561 0.06 264.3 0.587 0.06 275.4 0.612 0.07 296.1 0.658 0.07 325.9 0.724 0.07 353.9 0.786 0.07 392.6 0.872 0.08 441.4 0.981 08 530. . � �7O 0.0 12.9 1.584 . 9 565.5 1 0.11 . 1.401 0.10 475.1 1.056 0.10 495.5 1.101 0.09 514.9 1.144 0.09 520.7 1.157 0.09 513.8 1.142 0.09 507.2 1.127 0.09 501.0 1.113 0.09 495.1 1.100 0.09 489.5 1.088 0.09 484.3 1.076 0.09 479.4 1.065 0.09 474.8 1.055 0.09 470.4 1.045 0.09 466.3 1.036 0.09 462.4 1.028 0.09 454.4 1.010 0.09 442.4 0.983 0.09 431.2 0.958 0.08 420.6 0.935 0.08 410.6 0.912 0.08 401.2 0.892 0.08 392.4 0.872 0.08 384.1 0.854 0.08 376.3 0.836 0.08 369.1 0.820 0.08 362.2 0.805 0.08 355.9 0.791 0.08 345.8 0.768 0.08 332.2 0.738 0.07 319.6 0.710 0.07 307.8 0.684 0.07 296.8 0.660 0.07 (10) (��) (12) Remain Remain CFS Total Pond Discharge Vol Depth in. ft 285.8 0.635 0.07 276.3 0.614 0.07 267.5 0.595 0.07 259.4 0.576 0.07 251.9 0.560 0.06 244.9 0.544 0.06 238.5 0.530 0.06 230.7 0.513 0.06 221.5 0.492 0.06 213.1 0.474 0.06 205.4 0.456 0.06 198.3 0.441 0.06 191.8 0.426 0.06 185.9 0.413 0.06 180.5 0.401 0.05 175.6 0.390 0.05 171.1 0.380 0.05 167.1 0.371 0.05 163.4 0.363 0.05 157.3 0.350 0.05 149.1 0.331 0.05 141.6 0.315 0.05 134.9 0.300 0.05 128.9 0.286 0.05 123.5 0.275 0.05 118.7 0.264 0.04 114.4 0.254 0.04 110.6 0.246 0.04 107.3 0.238 0.04 104.3 0.232 0.04 101.7 0.226 0.04 99.4 0.221 0.04 97.3 0.216 0.04 95.5 0.212 0.04 94.0 a.209 0.04 92.6 0.206 0.04 91.4 0.203 0.04 90.3 0.201 0.04 89.4 0.199 0.04 88.6 0.197 0.04 87.9 0.195 0.04 87.3 0.194 0.04 86.8 0.193 0.04 86.3 0.192 0.04 85.9 0.191 0.04 85.6 0.190 0.04 85.3 0.189 0.04 85.0 0.189 0.04 84.8 0.188 0.04 84.6 0.188 0.04 84.4 0.188 0.04 84.3 0.187 0.04 84.1 0.187 0.04 ��) �1�) ��2) Remain Remain CF5 Total Pond Discharge Vol Depth in. ft 84.0 0.187 0.04 83.9 0.187 0.04 83.9 0.186 0.04 83.8 0.186 0.04 83.7 0.186 0.04 83.7 0.186 0.04 83.6 0.186 0.04 83.6 0.186 0.04 83.6 0.186 0.04 83.5 0.186 0.04 STORMWATER CALCULATIC ►TRIX-SANTA BARBARA HYDRaGRAPGH HOD Date: Oct-03 Given: Project= TEMPLETON-PARKING LOT Area = 0.44 acres Pt = 3.9 inches 25-Year/24 Hour Storm dt = 10 min. Tc = 10 min. (Pre-Developed Site Conditions) PERVIOUS Parcel IMPERVIOUS Parcel Area = 0.44 acres Area = 0 acres CN = 82 CN = 98 S = 2.20 S = 0.20 0.2S = 0.44 0.2S = Q.04 Compute:Developed Conditions Runoff hydrograph Column(3)=SCS Type IA Rainfall Distribution Column (4)=Col. (3)x Pt= 10 year-24 Hour Hyetograph at this location. Column(5)=Accumulated 5um of Col. (4) Column(6)_[If P<=02S�=0; Note, use PERVIOUS Area"S"value. [If P>0.2S]_(Col.(5)-0.2S)^2/(Col.(5)+0.8S); Using the PERVIOUS Area"S"value. Column(7)=Col.(6)of Present Time Step-Col.(6)of Previous Time Step Column (8}=Same method as for Col.(6), except use the IMPERVIOUS Area"S"value. Column (9)=Col.(S)of the present time step-Col.(8)of the previous time step. Column (10)_ ((PERVIOUS area/Total area)x Col.(7))+((IMPERVIOUS area/Total area)x Col.(9)) Column (11)_(60.5 x Col.(10)x Total Area)/ 10(dt= 10 minutes) Routing Constant,w=dt/(2Tc+dt) = 0.3333 Column(12)=Col.(12)of Previous Time Step+(w x(Col.(11)of Previous Time Step +Col.(11)of Present Time Step-(2 x Col.(12)of Previous Time Step)]) Pervious Area Impervious Area ��) �2) (3) (4) (5) (6) (�) �$) (9) �10) (��) (12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydra hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. %of Pt in. in. in. in. in. in. in. cfs cfs 1 10 0.0040 0.0156 0.0156 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 2 20 0.0040 0.0156 0.0312 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 3 30 0.0040 0.0156 0.0468 0.0000 0.0000 0.0002 0.0002 0.0000 0.0 0.000 I 4 40 0.0040 0.0156 0.0624 0.0000 0.0000 0.0021 0.0019 0.0000 0.0 0.000 5 50 0.0040 0.0156 0.0780 0.0000 0.0000 0.0057 0.0037 0.0000 0.0 0.000 6 60 0.0040 0.0156 0.0936 0.0000 0.0000 0.0108 0.0051 0.0000 0.0 0.000 7 70 0.0040 0.0156 0.1092 0.0000 0.0000 0.0172 0.0063 0.0000 0.0 0.000 8 80 0.0040 0.0156 0.1248 0.0000 0.0000 0.0245 0.0073 0.0000 0.0 0.000 9 90 0.0040 0.0156 0.1404 0.0000 0.0000 0.0327 0.0082 0.0000 0.0 0.000 10 100 0.0040 0.0156 0.1560 0.0000 0.0000 0.0416 0.0089 0.0000 0.0 0.000 11 110 0.0050 0.0195 0.1755 0.0000 0.0000 0.0535 0.0120 0.0000 0.0 0.000 12 120 0.0050 0.0195 0.1950 0.0000 0.0000 0.0664 0.0128 0.0000 0.0 0.000 13 130 0.0050 0.0195 0.2145 0.0000 O.OD00 0.0799 0.0135 0.0000 0.0 0.000 14 140 0.0050 0.0195 0.2340 0.0000 Q.0000 0.0939 0.0141 0.0000 0.0 0.000 15 150 0.0050 0.0195 0.2535 0.0000 0.0000 0.1085 0.0146 0.0000 0.0 0.000 ' 16 160 U.0050 0.0195 0.2730 0.0000 0.0000 0.1236 0.0150 0.0000 0.0 0.000 17 170 0.0060 0.0234 0.2964 0.0000 0.0000 0.1421 0.0185 0.0000 0.0 0.000 18 180 0.0060 0.0234 0.3198 0.0000 0.0000 0.1611 0.0190 0.0000 0.0 0.000 19 190 0.0060 0.0234 0.3432 0.0000 0.0000 0.1805 0.0194 0.0000 0.0 0.000 20 200 0.0060 0.0234 0.3666 0.0000 0.0000 0.2003 0.0198 0.0000 0.0 0.000 21 210 0.0060 0.0234 0.3900 0.0000 0.0000 0.2204 0.0201 0.0000 0.0 0.000 22 220 0.0060 0.0234 0.4134 0.0000 0.0000 0.2407 0.0203 0.0000 0.0 0.000 23 230 0.0070 0.0273 0.4407 0.0000 0.0000 0.2646 0.0240 0.0000 0.0 0.000 24 240 0.0070 0.0273 0.4680 0.0004 0.0004 0.2891 0.0243 0.0004 0.0 0.000 25 250 0.0070 0.0273 0.4953 0.0014 0.0010 0.3136 0.0246 0.0010 0.0 0.001 26 260 0.0070 0.0273 0.5226 0.0031 0.0017 0.3384 0.0248 0.0017 0.0 0.003 27 270 0.0070 0.0273 0.5499 0.0053 0.0023 0.3634 0.0250 0.0023 0.0 0.004 Pervious Area Imperoious Area �1) �2) �3) �4) �5) �6) ��) �8) �9) �10) ��) �12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydra hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 28 280 0.0070 0.0273 0.5772 0.0082 0.0029 0.3885 0.0251 0.0029 0.0 0.006 29 290 0.0082 0.0320 0.6092 0.0122 0.0041 0.4182 0.0297 0.0041 0.0 0.008 3D 300 0.0082 0.0320 0.6412 0.0170 0.0048 0.4480 0.0298 0.0048 0.0 0.011 31 310 0.0082 0.0320 0.6731 0.0226 0.0055 0.4780 0.0300 0.0055 0.0 0.013 32 320 0.0082 0.0320 0.7051 0.0288 0.0062 0.5082 0.0301 0.0062 0.0 0.015 33 330 0.0082 0.0320 0.7371 0.0356 0.0069 0.5385 0.0303 0.0069 0.0 0.016 34 340 0.0082 0.0320 0.7691 0.0431 0.0075 0.5689 0.0304 0.0075 0.0 0.018 35 350 0.0095 0.0371 0.8061 0.0526 0.0095 0.6042 0.0353 0.0095 0.0 0.021 36 360 0.0095 0.0371 0.8432 0.0628 0.0102 0.6397 0.0355 0.0102 0.0 0.025 37 370 0.0095 0.0371 0.8802 0.0738 0.0110 0.6752 0.0356 0.0110 0.0 0.027 38 380 0.0095 0.0371 0.9173 0.0856 0.0117 0.7109 0.0357 0.0117 0.0 0.029 39 390 0.0095 0.0371 0.9543 0.0980 0.0124 0.7467 0.0358 0.0124 0.0 0.031 40 400 0.0095 0.0371 0.9914 0.1110 0.0131 0.7826 0.0359 0.0131 0.0 0.033 41 410 0.0134 0.0523 1.0436 0.1306 0.0195 0.8333 0.0507 0.0195 0.1 0.040 42 420 0.0134 0.0523 1.0959 0.1513 0.0207 0.8841 0.0508 0.0207 0.1 0.049 43 430 0.0134 0.0523 1.1482 0.1732 0.0219 0.9350 0.0509 0.0219 0.1 0.054 44 440 0.0180 0.0702 1.2184 0.2042 0.0310 1.0036 0.0686 0.0310 0.1 0.065 45 450 0.0180 0.0702 1.2886 0.2370 0.0328 1.0723 0.0687 0.0328 0.1 0.078 46 460 0.0340 0.1326 1.4212 0.3036 0.0666 1.2025 0.1302 0.0666 0.2 47 470 0.0540 0.2106 1.6318 0.4199 0.1163 1.4101 0.2075 0.1163 0.3 0.200 4S 480 0.0270 0.1053 1.7371 0.4823 0.0624 1.5141 0.1040 0.0624 0.2 0.225 Q peak 49 490 0.0180 0.0702 1.8073 0.5254 0.0430 1.5835 0.0694 0.0430 0.1 0.169 50 500 0.0134 0.0523 1.8595 0.5581 0.0327 1.6352 0.0517 0.0327 0.1 . 51 510 0.0134 0.0523 1.9118 0.5914 0.0333 1.6870 0.0517 0.0333 0.1 0.100 52 520 0.0134 0.0523 1.9640 0.6252 0.0338 1.7387 0.0518 0.0338 0.1 0.093 53 530 0.0088 0.0343 1.9984 0.6476 0.0225 1.7727 0.0340 0.0225 0.1 0.081 54 540 0.0088 0.0343 2.0327 0.6703 Q.0227 1.8067 0.0340 0.0227 0.1 0.067 55 550 0.0088 0.0343 2.0670 0.6932 0.0229 1.8408 0.0340 0.0229 0.1 0.063 56 560 0.0088 0.0343 2.1013 0.7163 0.0231 1.8748 0.0340 0.0231 0.1 0.062 57 570 0.0088 0.0343 2.1356 0.7396 0.0233 1.9089 0.0340 0.0233 0.1 0.062 58 580 0.0088 0.0343 2.1700 0.7631 0.0235 1.9429 0.0341 0.0235 0.1 0.062 59 590 0.0088 0.0343 2.2043 0.7868 0.0237 1.9770 0.0341 0.0237 0.1 0.063 60 600 0.0088 0.0343 2.2386 0.8107 0.0239 2.0110 0.0341 0.0239 0.1 0.063 61 610 0.0088 0.0343 2,2729 0.8347 0.0240 2.0451 0.0341 0.0240 0.1 0.064 62 620 0.0088 0.0343 2.3072 0.8590 0.0242 2.0792 0.0341 0.0242 0.1 0.064 63 630 0.0088 0.0343 2.3416 0.8833 0.0244 2.1133 0.0341 0.0244 0.1 0.064 64 640 0.0088 0.0343 2.3759 0.9079 0.0246 2.1474 0.0341 0.0246 0.1 0.065 65 650 0.0072 0.0281 2.4040 0.9281 0.0202 2.1753 0.0279 O.D202 0.1 0.061 66 660 0.0072 0.0281 2.4320 0.9484 0.0203 2.2032 0.0279 0.0203 0.1 0.056 67 670 0.0072 0.0281 2.4601 0.9688 0.0204 2.2311 0.0279 0.0204 0.1 0.055 68 680 0.0072 0.0281 2.4882 0.9894 0.0205 2.2590 0.0279 0.0205 0.1 0.055 69 690 0.0072 0.0281 2.5163 1.0100 0.0206 2.2869 0.0279 0.0206 0.1 0.055 70 700 0.0072 0.0281 2.5444 1.0307 0.0207 2.3148 0.0279 0.0207 0.1 0.055 71 710 0.0072 0.0281 2.5724 1.0515 0.0208 2.3428 0.0279 0.0208 0.1 0.055 72 720 0.0072 0.0281 2.6005 1.0724 0.0209 2.3707 0.0279 0.0209 0.1 0.055 73 730 0.0072 0.0281 2.6286 1.0934 0.0210 2.3986 0.0279 0.0210 0.1 0.056 74 740 0.0072 0.0281 2.6567 1.1145 0.0211 2.4266 0.0279 0.0211 0.1 0.056 75 750 0.0072 0.0281 2.6848 1.1357 0.0212 2.4545 0.0279 0.0212 0.1 0.056 76 760 0.0072 0.0281 2.7128 1.1569 0.0213 2.4824 0.0279 0.0213 0.1 0.056 77 770 0.0057 0.0222 2.7351 1.1738 0.0169 2.5045 0.0221 0.0169 0.0 0.053 78 780 0.0057 0.0222 2.7573 1.1908 0.0169 2.5267 0.0221 0.0169 0.0 0.048 79 790 0.0057 0.0222 2.7795 1.2078 0.0170 2.5488 0.0221 0.0170 0.0 0.046 80 800 0.0057 0.0222 2.8018 1.2248 0.0170 2.5709 0.0221 0.0170 0.0 0.046 81 810 0.0057 0.0222 2.8240 1.2419 0.0171 2.5930 0.0221 0.0171 0.0 0.045 Pervious Area Impervious Area ��) �2) �3) �4) �5) �6) ��) �8) �9) ��) �11) �12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 82 820 0.0057 �.0222 2.8462 1.2591 0.0171 2.6152 0.0221 0.0171 0.0 0.046 83 830 0.0057 0.0222 2.8685 1.2763 0.0172 2.6373 0.0221 0.0172 0.0 0.046 84 840 0.0057 0.0222 2.8907 1.2935 0.0172 2.6594 0.0221 0.0172 0.0 0.046 85 850 0.0057 0.0222 2.9129 1.3108 0.0173 2.6816 0.0221 0.0173 0.0 0.046 86 860 0.0057 0.0222 2.9351 1.3281 0.0173 2.7037 0.0221 0.0173 0.0 0.046 87 870 0.0057 0.0222 2.9574 1.3455 0.0174 2.7258 0.0221 0.0174 0.0 0.046 88 880 0.0057 0.0222 2.9796 1.3630 0.0174 2.748D 0.0221 0.0174 0.0 0.046 89 890 0.0050 0.0195 2.9991 1.3783 0.0153 2.7674 0.0194 0.0153 0.0 0.044 90 900 0.0050 0.0195 3.0186 1.3936 0.0154 2.7868 0.0194 0.0154 0.0 0.042 91 910 0.0050 0.0195 3.0381 1.4090 0.0154 2.8062 0.0194 0.0154 0.0 0.041 92 920 0.0050 0.0195 3.0576 1.4245 0.0154 2.8256 0.0194 0.0154 0.0 0.041 93 930 0.0050 0.0195 3.0771 1.4399 0.0155 2.8451 0.0194 0.0155 0.0 0.041 94 940 0.0050 0.0195 3.0966 1.4554 0.0155 2.8645 0.0194 0.0155 0.0 0.041 95 950 0.0050 0.0195 3.1161 1.4709 0.0155 2.8839 0.0194 0.0155 0.0 0.041 96 960 0.0050 0.0195 3.1356 1.4865 0.0156 2.9033 0.0194 0.0156 0.0 0.041 97 970 0.0050 0.0195 3.1551 1.5021 0.0156 2.9228 0.0194 0.0156 0.0 0.041 98 980 0.0050 0.0195 3.1746 1.5177 0.0156 2.9422 0.0194 0.0156 0.0 0.041 99 990 C.0050 0.0195 3.1941 1.5334 0.0157 2.9616 0.0194 0.0157 0.0 0.042 100 1000 0.0050 0.0195 32136 1.5490 0.0157 2.9810 0.0194 0.0157 0.0 0.042 101 1010 0.0040 0.0156 3.2292 1.5616 0.0126 2.9966 0.0155 0.0126 0.0 0.039 102 1020 0.0040 0.0156 3.2448 1.5742 0.0126 3.0121 0.0155 0.0126 0.0 0.035 103 1030 0.0040 0.0156 3.2604 1.5868 0.0126 3.0277 0.0155 0.0126 0.0 0.034 104 1040 0.0040 0.015fi 3.2760 1.5994 0.0126 3.0432 0.0155 0.0126 0.0 0.034 105 1050 0.0040 0.0156 3.2916 1.6121 0.0126 3.0588 0.0155 0.0126 0.0 0.034 106 1060 0.0040 0.0156 3.3072 1.6247 0.0127 3.0743 0.0155 0.0127 0.0 0.034 107 1070 0.0040 0.0156 3.3228 1.6374 0.0127 3.0898 0.0155 0.0127 0.0 0.034 108 1080 0.0040 0.0156 3.3384 1.6501 0.0127 3.1054 0.0155 0.0127 0.0 0.034 109 1090 0.0040 0.0156 3.3540 1.6628 0.0127 3.1209 0.0155 0.0127 0.0 0.034 110 1100 0.0040 0.0156 3.3696 1.6755 0.0127 3.1365 0.0155 0.0127 0.0 0.034 111 1110 0.0040 0.0156 3.3852 1.6883 0.0127 3.1520 0.0155 0.0127 0.0 0.034 112 1120 0.0040 0.0156 3.4008 1.7010 0.0128 3.1676 0.0155 0.0128 0.0 0.034 113 1130 0.0040 0.0156 3.4164 1.7138 0.0128 3.1831 0.0155 0.0128 0.0 0.034 114 1140 0.0040 0.0156 3.4320 1.7266 0.0128 3.1987 0.0155 0.0128 0.0 0.034 115 1150 0.0040 0.0156 3.4476 1.7394 0.0128 3.2142 0.0155 0.0128 0.0 0.034 116 1160 0.0040 0.0156 3.4632 1.7523 0.0128 3.2298 0.0156 0.0128 0.0 0.034 117 1170 0.0040 0.0156 3.4788 1.7651 0.0128 3.2453 0.0156 0.0128 0.0 0.034 118 1180 0.0040 0.0156 3.4944 1.7780 0.0129 3.2609 0.0156 0.0129 0.0 0.034 119 1190 0.0040 0.0156 3.5100 1.7909 0.0129 3.2764 0.0156 0.0129 Q.0 0.034 120 1200 0.0040 0.0156 3.5256 1.8038 0.0129 3.2920 0.0156 0.0129 0.0 0.034 121 1210 0.0040 0.0156 3.5412 1.8167 0.0129 3.3075 0.0156 0.0129 0.0 0.034 122 1220 0.0040 0.0156 3.5568 1.8296 0.0129 3.3231 0.0156 0.0129 0.0 0.034 123 1230 0.0040 0.0156 3.5724 1.8426 0.0129 3.3387 0.0156 0.0129 0.0 0.034 124 1240 0.0040 0.0156 3.5880 1.8555 0.0130 3.3542 0.0156 0.0130 0.0 0.034 125 1250 0.0040 0.0156 3.6036 1.8685 0.0130 3.3698 0.0156 0.0130 0.0 0.035 126 1260 0.0040 0.0156 3.6192 1.8815 0.0130 3.3853 0.0156 0.0130 0.0 0.035 127 1270 0.0040 0.0156 3.6348 1.8945 0.0130 3.4009 0.0156 0.0130 0.0 0.035 128 1280 0.0040 0.0156 3.6504 1.9075 0.0130 3.4164 0.0156 0.0130 0.0 0.035 129 1290 0.0040 0.0156 3.6660 1.9205 0.0130 3.4320 0.0156 0.0130 0.0 0.035 130 1300 0.0040 0.0156 3.6816 1.9336 0.0131 3.4475 0.0156 0.0131 0.0 0.035 131 1310 0.0040 0.0156 3.6972 1.9467 0.0131 3.4631 0.0156 0.0131 0.0 0.035 132 1320 0.0040 0.0156 3.7128 1.9597 0.0131 3.4786 0.0156 0.0131 0.0 0.035 133 1330 0.0040 0.0156 3.7284 1.9728 0.0131 3.4942 0.0156 0.0131 0.0 0.035 134 1340 0.0040 0.0156 3.7440 1.9859 0.0131 3.5098 0.0156 0.0131 0.0 0.035 Pervious Area Impervious Area ��) t2) �3) �4) �5) �6) ��) �8) �9) ��) ��) �12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 135 1350 0.0040 0.0156 3.7596 1.9991 0.0131 3.5253 0.0156 0.0131 0.0 0.035 136 1360 0.0040 0.0156 3.7752 2.0122 0.0131 3.5409 0.0156 0.0131 0.0 0.035 137 1370 0.0040 0.0156 3.7908 2.0253 0.0132 3.5564 0.0156 0.0132 0.0 0.035 138 1380 0.0040 0.0156 3.8064 2.0385 0.0132 3.5720 0.0156 0.0132 0.0 0.035 139 1390 0.0040 0.0156 3.8220 2.0517 0.0132 3.5876 0.0156 0.0132 0.0 0.035 140 1400 0.0040 0.0156 3.8376 2.0649 0.0132 3.6031 0.0156 0.0132 0.0 0.035 141 1410 0.0040 0.0156 3.8532 2.0781 0.0132 3.6187 0.0156 0.0132 0.0 0.035 142 1420 0.0040 0.0156 3.8688 2.0913 0.0132 3.6342 0.0156 0.0132 0.0 0.035 143 1430 0.0040 0.0156 3.8844 2.1045 0.0132 3.6498 0.0156 0.0132 0.0 0.035 144 1440 0.0040 0.0156 3.9000 2.1178 0.0132 3.6654 0.0156 0.0132 0.0 0.035 Total Volume of Runoff= 3361.371 cu.ft. (Found by summing this column and multiplying by 600. 600 is the conversion required to convert SUM(Q)in cfs to total volume in cubic feet as follows: V=SUM(Q)x dt (cu.ft.)_(cu.ff/s)x(10 min.)x(60 s/min.) STORMWATER CALCULATIO, .TRIX-SANTA BARBARA HYDROGRAPGH iOD Date: Oct-03 Given: Project= TEMPLETON-PARKING LOT Area = 0.44 acres Pt = 3.9 inches 25-Year/24 Hour Storm dt = 10 min. Tc = 5 min. (Post-Developed Site Conditions) PERVIOUS Parcel IMPERVIOUS Parcel Area = 0 acres Area = 0.44 acres CN = 80 CN = 98 S = 2.50 S = 0.20 0.2S = 0.50 0.2S = 0.04 Compute:Developed Conditions Runoff hydrograph Column(3)=SCS Type IA Rainfall Distribution Column(4)=Col. (3)x Pt= 10 year-24 Hour Hyetograph at this location. Column(5)=Accumulated Sum of Col. (4) Column(6)_ [If P<=0.2S] =0; Note, use PERVIOUS Area"S"value. [If P >02SJ=(Col.(5)-0.2S)^2/(Col.(5)+0.8S); Using the PERVIOUS Area"S"value. Column(7)=Col.(6)of Present Time Step- Col.(6)of Previous Time Step Column{8)=Same method as for Cof.(6), except use the IMPERVIOUS Area"S"value. Column(9)=Col.(8)of the present time step-Col.(8)of the previous time step. Column(10)_((PERVIOUS area/Total area)x Col.(7))+((IMPERVIOUS area/Total area)x Col.(9)) Column(11)_(60.5 x Col.(10)x Total Area)/10(dt= 10 minutes) Routing Constant,w=dt/(2Tc+dt) = 0.5000 Column(12)=Col.(12)of Previous Time Step+(w x[Col.(11)of Previous Time Step +Col.(11)of Present Time Step-(2 x Col.(12)of Previous Time Step)]) Pervious Area Impervious Area (�) (2) (3) (4) �5) (6) ��1 ($) (9) (10) {11) (12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. %of Pt in. in. in. in. in. in. in. cfs cfs 1 10 0.0040 0.0156 0.0156 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 2 20 0.0040 0.0156 0.0312 0.0000 0.0000 0.0000 0.0000 0.0000 0.0 0.000 3 30 0.0040 0.0156 0.0468 0.0000 0.0000 0.0002 0.0002 0.0002 0.0 0.000 4 40 0.0040 0.0156 0.0624 0.0000 0.0000 0.0021 0.0019 0.0019 0.0 0.003 5 50 0.0040 0.0156 0.0780 0.0000 0.0000 0.0057 0.0037 0.0037 0.0 0.007 6 60 0.0040 0.0156 0.0936 0.0000 0.0000 0.0108 0.0051 0.0051 0.0 0.012 7 70 0.0040 0.0156 0.1092 0.0000 0.0000 0.0172 0.0063 0.0063 0.0 0.015 8 80 0.0040 0.0156 0.1248 0.0000 0.0000 0.0245 0.0073 0.0073 0.0 0.018 9 90 0.0040 0.0156 0.1404 0.0000 0.0000 0.0327 0.0082 0.0082 0.0 0.021 10 100 0.0040 0.0156 0.1560 0.0000 0.0000 0.0416 0.0089 0.0089 0.0 0.023 11 110 0.0050 0.0195 0.1755 0.0000 0.0000 0.0535 0.0120 0.0120 0.0 0.028 12 120 0.0050 0.0195 0.1950 0.0000 0.0000 0.0664 0.0128 0.0128 0.0 0.033 13 130 0.0050 0.0195 0.2145 0.0000 0.0000 0.0799 0.0135 0.0135 0.0 0.035 14 140 0.0050 0.0195 0.2340 0.0000 0.0000 0.0939 0.0141 0.0141 0.0 0.037 15 150 0.0050 0.0195 0.2535 0.0000 0.0000 0.1085 0.0146 0.0146 0.0 0.038 16 160 0.0050 0.0195 0.2730 0.0000 0.0000 0.1236 0.0150 0.0150 0.0 0.039 17 170 0.0060 0.0234 0.2964 0.0000 0.0000 0.1421 0.0185 0.0185 0.0 0.045 18 180 0.0060 0.0234 0.3198 0.0000 0.0000 0.1611 0.0190 0.0190 0.1 0.050 19 190 0.0060 0.0234 0.3432 0.0000 0.0000 0.1805 0.0194 0.0194 0.1 0.051 20 200 0.0060 0.0234 0.3666 0.0000 0.0000 0.2003 0.0198 0.0198 0.1 0.052 21 210 0.0060 0.0234 0.3900 0.0000 0.0000 0.2204 0.0201 0.0201 0.1 0.053 22 220 0.0060 0.0234 0.4134 0.0000 0.0000 0.2407 0.0203 0.0203 0.1 0.054 23 230 0.0070 0.0273 0.4407 0.0000 0.0000 0.2648 0.0240 0.0240 0.1 0.059 24 240 0.0070 0.0273 0.4680 0.0000 0.0000 0.2891 0.0243 0.0243 0.1 0.064 25 250 0.0070 0.0273 0.4953 0.0000 0.0000 0.3136 0.0246 0.0246 0.1 0.065 26 260 0.0070 0.0273 0.5226 0.0002 0.0002 0.3384 0.0248 0.0248 0.1 0.066 27 270 0.0070 0.0273 0.5499 0.0010 0,0008 0.3634 0.0250 0.0250 0.1 0.066 Pervious Area Impervious Area (�) (2) (3) (4) (5) �6) (�) (8) (9) (��) (>>) (�Z) Time Time Rainfali Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 28 280 0.0070 0.0273 0.5772 0.0023 0.0013 0.3885 0.0251 0.0251 0.1 0.067 29 290 0.0082 0.0320 0.6092 0.0046 0.0023 0.4182 0.0297 0.0297 0.1 0.073 30 300 0.0082 0.0320 0.6412 0.0075 0.0030 0.4480 0.0298 0.0298 0.1 0.079 31 310 0.0082 0.0320 0.6731 0.0112 0.0037 0.4780 0.0300 0.0300 0.1 0.080 32 320 0.0082 0.0320 0.7051 0.0156 0.0043 0.5082 0.0301 0.0301 0.1 0.080 33 330 0.0082 0.0320 0.7371 0.0205 0.0050 0.5385 0.0303 0.0303 0.1 0.080 34 340 0.0�82 0.0320 0.7691 0.0261 0.0056 0.5689 0.0304 0.0304 0.1 0.081 35 350 0.0095 0.0371 0.8061 0.0334 0.0072 0.6042 0.0353 0.0353 0.1 0.087 36 360 0.0095 0.0371 0.8432 0.0414 0.0080 0.6397 0.0355 0.0355 0.1 0.094 37 370 0.0095 0.0371 0.8802 0.0502 0.0088 0.6752 0.0356 0.0356 0.1 0.095 38 380 0.0095 0.0371 0.9173 0.0597 0.0095 0.7109 0.0357 0.0357 0.1 0.095 39 390 0.0095 0.0371 0.9543 0.0699 0.0102 0.7467 0.0358 0.0358 0.1 0.095 40 400 0.0095 0.0371 0.9914 0.0807 0.0108 0.7826 0.0359 0.0359 0.1 0.095 41 410 0.0134 0.0523 1.0436 0.0971 0.0164 0.8333 0.0507 0.0507 0.1 0.115 42 420 0.0134 0.0523 1.0959 0.1147 0.0176 0.8841 0.0508 0.0508 0.1 0.135 43 430 0.0134 0.0523 1.1482 0.1334 0.0187 0.9350 0.0509 0.0509 0.1 0.135 44 440 0.0180 0.0702 1.2184 0.1603 0.0269 1.0036 0.0686 0.0686 0.2 0.159 45 450 0.0180 0.0702 1.2886 0.1891 0.0287 1.0723 0.0687 0.0687 0.2 0.183 46 460 0.0340 0.1326 1.4212 0.2480 0.0589 1.2025 0.1302 0.1302 0.3 0.265 47 470 0.0540 0.2106 1.6318 0.3527 0.1047 1.4101 0.2075 0.2075 0.6 0.449 48 480 0.0270 0.1053 1.7371 0.4095 0.0568 1.5141 0.1040 0.1040 0.3 0.415 Q peak 49 490 0.0180 0.0702 1.8073 0.4489 0.0394 1.5835 0.0694 0.0694 0.2 0.231 50 500 0.0134 0.0523 1.8595 0.4789 0.0300 1.6352 0.0517 0.0517 0.1 0.161 51 510 0.0134 0.0523 1.9118 0.5095 0.0306 1.6870 0.0517 0.0517 0.1 0.138 52 520 0.0134 0.0523 1.9040 0.5407 0.0312 1.7387 0.0518 0.0518 0.1 0.138 53 530 0.0088 0.0343 1.9984 0.5615 0.0208 1.7727 0.0340 0.0340 0.1 0.114 54 540 0.0088 0.0343 2.0327 0.5825 0.0210 1.8067 0.0340 0.0340 0.1 0.091 55 550 0.0088 D.0343 2.0670 0.6038 0.0212 1.8408 0.0340 0.0340 0.1 0.091 56 560 0.0088 0.0343 2.1013 0.6252 0.0215 1.8748 0.0340 0.0340 0.1 0.091 57 570 0.0088 0.0343 2.1356 0.6469 0.0217 1.9089 0.0340 0.0340 0.1 0.091 58 580 0.0088 0.0343 2.1700 0.6688 0.0219 1.9429 0.0341 0.0341 0.1 0.091 59 590 0.0088 0.0343 2.2043 0.6909 0.0221 1.9770 0.0341 0.0341 0.1 0.091 60 600 0.0088 0.0343 2.2386 0.7131 0.0223 2.0110 0.0341 0.0341 0.1 0.091 61 610 0.0088 0.0343 2.2729 0.7356 0.0225 2.0451 0.0341 0.0341 0.1 0.091 62 620 0.0088 0.0343 2.3072 0.7583 0.0227 2.0792 0.0341 0.0341 0.1 0.091 63 630 0.0088 0.0343 2.3416 0.7811 0.0228 2.1133 0.0341 0.0341 0.1 0.091 64 640 0.0088 0.0343 2.3759 0.8042 0.0230 2.1474 0.0341 0.0341 0.1 0.091 65 650 0.0072 0.0281 2.4040 0.8231 0.0190 2.1753 0.0279 0.0279 0.1 0.083 66 6fi0 0.0072 0.0281 2.4320 0.8422 0.0191 2.2032 0.0279 0.0279 0.1 0.074 67 670 0.0072 0.0251 2.4601 0.8614 0.0192 2.2311 0.0279 0.0279 0.1 0.074 68 680 0.0072 0.0281 2.4882 0.8807 0.0193 2.2590 0.0279 0.0279 0.1 0.074 69 690 0.0072 0.0281 2.5163 0.9002 0.0194 2.2869 0.0279 0.0279 0.1 0.074 70 700 0.0072 0.0281 2.5444 0.9197 0.0195 2.3148 0.0279 0.0279 0.1 0.074 71 710 0.0072 0.0281 2.5724 0.9393 0.0196 2.3428 0.0279 0.0279 0.1 0.074 72 720 0.0072 0.0281 2.6005 0.9591 0.0197 2.3707 0.0279 0.0279 0.1 0.074 73 730 0.0072 0.0281 2.6286 0.9789 0.0198 2.3986 0.0279 0.0279 0.1 0.074 74 740 0.0072 0.0281 2.6567 0.9988 0.0199 2.4266 0.0279 0.0279 0.1 0.074 75 750 0.0072 0.0281 2.6848 1.0189 0.0200 2.4545 0.0279 0.0279 0.1 0.074 76 760 0.0072 0.0281 2.7128 1.0390 0.0201 2.4824 0.0279 0.0279 0.1 0.074 77 770 0.0057 0.0222 2.7351 1.0550 0.0160 2.5045 0.0221 0.0221 0.1 0.067 78 780 Q.0057 0.0222 2.7573 1.0711 0.0161 2.5267 0.0221 0.0221 0.1 0.059 79 790 0.0057 0.0222 2.7795 1.0872 0.0161 2.5488 0.0221 0.0221 0.1 0.059 80 800 0.0057 0.0222 2.8018 1.1034 0.0162 2.5709 0.0221 0.0221 0.1 0.059 81 810 0.0057 0.0222 2.8240 1.1196 0.0162 2.5930 0.0221 0.0221 0.1 0.059 Pervious Area Impervious Area ��) �2) (3) (4) (5) �6) (�) �8) �9) �10) (>>) �12) Time Time Rainfali Incre- Accumu- Accumu- Incre- Accumu- Incre- Total instant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 82 820 0.0057 0.0222 2.8462 1.1359 0.0163 2.6152 0.0221 0.0221 0.1 0.059 83 830 0.0057 0.0222 2.8685 1.1522 0.0163 2.6373 0.0221 0.0221 0.1 0.059 84 840 0.0057 0.0222 2.8907 1.1686 0.0164 2.6594 0.0221 0.0221 0.1 0.059 85 850 0.0057 0.0222 2.9129 1.1851 0.0164 2.6816 0.0221 0.0221 0.1 0.059 86 S60 0.0057 0.0222 2.9351 1.2016 0.0165 2.7037 0.0221 0.0221 0.1 0.059 87 870 0.0057 0.0222 2.9574 1.2181 0.0166 2.7258 0.0221 0.0221 0.1 0.059 88 880 0.0057 0.0222 2.9796 1.2347 0.0166 2.7480 0.0221 0.0221 0.1 0.059 89 890 0.0050 0.0195 2.9991 1.2493 0.0146 2.7674 0.0194 0.0194 0.1 0.055 90 900 0.0050 0.0195 3.0186 1.2640 0.0146 2.7868 0.0194 0.0194 0.1 0.052 91 910 0.0050 0.0195 3.0381 12786 0.0147 2.8062 0.0194 0.0194 0.1 0.052 92 920 0.0050 0.0195 3.0576 1.2934 0.0147 2.8256 0.0194 0.0194 0.1 0.052 93 930 0.0050 0.0195 3.0771 1.3081 0.0148 2.8451 0.0194 0.0194 0.1 0.052 94 940 0.0050 0.0195 3.0966 1.3229 0.0148 2.8645 0.0194 0.0194 0.1 0.052 95 950 0.0050 0.0195 3.1161 1.3377 0.0148 2.8839 0.0194 0.0194 0.1 0.052 96 960 0.0050 0.0195 3.1356 1.3526 0.0149 2.9033 0.0194 0.0194 0.1 0.052 97 970 0.0050 0.0195 3.1551 1.3675 0.0149 2.9228 0.0194 0.0194 0.1 0.052 98 980 0.0050 0.0195 3.1746 1.3824 0.0149 2.9422 0.0194 0.0194 0.1 0.052 99 990 0.0050 0.0195 3.1941 1.3974 0.0150 2.9616 0.0194 0.0194 0.1 0.052 100 1000 0.0050 0.0195 3.2136 1.4124 0.0150 2.9810 0.0194 0.0194 0.1 0.052 101 1010 0.0040 0.0156 3.2292 1.4244 0.0120 2.9966 0.0155 0.0155 0.0 0.047 102 1020 0.0040 0.0156 3.2448 1.4365 0.0120 3.0121 0.0155 0.0155 0.0 0.041 103 1030 0.0040 0.0156 3.2604 1.4485 0.0121 3.0277 0.0155 0.0155 0.0 0.041 104 1040 0.0040 0.0156 3.2760 1.4606 0.0121 3.0432 0.0155 0.0155 0.0 0.041 105 1050 0.0040 0.0156 3.2916 1.4727 0.0121 3.0588 0.0155 0.0155 0.0 0.041 106 1060 0.0040 0.0156 3.3072 1.4848 0.0121 3.0743 0.0155 0.0155 0.0 0.041 107 1070 0.0040 0.0156 3.3228 1.4970 0.0121 3.0898 0.0155 0.0155 0.0 0.041 108 1080 0.0040 0.0156 3.3384 1.5092 0.0122 3.1054 0.0155 0.0155 0.0 0.041 109 1090 0.0040 0.0156 3.3540 1.5214 0.0122 3.1209 0.0155 0.0155 0.0 0.041 110 1100 0.0040 0.0156 3.3696 1.5336 0.0122 3.1365 0.0155 0.0155 0.0 0.041 111 1110 0.0040 0.0156 3.3852 1.5458 0.0122 3.1520 0.0155 0.0155 0.0 0.041 112 1120 0.0040 0.0156 3.4008 1.5580 0.0122 3.1676 0.0155 0.0155 0.0 0.041 113 1130 0.0040 0.0156 3.4164 1.5703 0.0123 3.1831 0.0155 0.0155 0.0 0.041 114 1140 0.0040 0.0156 3.4320 1.5826 0.0123 3.1987 0.0155 0.0155 0.0 0.041 115 1150 0.0040 0.0156 3.4476 1.5949 0.0123 3.2142 0.0155 0.0155 0.0 0.041 116 1160 0.0040 0.0156 3.4632 1.6072 0.0123 3.2298 0.0156 0.0156 0.0 0.041 117 1170 0.0040 0.0156 3.4788 1.6196 0.0123 3.2453 0.0156 0.0156 0.0 0.041 118 1180 0.0040 0.0156 3.4944 1.6319 0.0124 3.2609 0.0156 0.0156 0.0 0.041 119 1190 0.0040 0.0156 3.5100 1.6443 0.0124 3.2764 0.0156 0.0156 0.0 0.041 120 1200 0.0040 0.0156 3.5256 1.6567 0.0124 3.2920 0.0156 0.0156 0.0 0.041 121 1210 0.0040 0.0156 3.5412 1.6691 0.0124 3.3075 0.0156 0.0156 0.0 0.041 122 1220 0.0040 0.0156 3.5568 1.6815 0.0124 3.3231 0.0156 0.0156 0.0 0.041 123 1230 0.0040 0.0156 3.5724 1.6940 0.0125 3.3387 0.0156 0.0156 0.0 0.041 124 1240 0.0040 0.0156 3.5880 1.7065 0.0125 3.3542 0.0156 0.0156 0.0 0.041 125 1250 0.0040 0.0156 3.6036 1.7190 0.0125 3.3698 0.0156 0.0156 0.0 0.041 126 1260 0.0040 0.0156 3.6192 1.7315 0.0125 3.3853 0.0156 0.0156 0.0 0.041 127 1270 0.0040 0.0156 3.6348 1.7440 0.0125 3.4009 0.0156 0.0156 0.0 0.041 128 1280 0.0040 0.0156 3.6504 1.7565 0.0125 3.4164 0.0156 0.0156 0.0 0.041 129 1290 0.0040 0.0156 3.6660 1.7691 0.0126 3.4320 0.0156 0.0156 0.0 0.041 130 1300 0.0040 0.0156 3.6816 1.7816 0.0126 3.4475 0.0156 0.0156 0.0 0.041 131 1310 0.0040 0.0156 3.6972 1.7942 0.0126 3.4631 0.0156 0.0156 0.0 0.041 132 1320 0.0040 0.0156 3.7128 1.8068 0.0126 3.4786 0.0156 0.0156 0.0 0.041 133 1330 0.0040 0.0156 3.7284 1.8195 0.0126 3.4942 0.0156 0.0156 0.0 0.041 134 1340 0.0040 0.0156 3.7440 1.8321 0.0126 3.5098 0.0156 0.0156 0.0 0.041 Pervious Area Impervious Area (�) (2) (3) (4) (5) (6) (7) (8) (9) (��) (11) (12) Time Time Rainfall Incre- Accumu- Accumu- Incre- Accumu- Incre- Total Instant design Increment distri- mental lated lated mental lated mental Runoff hydro- hydro- bution Rainfall Rainfall Runoff Runoff Runoff Runoff graph graph min. in. in. in. in. in. in. in. cfs cfs 135 1350 0.0040 0.0156 3.7596 1.8447 0.0127 3.5253 0.0156 0.0156 0.0 0.041 136 1360 0.0040 0.0156 3.7752 1.8574 0.0127 3.5409 0.0156 0.0156 0.0 0.041 137 1370 0.0040 0.0156 3.7908 1.8701 0.0127 3.5564 0.0156 0.0156 0.0 0.041 138 1380 0.0040 0.0156 3.8064 1.8828 0.0127 3.5720 0.0156 0.0156 0.0 0.041 139 1390 0.0040 0.0156 3.8220 1.8955 0.0127 3.5876 0.0156 0.0156 0.0 0.041 140 1400 0.0040 0.0156 3.8376 1.9082 0.0127 3.6031 0.0156 0.0156 0.0 0.041 141 1410 0.0040 0.0156 3.8532 1.9210 0.0127 3.6187 0.0156 0.0156 0.0 0.041 142 1420 0.0040 0.0156 3.8688 1.9338 0.0128 3.6342 0.0156 0.0156 0.0 0.041 143 1430 0.0040 0.0156 3.8844 1.9465 0.0128 3.6498 0.0156 0.0156 0.0 0.041 144 1440 0.0040 0.0156 3.9000 1.9593 0.0128 3.6654 O.D156 0.0156 0.0 0.041 Total Volume of Runoff= 5841.874 cu.ft. (Found by summing this column and muitiplying by 600. 600 is the conversion required to convert SUM(Q)in cfs to total volume in cubic feet as foliows: V=SUM(Q)x dt (cu.ft.)_(cu.ft/s)x(10 min.)x(60 s/min.) DATA BLOCK ONE -CARTRIDGE STEEL CATCH BASIN STORMFILTER STRUCTURE CALLOUT ID WATER QUALITY FLOW (CFS) CONVEYANCE FLOW (CFS) RETURN PERIOD OF PEAK FLOW MEDIA TYPE RIM ELEVATION (CHECK: RIN — IE—OUT = 2.3') I.E. DIAMETER INLET STUB OUTLET STUB CIRCLE CONFIGURATION: OUTLET OUTLET 0 0 INLET INLET OPTIONS (AVAILABLE AT EXTRA COS�: � OUTLET STUB - OTHER THAN 8" DIAMETER � INLET STUB ❑ OTHER: ST�RMWi4TER x MANAGEMENT IIYC. 12021-8 N.E. A/RPORT WAY• PORTLAND. OR 97220 (503) 240-3393 � FAX: (503) 240-9553 9+�r "' °M' -�O'"— °mf0"` CATCH BASIN 570RNFJLTER � �` ��~— �� ONE-CARTRIDGE STEEI UNIT . :n ..r .o,... Z DATA BLOCK �w � r�acer Na. aurNC FtE rwic: r A�A��r�r �11 0. xrs s000 —�—s� 0 RONFORCINC BMtS NiM GENERAL NOTES: = MININUM 6� OVERLAP RADVL fIOW 9' 011RfT ~ FOR PERLIEfFR SLAB CAR'TRpCE PPE SN8(SiD) 1•) SiORMFlLTEft BY SfORA1WAlER MANACEMfHT INC., PORTLANO, OREGON (B40/548-4687). K ` (BY OOMRACiOR) 0 2J CATCH BASIN MUST BE SET LEVEL � � 3•) EKfER1UL HPING AND COUPLINCS TD Bf PRQVIDm 9Y OMERS. r 4.) FLD(IBLE COUPLINC 10 BE USED AT INLEi �c OUILET. FERN00 OR ETlCINEER MPftOVm. � . o � 5.) PEPoMEffR SLAB i0 BE PROVIOEO BY CANfifAC70R �i • d • a ' •� B.) SiORMFlLTER REOUIRES PECUUR ANIHfENANCE RffER TO OPfRAT10N AND AWNiENANCE � �P A MANVAL FOR OETNLS. � A . 7.) G1TCH &1SIN SiORMFILTER 5THUCfURAI SPECIFICAIIONS: 4 • 10�D RATIN� �0.000 �8. CONSTRUCTION: 1/1"STEEl PUIE COATING: CORROSICN RESISTAHf, �LL SURFACES a uNrt we�cMr: eso �e. u��er cnnie DUCTLE IRON PER14EiER SU1� REOVIRED . a . a , . ucnra� �rw� . .d ..� INIET RPE � I so�o uo iH�r cw�� B SNB (OP1qNAL) t q �� o� ��, CAiCM BASIN SiOR1AFILiER - PLAN VIEW � a Ww� � � � "+C N p 2 �Q ��°x o� a vuH i 3.000 PSM CONCREff �� u Z i (BY COHIRACTOR} NBDE �M Nt�E NY 70 N90C OF�N-+ 4 �S I I— Y-P —I— 7'-�• I . � r-s• I 1-/4 fifrf'ORGNG BNtS — � (B1'CodiRAC10t� �R � � r • � � � � �,• ar�wnm IMIFf 2'-]7 P N I (7.] � �+2 � � SP1N Y-Y� � BIi�IE a —� 8'OUiIET PPf SfUB (SiD) VAPoCS O��EftfLOW MF.IR Wl111 nrw 2� FiftA CwwBE7l NIEI/WIlf7 Rw��m CLEAHOIt� �yy�p+ �'0• S ac�wour oaouNC arn� �� r-�• �—a�-: i/r—� IN OVEAFLDW WOR II t CAiCM BASIN Si�R1AFILTCR - SECTION VIEW A-A CATCM BASIN STORMfILTER - SECiION VIEW - �� 1 ' �I� rs. eeosYr��aen� E E ea'` v.s.s.reen ho. aae,csn. a !(o. 6,?04,6i7, Na �,ORfA6i, ero. e,w�.sa�, ae�n�ua. .�m soasmx r.rn.n rettonw � $ � STEEL CATCH BASIN STORMFILTER SPECIFICATIONS PAR7 1 OENEA4L 22 S�FEL GTpa B�ISIN CqAPDNENTS 1.1 SECIICN N0.VDE3 �. sLei Cote� 6a�r�: Cotcn ea�t� �na� w on vrme ■ur mnwzcvon, loCrieCUtl irarn 1/4-'nclf�tMt coot�0 irri0� arW oYt w�V� eq1101Ge ooinL Catch Bdn S1ormFllbr Ond /04E iM 2D,D00 10 1o00inp. 1,2 RElATFD SECTIDNS 9. Catdi Bo�fn Grots G�ot�nq d�oll ba duotlle fron oon�troolfon o�d rd�d Ior Q0.000 Ib Imding. S�Ction [ �% C. COICh Ba�in Sditl lid: SeliO IiE Mall W tli0rnontl-plaU COnWUCtion 1> SU9.IR7ALS vdh 2-indi onpl� ��port, oll �idae cooled wdh owholtic ooi�l, ond rol�d lor 20,D00 Ib loodfrp. l� Stcmm+oler Marogemrnt tn w6rnl! shop do•Irg b eonlroetor 1or oDirowl. 23 00111R�Ci0R-PRphDED OOMPONENI5 & Stormwotr Monopem�� lo wbrn@ Dpsrotion and Aloinkarwnca Monwl to A. ��1�: 5�011 D� 3000 p�i, 20 tlay �tnnQtA, J/4-iOCh IoUntl rod� tmtroctor k nquestad. 4-inch dump rnmirrum, pbced w�lhin 9D TRYIm Of initiol rnidrq, or o� DUMIMI{� �p�cXf�d In lA� q�nsrol t�cfi�iwl �p�dllcvtlon�. PART 4 Pip0UC15 B. fkbor. Shol rnad ASTbI A-615M Grode l20 (60 bl�or m alherwbe L1 IMEi3JI1 CAAPONfNTS �p�eM�e In In� g�rrrvi ucnnteai ap�dr�e�fan�. A NI l�l�mol cwnpwrnl� Indudinq PJC plpli0, fllt�r cortridye(�) v�[ /IM�r C. Su0-Bo��c Sroll 0� 6-inCh nfinirnvn oi 3/4-int� mieW �odc 0� 0� nrdla (ot �p�oN'rd In the Starm1111� dolo blook) •Adl b� pro�id�d py o1Mni�� p�ciTi�d in Ih� p�rNral l�d+niool y�o7ication�. Stonn«oter Mo�oqew�ent Ine� 20iG NE Oolumbb Dl+d� Pbrtbnd, OR )7211 (s00/yb-a667). D. 000Ml�l: Shdl br S/4-{roh m{ru� roak or e� etMrwi�s �psalflsd �� Uy genvol lechnbol �poeMfmibra 8. P1/C Poinp: NI i��rtnl NC oioirq v+a IMiny■ �holl rn��t AS1M D17B5. �NIT J EXECMION C.Flk�r Cortrfdgr. 3.� STEEL UTOi 949N 1.CoMtl9• OOttom pOn. 1'�11�r rfng. ond no00 Y1o11 0� CoI1vD'uel�tl 11'om irna low-a�n�ty pay�tnN�rr. Carv�ap� �pMn �Iqll CoMlt oi pol►anSW A. Colc/� b�tn Aoor �hall b� ■�t I�.d ond p4n+E. 1' � 1/2� .�Id�d win fobr'c (16 paup■ rninirnum) rdh o baded NC coollnp. Int�mol porla �holl cm�lst al P�C or I1BS oipe ord flNinqc. 8. ConbOCtW �fwll prwant s�e�rnertt ana aeerie trom �ntarinp U� tlt�� Srphon-piimhy floa! d�ell be aartruol�d 1rom h+�a lor-dan�ky u�it d�rinq cond�udion. pdyetlyla+e. O�Aer f11a fob�ie sholl be 10 x Bb elcor Aberglou mnh. C. Contioebr ahdl mm oet s�b-boae b 95X of moalmum denalt or m nnn mt�r eoorY �nol w t0 R !�eMOr r�o�rgro� m� ar�r Entornat V 1 721D or Mown ooy�4r��n� wII� e U6 StarWVE S� N20 op�ninp �S�•NI ov,�m�� p�cnr�a DY Y1gI11Mf, �IlfY110Dr mo��rto o.n. r,e-qram �nai R1BGIb1MOLA lCf�Y1, 11Y4, ana taeunen �nou e� olurninum or �[OiRIl�! 0� Ip100�E CB tlil�Cl�O Dy •IIqi1�M. �ii1• D. N rncsory. <h� Inls! chvrh�r mq b� All�d .Nh cl�an rals 10 o��l�t 2 M oriRce plott rioll be s,Jpplbd rkh meh cortridqe to mlrlct }lor In pNwnling flototbn durtrg oon�truoNon u�ll 1M dr�oly� L bodAlU�d rot� to �� gpm rn�►+vrn. and Uie ronerste mlor L poured 0. FiUar Msdio: Fiis medio �holl be by Storrnrakv AbnoO�*+e�� VOCtOf �IIOII COInDOCt DOtkfil t0 OSR Of ntO7iTUm O��oty 0� a� opyro.ed otlenaka. Fltar msdle d,oll contkt of one or mo.e d th� o1Mr.i�� peuTi�d by rqins�r. Idlowlhg, ot ■psoHt�d In Ihe Stmrrilly dota bbdc � Cukh bo�ln wlkt �hsll b� oonnsot�d ta down�trsam (md up�tisom, M 1. PihR� MiOf¢ PY171[a f1iW10 uwu w rnaa� ot nawroi �IIkIW� vDIC011k aPpllm6le�plpinq ua�rg o /Ie�INrlype eouplinq' �oCk fIM 01 OnY O�Eri� d foNq� rtqtt�f. TT� �manO�O Wr'IU �R011 �O� a b�14 dsu@y rono�o fran ES to 8.5 Ih/R3 and oor5de dsae ronpieD G• CancrN� p�rim�Ur •IaD sndl W cor»truetW 1 fool wi0� ano 6 indiu from OA6 to 0.50 Inchn. NiCk. SIaE �no11 nclua� two A4 r�oar noap� wifi mnGmurn 6-tneh w�n� ot do�ura Nbv 2-ind� vertiwl apacinp b�lrsan Aoape ond mnimu�n 2 CSF Lea! Nedfo: CS� Lmf mrdio a►�oll he mode aelus•eVj d folkn I-ind� cl�aronca fiom concretn �ur4ocas. OxlOuous Iwws wt7� N�� fian �7i DY O'Y �G�t Ot woo0y or qrsan yortJ A�Drh mat�r�d� I�INr mM�o M+oll M pranulor ontl ��al oontai+ h�� t�a� 33 �1lTFF GRTRIOCE 0.51� Foraipn rnateiql •ud+ oe dou ar do�tk contominont�. M�do �Adl b� dry et Ihe tlms d tratalloUon. CoIM Ba�in StormFlt�r Holl E� Drorid�0 comDMt� wtn COrViOq�(f) an0 cor6idpa m�dio irotolbd. Tlv GSf L�ol m�dia d+sll how o 6ulk d�n�ky ro�gng /ron �D b fi0 o/rt] one poNa�tl:r ranqing rrom O�3 m n00 n+�n� uaamum w�� 33 f1LlWllP o! an tor flur rn�o�a �nau e� arn�tl or rn�aa po��np �rouqn a u5 Slondord 9iw� /4 •hdl IoN no mon thon 1Dx (by mou of dry mdq) A. T�� plOj�tt lit� tfqll W CIW� Ond 1rN ef 6rt OtE MDIif W101� NnOTt y�rp o lS Stordvd S�ve �45. i� o11ew�E to K�t�f t�� lilt�r. 5iU w010. ��oll b1 in a cOflIDMt1 <OlWlioR O� spprw�d by 16� e�pn�r. T)r projsi rl� Gnclids ony wrloc� tAot S Zeo1Ne Nedlo: Zml11e medlo aholl 6e�node of no4/mlYy aowlsing aonlrlOutM eforwi drolnop� to tAe m4m. clfnoplllolM, wMYn r�o� o q�dogtco� �truetr�� of pot��m-edcLn-�oafurn OIUTi�owlitM. Y.7Me Iriet/ouUeR ehern6er ord flker cAvrbe'{a) aMdl 6e bae d COnANCtiOn O�Cli� a/d ��11'Mlll WTOf� t111 ty�l�T i� �IOG� i/l OpKOli0l1. Tha z�dd� wudo shol ho�t o bulk dsn�dy�onpinp hvm 44 ta 50 Ib/H3, pvifde�taw mnq}�p fmm 0.125 10 0�5 fndiu. ond o calfon ndionp� C. Lmt�octor �hdl r�mwa th� 4-i�ch binoQaO cwalr�dion elup(�) oapeolly rsn9ing liorn 1A to 2.2 msq/9• b�iwaan tA� in4t chombr ond fik�r chornbsr(�) Ia pbw 1M �yslwn in op�rotlon. 4. 1lO�-MYtW MY010: IIOII-fftlY��O f11i010 ifWll o� rnaoo 1rom pM11qfC ��81 rni:�0 ri4� ion paKicl« a,a oarm.r:w u form op�n qlUb� foom. D.�a� a-rncn eumeut pwq l� tn� a+�rnow r�lr ro� r�ou �TOin h poe� Tha �6nck motrior mu�t he (ns of d�brs v:th Ih� irvn pQfidae b�inp �Oi' G�oW� eW�11GOn Oi IM ty�l�M. no+-noctLs oed eorQ�o��d. ih� Lo�-irA��d n+�d�n�+oll 6ow e dIY d�nMy roijng lrorn 20 10 30 END OF SECTION e/IJ one poNdr tl:�e ronqng /rom oD se o3 lnclv�. 5, Plealed �abric Y��rt: PI�uM lobic :��rf �holl b� cvn�trucl�d •dh o mhlmum vf 75 aq-k af lolric pkwd b�t.�m 4.0 olurntnurn v+d cop� .MM evop�n� gorub. TM anrol d4+rn�lom o!tha L,wrt ahdl be 18�' OD. x 115' I�. ■ Id?5' bl. The /abrY ahdl rneet !he folbw�ing �pecNlmtiorr 1tD 'hob mmturfng 4.�9b' x 18?b'; 100X �0 PC/PET EleomDOrnM rtWr.tMUU»n o� 19 rnllr: Muum Bu�ti Ot 96 Pq: Ontl CoURM PO�oen�tw 0f 70 ihKrOn. �� '"°Oi °'�'" °`°`°'n CATCH BASIN S70RMF7LTER �, �..�w�.� .r.�s.0 �� /� e.n .c..� ONE—CARTRIDGE STEEL UN/T K j SPECJf1CATlONS S�w crxe rw,[cK wo. uur.c�Hwc r I s��r�r�r �M o. 1rs iom tasr�_� il '__WCN31S1S,anqNa_..� . � ` � �.,. � �� _ �� `�C� � C3l�� G� ��OP� G� � O�� P r, -----_ - - --- , ,_____----------_._---------------- -----_--_____-----------__-----;; --____ ---- ,, —OJ•lE� �aE 51U8 �"j� � kA()IU�L07%_ B �l �1 CARTPpC( '� } i �—� -- r._..___.. � L� ..__.__. i ,__�� /1 • � � , . . .. i ._._ i . .._t � � i J..__ _.-1. _.._._..._._....! i _— �. >l '„ i � `� � Y�\ I J �;1 ' r-. i qti�?+k ' ', : , +-� ' - _ '� .. _...... % 'f � � �. . �.�r. . . ,— ; i i }' j . '15''��:;tlEAwING U�-� INIE' f./!A'C�-!,� B•...I !Y:(�NIPE �STii: �OI+7mHai) ' S1EE� CA��HBASIV S1urmFinw PLaN �9E'H r� � ' ... ..._._......._......___...--�-- r . xr:c �... � i ! �.:vc�M _'_�.+sc[ I--io n t�_a.v eu..�.i f �_ . ,.��—; I : i __ ._ .�--r� �_r,:a.r `"�"-__ _1 i i ��_ �"�- -----�-'P ( Y;;;; i� •� _ �:��.� � w'�. -- � , ,> ,, ,_F -�c� { .._ j i„� 1 ; ; �-- ,J,', �---, ��5 �� ' '� a ~�--�- ,. 'Lj� „' �_a.-�rr :a srua � ,-� �� I I `� `� n.Hil Wl.NI..'J'A .• � we�R w'in ranx .:�ie.ew��xa= ..:n.o�,ar n..�eta ^�E�uaout cw�wce—•. I � c.c�e.r nac�.o j a�,c- +. �' ._r.�ariar+�et+ I � z-r-- s' :vr I.._._ _._..._... _.._..._ _ ..1.. � STEEL CA-CHBASIN 5lormfllt�r - SECTION ViEw .A-A STEE� CA'CHBASih StormFi.»r SEC'ION v:EW 6-9` ...._.. .._.._� _.._.-:5 __._...._ .._.. .__..__......---- � k�.__: �[. _...._ ._._ ._..._ . i .�� i i � U.S.PATENT No. 5,322,629, 5,624,576,AND OTHER 11.5.AND FOREIGN PATENTS�ENDING �i �� The Stormwater Manaqement StormFilter0 is now available in a steel, concrete or plastic catch basin configuration. The CatchBasin �i! StormFilter system, an extension of the widely accepted StormFilter Best Management Practice, has been enqineered to replace the � standard catch basin. In the CatchBasin StormFflter, polluted runoff enters the system through a traffic-bearing qrate. In the inlet �' I chamber primary settling of the runoff occurs, and the heavier solids drop to a sump on the vault floor.The water is directed under a �' baffle into the filter chamber where the StormFilter cartridge is housed. During filtration, finer solids and solubie pollutants are �, �I removed. Clean water is discharged from the filter and directed around the overflow bypass weir to the outlet pipe. During heavy ! storms,when the flow exceeds the desiqn flow,water in the inlet chamber spills over the bypass weir, preventinq the re-suspension of ! "` sediments and pollutants trapped in the cartridge chamber. ij �� SYSTEM FEATURES AND BENEFITS GENERAL SPECIFICATIONS •Proven StormFilter technology targets site-specific pollutants •StormFilter capacity—5-15 gpm/cartridge(up to 4 cartridges) •Low cost,heavy gauge,all steel construction •Peak hydraulic capacity—1.0 cfs or 3.0 cfs t •Internal bypass minimizes re•suspension of trapped pollutants •Hydraulic drop(Rim to Invert)—2.3'to 3.3' C� •Simple,low cost installation •Duttet pipe diameter—6"to 12" I � •Easy maintenance supported by Stormwater Manaqement • Load bearinq capacity—H-20 rated `i •Operation and Maintenance Guidelines available from •Optional corrosion-resistant powder coating i �� 5tormwater Manaqement Inc. i� •Also available in concrete and plastic i ; ; � I l I� 12021-8 NE Alrport Way, Portland, OR 97220 �( Q800.548.4667 Q800.561.12T1 �'jstormwaterinc.com ll _._....._......__... i ��XtlASIN S�lmfiilet � ...:.:�.�.. . � .�M ,.. . �._ __... _.._ .�.._....,,,�.�._ I ^'�� h� � ti'�i � � � [� L�f�� P� G� � � �@P , T- � �, ;---- -,, ;-� � �.�\ __, ,�---�� - �- l - , � � ,�� ; �, � �r'�� `� �' �_-� � ' � ;" �--�,-� � �--, � � � � 1 � ; ;°' � '` �'�,, � i ( f `—' \\ . '� � r. � �--- � ;—� �1 % ._. 1 `''~�-_� j ( I � i , i ; �-.� f � `�. ',�� 1 � � ,i r _ ^�� , , , , , ; , , , , . . , ; � � � , , .. . , � ; , . , ; �; : � ; ,— ; ; ; . . � �� ,� , . . _ � �._, .�, _ .�: `� ____ �. �__Y__ ._ � .___ __. I � ._.___ �_.� - - _._.�. __..____� .._ _ __ � � � � � � i F ! � � � CONCRETE COLLAR � � � i j i i / � ' ' � — FILTER CHAMBER COVER i � i � ,,_; �� ; � � � ,,� , : � � ��'"" '��' � � ' ( ��r r , .� ; � 4�1�.,4 4 4 i.1�t t= � i ` GRATE&FRAME ^� �,{�� `,'�" � � � ..� � i t � . 1� �� Y�4A � � `, °�. , � ��,�:� .."y.e:� ' � R Q k � ��'', 4 S�y y � �� "'b- ` I � / s�'*�-' �" ?�� i � �:.,�l� r 5��e,,�• a i . . x i v�� _.�, .I '. �. ' +� �•� � ,/.��{, S � � �� . f � , "�t€:;� � � ` ! ; '' �'''�ka .: ` ` � ' ,..._�"�"°� �! ��,r,: �: �- ( j , ? ' � �,,.i � r��; FILTER CHAMBER INLET � � � � �a � -�-�- �� -� ( i ; . �., ,f � � i t : SLOPED DIVERTER PLATE._-�� .�� ' � � "� �".�� CARTRIDGE SUPPORT � � ' a �'"�v> y .A °+� �, '' <� �� BEAMS 2) � ' � OVERFLOW SYEIR CREST --� � ` � 4 ��° �'' � ` ,,��t I � ,, , � ��„�'"� ' �'i� StormFilter CARTRIDGE � i ; , s,.: �"�� ` `" � � � � °� �', ` , ,�`�'� , + A ;,,�� *� . ' SCUM BAFFLE— �� *-;� ` �� ._ DEBRIS SUMP �� i . r\,� , .. \ � � zs; �� ,� �':�,. ��_— FILTER CHAMBER OUTLET ! f y`_r� �,�s_= µ'�R.. ° �""-�E3. ' DEBRIS SUMP � �'`� � I ��. 1 � �` .�,�, � � �` i ` ` ,��„� � �_ OUTLET PIPE I � �'��?,�" ! � � CLEANOUT OPENING IN WEIR WITH —� � � HOLE& EXPANSION PLUG i ` t i ! � ' , ' r i � E i i � i I I i ! i � i � Also available in concrete and plastic. ; I f � i ! ( ; jl ii � � ' STORMWATER I ( � MANAGEMEN7 lNC . I f � { + � ( 12021-B NE Airport Way, Portland, OR 97220 �I �800.548.4667 �1800.561.1271 �jstormwaterinc.com I � i ' � � . � 1 j I � j I I � �j I . I S. � I � � .. 1 � :�. 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L.k, [ r:�tir }n .,l 111I 11 � ��i.� .4�" , V � ..,.'S; ' ' ' '�i y �+\.,,......r - :��".�� i�� ::,t` � , ,-�' 11i" � , �'�'�I�f � I�;�ii;�� C ' ��i�� m ' � �i�i�i� � �i��i�� +'.�5� �� i 6 ,';';';� '�'�'� I � � � z I � � � Z � I e I - I � or�► o►�or ■�� €y Templeton Elementary School ..<.,�..,.,� _ ^ --� � � � � ��n -Additions & Remodel 2004 '- � � � � � FgR�� Ti ard -Tualatin School District s � � D �� O g � � � � # �� Addreeo:seso sw sa�,at�,g s�. rpa►d,oregoo erizi�boci6 � r� 4 WIOfIB:503.431.4000 r uarm��«t r�a�n�w ...�...`. r � PRE-APPLICATI�N ' � � � CONFERENCE REQUEST CITY OF TIGARD 13125 SW Hal1 Blvd., Tigard, OR 97223(503) 639-4171 FAX: (503) 684-7297 GENERAL INFORMATION FOR STAFF USE ONLY Applicant: ��V'�� 'Tv��-a�� ►��OL �IST1e1GT Address: 6�6 D � SAct-�IO VS�14S. Phone: �3� -�}0DD Case No.: }�R k �oo`�- ��o�S City: Tj(�p.K� Zip: q Z 223 Receipt No.: o�O b3 — � 8 /`� Contact Person: �£�� D�4�1�1 Phone: ZZL-b`1$0 Application Accepted By: � • �� Date: 7 -/ - v 3 r,h�� o�s u�� w ti� �ctt�T� Property Owner/Deed Holder(s): SA�� A�'�T, DATE OF PRE-APP.: rT -�O " v3 TIME OF PRE-APP.: 9 � Oo Address: Phone: PRE-APP. HELD WITH: Clty: ZiP: Rev.7l112002 i:lcurpinlmasterslrevisedlPre-AppRequest.doc Property Address/Location(s): TF,f(�'�0��3 �'•�'�N'1�'� �C�COL `'15Db sLJ MVI�.pOG� ST. REQUIRED SUBMITTAL ELEMENTS -C-�v�� (Note: applications will not be accepted I without the required submittal elements} Tax Map&Tax Lot#(s): Z -r'j� 1�� /�.G Zoning: �'" �•5 ❑ Pre-Application Conf. Request Form Site Size: N9T �►�U � `�K+�E�( �tq NOT (,oV�2 f,►�'tirtL SC(�, 2 COPIES EACH OF THE FOLLOWING: ❑ Brief Description of the Proposal and PRE-APPLICATION CONFERENCE INFORMATION any site-specific questions/issues that you would like to have staff research prior to the meeting. All of the information identified on this form are required to be submitted by the applicant and received by the Planning Division a ❑ Site Plan. The site plan must show the minimum of one (1) week prior to officially scheduling a proposed lots and/or building layouts pre-application conference date/time to allow staff ample time to drawn to scale. Also, show the location prepare for the meeting. of the subject property in relation to the nearest streets; and the locations of A pre-application conference can usually be scheduled within 1-2 driveways on the subject property and weeks of the Planning Division's receipt of the request for either across the street. Tuesday or Thursday mornings. Pre-application conferences are ❑ The Proposed Uses. one (1) hour long and are typically held between the hours of 9:00-11:00 AM. ❑ Topographic Information. Include Contour Lines if Possible. PRE-APPLICATION CONFERENCES MUST BE SCHEDULED IN ❑ If the Pre-Application Conference is for a PERSON AT THE COMMUNITY DEVELOPMENT COUNTER FROM MONOPOLE project, the applicant must 8:00-4:00/MONDAY-FRIDAY. attach a copy of the letter and proof in the form of an affidavit of mailing, that IF MORE THAN 4 PEOPLE ARE EXPECTED TO ATTEND THE the collocation protocol was completed PRE-APPLICATION CONFERENCE IN YOUR GROUP, PLEASE (see Section 18.798.080 of the Tigard INFORM THE CITY IN ADVANCE SO THAT ALTERNATE ROOM Community Development Code}. ARRANGEMENTS CAN BE MADE TO ACCOMMODATE THE GROUP. ❑ Filing Fee�8A:00 � 00 D U L L O L S O N W E E �' S ��CHfTECTURE + INTER�ORS + p�ANNING �� nr•r,hztects pc DATE: June 30, 2003 TO: Brad Kilby,Associate Planner City of Tigard FROM: Keith Johnson COPY: Nick HarYis Cornerstone PROJECT: Templeton Elementary School Addition and Remodel RE: Pre-Application Confexence This memo is to provide an overview of the scope of this project and to list design-related issues we know of at the present time which we would like to have city staff research in advance of the conference. Project Overview This project is one of a number of addirion and remodel projects which are funded through a bond approved by Yesidents in the Tigard-Tualatin School District. It includes the following components: • Construction of educational spaces (classrooms, computer lab,music room, and expansion of the e�sting media center) as an addirion to one of the e�sting buildings which currently contains the school offices, media center, gym, and cafeteria. The addirion is proposed to be approxirriately 8,500 square feet in area. • The new addition will be separated from the e�sting gym and cafeteria by a two-hour aYea sepaxation wall. Portions of this wall exist as poured concrete walls at the gym and cafeteria; the remainder will be new construction. In order to meet allowable building axea per code, a new sprinkler system will be designed for the addition,media center, and office area. • Minor remodeling of the school office area where it is impacted by the new addirion. • Minor remodeling at the e�sting school kitchen to install new refrigerarion/cold storage equipment. No significant remodel work in the kitchen is planned. • Associated mechanical, electrical,and plumbing woYk to support the project. j � • Site work improvements include construction of a new parking area in the area of an e�sting landscaped area and restriping work in the existing parking lot. The e�sting ingress/egress point fox vehicular traffic will not be changed. Other sitework includes construction of stairs, a ramp, and new sidewalks at the building addition. • Note that there are no additions planned for the e�sring classroom buildings. Specific Issues for City of Tigard Staff to Research • We would like to discuss stormwater management requirements. • Given the descriprion of the work and the drawings submitted, are there any obvious fiYe/life safety issues we should be aware of? We would like to briefly discuss the proposed addition relarive to the other builclings in terms of setbacks, assumed property lines, etc. Fire department access to the e�sting school is limited -will this project raise concerns? • Are there any planning/zoning issues given the scope of this project? No change of use is being proposed by this application. 319 SW WASHINGTON 5T, rt200 � PORTLAND, pR 97204 M E M O R A N D U M t: 503 226 6950 j: 503 273 9192 mu�m.dnu;n.com :'��k\cr,�..t>�..;..,.;..' 'fr-rr�K•IeL� -..� �:.:; '. ...;ec:r-i'..�v...u P c.�...g+.i. ie:.:i.^pr 2.:��,�.:,:v.,.€ ..;.�..i`s�..Ac-p 5,.^^m.�rv�.c PRE-APPLICATION CONFERENCE NOTES ➢ ENGINEERING SECTION Q ��'�°nng'�°�'° s��c�c�m�y PUBLIC FACILITIES Tex Mep[Sl: 2snt�c Tax Lot(sl: 2901 Use lylpe: INSTITUTIONAL The extent of necessary public improvements and dedications which shall be required of the applica will be recommended by City staff and subject to approval by the appropriate authority. There will no final recommendation to the decision making authority on behalf of the City staff until all concern commenting agencies, City staff and the public have had an opportunity to review and comment the application. The following comments are a projection of public improvement related requiremen that may be required as a condition of development approval for your proposed project. Right-of-way dedication: The City of Tigard requires that land area be dedicated to the public: (1.) To increase abutting public rights-of-way to the ultimate functional street classification right-of-way width as specified by the Community Development Code; or (2.) For the creation of new streets. Approval of a development application for this site will require right-of-way dedication for: ❑ SW to feet ❑ SW to feet ❑ SW to feet ❑ SW to feet Street improvements: � street improvements will be necessary along SW Murdock, to include: ❑ feet of pavement ❑ concrete curb ❑ storm sewers and other underground utilities ❑ -foot concrete sidewalk ❑ street trees ❑ street signs, traffic control devices, streetlights and a two-year streetlight fee. CITY OF TIGARD Pre-AppllcatlAn C�merence Notes Page 1 E�91e��Hp!��a�rtnuat S�etloe . • � Other: A new � �wav approach will be required to et Citv of Tiqard Standards. T ' � applicant may use �etail 141 �Standard Drivewav) or vetail 162 (Alternate Commerc , Drivewa . ❑ street improvements will be necessary along SW , to include: ❑ feet of pavement ❑ concrete curb ❑ storm sewers and other underground utilities ❑ -foot concrete sidewalk ❑ street trees ❑ street signs, traffic control devices, streetlights and a two-year streetlight fee. ❑ Other: ❑ street improvements will be necessary along SW , to include: ❑ feet of pavement ❑ concrete curb ❑ storm sewers and other underground utilities ❑ -foot concrete sidewalk ❑ street trees ❑ street signs, traffic control devices, streetlights and a two-year streetlight fee. ❑ Other: ❑ street improvements will be necessary along SW , to include: ❑ feet of pavement ❑ concrete curb ❑ storm sewers and other underground utilities ❑ -foot concrete sidewalk ❑ street trees ❑ street signs, traffic control devices, streetlights and a two-year streetlight fee. ❑ Other: ❑ street improvements will be necessary along SW , to include: ❑ feet of pavement ❑ concrete curb ❑ storm sewers and other underground utilities ❑ -foot concrete sidewalk CITY Of TIGARD Pre-ApplicetlOn C��renc0 N�tes Page 2 E�lle��d�!�n�rt�nt Seetln . - ❑ street trees � ❑ street signs, traffic control devices, streetlights and a finro-year streetlight fee. ❑ Other: Agreement for Future Street Improvements: In some cases, where street improvements or other necessary public improvements are not curren practical, the improvements may be deferred. In such cases, a condition of development approv may be specified which requires the property owner(s) to provide a future improvement guarante The City Engineer will determine the form of this guarantee. The following street improvements m be eligible for such a future improvement guarantee: (1.) �2•) Overhead Utilitv Lines: ❑ Section 18.810.120 of the Tigard Municipal Code (TMC) requires all overhead utility lin adjacent to a development to be placed underground or, at the election of the developer, fee in-lieu of undergrounding can be paid. This requirement is valid even if the utility lin are on the opposite side of the street from the site. If the fee in-lieu is proposed, it is equal $ 27.50 per lineal foot of street frontage that contains the overhead lines. There are existing overhead utility lines which run adjacent to this site along SW Prior to , the applicant shall either place these utilities underground, or pay the fee lieu described above. SanitaN Sewers: The nearest sanitary sewer line to this property is a(n) 8 inch line which is located along the no propertv line. The proposed development must be connected to a public sanitary sewer. It is t developer's responsibility to connect to the public sewer Water Supply: The City of Tigard (Phone:(503) 639-4171) provides public water service in the area of this site. Th service provider should be contacted for information regarding water supply for your propos development. Fire Protection: Tualatin Valley Fire and Rescue District (South Division) [Contact: Eric McMullen, (503) 612-701 provides fire protection services within the City of Tigard. The District should be contacted information regarding the adequacy of circulation systems, the need for fire hydrants, or oth questions related to fire protection. Storm Sewer Improvements: CITY OF TI6ARD Pre-Applicadon Conference Notes Page 3 Englneering Uepar[meotSectlon , -All proposed development 'iin the City shall be designed suc' at storm water runoff is convey • to an approved public drair�dge system. The applicant will be r�yuired to submit a proposed sto drainage plan for the site, and may be required to prepare a sub-basin drainage analysis to ensu that the proposed system will accommodate runoff from upstream properties when fully developed. There is a storm sewer stub to this property on fhe east side. Detention will be required for ne impervious area exceeding 5000 sf. Storm Water Qualitv: The City has agreed to enforce Surface Water Management (SWM) regulations established by t Unified Sewerage Agency (USA) (Resolution and Order No. 00-7) which requires the construction on-site water quality facilities. The facilities shall be designed to remove 65 percent of the phosphor contained in 100 percent of the storm water runoff generated from newly created impervious surface The resolution contains a provision that would allow an applicant to pay a fee in-lieu of constructi an on-site facility provided specific criteria are met. The City will use discretion in determining wheth or not the fee in-lieu will be offered. If the fee is allowed, it will be based upon the amount of ne impervious surfaces created; for every 2,640 square feet, or portion thereof, the fee shall be $21 Preliminary sizing calculations for any proposed water quality facility shall be submitted with t development application. It is anticipated that this project will require: � Construction of an on-site water quality facility. ❑ Payment of the fee in-lieu. Other Comments: All proposed sanitary sewer and storm drainage systems shall be designed such that C maintenance vehicles will have unobstructed access to critical manholes in the systems. Maintenan access roadways may be required if existing or proposed facilities are not otherwise read accessible. TRAFFIC IMPACT FEES In 1990, Washington County adopted a county-wide Traffic Impact Fee (TIF) ordinance. The Traf Impact Fee program collects fees from new development based on the development's project impact upon the City's transportation system. The applicant shall be required to pay a fee based up the number of trips which are projected to result from the proposed development. The calculation the TIF is based on the proposed use of the land, the size of the project, and a general use based f category. The TIF shall be calculated at the time of building permit issuance. In limit circumstances, payment of the TIF inay be allowed to be deferred until the issuance of an occupan permit. Deferral of the payment until occupancy is permissible on�l r when the TIF is greater th $5,000.00. Pay the TIF. CITY OF T16ARD Pre-Applicatlon Conference Notes Page 4 Englnearlag oeaar[ment SecUon , � � PERMITS Public Facilitv Improvement (PFI Permit: Any work within a public right-of-way in the City of Tigard requires a PFI permit from the Engineeri Department. A PFI permit application is available at the Planning/Engineering counter in City Ha For more extensive work such as street widening improvements, main utility line extensions subdivision infrastructure, plans prepared by a registered professional engineer must be submitted review and approval. The Engineering Department fee structure for this permit is considered a cost recovery system. deposit is collected with the application, and the City will track its costs throughout the life of t permit, and will either refund any remaining portion of the deposit, or invoice the Permittee in cas where City costs exceeds the deposit amount. The Permittee will also be required to post performance bond, or other such suitable security. Where professional engineered plans a required, the Permittee must execute a Developer/Engineer Agreement, which will obligate the desi engineer to perform the primary inspection of the public improvement construction work. The P permit fee structure is as follows: HOTE: If an PFI Permit is required,the applicant must obtain that permit prior to release of any permits from the Building D"msion. Buildinq Division Permits: The following is a brief overview of the type of permits issued by the Building Division. For a mo detailed explanation of these permits, please contact the Development Services Counter 503-639-4171, ext. 304. Site Improvement Permit (SIT). This permit is generally issued for all new commerci industrial and multi-family projects. This permit will also be required for land partitions where grading and private utility work is required. This permit covers all on-site preparation, gradi and utility work. Home builders will also be required to obtain a SIT permit for grading work cases where the lot they are working on has slopes in excess of 20% and foundati excavation material is not to be hauled from the site. Building Permit (BUP). This permit covers only the construction of the building and is issu after, or concurrently with, the SIT permit. Master Permit (MST). This permit is issued for all single and multi-family buildings. It covers work necessary for building construction, including sub-trades (excludes grading, etc.). Th permit can not be issued in a subdivision until the public improvements are substantia complete and a mylar copy of the recorded plat has been returned by the applicant to the Ci For a land partition, the applicant must obtain an Engineering Permit, if required, and return mylar copy of the recorded plat to the City prior to issuance of this permit. Other Permits. There are other special permits, such as mechanical, electrical and plumbi that may also be required. Contact the Development Services Counter for more information. CITY Of TI6ARD Pro-Appllcatl�n C�nteroace N�es Page 5 F�e1a�eHw!��rtrat S�etln . GRADING PLAN REQUIREMENTS FOR SUBDIVISIONS All subdivision projects shall require a proposed grading plan prepared by the design engineer. T engineer will also be required to indicate which lots have natural slopes between 10% and 20%, well as lots that have natural slopes in excess of 20°/a. This information will be necessary determining if special grading inspections will be required when the lots develop. The design engine will also be required to shade all structural fill areas on the construction plans. In addition, ea homebuilder will be required to submit a specific site and floor plan for each lot. The site plan sh include topographical contours and indicate the elevations of the corners of the lot. The builder sh also indicate the proposed elevations at the four corners of the building. PREPARED BY: �y - �Y�-�--- "1• • 0 ENGINE RING DEPARTMENT STAFF DATE Phone: [5031639-4171 Fax: [5031624-0152 i:�eng�brianr�templates�preap notes-eng.dot Revised: March 21,2002 CR110F TI6ARD Pre-Applicadon CeMeronce Netes Page 6 fagleeerlo!6e��rtm��t E�etla „ r ' � CITY �F TiGARD t' �; 9 .i - PRE-APPLiCATION C4NfERENCE N�TES � �;�°;;T��,�E.�°�1�°�n� .Sjwjirng j123etcrr�brnmwiity - (Pre-Application Meeting Notes are Yalid for Siz (6) Manths) NON-RESIDENTIAL -�,�,�� - o.Q� _ _ .� 0 R! GINAL �� C � AGENT: �1',E�H �'Sa�*�so � APPLICANT:T�,.Ac�c� T„��r:�, �J Sc,�.c� 1',� . Phone: (`�c�) ".�a(, -- (��C'� —� Phnna•�_� PROPERTY LOCATION: ADDRESS/GENERAL LOfATION: ��1� �,�.5 t i ��, �-„c< a` TAX MAP(S)/LOT #(S): '�StIIHC - (��n► NECESSARY APPLICATIONS: �1�4,-,��c (Y� ',.�,�.�,�'��►,1 -�j ('��,��,�,�r.�,� JS,€� �� , .; PROPOSALDESCRIPTION: � Qn S60 �e � -�- �Ac�c��-�� n� ��, _�. � ' ��, I r �K. COMPREHENSIVE PLAN MAP DESIGNATION: _n�,� t-n�,�., L;,;;c�-�.; ZONING MAP DESIGNATION: R `-i -�; � CITIZEN INVOLVEMENT TEAM (C.I.T.)AREA: ��; ,� ZONING�ISTRICT OIMENSIONAI REQUIREMfNTS [Refer to Code Secaoa 18. s �o l MINIMUM LOT SIZE:r S�c'sq. ft. Average Min. lot width: �� ft. Max. building height: 5(� ft. Setback� Front '��ft. Side�ft. Rear�Q_ft. Corner �L'� ft. from street. MAXIMUM SITE COVERAGE: � % Minimum landscaped or natural vegetation area: — °/a. [7�NEIGNBORHOOD MEETIN6 [Referto the Neighborhood Meeting Handoutl THE APPLICANT SHALL NOTIFY ALL PROPERTY OWNERS WITHIN 500 FEET, THE MEMBERS OF ANY LAND USE SUBCOMMITTEE(S), AND THE CfTY OF TIGARD PLANNING DIVISION of their proposal. A minimum of two (2) weeks between the mailing date and the meeting date is required. Please review the Land Use Notification handout concerning site posting and the meeting notice. Meetinq is to be held prior to submittinq your application or the application will not be accepted. * NOTE: In order to also preliminarily address building code standards, a meeting with a Plans Examiner is encouraged prior to submittal of a land use application. C1TY OF TIGARO Pre-Appl'ication Conference Notes Page 1 of 8 NON-Residential App6caGonfPlanrwg Divisan Section i �d NARRATIYE [Refer to Code Chapter 18.3901 The APPLICANT SHALL SUBMIT A NARRATIVE which provides findings based on #he applicable approval standards. Failure to provide a narrative or adequately address criteria would be reason to consider an application incomplete and delay review of the proposal. The applicant should review � the code for applicable c�ite�a. [� IMPACT STUDY [Refer to Code Secnons 18.390.040 and 18.390.0501 As a part of the APPLICATION SUBMITTAL REQUIREMENTS, applicants are required to INCLUDE IMPACT STUDY with their submittal package_ The impact study shall quantify the effect of the development on public facilities and services. The study shall address, at a minimum, the transportation system, including bikeways, the drainage system, the pa�lcs system, the water system, the sewer system and the noise impacts of the development. For each public facility system and type of impact, the study shaH propose improvements necessary to meet City standards, and to minimize the impact of the development on the public at large, public facilities systems, and affected private prope�ty users. In situations where the Community Development Code requires the dedication of real property interests, the applicant shall either specifically concur with the dedication requirement, or provide evidence which supports the conclusion that the real property dedication requirement is not roughly propo�tional to the projected impacts of the development. [�ACCESS [Refer te CNapters 18J05 and 18.7651 Minimum number of accesses: i Minimum access width: 30� Minimum pavement width: •�y ' All driveways and parking areas, except for some fleet storage parking areas, must be paved. Drive-in use queuing areas: [�WALKWAY REQUIREMENTS [Refer to Code Section 18.705.0301 WALKWAYS SHALL EXTEND FROM THE GROUND FLOOR ENTRANCES OR FROM THE GROUND FLOOR LANDING OF STAIRS, ramps, or elevators of all commercial, institutional, and industrial uses, to the streets which provide the required access and egress. Walkways shall provide convenient connections between buildings in multi-building commercial, institutional, and industrial complexes. Unless impractical, walkways should be constructed between a new development and neighboring developments. ❑ SPECIAL SETBACKS [Refer to Code Chapter .7301 ➢ STREETS: feet fro the centerline of ➢ LOWER INTENSITY ZONES: feet, along the site's boundary. ➢ FLAG LOT: 10-FOOT SIDE ARD SETBACK. ❑ SPECIAL BUILOING HEIGHT PROVISIONS efer to Code Sectien 18.730.O10.B.1 BUILDING HEIGHT EXCEPTION - Buildings located in a non-residential zone may be built to a height of 75 eet provided that: ➢ A maximum building floor ea to site area ratio (FAR) of 1.5 to 1 will exist; ➢ All actual building setbac will be at least half('/2)of the building's height; and ➢ The structure will not ab t a residential zoned district. [,7�BUFFERING AND SCREENING [Refer to Code Chapter 18.7451 In order TO INCREASE PRIVACY AND TO EITHER REDUCE OR ELIMINATE ADVERSE NOISE OR VISUAL IMPACTS between adjacent developments, especially between different land uses, the City requires landscaped buffer areas along certain site perimeters. Required buffer areas are described by the Code in terms of width. Buffer areas must be occupied by a mixtu�e of deciduous and evergreen trees and shrubs and must also achieve a balance between vertical and horizontal plantings. Site obscuring sc�eens or fences may also be required; these are often advisable even if not �equired by the Code. The required buffer areas may o� be occupied by vegetation, fences, utilities, and walkways. Additional information on required buffer area materials and sizes may be found in the Development Code. CITY OF TIGARD Pre-ApplicaGon Conference Notes Page 2 of 8 NON-Residential App4calioNPlanning Oivision SecOon The ESTIMATED REQUIRED BUFFER WIDTHS appiicabie to your proposal area are: i' feet along north boundary. feet along east boundary. —� feet along south boundary. �-- feet along west boundary. IN ADDITION, SIGHT OBSCURING SCREENING IS REQUIRED ALONG: ��t�.,,�,.T,.�,•; [�LANDSCAPIN6 [Refer to Code Chapters 18.745,18.765 and 18.7051 STREET TREES ARE REQUIRED FOR ALL DEVELOPMENTS FRONTING ON A PUBLIC OR PRIVATE STREET as weli as driveways which a�e more than 100 feet in length. Street trees must be placed either within the public right-of-way or on private property within six (6) feet of the right-of- way boundary. Street trees must have a mmimum caliper of at least two (2) inches when measured four (4) feet above grade. Street trees should be spaced 20 to 40 feet apart depending on the b�anching width of the proposed tree species at maturity. Further infonnation on regulations affecting street trees may be obtained from the Planning Division. A MINIMUM OF ONE (1) TREE FOR EVERY SEVEN (7) PARKING SPACES MUST BE PLANTED in and around all parking areas in order to provide a vegetative canopy effect. Landscaped parking areas shall include special design features which effectively screen the parking lot areas from view. These design features may include the use of landscaped berms, decorative walls, and raised planters. �, RECYCLING [Refer to Code Chapter 18.7551 Applicant should CONTACT FRANCHISE HAULER FOR REVIEW AND APPROVAL OF SITE SERVICING COMPATIBILITY. Locating a trash/recycling enclosure within a clear vision area such as at the intersection of two (2) driveways within a parking lot is prohibited. Much of Tigard is within Pride Disposal's Service area. Lenny Hing is the contact person and can be reached at (503) 625-6177. �PARKIN6 [Refer to Code Section 18.765.0401 .- REQUIRED parking for this type of use: C,�.� �_��,_.�,��>�.�., Parking SHOWN on preliminary plan(s): SECONDARY USE REQUIRED parking: Pa�king SHOWN on preliminary plan(s): NO MORE THAN 50°/a OF REQUIRED SPACES MAY BE DESIGNATED AND/OR DIMENSIONED AS COMPACT SPACES. PARKING STALLS shall be dimensioned as follows: ➢ Standard parking space dimensions: 8 feet, 6 inches x 18 feet, 6 inches. ➢ Compact parking space dimensions: 7 feet, 6 inches x 16 feet, 6 inches. Note: Pa�king space width includes the width of a stripe that separates the parking space from an adjoining space. Note: A maximum of three(3)feet of the vehicle overhang area in front of a wheel stop or curb can be included as part of required parki�g space depth. This area cannot be included as la�dscaping for meeting the minimum percentage requirements. HANDICAPPED PARKING: ➢ All parking areas shall PROVIDE APPROPRIATELY LOCATED AND DIMENSIONED DISABLED PERSON PARKING spaces. The minimum number of disabled person parking spaces to be provided, as well as the parking stall dimensions, are mandated by the Americans with Disabilities Act (ADA). A handout is available upon request. A handicapped pa►icing space symbol shall be painted on the parking space surface and an appropriate sign shall be posted. ➢ BICYCLE RACKS ARE REQUIRED FOR MULTI-FAMILY, COMMERCIAL AND INDUSTRIAL DEVELOPMENTS. Bicycle racks shall be located in areas protected from automobile traffic and ,� in convenient locations. °b LOADIN6 AREA REQUIREMENTS [Refer to Code Section 18.165.0801 Every COMMERCIAL OR INDUSTRIAL BUILDING IN EXCESS OF 10,000 SQUARE FEET shall be provided with a loading space. The space size and location shall be as approved by the City Engineer. CITY OF TtGARD Pre-ApplicaGon Conference Notes Page 3 of 8 NON-Residen6al AppGcafioNPlanning Division Sec;tion Q� BICYCLE RACKS [Reier to Cade S�cti�n 18.7651 � �=k G►��s s�.�n��, BICYCLE RACKS are required FOR MULTI-FAMILY, COMMERCIAL AND INDUSTRIAL DEVELOPMENTS. Bicycle racks shall be located in areas protected f�om automobile traffic and in convenient locations. ❑ SENSI]1VE LAN�S [R�fer to Code Chapter 18.1151 The Code pravides REGULATIONS FOR LAND WHICH ARE POTENTiALLY UNSUITABLE FOR DEVELOPMENT DUE TO AREAS WIT THE 100-YEAR FLOODPLAIN, NATURAL DRAINAGEWAYS, WETLAND AREAS, ON LOPES IN EXCESS OF 25 PERCENT, OR ON UNSTABLE GROUND. Staff will attempt t preliminary identify sensitive lands areas at the pre- application conference based on available ' foRnation. HOWEVER, the responsibility to p�ecisely identif sensitive land areas and their b ndaries is the res onsibilit of the a licant. Areas meetin the definitions of sensitive land must be clea�l indicated on lans submitted with the development application. Chapter 18.775 also provides �egulati s for the use, protection, or modification of sensitive lands areas_ RESIDENTIAL DEVELOPME IS PROHIBITED WITHIN FLOODPLAINS. ❑ S�EP SLOPES [Ref�r te Code Secdon 18.T15.080 When STEEP SLOPES exist, prior #o ' suance of a final order, a geotechnical report must be submitted which addresses the appro I standards of the Tigard Community Development Code Section 18.775.080.C. The report sh 1 be based upon field exploration and investigation and shall include specific recommendations fo achieving the requirements of Section 18.775.080.C. �CLEANWATER SERVICES[CWSI BUFFER ST NDARDS [Refer to R a 0 96-44/USA Regulations-C6apter 31 LAND DEVELOPMENT ADJACENT TO SENSITIVE AREAS shall preserve and maintain or create a vegetated corridor for a buffer wide enough to protect the water quality functioning of the sensitive area. Desi n Criteria: The EGETATED CORRIDOR WIDTH is dependent on the sensitive area. The following table identifies the �equired widths: TABLE 3.1 VEGETATED CORRIDOR WIDTHS SOURCE: CWS DESIGN AND CONSTRUCTION STANDARDS MANUALIRE50LUTION 8� ORDER 96-44 '5LOPE ADJACENT WIDTH OF VEGEi"ATED z� `SENSITIV��AREA�DEFINITION � �.� � a s TO SENSITtVE AREA CORRIDOR PER SIDE ♦ Streams with intermittent flow draining: <25% � 10 to <50 acres 15 feet � >50 to <100 acres 25 feet • Existing or c�eated wetlands <0.5 acre 25 feet • Existing or created wetlands >0.5 acre <25% 50 feet • Rivers, streams, and springs with year-round flow • Streams with intermittent flow draining >100 acres • Natural lakes and onds • Streams with intermittent flow draining: >25% � 10 to <50 acres 30 feet 1 >50 to <100 ac�es 50 feet • Existing or created wetlands >25% Variable from 50-200 feet. Measure • Rivers, streams,and springs with year-round flow in 25-foot increments from the starting • Streams with intermittent flow draining >100 acres point to the top of ravine(break in • Natural lakes and ponds <25%slope),add 35 feet past the top of ravine6 Starting point for measurement = edge of the defined channel (bankful flow) for streams/rivers, delineated wetland boundary, deli�eated spring boundary,and/or average high water for lakes or ponds,whichever offers greatest resource protection. Intertnittent springs,located a minimum of 15 feet within the riverlstream or weUand vegetated corridor,shall not serve as a starting point for measurement SVegetated corridor averaging or reduction is allowed only when the vegetated corridor is certified to be in a marginal o�degraded condition. sThe vegetated corridor extends 35 feet from the[op of the ravine and sets the outer boundary of the vegetated corridor. The 35 feet may be reduced to 15 feet,if a stamped geotechnical repo�t confirms slope stability shall be maintained with the�educed setbadc from the top of ravine. CITY OF TIGARD Pre-Appiication Conference Notes Page 4 of 8 NON-Residential AppiratioNPlanning Division Secion ' Restrictions in the Ve etate Corridor: NO structures, deve opment, construction activities, gardens, lawns, application of chemicals, dumping of any materials of any kind, or other activities shall be permitted which otherwise detract from the water quality protection provided by the vegetated corridor, except as provided for in the CWS Design and Construction Standards. Location of Ve etated Corridor IN ANY RESI ENTIAL DEVELOPMENT WH1CH CREATES MULTIPLE PARCELS or lots intended for separate ownership, such as a subdivision, the vegetated corridor shall be contained in a separate tract, and shall not be a part of any parcel to be used for the construction of a dwelling unit. � CV1/S Service Provide�Letter: ,/('� PRIOR TO SUBMITTAL of any land use applications, the applicant must obtain a CWS Service Provider Letter which will outline the conditions necessary to comply with the R&O 96-44 sensitive area req uirements. If there are no sensitive areas, CWS must still issue a letter stating a CWS Service Provider Letter is not required. (�SI6NS [Refer to Code Chapter 18.7801 SIGN PERMITS MUST BE OBTAINED PRIOR TO INSTALLATION OF ANY SIGN in the City of Tigard. A "Guidelines for Sign Permits" handout is available upon request. Additional sign area or height beyond Code standards may be permitted if the sign proposal is reviewed as part of a development review application. Alternatively, a Sign Code Exception application may be filed for Directo�s review. [�TREE REMOVAI PLAN REQUIREMENTS [Refer to Code Section 18.190.030.C.1 A TREE PLAN FOR THE PLANTING, REMOVAL AND PROTECTION OF TREES prePared by a certified arborist shall be provided for any lot, pa�cel or combination of lots or parcels for which a development application for a subdivision, partition, site development review, planned development, or conditional use is filed. Protection is preferred over removal where possible. THE TREE PLAN SHALL INCLUDE the following: ➢ Identification of the location, size and species of all existing trees including trees designated as significant by the City; ➢ Identification of a program to save existing trees or mitigate tree removal over 12 inches in caliper. Mitigation must follow the replacement guidelines of Section 18.790.060.D according to the following standards and shall be exclusive of trees required by other development code provisions for landscaping, streets and parking lots: �► Retainage of less than 25% of existing trees over 12 inches in caliper requires a mitigation program according to Section 18.150.070.D. of no net loss of trees; � Retainage of from 25 to 50% of existing trees over 12 inches in caliper requires that two- thirds of the trees to be removed be mitigated according to Section 18.790.060.D.; �) Retainage of from 50 to 75% of existing trees over 12 inches in caliper requires that 50°/a of the trees to be removed be mitigated according to Section 18.790.060.D.; � Retainage of 75°/a or greater of existing trees over 12 inches in caliper requires no mitigation; ➢ Identification of all trees which are proposed to be removed; and ➢ A protection program defining standards and methods that will be used by the applicant to protect trees during and after construction. TREES REMOVED WITHIN THE PERIOD OF ONE (1) YEAR PRIOR TO A DEVELOPMENT APPLICATION LISTED ABOVE will be inventoried as part of the tree plan above and will be replaced according to Section 18.790.060.D. (7�MITIGATION [Refer to Code Secbon 18.790.060.EI REPLACEMENT OF A TREE shall take place according to the following guidelines: ➢ A replacement tree shall be a substantially similar species considering site characteristics. ➢ If a repfacement tree of the species of the tree removed o� damaged is not reasonably available, the Director may allow replacement with a different species of equivalent natural resource value. CITY OF TIGARO Pre-Application Conference Notes Page 5 of 8 NON-Residentia�Applica(ionlPlanrung Division Section ➢ If a replacement tree of the size cut is not reasonably available on the local market or would not be viable, the Directo� shall require replacement with more than one tree in accordance with the following formula: � The number of replacement trees required shall be determined by dividing the estimated caliper size of the tree removed or damaged, by the caliper size of the largest reasonably available replacement trees. If this number of trees cannot be viably located on the subject p�operty, the Director may require one (1) or more �eplacement trees to be planted on other prope�ty within the city, either public property or, �nnth the consent of the owner, private property. ➢ The planting of a replacement tree shall take place in a manner reasonably calculated to allow growth to matunty. IN LIEU OF TREE REPLACEMENT under Subsection D of this section, a party may, with the consent of the Director, elect to compensate the City for its costs in performing such tree replacement. [�CLEAR YISION AREA [Refer ta Code Chapter 18.7951 The Cit requires that CLEAR VISION AREAS BE MAINTAINED BETWEEN THREE (3) AND EIGHT �8) FEET IN HEIGHT at road/driveway, road/railroad, and road/road intersections. The size of the required clear vision area depends upon the abutting streeYs functional dassification and any existing obstructions within the clear vision area. ❑ ADDIiIONAL LOT DIMENSIONAL REQUIREME [Refer to Code Secbon 18.810.0601 MINIMUM LOT FRONTAGE: 25 f et unless lot is created through the minor land partition process. Lots created as part of a partitio must have a minimum of 15 feet of f�ontage or have a minimum 15-foot wide access easement. The DEPTH OF ALL LOTS HALL NOT EXCEED 2'/2 TIMES THE AVERAGE WIDTH, unless the parcel is less than 1%2 time the minimum lot size of the applicable zoning district. CODECNAPTERS �18.330(�itiona�use) �H.6ZO(Tgard Triargle Design Sfandards) �8.765(offstreet Parwry2oadin9 Requi�rr�ents) _ 18.340(oireaors�nte�retatio�) 18.630(wasnington 5quare Re9ana��ente�) 18.775(seositive�ands Review) - 18.350(�anr►ed oeve�menU � ')H.7O5(AooesslEgresslCirwlation) �18.780(sgns) _ 18.360�s�oeY�a�„�,r R�� 18.710�a�o�y R�,�u�� 18.785 R�ry u�P�� S.37O(VarianoeslAdjustrnents) 18.715�o��ny c«�,m�� 8.790 R�R�� _ 18.380�zo�n+��t a��c�� 18.720(oesiyn c,ompati�iuty S�andards) � 18.795�r��i c��a�y 18.385(ruusce��aneous Permi�s) � 18.125(Envinonmenta�Pertonnance standabs) _ 18.798(wire�ess�ommunication Faatities) ��S.3JO(Dedsion Mak�g Prooeduresllmpad Study) �H.73O(Exceptions Ta Oevebpment Shandards) �'��8.S�O(Street&llGlity Improvement Star�dards) _ 18.410�.�u�aa�a,��> 18.740(Hist«ic ovenay) _ 18.420(�and Partitio�s) 18.742(Home occuPabon Pennits) _ 18.430{s��a�«,s� � 18.745(�andscapirg�screenir�y standards) �18.510 tR��a�,�i z«,��o�m�� 18.750(Manutadured/Mobd Home Regulations) _ 18.520�c«��i z«,�o�a�� 18.755(h�ced SoGd wasteJRecyd'mg Storage) _ 18.530(�ndusaial z«,ing�ish;cts) 18.760(N«ioonromung situa�ons) CITY OF TIGARD Pre-Applica6on Conference Notes Page 6 of 8 NON-Residential AppGcationJPlanning Division Secfwn AODITIONAL CONCERNS OR COMMENTS: (� ,I �„� �- � k �� ` f; ,�. (;C_�S,l) ZJ L.: l` �,t?. �S S ll E� l o '�g t,�,�.F�S G2��E?c- �4.-r G�a L• 1, c_c.��U'1 �c1s �f'.�f, [1��,�.,,E' C7 C-c`•,.,F��P . � r � 1�� I� F\E�<11. .',(-�.:� ��.�(:��[��('>,^�Y' I��Y!P_�.:1C�ti -��r�� '�(�,'S -- � o-�'��,� C,z�, � (�r„��„��s - ' �',li)S SP'J�.c'.� C� �"..( t�; ��"i•;' � �REE �1�tn � IUr1FPA1'1VF_ Nl'(7i '.SS�.`C'_ S�f)�G":.� GT��er.r� �t�^ t�� f�.l�-�(?^�f',(�. (":t �Yle li ]G ��5�'�CJ —�u ��e � � _ �,Dc c� �-�-u �� PROCEOURE Administrative Staff Review. �— Public hearing before the Land Use Hearings Officer. Public hearing before the Planning Commission. Public hearing before the Planning Commission with the Commission making a recommendation on the proposal to the City Council. An additional public hea�ing shall be held by the City Council. APPLICATION SUBMITTAL PROCESS All APPLICATIONS MUST BE ACCEPTED BY A PLANNING DIVISION STAFF MEMBER of the Community Development Department at Tigard City Hall offices. PLEASE NOTE: Applications submitted b mail or dro ed off at the counter without Plannin Divis�on acce tance ma be returned. he Planning counter c oses at 4:00 PM. Ma s submitted with an a lication shall be folded IN ADVANCE to 8.5 by 11 inches. One (1j, 8 2 ' x ' ma o a ro osed ro'ect should be submitted or attachment to the sta re ort or a ministrative decision. Application with un olded maps shall not be accepted. The Planning Division and Engineering Department will perform a preliminary review of the application and will determine whether an application is complete within 30 days of the counter submittal. Staff will notify the applicant if additional information or additional copies of the submitted materials are required_ CITY OF TIGARD Pre-Application Conference Notes Page 7 of 8 NON-Residenfial App6catioMPlanrmig Oivision SecSon J�'^ • � 1 The administrative decision or public hearing will typically occur approximately 45 to 60 days after an application is accepted as being complete by the Planning Division_ Applications involving difficult or protracted issues or requiri�g review by other jurisdictions may take additional time to review. Written recommendations from the Planning staff are issued seven (7) days prior to the public hearing. A 10-day public appeal period follows all land use decisions. An appeal on this matter would be heard by the Tigard '+F �� -r-rz �'._ -�, < � :. .� � 1 _ A basic flow cha�t which illustrates the review process is available from the Planning ivision upon request_ Land use applications requiring a public hearing must have notice posted on-site by the applicant no less than 10 days prior to the public hearing. This PRE-APPLICATION CONFERENCE AND THE NOTES OF THE CONFERENCE ARE INTENDED TO INFORM the prospective applicant of the primary Community Development Code requirements applicable to the potential development of a particular site and to allow the City staff and prospective applicant to discuss the opportunities and constraints affecting development of the site. BUILDIM6 PERMIT'S PLANS FOR BUILDING AND OTHER RELATED PERMITS WILL NOT BE ACCEPTED FOR REVIEW UNTIL A LAND USE APPROVAL HAS BEEN ISSUED. Final inspection approvals by the Building Division will not be granted until there is compliance with all conditions of development approval. These pre-application notes do not include comments from the Building Division. For proposed buildings or modifications to existing buildings, it is recommended to contact a Building Division Pla�s Exarriiner to determine if there are building code issues that would prevent the st�ucture from being constructed, as proposed. Additionally, with regard to Subdivisions and Minor Land Partitions where any structure to be demolished has system development charge (SDC) c�edits and the underlying parcel for that st�ucture will be eliminated when the new plat is recorded, the Cit 's olic is to a I those s stem develo ment credits to the first buildin ermit issued in the develo ment (UNLE S OTHER ISE DIRECTED BY T E DEVELOPER AT THE TIME IN WHICH THE DEMOLITION PERMIT IS OBTAINED). e con erence an no es canno cover a o e requiremen s an aspec s re a e o site planning that should ap ply to the development of your site plan. Failure of the staff to provide information required by the Code shall not constitute a waiver of the applicable standards or requirements. atsk recommended that a pros�pective applicant either obtain and read tl�e Community Development Code or any questions of City statt�relative to Code requirements pnor to submitting an application. AN ADDITIONAL PRE-APPLICATION FEE AND CONFERENCE WILL BE REQUIRED IF AN APPLICATION PERTAINING TO THIS PRE-APPLICATION CONFERENCE IS SUBMITTED AFTER A PERIOD OF MORE THAN SIX (6) MONTHS FOLLOWING THIS CONFERENCE (unless deemed as unnecessary by the Planning Division). PREPARED BY: _�,�;,:,�; �_• i'�,. � (ITY 4F TIGARD PLANNIN� DIYISION - STAFF PERSON HOLDING PRE-APP. MEETING PHONE: (503) 639-4111 FAX: (503) 684-1291 E-MAIL• (swN's�wst nameJ ol a.tigard.or.us TITLE 18(UTY OF TIGARD'S (OMMUNITY DEYELOPMENT CODE)INTERNET ADURESS: www.ci�igard.or.us H:lpattylmasterslPre-App Notes Commercial.doc Updated: 3-Oct-02 (Engineering sec6on:preapp.eng) CITY OF TIGARO Pre-Application Conference Notes Page 8 0(8 NON-Residential AppGc�onlPlanning Div�sion Secion