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Hearings Officer Packet - 08/22/2005
HEARINGS OFFICER MONDAY - AUGUST 22, 2005 - 7:00 PM Assistive Listening Devices are available for persons with impaired hearing and should be scheduled for Hearings Officer meetings by noon on the Friday prior to the meeting. Please call 503-639-4171, Ext. 2438 (voice) or 503-684-2772 (TDD - Telecommunications Devices for the Deaf). Upon request, the City will also endeavor to arrange for qualified sign language interpreters for persons with speech or hearing impairments and qualified 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 services, 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 FANNO CREEK TRAIL PROJECT SENSITIVE LANDS REVIEW (SLR) 2005-00016 MINOR MODIFICATION (MMD) 2005-00015 REQUEST: The applicant is requesting Sensitive Lands Review approval to construct a 10-foot-wide paved, multi-use trail within a portion of the floodplain. The trail segment is approximately 1,090 lineal feet, approximately 700 feet of which are located in the 100-year floodplain. The proposal includes a pedestrian bridge crossing Fanno Creek near the existing Hall Boulevard vehicular bridge over Fanno Creek. Minor alteration of the floodway will be conducted to place the pedestrian bridge. The applicant is also requesting Minor Modification approval to a previously granted Conditional Use Permit (CU P2003-0000 1 /City of Tigard Public Library) in order to add the pedestrian trail on the site. LOCATION: The proposed project is located within the Fanno Creek Floodplain, east of SW Hall Boulevard, north of the existing Tigard Library, and south of the Southern Pacific Railroad tracks. The path will connect to the existing Fanno Creek trail network. WCTM 2S102DA, Tax Lot 600; and 2S102DD, Tax Lots 100 and 200. ZONES: R-12: Medium-Density Residential District; and I-P: Industrial Park District. APPLICABLE REVIEW CRITERIA: Community Development Code Chapters 18.330, 18.390, 18.510, 18.530, 18.775 and 18.790. 3. OTHER BUSINESS 4. ADJOURNMENT Page 1 of 1 r AGe%DA ITE►N tAo 2,1 • COMMUNITY SPAPERS 1325 SW Custer Drive, Portland, OR 97219 • PO Box 370 • Beaverton, OR 97075 Phone: 503-684-0360 Fax: 503-620-3433 Email: legaladvertising@commnewspapers,com AFFIDAVIT OF PUBLICATION State of Oregon, County of Washington, SS I, Charlotte Allsop, being the first duly sworn, depose and say that I am the Accounting Manager of The Times (serving Tigard, Tualatin & Sherwood), a newspaper of general circulation, published at Beaverton, in the aforesaid county and state, as defined by ORS 193.010 and 193.020, that City of Tigard -Public Hearing Fanno Creek Trail Project (SLR) 2005-00016 (MMD) 2005-00015 CNI TT10643 a copy of which is hereto annexed, was published in the entire issue of said newspaper for 1 successive and consecutive weeks in the following issues August 4, 2005 Charlotte Allsop (Accounting Manager) Subscribed and sworn to before me this August 4, 2005 NOTARY BLIC FOR OREGON My commission expiresl_ Acct # 10093001 City of Tigard Attn: Accounts Payable 13125 SW Hall Blvd Tigard, OR 97223 Size ~YI°•S Amount Due $ 1-75--35 remit to address above OFFICIAL SEAL 1 SUZETTE I CURRAN I NOTARY PUBLIC-OREGON COMMISSION NO. 373063 MY COMMISSION WIRES NOV. 28, 2007 • • CITY OF TIGARD PUBLIC HEARING ITEM The following will be considered by the ward Hearings Officer on Monday August 22, 2005 at 7:00 PM at the Tigard Civic Center - Town Hall, 13125 SW Hall Blvd., Tigard, Oregon. Both public oral and written testimony is invited. The public hearing on this matter will be conducted in accordance with the Tigard Municipal Code and the rules of procedure adopted by the Council and available at City Hall or the rules of procedure set forth in Chapter 18.390. Testimony 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: Duane Roberts)' at 13125 SW Hall Blvd., Tigard, Oregon 97223, by calling 503-639-4171, or by e-mail to duanea.c i Lti lard. or. us. PUBLIC HEARING ITEM: SENSITIVE LANDS REVIEW (SLR) 2005-00016/MINOR MODIFICATION (MtMD) 2005-00015 > FANNO CREEK TRAIL PROJECT < REOUEST: The applicant is reauesting Sensitive Lands Review. approval to construct a 10-foot-wide paved, multi-use trail within a portion of the floodplain. The trail segment is approximately 1,090 feet in length, approximately 700 feet of which are located in the 100- year floodplain. The proposal includes a pedestrian bridge crossing Fanno Creek near the existing Hall Boulevard vehicular bridge over Fanno Creek. Minor alteration of the floodway will be conducted to place the pedestrian bridge. The applicant is also requesting Minor Modification approval to a previously granted Conditional Use Permit (CUP2003-00001/City of Tigard Public Library) in order to add the pedestrian trail on the site. LOCATION: The proposed project is located within the Fanno Creek Floodplain, east of SW Hall Boulevard, north and east of the existing Tigard Library, and south of the Souther Pacific Railroad tracks. The path will connect to the existing Fanno Creek trail network. WCTM 2S102DA, Tax Lot 600; and 2S102DD, Tax Lots 100 and 200. ZONES: R-12: Medium- Density Residential District; and I-P: Industrial Park District. APPLICATION REVIEW CRITERIA: Community Development Code Chapters 18.330, 18.390, 18.510, 18.530, 18.775 and 18.790. PLEASE SEE THE VICINITY MAP TO BE REDUCED AND PUBLISHED WITH THIS LEGAL NOTICE. THANK YOU. \ namnr nwr SLR2005-00016 MMD20OS-00015_ FANNO CREEK TRAIL PROJECT Tcc ~L TC i ....r ^f T 7-L"L TT10643 Publish 8/4/05 J i Depending on the number of people wishing to testify, the Tigard Hearing's Officer may limit the amount of time each person has to speak. We ask you to limit your oral comments to 3 - 5 minutes. The Hearing's Officer may further limit time if necessary. Written comments are always appreciated by the Hearing's Officer to supplement oral testimony. AGENDA ITEM NO.: 2.1 DATE: AUGUST 22, 2005 PAGE 1 OF I FILE NAME: FANNO CREEK TRAIL PROJECT CASE NOS.: CONDITIONAL USE PERMIT (CUP) 2005-00016 MINOR MODIFICATION (MMD) 2005-00015 IF YOU WISH TO TESTIFY ON THE ITEM INDICATED ABOVE, PLEASE PRINT YOUR NAME, ADDRESS & INCLUDE YOUR ZIP CODE PROPONENT - (Speaking In Favor or Neutral) OPPONENT - (Speaking Against) Name, Address, Zip Code and Phone No. Name, Address, Zip Code and Phone No. 1 I 1 Name, Address, Zip Code and Phone No. I Name, A_ddress, Zip Code and Phone No. 1 - - - - - - - Name, Address, Zip Code and Phone No - 1 - - - - - - - - - . I Name, Address, Zip Code and Phone No. I Name, Address, Zip Code and Phone No. I Name Address Zi Code and Phone go. I Name, Address, Zip Code and Phone No. I Name, Address, Zip Code and Phone No. 1 Name Address Zi Code and Phone No Name Add Zi C d d Ph N , , p . , ress, p o e an one o. I I 1 - - - - - - - - - - - - - - - T - - - - - - - - - - - - - - • • BEFORE THE LAND USE HEARINGS OFFICER FOR THE CITY OF TIGARD, OREGON Regarding an application by the City of Tigard for ) FINAL ORDER sensitive lands review approval for a roughly 1,090 foot) SLR 2005-00016 section of 10-foot wide trail east of Hall Boulevard, north) MMD 22005-00015 of the Tigard Library, in the City of Tigard, Oregon ) (Fanno Creek Trail) A. FINDINGS AND CONCLUSIONS 1. The applicant, City of Tigard, requests sensitive lands review for construction of a 10-foot wide paved public use trail, including a pedestrian bridge over Fanno Creek. The applicant will construct the trail on tax lot 600, WCTM 2S102DA and tax lots 100 and 200, 2S102DD (the "site"). Roughly 700 feet of the proposed 1,090 foot trail segment is located within the 100-year floodplain of Fanno Creek. The trail will be located north and east of the recently constructed Tigard Public Library. The applicant also requests minor modification of the Conditional Use Permit ("CUP") approved for the library (CUP 2003-00001) to add the pedestrian trail to the library site. Additional basic facts about the site and surrounding land and applicable approval standards are provided in the Staff Report to the Hearings Officer dated August 15, 2005 (the " Staff Report"), incorporated herein by reference. 2. Tigard Hearings Officer Joe Turner (the "hearings officer") held a duly noticed public hearing on August 22, 2005 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 record, including materials submitted after 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 Duane Roberts summarized the Staff Report. i. He requested the examiner modify condition of approval 4 to allow the applicant to construct the pedestrian bridge and the section of trail south of Fanno Creek prior to ODOT approval of a pedestrian crossing of Hall Boulevard, provided the applicant installs a barrier at the north end of the bridge to preclude access to north side of the creek and connection to the existing trail segment west of Hall Boulevard. ii. He requested the examiner modify condition of approval 5 to clarify that the applicant is required to complete the required wildlife assessment prior to construction of the trail section north of Fanno Creek. • • b. City Parks Manager Steve Martin, environmental consultant Stacy Benjamin and city engineer Vannie Nguyen testified on behalf of the applicant. They accepted the findings and conditions of approval in the Staff Report 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 as amended at the hearing. 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 as amended at the hearing. The applicant accepted those conditions as amended. 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 sensitive lands reviews and minor modification 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 SLR2005-00016 and MMD2005-00015 (Fanno Creek Trail), subject to the following conditions of approval: 1. No site work will begin until appropriate fencing/demarcation has been installed on site to clearly identify the wetland boundaries and construction perimeters. 2. The applicant will provide a copy of the tree protection plan, which will be reviewed by the City's Arborist. Tree protection must be installed and inspected by the City's Arborist, Matt Stine, prior to site work. 3. The applicant shall carry out the vegetated corridor plan as reviewed and approved by CWS and obtain a letter from CWS documenting that the conditions have been met. SLR2005-00016 and MMD2005-00015 Hearings Officer Final Order (Fanno Creek Trail) Page 2 • • 4. ODOT approval of the location and design of a pedestrian crossing of Hall Boulevard serving trail users should be obtained and the crossing installed concurrent with or before the trail connection is installed. At the applicant's discretion and risk, the trail section located south of Fanno Creek may be installed prior to the required OD OT approval of a safe pedestrian crossing. The pedestrian bridge also may be installed prior to the approval and installation of the Hall Boulevard pedestrian crossing, provided two conditions are met: a barrier across the nort hem end of the bridge shall be erected to prevent pedestrian access and a sign posted on the barrier indicating that access to the northern property is prohibited. 5. A wildlife assessment will be conducted to address the impact of the project within the area north of Fanno Creek prior to construction of the trail section north of the pedestrian bridge. The trail design north of the creek will respond to and take into account the results of the wildlife assessment. The assessment and design will be subject to a public hearing by the Hearing Officer. DATED this 1 S` day of September, 2005. J-00-1z~~~ 040"', Joe Turner, Esq., AICP City of Tigard Land Use Hearings Officer SLR2005-00016 and MMD2005-00015 Hearings Officer Final Order (Fanno Creek Trail) Page 3 "TAB B" Applicant's Materials & All Correspondence Filed with Hearings Officer Prior to the Public Hearing. Agenda Item: 2.1 Hearing Date: Auaust 22. 2005 Time: 7:00 PM STAFF REPORT TO THE ' I HEARINGS OFFICER "CITY OFTIGARD Community Development FOR THE CITY OF TIGARD, OREGON Shapin,,g,4 (Better Community 120 DAYS = NIA SECTION I. APPLICATION SUMMARY FILE NAME: FANNO CREEK TRAIL PROJECT CASE NOS.: Sensitive Lands-Review (SCR Minor Modification (MMD) MMD2005-00015 PROPOSAL: The applicant is requesting Sensitive Lands Review approval to construct a 10-foot-wide paved multi-use trail within a portion of the floodplain. The trail segment is approximately 1,090 lineal feet, approximately 700 feet (340 cubic yards) of which are located in the 100-year floodplain. The proposal includes a pedestrian bridge crossing Fanno Creek near the existing Hall Boulevard bridge over Fanno Creek. Minor alteration of the floodway will be conducted to place the-pedestrian bridge. The project will also temporarily impact zero square feet of the 50' vegetated corridor due to construction staging and will permanently impact 3,004 square feet of vegetated corridor as a result of the trail construction. APPLICANT: City of Tigard OWNER: City of Tigard 13125 SW Hall Blvd. 13125 SW Hall Blvd. Tigard, OR 97223 Tigard, OR 97223 LOCATION: The proposed project is located within the Fanno Creek floodplain, east of Hall Boulevard, north of the existing Tigard Library and south of the Southern Pacific railroad tracks. The path is to extend from Hall Boulevard opposite an exiting trail segment located on the west side of Hall to the north side of the proposed Wall St t E t i T l t b 2S102DA00600 2S1102DD100 & 200 ree x ens on. ax o num ers . , ZONING: R-12: Medium-Density Residential District. The R-12 zoning district is designed to accommodate a full range of housing types at a minimum lot size of S,050 square feet. A wide range of civic and institutional uses also are permitted conditionally. I-L: Light Industrial District. The I-L zoning district provides appropriate locations for general industrial uses including industrial service, manufacturing and production, research and development, warehousing and freight movement, and wholesale sales activities with few, if any, nuisance characteristics such as noise, glare, odor, and vibration. APPLICABLE REVIEW CRITERIA: Community Development Code Chapters 18.330, 18.390, 18.510, 18.530, 18.775 and 18.790. SECTION II. STAFF RECOMMENDATION Staff recommends that the Hearings, Officer find that -a portion of., proposed pedestrian trail and bridge will not adversely affect the health, safety and welfare of the City and meets the Approval Standards of the Tigard Development Code. A remainder of the trail including the bridge is conditioned to be subject to further study. Therefore, Staff recommends APPROVAL, subject to the following recommended Conditions of Approval: SLR2005-00016/MMD2005-00015 PAGE 1 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER • • CONDITIONS OF APPROVAL THE' FOLLOWING"CONDITIONS SHALL BE SATISFIED PRIOR TO ISSUANCE OF THE SITE AND/OR BUILDING PERMITS: Submit to the anning Department (Gary Pagenstrecher, 639-4Tn, ext. 2 or review and approval: 1. No site work will begin until appropriate fencing/demarcation has been installed on site to clearly identify the wetland boundaries and construction perimeters 2. The applicant will provide a copy of the tree protection plan, which will be reviewed by the City's Arborist. Tree protection must be installed and inspected by the City's Arborist, Matt Stine, prior to site work. 3. The applicant shall carry out the vegetated corridor plan as reviewed and approved by CWS and obtain a letter from CWS documenting that the conditions have been met. 4. ODOT approval of the location and design of a pedestrian crossing of Hall Boulevard serving trail users should be obtained and the crossin installed concurrent with or before the trail connection is installed. At the applicant's discretion and risk, the trail section located south of Fanno Creek may be installed prior to the required ODOT approval of a safe pedestrian crossing. The northern terminus of said portion of the trail is approximately 50 feet south or downstream of the bridge and midway along the Swale bordering the trail. 5. A wildlife assessment will be conducted to address the impact of the project within the area north of Fanno Creek. The trail design north of the creek will respond to and take into account the results of the wildlife assessment. The assessment and design will be subject to a public hearing by the Hearing Officer. THIS APPROVAL SHALL BE VALID FOR 18 MONTHS FROM THE EFFECTIVE DATE OF THE HEARINGS OFFICER'S DECISION SHALL RENDER THE HEARINGS OFFICER'S' DECISION. SECTION III. BACKGROUND INFORMATION Site Information and Proposal Description: The site is located along Fanno Creek just north of the existing Tigard Library site. The trail segment is approximately 1,090 fineal feet with approximately 700 feet located in the 100 year floodplain. The site is developed with the library building and a small gazebo. Wetlands are located on the site; however, the path has been designed to avoid wetland impacts. The trail will require development within the CWS vegetated corridor and mitigation is proposed. The applicant is requesting Sensitive Lands Review approval to construct approximately 700 lineal feet of the 10-foot wide paved multi-use trail within the floodplain. The proposal includes a pedestrian bridge crossing Fanno Creek near the existing Hall Boulevard bridge of Fanno Creek. Minor alteration of the floodway also will be conducted to place the pedestrian bridge. Prior to the completion of the library, a small residential home with related domestic improvements (landscaping, etc occupied a portion of the site. The house subsequently was destroyed by fire. A gazebo has been constructed near the former home site. SLR2005-00016/MMD2005-00015 PAGE 2 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER SECTION IV. SUMMARY OF APPLICABLE CRITERIA • A summary of the applicable criteria in this case in the Chapter order in which they are addressed in this staff report are as follows: A. Decision Makin Procedures T=. (Conditional se) B. Zonin Districts esidenfial Zoning Districts) 18.530 Industrial Zoning Districts) C. Specific Development Standards 18.775 (Sensitive Lands) 18.790 (Tree Removal) D. Impact Study TUM The proposal contains no elements related to the provisions of Code Chapters: 18.705 (Access, Egress & Circulation), 18.715 Density Computations), 18.720 (Design Compatibility), 18.725 (Environmental Performance Standards), 18.730 (Exceptions to Development Standards), 18.742 (Home Occupations), 18.750 Manufactured/Mobile Home Regulations), 18.755 Mixed Solid Waste & Recyclable Storage) 18.765 ((Off-Street Parking and Loading Requirements), '8.760 (Nonconforming Situations), 18.780 (Signs), 18.785 (Temporary Uses,), 18.795 (Visual Clearance)„ and 18.798 (Wireless Communication Facilities). These Chapters are, therefore, found to be inapplicable as approval standards. Review to make sure nothing is missing from list. 18.705.030F addresses the design of walkways that cross vehicle access driveways or parking lots. Finding: Section18.705 (Access, Egress & Circulation) does not apply because the library conditional use application (CUP2003-00001) addresses walkway crossing of vehicle access driveways and parking lots. SECTION V. APPLICABLE REVIEW CRITERIA AND FINDINGS COMPLIANCE WITH COMMUNITY DEVELOPMENT CODE SECTIJTIS: A. DECISION MAKING PROCEDURES This application includes a request for a Minor Modification to CUP2003-00001/SLR20001/VAR2003- 00009, the City of Tigard Public Library. The Minor Modification approval criteria are listed below, along with a discussion of how each applies to the project under discussion. The Minor Modification approval criteria require that the Major Modification approval criteria first be addressed. 18.330.020.B. 2. The Director shall determine that a major modification(s) has resulted if one or more of the changes listed below have been proposed. a. A change in land use: b. A 10% increase in dwelling unit density: c. A change in the type and/or location of accessways and parking areas where off-site traffic would be affected: d. An increase in the floor area proposed for non-residential use by more than 10% where previously specified: e. A reduction in the floor area proposed for non-residential use by more that 10% of the area reserved for common open space and/or usable open space. f. A reduction of specified setback requirements by more than 20%: g. An elimination of project amenities by more than 10% where previously specified, such as, Recreational facilities, Screening, or Landscaping provisions: SLR2005-00016/MMD2005-00015 PAGE 3 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER h. A 10% increase in the approve density: FINDING: The trail proposal is a modification to the City of Tigard Public Library project (CUP2003- 0001). The final order issued by the Hearings Officer approving the original project dictates in condition # 10 that "the applicant shall show that it is making a continuing, diligent, good faith to identify an alignment for a pedestrian/bicycle path along Fanno Creek that will not be below the elevation of an average annual flood." The present proposal fulfills this condition by defining a suitable alignment for the trail through the library property. The proposal is not a change in use. It does it involve a 10% reduction in density. The accessways to the approved library, site are not changed from those approved as part of the library project. No increase in floor area is proposed. No change in specified setbacks requirements Is proposed. The project adds rather than eliminates recreational facilities. No change to screening or landscaping provisions is requested. No increase in approved density is requested. 18.330.020.C. Minor modification of approved or existing conditional use. 1. Any modification which is not within the description of a major modification as provided in Subsection B above shall be considered a minor modification. 2. Any applicant may request approval of a minor modification by means of a Type I procedure, as regulated by Section 18.390.040, using approval criteria in Subsection C3 below. 3. A minor modification shall be approved, approved with conditions, or denied following the Director's review based on the findings that: a. The proposed development is in compliance with all applicable requirements of this title; and b. The modification is not a major modification as defined in Subsection A above. FINDING: The proposed modification is not within the description of a major modification and, therefore is classified as a minor modification. B. ZONING DISTRICT Residential and Industrial Zonin Districts: Section 18.510.020 and 18.520.020 iC'sf The description ofTffe-Residential Zoning Districts and Industrial Zoning Districts. This use is considered a public infra-structure improvement consistent with a street or sidewalk. Therefore, the proposal does not conflict with allowed uses in either the R-12 or I-L zones. This application includes a request for a Minor Modification to CUP2003-00001/SLR20001/VAR2003- 00009, the City of Tigard Public Library. The Minor Modification approval criteria are listed, along with a discussion of how major modification criteria are not applicable. C. SPECIFIC DEVELOPMENT STANDARDS: SENSITIVE LANDS: CHAPTER 18.775 'Sensitive lands are lands potentially unsuitable for development because of their location within: the 100-year floodplain, natural drainageways, wetland areas which are regulated by other agencies including U.S. Army Corps of Engineers and the Division of State Lands, or are designated as significant wetland on the Comprehensive Plan Floodplain and Wetland Map, and steep slopes of 35% or greater and unstable ground. A land use application is required for ground disturbances in sensitive lands areas. The proposal involves 340 cubic yards of excavation within the floodplain , a hard surface path in the SLR2005-00016/MMD2005-00015 PAGE 4 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER floodplain, and no temppora fleration of the floodway for the cotruction/placement of the bridge. According to Section 18.77~.020.G this proposal requires a Type III sensitive lands review by the Hearings Officer. Within the 100-year floodplain 18.775.070 (B) The Hearings Officer shall approve, approve with conditions or deny an application request within the 100-year floodplain based upon findings that all of the following criteria have been satisfied: Land form alterations shall preserve or enhance the floodplain storage function and maintenance of the zero-foot rise floodway shall not result in any encroachments, including fill, new construction, substantial improvements and other development unless certified by a registered professional engineer that the encroachment will not result in any increase in flood levels during the base flood discharge. The applicant has provided a letter and report from Pacific Water Resources, Inc. that certifies a zero- foot rise in flood elevations. Therefore, this standard has been satisfied. Land form alterations or developments within the 100-year floodplain shall be allowed only in areas desi ned as commercial or industrial on the comprehensive plan land use map, except that alterations or developments associated with commune recreation uses, utilities, or public support facilities as defined in Chapter 18.120 of the &mmunity Development Code shall be allowed in areas designated residential subject to applicable zoning standards; The trail is an alteration associated with community recreation, which is allowed in the floodplain, as are trails in City parks. The use is most closely related to a public support facility, therefore, the land form alteration required for the construction of this use is allowed in accordance with this criterion. Where a land, form alteration or development is permitted to occur within the floodplain it will not result in any increase in the water surface elevation of the 100-year flood; As mentioned above, the final project design was the subject of a flood analysis that certified a zero- foot rise in flood elevations. Therefore, this standard has been satisfied. The land form alteration or development plan includes a pedestrian/bicycle pathway in accordance with the adopted pedestrian/bicycle pathway plan, unless the construction of said pathway is deemed by the Hearings Officer as untimely; The proposal is to construction a pedestrian/bicycle path, which fulfills an approval condition listed in the HO's approval of a portion of the Tigard Library Project (CUP 2203-0001). However, as discussed later in the staff report, there is evidence to indicate that pathway construction may be untimely. The plans for the pedestrian/bicycle pathway indicate that no pathway will be below the elevation of an average annual flood; The path is located in the 100-year floodplain. Minor alteration of the floodway will be necessary to construct footings for the bridge over Fanno Creek. The bridge itself will be located outside the floodway. Therefore, this standard has been satisfied. The necessary US Army Corps of Engineers and State of Oregon Land Board, Division of State Lands, and CWS permits and approvals shall be obtained; and The Corps and DSL have jurisdiction over work within wetlands and below the high water mark (the top of bank). According to the natural resource assessment report completed by Fishman Environmental Services, no portion of the path, bridge, or construction staging areas will take place in the wetland or high water mark areas. Therefore permits were not required from DSL or the Corps. A Service Provider letter was obtained from CWS. In addition, copies of the application materials were sent to the Division of State Lands, the US Army Corps of Engineers, the Department of Fish and Wildlife and Clean Water Services. No comments were provided. Where land form alterations and/or development are allowed within and adjacent to the 100- SLR2005-00016/MMD2005-00015 PAGE 5 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER year floodplain, the City shall regqwire the consideration of dedication of sufficient open land area within and adjacent to the floodplain in accordance with the comprehensive plan. This area shall include portions of a suitable elevation for the construction of a pedestrian/bicycle pathway within the floodplain in accordance with the adopted pedestrian/bicycle pathway plan. This standard does not apply because the property is already owned by the City and the request is to construct the pedestrian/bicycle path in accordance with the adopted plan. Within wetlands 18.775.070 (E): Special Provisions for Development Alon Fanno Creek 18.775.090: In order to address the requirements of-Statewide Planning Goal 5 Natural Resources) and the safe harbor provisions of the Goal 5 administrative rule (OAR 666-023-0030) pertaining to wetlands , all wetlands classified as si nificant on the City of Tigard "Wetlands and Streams Lorriaors Map" are protected. No land orm alterations or developments are allowed within or partially within a significant wetland, except as allowed/approved pursuant to Section 18.775.130. In order to address the requirements of Statewide Planning Goal 5 Natural Resources) and the safe harbor provisions of the Goal 5 administrative rule (OAR 660-023-0030) pertaining to riparian corridors a standard setback distance or vegetated corridor area, measured n6rizonfgry-trom and parallel to the top of the bank, is established for the Tualatin River, Fanno Creek, Ball Creek, and the South Fork of Ash Creek. No alternation of wetland is planned, however, the proposal does involve alteration of land within the vegetated corridor and in the vicinity of wetlands. The vegetated corridor standards are addressed in 775.0906 below. FINDING: Based on the plans provided, no alteration of wetlands. is proposed. However, since construction activities are proposed in the vicinity of delineated wetlands, the construction boundaries should be clearly defined in order to avoid unintentional and unapproved disturbance of the wetlands. CONDITION: No site work will begin until appropriate fencing/demarcation has been installed on site to clearly. identify wetland boundaries and construction perimeters. 775.090. B 2. The standard width for "good condition" vegetated corridors along Fanno Creek, Ball Creek, and the South Fork of Ash Creek is 50 feet, unless wider in accordance with CWS "Design and Construction Standards", or modified in accordance with Section 18.775.130. If all or part of a locally significant wetland (a wetland identified as significant on the City of Tigard "Wetlands and Streams Corridors Map") is located within the 50 foot setback area, the vegetated corridor is measured from the upland edge of the associated wetland. 3. The minimum width for "marginal or degraded condition" vegetated corridors along the Tualatin River, Fanno Creek, Ball Creek, and the South Fork of Ash Creek is 50% of the standard width, unless wider in accordance with CWS "Design and Construction Standards", or modified in accordance with Section 18.775.130. 4. The determination of corridor condition shall be based on the Natural Resource Assessment guidelines contained in the CWS "Design and Construction Standards". 5. The standard setback distance or vegetated corridor area applies to all development proposed on property located within or partially within the vegetated corridors, except as allowed below: a. Roads, pedestrian or bike paths crossing the vegetated corridor from one side to the other in order to provide access to the sensitive area or across the sensitive SLR2005-00016/MMD2005-00015 PAGE 6 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER area, as approved by the City per Section 18.775.070 and by CWS "Design and Construction Standards"; b. A pedestrian or bike path, not exceeding 10 feet in width and meeting the CWS "Design and Construction Standards"; a. Land form alterations or developments are located within or partially within the minimum width area established for marginal or a degraded condition vegetated corridor, as defined in Section 18.775.090.B.3. According to the CWS Natural Resource Assessment, the condition of the vegetated corridor along the creek is "degraded". The proposed vegetated width of 50 feet exceeds the minimum width required. A pedestrian path not the exceed 10 feet is width is an allowed use in the vegetated corridor set. Moreover, CWS has approved the trail design and issued a Service Provider Letter approving the project with regard to CWS standards. FINDING: The trail is an allowed use within the vegetated corridor. The vegetated corridor proposed meets the City and CWS site-specific standards established for vegetated corridors. CONDITION:The applicant shall carry out the vegetated corridor plan as reviewed and approved by CWS. Tree Removal (18.790): chapter requires the submittal of a tree plan that identifies the location, size, and species of all trees on the site a program to save existing trees over 12-inch diameter at breast height (dbh) or mitigate for their removal, identification of trees 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 submitted a tree plan that identifies the location, size, and species of all trees within or near the trail corridor. The earlier conditional use application for the development of the library (CUP 2003-0001) includes a tree inventory covering the larger library property. According to the trail-specific inventory, three trees (one pine and two deciduous) of 2-inch diameter each are proposed for removal. The loss of these trees will be compensated for by the planting of 24, 2-9allon container size (approximately 0.5 inch diameter) trees along the trail. The required planting of replacement trees applies to tree removal more than 12 inches in diameter. A protection plan for. existing trees has been developed. This plan is the city's administrative policy pertaining to tree protecfon during construction activities on city projects. Section 18.790.040 states that any tree preserved or retained in accordance with this section may thereafter be removed only for the reasons set out in a tree plan, in accordance with Section 18.790.030, or as a condition of approval for a conditional use, and shall not be subject to removal under any other section of this chapter. The property owner shall record a deed restriction as a condition of approval of any development permit affected by this section to the effect that such tree may be removed only if the tree dies or is hazardous according to a certified arborist. The deed restriction may be removed or will be considered invalid if a tree preserved in accordance with this section should either die or be removed as a hazardous tree. The form of this deed restriction shall be subject to approval by the Director. FINDING: Based on the analysis above, the Tree Removal standards will be met, if the applicant complies with the condition listed below: CONDITION: Provide a copy of the tree protection plan, which will be reviewed by the City Arborist , Matt Stine. Tree protection must be installed and inspected by the City's Arborist prior to site work. D. Impact Studv: 18.390.040.B.e.states that the application shall include an impact study. The impact study SLR2005-00016/MMD2005-00015 PAGE 7 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER shall quantify the effect of tq development on public facilities and services. The study shall address, at a minimum, the transportation system, including bikeways, the drainage system, the parks system, the water system, the sewer system, and the noise impacts of the development. For each pubic facility system and type of impact: the study shall propose improvements necessary to meet City standards and to minimize the impact of the development on the pubic at large, public facilities systems, and affected private property users. Finding: The applicant has included an impact study that adequately addresses the project's impact on the various the public facility systems, except for the transportation system. The Engineering Department concludes that the project will increase the number of Hall Boulevard pedestrian crossing. The lack of provision for crossing improvements will contribute to unsafe conditions for trail users. CONDITION:ODOT approval of the location and design of a pedestrian crossing of Hall Boulevard serving trail users should be obtained and the crossing installed concurrent with or before the trail connection is installed. At the applicants discretion and risk, the trail section- located south of Fanno Creek may be installed prior to the required ODOT approval of a safe pedestrian crossing. The northern terminus of said portion of the trail is approximately 50 feet south or downstream of the bridge and midway along the Swale bordering the trail. SECTION VI. OTHER STAFF COMMENTS The City of Tigard Building Division,. Long Range Planning, Planning/Engineering Technicians, Engineering Department, and Public Works have reviewed the proposal and have no objections to it. The City of Tigard Police Department has reviewed the proposal and has filed the following comments. Are there any discussions regarding "ped crossing" where the trail crosses Hall? I know from experience that the library caused concerns for pedestrians accessing this facility. I know from experience that other roadways are involved when the Fanno Creek Trail spans the roadway. What other suggestions (ODOT approved) have been raised? Response: According to the ODOT 2004 Transportation Volume Tables, Hall Boulevard .01 miles south of Burnham Road daily handles 14,100 vehicles. The count.01'miles south O'Mara is 13,330. City Engineering staff who designed the trail alignment conclude that the long term effect of the completion of the new trail segment will be to increase the volume of Hall Boulevard pedestrian crossings within the area under discussion, contrary to the conclusion contained in the applicant's statement. Trail users approaching Hall will have two options should they wish to cross the road. One option is to follow the sidewalk or, where there are gaps, the shoulder of the road to the existing crosswalk and stop light located at Burnham and Hall, or in future, to the proposed crosswalk and stop light located at Wall Street and Hall. The other option is to wait for gaps in the traffic and to cross directly over between trail segments. Hall Boulevard is under the jurisdiction of ODOT. Earlier this ear, ODOT disapproved a City request for a marked crossing adjacent to and north of the bridge on Hyall. The City has available funding and would install a pedestrian crossing at this location, if granted permission by ODOT. ODOT would approve a location much further north, adjacent to the driveway serving City Hall. This location is considered by Engineering staff to be unsuitable for a crosswalk serving trail users, because it is too far out-of-direction to be used by people on the trail and also because the high volume of vehicular turning movements into and out of the City Hall driveway would create unsafe conditions for pedestrians. Another factor is that Hall Boulevard is three lanes at this location as opposed to two lanes where the trail segments meet. In the professional judgment of Engineering staff, it would be safer for trail users to cross two lanes of traffic mid-block, between trail segments without a cross walk than to cross at a marked crosswalk at the ODOT-preferred location, situated approximately 250 feet north of the trail. There are many instances where trail users do not make use of crosswalks SLR2005-00016/MMD2005-00015 PAGE 8 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER that are out of direction. The users of the trail most like) cross •the most direct and convenient crossing point, which also happens to be where the street is narrowest. In conclusion, 2004 daily average traffic volumes within the vicinity of the proposed trail were in the 13-14,000 range and completion of the second of the trail's two ends is likely to increase the number of Hall pedestrian crossings. The City has indicated a willingness to put in a crossing that is not too far away from the point where the trail segments connection to all. Negotiations with ODOT regarding the design and location of the crossing potentially could tie in to the proposed 2006 sidewalk infill along the Hall frontage of the City-owned tax lot north of Fanno Creek. In any case, staff concurs with the Police, ODOT, and Citizen comments on the need to address pedestrian safely as part of the trail project. The crossing and trail improvements should be completed concurrently. The proposed trail segment should not ~be installed until the issue of a street crossing serving trail users is resolved. This conclusion will be included as a proposed condition of approval. . SECTION VII. AGENCY COMMENTS Metro, Oregon Department of Environmental Quality, Oregon Department of Fish and Wildlife, Oregon Department of Transportation, Oregon Division of State Lands, Southern Pacific Railroad, Clean Water Services, Tualatin Valley Fire and Rescue, and US Army Corps. Of Engineers have reviewed the project and offered no comments. The Oregon Department of Transportation has reviewed the proposal and offered the following comments. Basil Christopher: Shouldn't this study address how pedestrians and bicyclists will get across Hall Blvd. where the path connects? O'Mara St. might serve as a valuable lesson here (poor planning). Regarding the section marked Transportation system - The study reads; "...new trail segment is not expected to result in an increase in the number of pedestrians crossing Hall Blvd...". I disagree with this statement for the following reasons. One point of building a path that connects to the library is to encourage library users to walk or bike to the library instead of driving. I think it's reasonable to assume that some people will do this (or why build a path to the librarv). I think it's also reasonable to assume some young persons who don't drive, will be attracted to walk and cross here to get to the library. Given these assumptions, I think it's more likely the new path will result in an increase in pedestrians crossing Hall Blvd. in this section. Fredrick Sawyer: The project looks fine. We may need to discuss the crossing of the highway during the design phase. The crossing is not included in the plan and can be addressed later. Sam Hunidi: From the traffic point of view, the lack of a safe pedestrian crossing is a concern. The trail and crossing should be handled together. ODOT may not grant future approval for a pedestrian crossing between the trail segments. SECTION VIII. PRIVATE ORGANIZATION AND CITIZEN COMMENTS Brian Wegener, Watershed Watch Coordinator for the Tualatin Riverkeepers has reviewed the proposal has reviewed the proposal and has offered the following comments: My biggest concern about the Fanno Creek Trail extension around the Library is having the trail cross Hall Blvd without a crosswalk. Under "Transportation System" on page 12 of the Fishman report, there is a statement that does not appear credible: "Construction of the new trail segment is not expected to result in an increase in the number of pedestrians crossing Hall Boulevard; however, it may encourage more pedestrians to cross at this SLR2005-00016/MMD2005-00015 PAGE 9 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER location rather than further 9th near the library entrance, potentially reducing the potential for accidents between pedestrians and automobiles.". My response to this is: 1. How does a new trail extension across a road avoid increasing the number of pedestrians crossing that road? 2. How does encouraging pedestrians to cross a road at a point with no crosswalk instead of crossing at a controlled intersection with a crossing signal reduce the risk of pedestrian-auto accidents? I suspect that Fishman Environmental Services has no qualifications in traffic engineering or pedestrian safety, and has no business making such claims to the city. While you have addressed most of the environmental concerns we have raised, this significant safety concern has the potential to either stop this project or cause a tragedy. We do appreciate your efforts to minimize impacts to habitat north of Fanno Creek. One alternative that we raised that was not addressed by the Fishman report is that the trail use the sidewalk on Omara Street, and cross Hall Boulevard at Omara Street intersection. This might help with the safety issues and would eliminate the impacts to habitat north of the creek and east of Hall Blvd. With these impacts eliminated, great potential for wildlife viewing from the second floor of the library, using binoculars or spotting scopes is enhanced. We would like the city to consider this potential as part of the trail plan, since connecting the people of Tigard with nature is one of the objectives of this trail. Thanks for the opportunity to comment. Response: Staff agrees with the need for a pedestrian crossing. The Omara alignment is an on-street alignment. The goal of the City reenway trail plan is to provide a continuous trail along Fanno Creek as it flows through the City. The quality of the experience is very different between walking along a street and a greenway trail. The one puts the walker into close proximity to motorized transportation. The other exposes the walker to wildlife and flowing streamwater. The same is true of wildlife viewing from the path as compared with wildlife viewing using binoculars from inside the library. The quality of the experience is diminished and opportunities for unintended contact with wildlife are reduced. Wildlife viewing is only one benefit of the trail. Other benefits include health and fitness, reduced reliance on the automobile, reduced stress, among others. To the extent that a creekside trail is feasible and does not result in the destruction of significant wildlife habitat, off-street trail segments are preferred to on-street segments. As indicated elsewhere in this report, a path along Fanno Creek is consistent with the library master plan and complies with all applicable review standards. Sue Beilke, Director of the Biodiversity Project of Tigard has reviewed the proposal has reviewed the proposal and has offered the following comments: Below are my comments for the Fanno Creek Trail Project, located north of the library. I appreciate the opportunity to provide comments on this project. I wholeheartedly support the extension of the trail since it will allow citizens to connect with nature and provide walking, biking, birdwatching and other activities for folks that improves livability. I do have several concerns and comments as follows: First, I have gone to meetings in the past several years with the city where it appeared there would be a marked crosswalk on Hall as well as possibly a median island where people could go if they needed to stop due to heavy traffic. Hall Blvd. as we all know is getting busier by the day, and to cross this street on foot or via bike can be dangerous. The current proposal is for not even a marked crosswalk on Hall. I believe this lends itself to an extremely dangerous crossing for citizens and a significant safety concern for all, both for trail users and motorists. The city recently installed a crosswalk on SW North Dakota for the Fanno Creek trail crossing and it has really been making a difference. I notice motorists are now stopping more frequently and are more courteous to people waiting to cross. In regard to the above safety concerns, a recommendation would be to put route this section of the trail along Hall to the south so that it comes out by Omara Street and then users could cross there and a crosswalk could be installed at this intersection. That would eliminate the unsafe proposed SLR2005-00016/MMD2005-00015 PAGE 10 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER crossing as it is current) prop osed. I think Brian Wegener also has proposed running the trail through the church/senior center and then crossing Hall at Omara street. My other major concern is for potential habitat and wildlife impacts due to the present proposed trail alignment north of the library. Impacts to the vegetated corridor include 3,004 square feet of permanent impact. This is a large area of permanent impact and,it means we lose this much area of habitat and open space permanently. As we have stated at past meetings for the library open space areas, we recommend that the entire area north of the creek be protected for wildlife, including specifically addressing habitat needs for the western pond turtle which have been observed here in the creek and crossing Hall at this very spot where the trail is proposed to cross. The upland portion, including where the trail alignment is proposed, is one of the last areas of "uplands" that could be improved for nesting habitat for turtles. Turtles need sparsely vegetated, sunny areas for nesting that are quiet and away from human disturbance or they won't use the area. If a trail goes through this area it will be used heavily, wildlife will not stay in this area because of noise and other impacts that humans cause. One of the main reasons the library site was supported by citizens was that the city was able to acquire a large open space tract. This was very exciting to many citizens since we felt it was a golden opportunity for the city to protect and improve habitat for a variety of species such as the pond turtle. Since the city did use the pond turtle as a target species when getting the grant for this project from the Oregon State Parks, it seems appropriate that we also provide and then improve habitat for the turtles by protecting certain areas for them to ensure their long term survival. Without adequate nesting habitat turtles will not survive for the long term. By protecting the entire area north of the library for wildlife, we believe there will be a greater opportunity for wildlife viewing from south of the creek on the trail and from the library itself using spotting scopes and binoculars. Thanks again for the opportunity to comment. We appreciate all of the hard work and effort staff has put into this effort to provide recreational and wildlife viewing opportunities to the citizens of Tigard. Response: The comment regarding the need for a marked crosswalk is responded to elsewhere in this report. . According to the Hearings Officer Final Report (CUP 2203-0001-, Tigard Library), "there is no substantial evidence in tFie record that the construction of a trail along Fanno Creek above the average annual flood elevation would adversely affect the turtle habitat if conducted consistent with applicable city, ODOL and Clean Water Services ("CWS") standards." Fishman Environmental Services provided the following comments regarding the Northwestern Pond Turtle and the trail: The northwestern pond turtle (Emys Clemmys marmorata marmorata Is not a listed federal or state species; it is a federal Species o ' Concern SOC) and a state critical (SC) species. A SOC is a species that is being considered for federal listing; a SC species is a species for which listing as threatened or endangered is pending or may be appropriate if immediate conservation actions are not taken. "The northwestern pond turtle prefers quiet water in small lakes, marshes, and sluggish streams and rivers. It will also inhabit man-made or modified watercourses such as reservoirs, canals, farm ponds and sewage treatment ponds. The pond turtle is a dietary generalist and opportunist with seasonal shifts in diet related to prey availability (Holland 1991). It requires basking sites, such as logs, rocks, mud banks or cattail mats, for thermoregulation (Csuti 1997). The northwestern pond turtle has been observed in the vicinity of the project area. An adult and a Juvenile turtle were observed along Fanno Creek on the west side of Hall Boulevard south of the former Tigard Library, and in 2000 a large adult pond turtle was observed crossing Hall Boulevard from north of the new library site east of Hall to the former library site (Sue Beilke pers. comm.). The project site contains patches of suitable turtle habitat: sluggish water and basking structures, shallow water ponds with potential forage, and upland cover for over-wintering. However, habitat is limited b accessibility due to surrounding roadways and development, and physical features such as the incised, vertical banks of Fanno Creek and the dense reed canary grass, blackberry, and scrub-shrub which can be difficult to traverse. No pond turtles were observed during recent field visits of the project site, but the time of year and construction on the new library could have influenced observations. SLR2005-00016/MMD2005-00015 PAGE 11 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER Since and turtles were obseled as recently as 2000 in the vicinity of the project site, the project design includes measures to minimize impacts to turtles. An aircraft cable-type fence will be installed on both sides of the trail from Hall Boulevard to Fanno Creek to discourage trail users from leaving the trail. A dense shrub barrier consisting of tall Oregon grape and Wood's rose will be installed east of the fence to further discourage trail users from leaving the trail. Installation of the fence and dense shrub barrier will minimize the potential for human disturbance to turtles and other wildlife using the wetlands and Fanno Creek riparian area located east of the trail." Modifications to the trail alignment north of Fanno Creek have been made to minimize the potential for impacts to turtle habitat since several preliminary trail designs were initially presented in the Fanno Creek Park Master Plan Summary (Murase Associates, May 2003). All of the trail designs in the master plan extended further east into the Fanno Creek Park site than the currently proposed trail alignment. In addition, the earlier trail designs also incorporated a series of smaller side trails and boardwalks that would have provided access to the ponds and streams on the site but would have resulted in greater natural resource impacts. The currently proposed trail alignment has been shifted closer to Hall Boulevard than initially proposed to avoid impacting wetlands and wildlife habitat. The potential wildlife and habitat impacts of the trail are the minimum necessary to install the trail. These impacts will be compensated for by the restoration of the required vegetated corridor to good condition. Additionally, the master plan for the area calls for the future restoration of the parks' some nine area to historic conditions. The trail will improve turtle safety by providing martial barrier to the crossing of Hall Boulevard, which, based on the crossing event described in tFie Fishman comments, poses a threat to turtle safety. Notwithstanding this, staff agrees that the northwest pond turtle's status as a federal SOC and state SC highlights the need for a formal wildlife assessment and will include this as a recommended approval condition. John Frewing, a private citizen, has reviewed the proposal has reviewed the proposal and has offered the following comments: Thanks for the opportunity to comment on the proposed Fanno Creek Trail Project in the vicinity of Tigard's public library. Please consider the comments below and modify the proposal accordingly: I question whether the proposed project is consistent with the goals of the Fanno Creek Park Master Plan. Such master plan includes the following purposes: a trail system that provides accessibility for people of all ages and physical abilities; preserve, enhance and restore natural resources; a safe and secure park. The uncontrolled crossing of Hall Blvd seems to limit accessibility and safety. The incursion of the project into the turtle habitat area on the north side of Fanno Creek, east of Hall Blvd seems to damage already scarce natural resources in the area. Response: The 2003 Fanno Creek Park Master Plan map includes a trail alignment that extends further east into northern portion of the library property than does the alignment proposed in the present application. The proposed alignment pulls the alignment back toward Hall Boulevard in order to minimize the trail's impact on the natural area. The same is true of the "preferred alignment" for this segment of the Fanno depicted in the 2003 Metro Fanno Creek Greenwa Trail Action Plan. This alignment extends east-west through the length of the northern area andyalso intrudes into wetland area. The alignment under consideration avoids all wetlands. Also to be noted is that the "natural area" within the propose trail alignment is not in pristine condition. According to the CWS natural resource assessment, the area in question is degraded. The area is a former horse pasture covered with nonnative pasture grasses. The park master plan calls for its future restoration to historic, pre-settlement conditions, but its present condition is an area where the soil has been compacted by years of livestock grazing and where few native species survive. The issue raised regarding access and safety is discussed below. 2. Although not stated explicitly, I presume the hearing is a Type II hearing under the Tigard code, since it involves a sensitive lands review. My comment is that all provisions of the code which apply to a Type II hearing and decision should apply. My first impression is that I don't see a traffic study and impact study. SLR2005-00016/MMD2005-00015 PAGE 12 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER Response: The applicable procedure is a Type III hearing conducted by a Hearings Officer. The permit application, beginning on page 12, includes a narrative addressing f8.390.040 B.2.(e): Impact Study. A traffic study is not required because the trail segment does not impact the vehicular transportation system. It provides an additional access and route for bicycles and pedestrians. Although pathways also are part of the transportation system, a traffic study is not usually requirement for their construction. In the case of the present project, a pedestrian crossing study will be required. 3. The application material prepared by Fishman does not appear to consider compliance with TCDC 18.360.060, Minor Modifications. This section has a number of approval criteria which must be met. The notice of hearing does not identify Section 360 as applicable to this project. Response: The Notice of Public Hearing correctly omits 18.360 as including applicable review criteria. The reason is that the on Inal application, the one proposed for modification, was a Conditional Use Permit proposal (CUP 2003-0001). Therefore, the Conditional Use modification criteria would apply. These are addressed beginning on page 5 of the application narrative and elsewhere in this staff report. 4. Section 18.810.030, regarding street design, of the Tigard code states that no development shall occur unless the streets adjacent to the development meet the standards of this chapter. I question whether Hall Blvd, adjacent to this development, meets the current street standards for this busy street, including width, curbs, sidewalks with planter strip, crosswalks, etc. The notice of hearing does not include Section 810 as one of the applicable review criteria. It should be reissued because of this serious shortcoming. Respponse: The present application is a minor modification to the COT Public Library project (CUP20030001). The on inal proposal addressed the provisions of Section 18.810. The final order issued by the Hearings Officer dictates in condition # 1.0 that "the applicant shall show that it is making a continuing, diligent, good faith to identify an alignment for a pedestrian/bicycle path along Fanno Creek that will not be below the elevation of an average annual flood." The present proposal fulfills this condition by defining a suitable alignment for the trail through the library property. According to Engineering staff, traffic studies are not normally required for trails, as relates to the trail right-of-way. 5. 1 don't think the buffer requirements of Section 360 are met, considering the purpose of providing buffer near this project. The beneficiaries of buffer are the small animals which live near Fanno Creek and its wetlands; without a very tight fence, the domesticated animals which accompany people will invade the area north of Fanno Creek and east of Hall Blvd. An aircraft cable barrier and plantings are proposed; it is not stated whether this is a single aircraft cable, or multiple cables strung horizontally. I suggest instead a 4-foot high chain fink fence with 4" clearance above ground, in conjunction with plantings as buffer. The point is that this is not a common buffer for human needs, but a buffer which must meet the needs of small animals, with particular needs (nesting, forage, isolation from humans) known only to experts. Because this project brings many more people near the natural features north of Fanno Creek and east of Hall, the entire east side of Hall Blvd north of Fanno Creek, to the school bus parking lot, should be protected with the above suggested buffer. The entire frontage along Fanno Creek should be protected at its buffer boundary with fencing meeting CWS standards. RP_SDnn_gP_- ThP hiiffnrinn rPnuirPmPntc inrlurlPri in 4Prtinn 3Rn hinriar 'ARn n9n dl nra nanarin nnri apply to buffering and screening between different types of land uses based on t eir zoning deslgnation. The specific buffer standards applicable to protecting natural areas, independent of the zoning or type of land use involved, are the CWS vegetated corridor standards. These are administered by CWS and are incorporated into the CWS Design Standards Manual, adopted by reference into the Tigard Development Code. The applicant has provided a CWS Service Provider Letter, dated January 2005, documenting compliance with these standards. The applicant has provided a revised letter that reflects a reduced disturbance area and less impact to existing vegetation resulting from the trail's construction than previously proposed. The proposed aircraft cable-type fence is designed to meeting FEMA requirements and includes 3 horizontal cables spaced 1 foot apart. This fence design was modeled in the no-rise report submitted by the applicant and is part of the "no-rise" certification provided by Pacific Water SLR2005-00016/MMD2005-00015 PAGE 13 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER Resources. According to City Engineering staff a very tight or chain link fence would impede flow (by retaining water-carried debris) and not eet the flod hydraulic analysis no-rise standards for a structure situated in the floodplain. 6. When performing work in wetlands, state requirements call for an alternatives analysis, which is not done in this application. I believe a feasible alternative with least impact on waters of the state is the one suggested by Brian Wegener in his recent comments to you Improvements along a Fanno Creek Trail segment which leaves the stream corridor near the Senior Center, then proceeds east along O Mara Street (some improvements to church and residential properties might be appropriate city expenditures) and crossing of Hall Blvd at a protected site (stop light, crosswalk, lighting, etc.). Response: The proposed trail alignment avoids all wetlands. 7. The notice of hearing does not identify TCDC 18.385 regarding Sensitive Land Permits as one of the applicable approval criteria; it should. Response: The purpose of chapter 385 is to identify the types of permits included in the development code. The respective criteria that apply to the identified permit types are included in the various 700 chapters. In the case of Sensitive aptly Permits, the applicable approval criteria are listed in Chapter 775, Sensitive Lands. The present proposal addresses the criteria laid out in 775. 8. The provision of viewing structures is inconsistent with maintanence of the zero-rise flood plain. The proposed structure (and existing, unpermitted structure) are perpendicular to the direction of stream flow and present an obstacle to flow and debris flowing in the stream during flood events. The viewing structures should be deleted. Response: The viewing structure referenced is not part of the present proposal. The scope of the proposal is limited to the installation of a pedestrian trail and includes no other improvements. 9. In earlier comments, I have suggested a cantilevered footbridge on the west side of the existing Hall Blvd motor bridge as an alternative for the proposed project which has less impact on natural features of the area and state waters. Your staff analysis simply says that ODOT didn't like the idea. There is no reason for such dislike for the project; Tigard should pursue this option at least to finding out the reason for ODOT dislike; perhaps there are modifications which will satisfy ODOT concerns. Response: The existing vehicular bridge includes a marked bike lane and narrow sidewalk on either side of the road. A pedestrian bridge cantilevered or free-standing adjacent to the existing vehicular bridge would provide basically the same function. It would be more of an enhancement to the sidewalk on Hall as opposed to a continuation of the trail. The Engineering Department did look at the feasibilit of a cantilevered or free-standing pedestrian bridge adjacent the vehicular bridge. It is doubtful th2the existing bridge would provide adequate support for an attached structure or would be allowed by ODOT. Moreover, although not scheduled or funded as yet, the existing ODOT-owned bridge is substandard in terms of width and height and is highly likely to be replaced by a new structure at some unspecified time in the future. Any attachments to the bridge would be removed. According to preliminary field stud , the length of a free-standing span would be in the range of 150 feet, with an estimate cost in the 300-400,000 range. This excludes the cost of acquiring private property needed to install the span. As stated elsewhere, the City would prefer that the trail continue along Fanno Creek versus the on-street alignment. The preferred alignment of the trail is the route depicted in the present proposal. Because of that, the City has not investigated this suggested on- street alternative to the trail alignment beyond an on-site meeting with ODOT to view and discuss pedestrian-friendly improvements to the Hall Boulevard bridge. 10. 1 disagree with the Fishman conclusion (re 18.330.020.B 2) that a greenway trail is not a change. from the approved use of this tract for a public library. The impact is that this change is a mayor modification rather than a minor modification and different rules and approval criteria apply. Similarly this project clearly changes access ways and parking areas where off-site traffic (eg that traffic on Hall Blvd would be affected. A dictionary meaning of words not specially defined in the Tigard code is the standard in this regard. SLR2005-00016/MMD2005-00015 PAGE 14 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER Response: As noted earlier, a final order approving the library~nditional Use application issued by the Hearings Officer dictates in condition # 10 that "the applicant shall show that it is making a continuing, diligent, good faith to identify an alignment for a pedestrian/bicycle path along Fanno Creek that will not be below the elevation of an average annual flood." The present proposal fulfills this condition by defining a suitable alignment for the trail through the library property. The applicant clearly has demonstrated by a oint by point response to the Conditional Use review criteria that the proposed project is a minor and not a major modification. 11. The proposed project does not meet the requirement for campus-like industrial uses, ie it is not pedestrian friendly, specifically the crossing of Hall Blvd is not pedestrian friendly. The project includes this crossing, as its description indicates that it connects with the existing Fanno Creek Trail on the west side of Hall Blvd. Response: Because all of the City-owned industrial land located north of the creek is classified as floodplain and wetlands, it is not suitable for light industrial development. It is, however, suitable for a greenway trail. The crossing of Hall Boulevard is addressed elsewhere in this report. 12. The project description (Fishman) states that a (future) grading plan "will enable the trail to be designed and constructed to avoid any increase in the water surface elevation of the 100-year flood". This conclusory statement purports to meet 18.775.070 B 3, but actually improperly defers an important decision to a later stage when public participation will not be available. The engineering to show no increase in water surface elevation should be done before this project is approved. Response: The required certification has been provided by the applicant in the form of a hydraulic analysis performed by Pacific Water Resources. A copy of this study, titled No-Rise Certification: Pedestrian Bnd a Crossing of Fanno Creek Below Hall Boulevard, is included in the Planning Division protect Tile and is available for public inspection. The study concludes that the "proposed project meefs the criteria for a 'no-rise' certification." 13. Since 18.790 is one of the approval criteria, a tree plan is required. All elements of the tree plan should be provided prior to the hearing. Response: This criterion is addressed within this staff report. A tree inventory portraying the types and diameter of trees within and proximate to the trail corridor is include in the project file. Only three small, approximately 2-inch diameter trees, are proposed for removal. The vegetated corridor plan approved by CWS includes the planting of 24 native, half inch diameter trees along the trail route. 14. The Fishman application for sensitive lands permit, at page 12, states that this project will result in 'reducing the risk for accidents between pedestrians and road users.' I disagree. The Fanno Creek Trail has hundreds of users each day and more pedestrian traffic crossing busy Hall Blvd will result. A traffic study by' a certified professional should be developed to determine what the traffic impact ill be. The code requirements for an impact study (18.390.040 B.2.e) include .the requirement that it "shall ropose improvements necessary to meet City standards the present submittal does not dpo such and it should. Response: This comment is responded to elsewhere in this report. August 15, 2005 PREPARED Y: Duant o s DA I E Asso 'ate anner SLR2005-00016/MMD2005-00015 PAGE 15 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER Auaust 15, 2005 A?PROVED BY: ;14 4ewdortt DAVE PlanSLR2005-00016/MMD2005-00015 PAGE 16 OF 16 FANNO CREEK TRAIL PROJECT STAFF REPORT TO THE HEARINGS OFFICER LP J I J J h► _l 1-j _ Ul CT 0 J m J l~~ J o O p Q o °o o ° O O ~ E= C=I C= o O d O O D . 17-` VI Community Development GEOGRAPHIC INFORMATION SYSTEM YIONITY M" SLR2005-0001 b IMD2005-00015 FANNO CREEK TRAIL PRO ECT N 0 100 200 - 300 400 Feet 1"= 310 feet City of Tigard information on this map is for general location only and should be verified with the Development Services Division. 13125 SW Hall Blvd Tigard, OR 97223 (503) 639-4171 httpjh~.ci.tigard.or. us Plot date: Jul 21, 2005; C:VnagicWIAGIC03.APR t4 Tigard Area Map A. NOISIAia ONINNVId aMV011 =10 A113 Ln O O O 1 rA O O [V O O O 1 Ln O O ra4/ I.fJ f/'1 H V W_ O a J tea~// ii W W V O Z Z a L& f yl I 5 I 5 I I I~ ? Shoulder rack Shoulder rock + J' asphalt , T ^n Slope=0.0200 T' I 2r 'hick 511 '-O' rock o `C-pacfed s.bVad. 7" fhrck 2'-0' rock • TYPICAL PATHWAY SECTION SCALE: 1' - 100 VnFn 1. 1_ ~ r • ~:jjlij.. •L:i:ioi~iii•`:ii~~ ')I, - ° _ ~~L`~• _ _ 1lV l•'• ,,,j / / e° ~'4/ M roar' d M'r -.'t_ 1 rip i:;: is i' ~ _ .'"lij~~ ~ • ' ~ 16' Censfrvcfbn - - ~I:!: i soaemant •yf . r llli. •L°F:`i ii i i i'i'i'i'i w 4i 1N 1 n-~r 15, / I J 1. -i.:; , ,1;'I:~I~.. .1 : ~!r'-•~ Permanent roq.t.f.d • - If Total area of path = 12,780 SF LEGEND Permanent vegetated corridor impact area = 3,004 SF Pe manenr wgefaree Watlonda corrlda MPOCfa Total construction staging area = 11,114 SF i Streams k panda Vepefofed carldar mltfgotlon Total vegetated corridor area impacted Veg.fat.d aorrdar Wen serer ..nand mrergafwn by construction = 5,435 SF (temporary impact) TemP-y - ®rog.t.t.d earldom \ Mpacfs Total vegetated corridor mitigation oleo = 3,.004 SF 1 Temporary vegetated corridor impact areas will be restored to a good condition / following completion of construction . /P"'s<<:1:e= - k. . ' PermanenT-rogsfafsd ' III : \ • j . , comldor MPact 4 I I . i area 162 SF ✓ , ' I ' 1' aid / / ,_f., a I~ ';1' .I•:.: ANVsg'b~fore 1 is •:In:ltiydf m:pE~::GgR:sr;. \ / Construction arogrn~ 7,562 SF ! ,111 - , alV..._ 1. r vegetated .-,Id- area ' MP-I.d by canst-lhn ' - 3,071 SF (femparary k conlda M ~ - Z ocf ' P / / - area - 1 751 SF - S _ J' p LA ' 100 YR FLOOD 1~ - - - OG ' - _ 1 I CPLA/y fLEV-.144' - - 11• ' I ~r - _ _'1 ! As I - _ - - i. _I1F- I it t~~''~ e r { 11111''. '11111 ~ 1_ _ 'N. ~--Lonsfrvctfm sfogNp i__-_„__.-'.: d• ~ ~ ~ - ~i ~ - ~ '~4\q Ip1 I' •7 IJh wars -4552 Sf ~_'rn v-•--arr.,:-•^ . ~ _`~li'.~ ~ ; 1~ ~ . -Vagefotsd carlda area Mpoefe0 by consfrvcff- - 2,364 SF HALL BLVD. > - - (femp-,y $375 SF O IA 0 An O ® Q 0 Enviranmenta , Services A DIVISION OF 2/36 SCA [W120K.ENTAL CONSULTANTS a)se Portlond Office 434 NW Sixth Avenue, Suite 304 Portlond, Oregon 97209 Tel 503.224.0333 Fox 503.224.1851 w .Swcoxom • Date: July 19, 2005 To: Duane Roberts, Associate Planner, Long-Range Planning, City of Tigard Dan Plaza, Parks & Facilities Division Manager, City of Tigard From: Stacy Benjamin, Senior Project Manager, Wetland/Environmental Assessments Subject: CITY OF TIGARD SENSITIVE LANDS PERMIT APPLICATION (Revised) FANNO CREEK TRAIL - TIGARD LIBRARY SEGMENT Introduction The City of Tigard is proposing to construct a new segment of the Fanno Creek Trail on the Fanno Creek Park site, located north of Fanno Creek, and on the Tigard Library site. The proposed trail alignment begins on the east side of Hall Boulevard, across from an existing trail segment behind City Hall, and extends southerly to its terminus at the north side of the proposed Phase 1 of Wall Street. A drawing showing the proposed trail alignment is attached. The proposed trail will be constructed to regional trail standards and will meet the Americans with Disabilities Act guidelines. The path will be a 10 foot wide paved asphalt path with a 1 foot gravel shoulder on each side, for a total trail width of 12 feet from edge to edge including the gravel shoulder. The trail will serve the full range of recreational users, including bike riders, skaters, pedestrians, and wheelchair users. The proposed trail segment is approximately 1,090 lineal feet and includes a 50-foot long pedestrian bridge crossing of Fanno Creek near the existing Hall Boulevard bridge over Fanno Creek. The bridge and a portion of the trail will be constructed within the 100-vear floodnlain of Fanno Creek: therefore. a Citv of Tigard Sensitive Lands Permit is required to be obtained for the project. A 50 foot vegetated corridor is required by Clean Water Services adjacent to Fanno Creek and wetlands on the trail site. A Service Provider Letter for the trail project was issued by Clean Water Services on January 24, 2005 (CWS File No. 4714). The proposed trail alignment and associated vegetated corridor impacts have been modified slightly since the Service Provider Letter was issued for the purpose of reducing vegetated corridor impacts; therefore, a modified Service Provider Letter will be obtained for the project. • A neighborhood meeting for the project was held on June 6, 2005 at the Tigard Library. The project is planned for construction in the fall/winter of 2006. Existing Site Conditions Site vegetation along the proposed trail alignment consists predominantly of non-native grasses including bentgrass, meadow foxtail, tall fescue and common velvetgrass. The stream banks of Fanno Creek are approximately 8 feet high, steeply sloped, and covered with dense Himalayan blackberry in much of the project site. The riparian corridor along Fanno Creek contains a narrow band of native shrubs and scattered trees consisting of red-osier dogwood, rose, Pacific ninebark, willow, Oregon ash, and red alder. Fishman Environmental Services (Fishman) prepared a wetland delineation and natural resource assessment report for the proposed trail project to meet Clean Water Services' requirements for site development. Fishman delineated wetlands and evaluated the condition of the vegetated corridor on the Fanno Creek Park site located north of Fanno Creek. Wetlands present on the Fanno Creek Park site consist of emergent wetlands, seasonally ponded wetlands, and a permanent open water pond. A 50 foot vegetated corridor is required adjacent to the top of bank of Fanno Creek and from all wetland boundaries. The vegetated corridor was determined to be in degraded condition according to Clean Water Services standards due to lack of vegetation cover by native species and sparse tree and shrub cover. A wetland delineation and natural resource assessment were conducted by another consultant on the portion of the trail alignment located on the library site (CWS File No. 2743). The boundaries of Pinebrook Creek-associated wetlands and 2 ponds were delineated. A 50 foot vegetated corridor is required adjacent to all wetland and pond boundaries. The vegetated corridor was determined to be in degraded condition according to Clean Water Services standards due to lack of vegetation cover by native species and sparse tree and shrub cover. The results of this previous study were incorporated into the wetland delineation and natural resource assessment report prepared by Fishman and submitted to Clean Water Services for the trail project. A copy of this report was submitted to the City under separate cover. Alternatives Analysis Alternative trail nlionmentc were evalnaterl by the City of Tioartl rlnrino the rlPCion nrnrPCC to minimize impacts of the project to natural resources. Environmental groups have raised concerns that providing trail access to the Fanno Creek Park site located north of Fanno Creek may result in human disturbance to turtle habitat. As a result, the City considered shifting the trail alignment to the west side of Hall Boulevard and incorporating a cantilevered pedestrian bridge over Fanno Creek that would be attached to the existing Hall Boulevard bridge over Fanno Creek. Since Hall Boulevard is an Oregon Department of Transportation (ODOT) facility, this bridge design would require approval by ODOT. The City met with ODOT to discuss this alternative; however; it was rejected by ODOT. Fanno Creek Trail - Tigard Library Segment - Sensitive Lands Permit Application, revised July 2005 Page 2 • 0 Fanno Creek and its associated wetlands are much wider on the west side of Hall Boulevard than on the east side of Hall Boulevard where the alignment is currently proposed. A bridge crossing of Fanno Creek west of Hall Boulevard would need to have a longer span than a bridge on the east side of Hall Boulevard and would have the potential for greater expense as well as environmental impacts if a clear-span bridge were not utilized. The alternative trail alignment on the west side of Hall Boulevard would also require obtaining right-of-way from private property owners, whereas the City already owns the land east of Hall Boulevard. A trail alignment on the west side of Hall Boulevard was rejected due to the rejection of a cantilevered bridge design by ODOT, difficulty of obtaining the necessary right-of-way from private land owners, and greater expense and potential for greater environmental impacts due to constructing a bridge across a wider section of Fanno Creek. Modifications to the trail alignment on the Fanno.Creek Park site have been made to minimize the potential for impacts to wetlands, vegetated corridors, and wildlife habitat since preliminary trail designs were initially presented in the Fanno Creek Park Master Plan Summary (Murase Associates, May 2003). All of the trail designs in the master plan extended further east into the Fanno Creek Park site than the currently proposed trail alignment. In addition, the earlier trail designs also incorporated a series of smaller side trails and boardwalks that would have provided access to the. ponds and streams on the site but would have resulted in greater natural resource impacts. The currently proposed trail alignment has been shifted closer to Hall Boulevard than initially proposed to avoid impacting wetlands on the Fanno Creek Park site and to minimize vegetated corridor impacts. The potential for the trail to result in human disturbance to wildlife habitat will be minimized by planting a dense shrub barrier along the east edge of the trail on the Fanno Creek Park site in order to discourage trail users from leaving the trail and venturing further east into the site. Additional habitat area protection is provided by the installation of a 4' high aircraft cable fence extending along the edge of both sides of the Fanno Creek Park, or northern, portion of the trail. The fence cables are strung horizontally in order to avoid any increase in flood levels. . Natural Resource Permitting Vegetated Corridor A Service Provider Letter for the trail project was issued by Clean Water Services on January 24, 2005 (CWS File No. 4714). A copy of the Service Provider Letter was submitted to the City under separate cover. The project design submitted to Clean Water Services in January 2005 included proposed impacts to 3,260 square feet of vegetated corridor due to construction of the bridge, trail, and a small viewing platform. The trail will impact vegetated corridor areas u%.wuuul~.u w be iii u~.grau~.u cvllulLtvil M+ at al VV11$1Jl Vi 11V11-11a11Ve grabb lV111111U111t1Vb. 1VV LICUN will be removed as part of the trail project. The proposed trail alignment has been modified slightly since the Service Provider Letter was issued for the purpose of further reducing vegetated corridor impacts; therefore, a modified Service Provider Letter will be obtained for the project. Currently proposed project impacts to the vegetated corridor include 3,004 square feet of permanent impact due to construction of the trail. Permanent vegetated corridor impacts will be mitigated on site at a 1:1 ratio by enhancing 3,004 square feet of the vegetated corridor on site. The mitigation area will include a 2,375 Fanno Creek Trail - Tigard Library Segment - Sensitive Lands Permit Application, revised July 2005 Page 3 0 • square feet area located west of the trail and north of Fanno Creek and a 629 square feet area located east of the trail and north of Fanno Creek. The purpose of the mitigation area located east of the trail is to create a dense shrub barrier to discourage trail users from leaving the trail and venturing further east into the site, which would potentially result in human disturbance to wildlife using the wetlands and Fanno Creek riparian area located east of the trail. Proposed impact and mitigation areas are shown on the attached trail alignment drawing. Planting specifications for the 3,004 square feet mitigation area are included at the end of this application. The project also proposes 5,435 square feet of temporary impact to the vegetated corridor due to construction staging areas adjacent to the proposed bridge crossing over Fanno Creek. Proposed temporary impact areas are shown on the attached trail alignment drawing. Staging areas have been located 25 feet from the top of bank of Fanno Creek to minimize the potential for construction-related water quality impacts to Fanno Creek. Best management practices for water quality protection of Fanno Creek include: installation of orange construction fencing to prevent staging from occurring within 25 feet of Fanno Creek; installation of sediment fencing at the top of bank of Fanno Creek; bare soil areas will be reseeded immediately upon completion of construction; erosion control measures will be maintained for the duration of construction and until vegetation cover is established. Temporarily impacted vegetated corridor areas will be rehabilitated after completion of construction to their existing condition or better by seeding and planting with native trees and shrubs. The existing condition of the temporary disturbance area on the north side of Fanno Creek is degraded, and this area consists of a non-native grass community with no tree or shrub cover. The temporary disturbance area on the south side of Fanno Creek was planted with native trees and shrubs in 2004 as part of the required vegetated corridor enhancement for the Tigard Library project. Any tree or shrub plantings that are damaged as a result of construction and staging activities will be replaced with native species included on the planting plan. Wetlands No wetland or stream impacts are proposed for the trail project; therefore, a wetland permit is not required for the project from the U.S. Army Corps of Engineers or the Oregon Department of State Lands. Delineated wetland boundaries are shown on the attached trail alignment drawing. Although no wetland impacts are associated with the trail project, impacts to the wetlands in the south portion of the library site, in close proximity to the southern extent of the proposed trail project, have been permitted for the City of Tigard's Wall Street Phase 1 project (DSL #31719- RF, Corps #200200137). Pinebrook Creek and associated wetlands and ponds are proposed to be reconfigured as wetland mitigation for the Wall Street project. Reconfigured wetland boundaries are shown in Figure 6 of the wetland delineation and natural resource assessment report prepared for the trail project. A copy of this report was submitted to the City under separate cover. Citv of Tiaard Sensitive Lands The 50-foot long bridge and a portion of the trail will be constructed within the 100-year floodplain of Fanno Creek; therefore, a City of Tigard Sensitive Lands Permit is required to be obtained for the project. The grading plan will ensure that the project does not result in any increase in the flood elevation. Excavation is proposed in the floodplain to compensate for placement of asphalt fill in the floodplain to construct the trail. Proposed excavation totals 340 Fanno Creek Trail - Tigard Library Segment - Sensitive Lands Permit Application, revised July 2005 Page 4 cubic yards. Excavated material will be disposed of off-site in an upland location to be determined during project construction and will be subject to approval by the City of Tigard. This application is being submitted to the City of Tigard pursuant to the City of Tigard's Municipal Code, Title 18.330, "Conditional Use" and Title 18.775, "Sensitive Lands" and specifically addresses the code provisions found in 18.330.20 "Approval Process", 18.775.070 "Sensitive Lands Permits", 18.775.090 "Special Provisions for Development within Locally Significant Wetlands and along the Tualatin River, Fanno Creek, Ball Creek, and South Fork of Ash Creek", and 18.390.040B.2(e) "Impact Study". Each of the City's code sections pertaining to the proposed project is addressed independently below. Excerpts from the City of Tigard Municipal Code are italicized. Narrative Demonstrating Compliance with 18.330: Conditional Use This application includes a request for a Minor Modification to CUP2003- 00001/SLR20001NAR2003-00009, the City of Tigard Public Library. The Minor. Modification approval criteria are listed below, along with a discussion of how each applies to the project under discussion. The Minor Modification approval criteria require that the Major Modification approval criteria first be addressed. 18.330.020.B 2. The Director shall -determine that a major modification(s) has resulted if one or more of the changes listed below have been proposed a. A change in land use: The proposal is to construct approximately 1,090 lineal feet of 10-foot wide greenway trail. The project includes the installation of a 50-foot long pedestrian/bicycle bridge over Fanno Creek near the existing vehicular bridge. No change in the.approved primary use of the land as a public library is proposed b. A 10% increase in dwelling unit density: This criterion is not applicable to the present proposal. No residential use is proposed. c. A change in the type and/or location of accessways and parking areas where off-site traffic would be affected: No change in the type and/or location of accessways and parking areas where off-site traffic would be affected is proposed. d. An increase in the floor area proposed for non-residential use by more than 10% where previously specified: No increase in the floor area of the library is proposed. Fanno Creek Trail - Tigard Library Segment - Sensitive Lands Permit Application, revised July 2005 Page 5 e. A reduction in the floor area proposed for non-residential use by more that. 10% of the area reserved for common open space and/or usable open space. Altogether, the library site includes some 5 plus acres of open space. Greenway trails are included in the definition of open space. The trail is a support facility to the open space. The open space on the library property is also known as the Fanno Creek Park extension. f. A reduction of specified setback requirements by more than 20%: The present proposal does not include any alteration of the existing setbacks that apply to the library site. g. An elimination of project amenities by more than 10% where previously specified, such as, Recreational facilities, Screening, or Landscaping provisions: The project is intended to serve open space users exclusively. The proposed improvements represent an enhancement to the usable open space of the new Tigard Library. h. A 10% increase in the approve density: The proposed request does not involve residential development. As such, this criterion does not apply the present proposal. 18.330.020.C. Minor modification of approved or existing conditional use. 1. Any modification which is not within the description of a major modification as provided in Subsection B above shall be considered a minor modification. As outlined above, the proposed modification does not fit within the definition of a major modification by meeting one or more of the changes listed under 18.330.020.B 2. 2. Any applicant may request approval of a minor modification by means of a Type 1 procedure, as regulated by Section 18.390.040, using approval criteria in Subsection C3 below. The City is requesting Sensitive Lands Permit approval for the trail segment along with the Conditional Use Permit annroval. Therefore- the Tvne III procedure for the- - Sensitive, for - - Lands Permit would apply to the combined application. 3. A minor modification shall be approved, approved with conditions, or denied following the Director's review based on the findings that. a. The proposed development is in compliance with all applicable requirements of this title; and Fanno Creek Trail - Tigard Library Segment - Sensitive Lands Permit Application, revised July 2005 Page 6 • As detailed id the application proposal, the proposed development meets all applicable requirements the Conditional Use title. b. The modification is not a major modification as defined in Subsection A above. As demonstrated, the proposed modification is not a major modification. 18.510 Residential Zoning District Table 18.510.1, Use Table: Residential Zones The table lists Community Recreation as a Conditional Use in all the Residential Zoning Districts. The applicable conditions are described in 18.330:050.B.5, Community Recreation and Parks. Two conditions are listed. One (5.a) refers to building setbacks from the property line. The other (5.b) says there are no off-street parking requirements, except for dog parks. Neither condition pertains to the project under discussion. 18.530 Industrial Zoning District Table 18.530.1, Use Table: Industrial Zones This table lists Community Recreation as a Conditional Use in all the Industrial zones. According to footnote '10, this use is limited to outdoor Recreation on (1.) land classified as floodplain on Cityflood maps, when the recreational use does not otherwise preclude future cut and fill as needed in order to develop adjoining industrially zoned upland. According to FEMA flood maps the industrial portion of the trail right-of-way is located entirely within the floodplain and does not adjoin any industrially zoned upland. Narrative Demonstrating Compliance with 18.775: Sensitive Lands 18.775.070 B (1). Land form alterations shall preserve or enhance the floodplain storage function and maintenance of the zero foot rise floodway shall not result in any encroachments, including fill, new construction, substantial improvements and other development unless certified by a registered professional engineer that the encroachment will not result in any increase in flood levels during the base flood discharge; The proposed trail and pedestrian bridge crossing over Fanno Creek will cross through the floodway and 100-year floodplain of Fanno Creek. The City has hired an engineering consultant to perform a floodway and floodplain study to enable the bridge to be designed and constructed to maintain the zero-foot rise floodway. Although the bridge will cross through the floodway and floodplain, the bridge design and associated grading plan will Fanno Creek Trail - Tigard Library Segment - Sensitive Lands Permit Application, revised July 2005 Page 7 ensure that the project will not result any increase in flood levels during the base flood discharge. 18.775.070 B 2. Land form alterations or developments within the 100 year floodplain shall be allowed only in areas designated as commercial or industrial on the comprehensive plan land use map, except that alterations or developments associated with community recreation uses, utilities, or public support facilities as defined in Chapter 18.120 of the Community Development Code shall be allowed in areas designated residential subject to applicable zoning standards; The proposed development is a trail for the purpose of community recreational use. The trail is a permitted use on the site, which is zoned light industrial (I-L) and medium density residential (R-12). 18.775.070 B 3. Where a land form alteration or development is permitted to occur within the f oodplain it will not result in any increase in the water surface elevation of the 100 year flood; The northern approximately 700 lineal feet of the proposed trail are located within the 100-year floodplain of Fanno Creek. The City has hired an engineering consultant to perform a floodplain study to enable the trail to be designed and constructed to avoid any increase in the water surface elevation of the 100-year flood. The grading plan will ensure that the project does not result in any increase in the flood elevation. Excavation is proposed in the floodplain to compensate for placement of asphalt fill in the floodplain to construct the trail. Proposed excavation totals 340 cubic yards. Excavated material will be disposed of off-site in an upland location to be -determined during project construction and will be subject to approval by the City of Tigard. 18.775.070 B 4. The land form alteration or development plan includes a pedestrian/bicycle pathway in accordance with the adopted pedestrian/bicycle pathway plan, unless the construction of said pathway is deemed by the Hearings Officer as untimely; The proposed development is a segment of the Fanno Creek Trail designed in accordance with the City's pedestrian/bicycle plan. 18.775.070 B 5. The plans for the pedestrian/bicycle pathway indicate that no pathway will be below the elevation of an average annual flood; The top of stream bank of Fanno Creek was delineated on the site during site development nlannina for the Citv's library and Wall Street nroiects. The ton of stream bank is defined by the Oregon Department of State Lands as the elevation of the average 2-year flood. The proposed trail and bridge deck will be located above the top of bank of Fanno Creek, and will therefore be located above the elevation of the average annual flood. 18.775.070 B 6. The necessary U. S. Army Corps of Engineers and State of Oregon Land Board, Division of State Lands, and CWS permits and approvals shall be obtained; Fanno Creek Trail - Tigard Library Segment - Sensitive Lands Permit Application, revised, July 2005 Page 8 • • The bridge will completely span Fanno Creek, and no portion of the bridge will be constructed below the top of bank of Fanno Creek. Therefore, the bridge will not result in any impacts to Fanno Creek. The trail alignment is located outside delineated wetland areas on the Fanno Creek Park site and the library site. No wetland or stream impacts are proposed; therefore, a wetland permit is not required for the project from the U.S. Army Corps of Engineers or the Oregon Department of State Lands. A Service Provider Letter has been obtained for the project from Clean Water Services. A revised Service Provider Letter is currently being applied for due to slight modifications to the trail alignment since the Service Provider Letter was issued, for the purpose of further reducing vegetated corridor impacts. 18.775.070 B 7 Where land form alterations and/or development are allowed within and adjacent to the 100 year jloodplain, the City shall require the consideration of dedication of sufficient open land area within and adjacent to the jloodplain in accordance with the comprehensive plan. This area shall include portions of a suitable elevation for the construction of a pedestrian/bicycle pathway within the jloodplain in accordance with the adopted pedestrian/bicycle pathway plan. The project is to be constructed entirely on City-owned property and will provide access to the greenway corridor along Fanno Creek on both the Fanno Creek Park site and the library site. Narrative Demonstrating Compliance with 18.775.090: Special Provisions for Development within Locally Significant Wetlands and along the Tualatin River, Fanno Creek, Ball Creek, and South Fork of Ash Creek A. In order to address the requirements of Statewide Planning Goal 5 (Natural Resources) and the safe harbor provisions of the Goal 5 administrative rule (OAR 666-023-0030) pertaining to wetlands, all wetlands classified as significant on the City of Tigard "Wetlands and Streams Corridors Map" are protected. No land form alterations or developments are allowed within or partially within a significant wetland, except as allowedlapproved pursuant to Section 18.775.130. The project does not propose any development within a significant wetland. B. In order to address the requirements of Statewide Planning Goal 5 (Natural Resources) and the safe harbor provisions of the Goal 5 administrative rule (OAR 660-023-0030) pertaining to riparian corridors. a standard setback distance or vegetated corridor area, measured horizontally from and parallel to the top of the bank, is established for the Tualatin River, Fanno Creek, Ball Creek, and the South Fork of Ash Creek. 1. The standard width for "good condition " vegetated corridors along the Tualatin River is 75 feet, unless wider in accordance with CWS "Design and Construction Standards", or modified in accordance with Section 18.775.130. If all or part of a locally significant wetland (a wetland identified as significant on Fanno Creek Trail - Tigard Library Segment - Sensitive Lands Permit Application, revised July 2005 Page 9 the City of Tigard "Wetlands and Streams Corridors Map') is located within the 75 foot setback area, the vegetated corridor is measured from the upland edge of the associated wetland. Not applicable. The site is not adjacent to the Tualatin River. 2. The standard width for "good condition " vegetated corridors along Fanno Creek, Ball Creek, and the South Fork of Ash Creek is 50 feet, unless wider in accordance with CWS "Design and Construction Standards or modified in accordance with Section 18.775.130. If all or part of a locally significant wetland (a wetland identified as significant on the City of Tigard "Wetlands and Streams Corridors Map') is located within the 50 foot setback area, the vegetated corridor is measured from the upland edge of the associated wetland. Not applicable. The vegetated corridor on the site is not in good condition. 3. The minimum width for "marginal or degraded condition" vegetated corridors along the Tualatin River, Fanno Creek, Ball Creek, and the South Fork of Ash Creek is 50% of the standard width, unless wider in accordance with CWS "Design and Construction Standards", or modified in accordance with Section 18.775.130. The vegetated corridor on the site has been determined to be in degraded condition per Clean Water Services standards. Minor vegetated corridor impacts are proposed due to construction of the trail. The minimum vegetated corridor width on the site is greater than 50% of the required width. 4. The determination of corridor condition shall be based on the Natural Resource Assessment guidelines contained in the CWS "Design and Construction Standards The determination of the vegetated corridor condition is in accordance with Clean Water Services Design and Construction Standards, Resolution and Order 904-9, March 2004. 5. The standard setback distance or vegetated corridor area applies to all development proposed on property located within or partially within the vegetated corridors, except as allowed below: a.. Roads, pedestrian or bike paths crossing the vegetated corridor from one side to the other in order to provide access to the sensitive area or across the sensitive area, as approved by the City per Section 18.775.070' and by CWS "Design and Construction Standards Fanno Creek Trail - Tigard Library Segment - Sensitive Lands Permit Application, revised July 2005 Page 10 • • The trail is an allowed use and will cross the Fanno Creek vegetated corridor to provide access between the Fanno Creek Park site and the Tigard Library. b. Utility/service provider infrastructure construction (i.e. storm, sanitary sewer, water, phone, gas, cable, etc.), if approved by the City and CWS; C. A pedestrian or bike path, not exceeding 10 feet in width and meeting the CWS "Design and Construction Standards d. Grading for the purpose of enhancing the vegetated corridor, as approved by the City and CWS; e. Measures to remove or abate hazards, nuisances, or fire and life safety violations, as approved by the regulating jurisdiction; f. Enhancement of the vegetated corridor for water quality or quantity benefits, fish, or. wildlife habitat, as approved by the City and CWS; g. Measures to repair, maintain, alter, remove, add to, or replace existing structures, roadways, driveways, utilities, accessory uses, or other developments provided they are consistent with City and CWS regulations, and do not encroach further into the vegetated corridor or sensitive area than allowed by the CWS "Design and Construction Standards. 6 Land form alterations or developments located within or partially within the Goal 5 safeharbor setback or vegetated corridor areas established for the Tualatin River, Fanno Creek, Ball Creek, and the South Fork of Ash Creek that meet the jurisdictional requirements and permit criteria of the CWS, U.S. Army Corps of Engineers, Division of State Lands, and/or other federal, state, or regional agencies, are not subject to the provisions of Section 18.775.090.B, except where the: a. Land form alterations or developments are located within or partially within a good condition vegetated corridor, as defined in Sections 18.775.090. B.1 and 18.775.090. B. 2; Not applicable. The vegetated corridor is in degraded condition. b. Land form alterations or developments are located within or partially within the minimum width area established for marginal or a degraded condition vegetated corridor, as defined in Section 18.775.090. B. 3. Not applicable. The vegetated corridor on the site is greater than the minimum required width. Fanno Creek Trail - Tigard Library Segment - Sensitive Lands Permit Application, revised July 2005 Page 11 • • These exceptions reflect instances of the greater protection of riparian corridors provided by the safe harbor provisions of the Goal S administrative rule. Narrative Addressing Chapter 18.390.040 B.2.(e): Impact Study The impacts of the proposed project on public facilities and services are addressed below. Transportation system SW Hall Boulevard, designated as a major collector, abuts the northwest edge of the proposed trail alignment. No sidewalk is present along Hall Boulevard in the section of road adjacent to the proposed trail; however, a gravel shoulder is present. Hall Boulevard is served by Tri-Met bus route number 76 (Beaverton Transit Center). The proposed trail project will not have a direct impact on the transportation system but may have a small indirect impact on road users by reducing the risk for accidents between pedestrians and road users. The proposed trail project will provide a connection to an existing section of Fanno Creek Trail located behind City Hall on the west side of Hall Boulevard. The City has requested that the Oregon Department of Transportation approve a crosswalk with a flashing light for construction on Hall Boulevard at the currently proposed trail location. ODOT has not approved this request since they would prefer a crosswalk be constructed further north of the proposed trail. Pedestrians currently cross Hall Boulevard at unsigned locations to access the Tigard Library. Construction of the new trail segment is not expected to result in an increase in the number of pedestrians crossing Hall Boulevard; however, it may encourage more pedestrians to cross at this location rather than further south near the library entrance, potentially reducing the potential for accidents between pedestrians and automobiles. In addition, the new trail segment will provide access to the library that does not require pedestrians to use the gravel shoulder of Hall Boulevard, potentially further reducing the risk of accidents. Bikeways The proposed trail will connect with an existing trail segment located behind City Hall on the west side of Hall Boulevard and will provide access to the Tigard Library and the greenway along Fanno Creek. The trail will result in improved recreational opportunities for neighborhood residents.. nrninnav cvctom The construction of the trail will result in a small increase in impervious area on the site. Stormwater runoff from the trail will flow into the vegetated corridor adjacent to Fanno Creek. The vegetated corridor located between the trail and Fanno Creek will provide some water quality treatment for runoff from the trail. No water quality treatment or detention is proposed for trail runoff since the increase in impervious surface is small, and no inputs of pollutants are anticipated since trail users will consist of pedestrians and bicycles. The trail is not expected to have a negative impact on the drainage characteristics or water quality of Fanno Creek. Fanno Creek Trail - Tigard Library Segment - Sensitive Lands Permit Application, revised July 2005 Page 12 • • Parks system The trail will provide access to the Fanno Creek Park located north of Fanno Creek, as well as the greenway along Fanno Creek on the library site. The trail will result in improved recreational opportunities for neighborhood residents. Water system No water lines are located within the project alignment; therefore, the project will: not have any impact upon the water system. The project will not result in an increase in the number of consumers of the water system. Sewer system . No sewer lines are located within the project alignment; therefore, the project will not have any impact upon the sewer system. The project will not result in an increase in the number of consumers of the sewer system. Noise impacts of the development Existing ambient noise levels in the project area are moderate due to the proximity of Hall Boulevard to the project site. Construction of the trail will result in a short-term increase in noise levels due to the presence of construction equipment. It is unlikely that the construction noise will be audible inside the library; therefore, no noise impacts to library users are anticipated. The project will not result in any long-term negative noise impacts. Regular use of the trail will have the usual low noise levels associated with similar sized recreational facilities. Narrative Demonstrating Compliance with Chapter 18.790: Tree Removal Site vegetation in the proposed trail alignment consists predominantly of non-native grasses including bentgrass, meadow foxtail, tall fescue and common velvetgrass. The stream banks of Fanno Creek are covered with dense Himalayan blackberry in much of the project site. The riparian corridor along Fanno Creek contains a narrow band of native shrubs and scattered trees consisting of red-osier dogwood, rose, Pacific ninebark, willow, Oregon ash, and red alder. No trees will be removed for the trail project; therefore, no tree mitigation is required to meet City of Tigard requirements. Proposed mitigation for Clean Water Services vegetated corridor impacts includes enhancement of 3,004 square feet of vegetated corridor located north of Fanno Creek by planting 24 native trees and 210 native shrubs. Fanno Creek Trail - Tigard Library Segment - Sensitive Lands Permit Application, revised July 2005 Page 13 Fanno Creek Trail - Tigard Library Segment Planting Specifications for the Vegetated Corridor Mitigation Area (3,004 square feet) Scientific Name Common Name Size Spacing/ Quantity Seeding Rate & Location Trees ~ I I ~ Acer macrophyllum big-leaf maple 2 gallon 10 feet on center 8 (west of trail) Pseudotsuga menziesii Douglas fir 2 gallon 10 feet on center 8 (west of trail) Quercus garryana Oregon white oak 2 gallon 10 feet on center 8 (west of trail) Shrubs Holodiscus discolor oceanspray 1 gallon 5 feet on center 40 (west of trail) Mahonia aquifolium tall Oregon grape 1 gallon 4-5 feet on center 40 (west of trail) 2 feet on center 45 (east of trail) Rosa woodsii Wood's rose 1 gallon 2 feet on center 45 (east of trail) Symphoricarpos albus snowberry 1 gallon 4-5 feet on center 40 (west of trail) Seed Mix Bromus carinatus native California seed 10 lbs pls/acre As needed for bare brome , soil areas following Elymus glaucus blue wildrye seed 10 lbs pls/acre completion of trail Festuca rubra var. rubra native red fescue seed 5 lbs pls/acre construction, Lupinus polyphyllus large-leafed lupine seed 8 lbs pls/acre including staging areas Planting Notes (per CWS Desian & Construction Standards. Aooendix D Landscape Reauirements. March 2004): 1) Himalayan blackberry is present in the vegetated corridor along Fanno Creek. Due to its proximity to Fanno Creek, mechanical control by hand consistent with Clean Water Services' Integrated Vegetation and Animal Management Guide (March 2003) is recommended to control its spread prior to installing plantings. 2) Plantings should preferably be installed between February 1 and May 1 or between October 1 and November 15. Plants may be installed at other times of the year; however, additional measures may be necessary to ensure plant survival. Irrigation or other water practices (i.e. polymer, plus watering) shall be used during the two-year maintenance period. Watering shall be provided at a rate of at least one inch per week between June 15 and October 15. 3) Plantings shall be mulched a minimum of three inches in depth and 18 inches in diameter to retain moisture and discourage weed growth around newly installed plant material. 4) Tree plantings shall be protected from wildlife damage (beaver, nutria) by installing tree-protector tubes or wire mesh cylinders around newly installed plantings. Maintenance Plan: 1) Clean Water Services requires a two-year maintenance period for vegetated corridor mitigation. The m;t;gat;nn cite ;c to ha ;ncnPntPrl nnnimlly a minimum of thrPP t;mPc rlnr;na the arnw;na cPacnn anti one time prior to onset of the growing season. Invasive species control is to be conducted as needed based upon the site inspections. 2) Clean Water Services' success criterion for vegetated corridor landscaping is 80% survival of tree and shrub plantings during the 2 years following planting. The vegetated corridor landscaping should be monitored annually in the spring or fall to assess survival of tree and shrub plantings. If any mortality is noted on the site, the factor likely to have caused mortality of plantings is to be determined and corrected if possible. If survival falls below 80% at any time during the two-year maintenance period, the plantings shall be replaced, and other corrective measures, such as additional mulching or irrigation, may need to be implemented. If replanting is necessary, the maintenance period will be extended for two years from the date of replanting. Total0ea of path = 12,780 SF LEGEND 0 Z Permanent vegetated corridor impact area = 3,004 SF Wetlands Permanent vegetated corridor impacts Total construction staging area = 11,114 SF I Streams & ponds Vegetated corridor mitigation rr Total vegetated corridor area impacted by construction = 5,435 SF Vegetated corridor hIiIiil Wall Street wetland mitigation yl 1' 5' 5' 1` (temporary impact) Temporary vegetated corridor I Shoulder rock Shoulder rock a+N~' Total vegetated corridor mitigation area = J, 0,05 4 SF impacts tip., ~ia+ ~3" asphalt F A yi Slope=0.0200 1' J r l ~ Temporary vegetated corridor impact areas will be restored to a good condition F following completion of construction ti Compacted subgrode 4" thick 314 '-0" rock over 7' thick 2~-0' rock - \ _ TYPICAL PATHWAY SECTION 11 1 1:~ NIL ' . ' . ' Permonen~~sgetoted ' .I r 1 SCALE: 1' = 100 area impact I'M M ~o roc U~ :i . area = 162 SF , ' ' I I ' I CVO gill _ . . " r~~ ~ i ~ 'rl~ I o . ~s lt~l0 . 'k-' I \ 41 f i / • • %'ll Alri6ed wh r•:% ~J l•: / ° air romp 16' Construction \ { ' ° ~r easement 1, . M:i ' ~I t71: i Permanent vegetated 1~ I { ~ (t corridor impact { e . ~i area 1.754 SF . e 1 7 6 ,'~(I. I'~;I~~I• .E it r ,1'~ ~J-°\ ,3, 1:;:;: •:t il~ Iir~11ill . ':11;:,:~ (I ~,1 ? P Ma ~f jy7y~ 61 ~ ~ ~ 1 ' . p! J ,{~;:II ii{ii; lJ ih~lrti""Gon~.area~=.: ti 1~ > i • ~ ~ ~ .100 YR ROOD ~igri'+dor;bripoct:: ~ P EiEV=144 , lil i ~ • ~ I :area I T I J• '•I i. I : Lj cti0+i~: I' A E eosemeni j' ,1 a /i, ®r ;llllli 1111' I a.M. i X Y. s~ o v F? t I~ i' I I ,Hs A 2' "~`D Construction staging i . y„i area J.552 SF u njfj~.. L. . ' IF T,i Construction sragin / `-Vegetated corridor area impacted area = 7,562 SF~~\ \ by construction = 2,364 SF Z - - y (temporary impact) F~ - _ S • S t Vegetoted corridor 411, - Vegetated corridor area mitigation area = 2,375 SF _ r impacted by construction !A} = 3,071 SF (temporary impoct) I ~I 08/15/2005 16:52 5032241851 y' e C1eanWater Services Our commitment is clear. PAGE 02 Recelved File Number AUG 15.7005 4714 SWCA Portland Clean Water Services AMENDED Service Provider Letter Jurisdiction Tigard Date January _ 25, 2004 Map & Tax Lot 2s102DA00600, 2s102DD00100 Owner C:dy of Tigard Site Address E of SW Hall Blvd and N & S Contact Stacy Benjamin, Fishman Env. Serv. Of Fanno Creek. Address 434 NW Ir Ave Ste 304 Tigard, OR Portland, OR 97209 Proposed Activity Trail Phone 503-224-0333X230 This form and the attached conditions will serve as your Service Provider Letter in accordance with Clean Water Services Design and Construction Standards (R&O 04-9). YES NO I I YES ( NO Natural Resources Assessment (NRA) Alternatives Analysis Required Submitted (Section 3.02.6) District Site Visit ® El Tier 1 Alternatives Analysis ILS/sl, Date- 120105 Concur with NRAlor submitted information Sensitive Area Present On-Site Sensitive Area Present Off-Site Vegetated Corridor Present On-Site Width of Vegetated Corridor (feet) Condition of Vegetated Corridor Enhancement Required Encroachment into Vegetated Corridor (Section 3.02.4) Type and Square Footage of Encroachment Allowed Use (Section 3.02.4) ® 11 Tier 2 Alternatives Analysis E ® Tier 3 Alternatives Analysis 0 'V\ I LLNJ ❑ Vegetated Corridor Averaging ❑ 11 1 LES, ® ❑ Vegetated Corridor Mitigation Required ® ❑ 50 FT On-Site Mitigation 3,004 SF Degraded Off-Site Mitigation LJ ® Planting Plan Attached n L_I Enhancement/restoration completion date Concurrent with site development Pathway 3,004 SF Geotechnical Report required ❑ Z Path Conditions Attached This Service Provider Letter does NOT eliminate the need to evaluate and protect water quality sensitive areas if they are subsequently discovered on your property. Page 1 of 4 08/15/2005 16:52 5032241851 • PAGE 03 File Number 4714 In order to comply with Clears Water Services (the District) water quality protection requirements the project must comply with the following conditions: No structures, development, construction activities, gardens, lawns, application of chemicals, uncontained areas of hazardous materials as defined by Oregon Department of Environmental Quality, pet wastes, dumping of materials of any kind, or other activities shall be permitted within the sensitive area which may negatively impact water quality, except those allowed by Section 3.02.3. 2. No structures, development, construction activities, gardens, lawns, application of chemicals, uncontained areas of hazardous materials as defined by Oregon Department of Environmental Quality, pet wastes, dumping of materials of any kind, or other activities shall be permitted within the vegetated corridor which may negatively impact water quality, except those allowed by Section 3.02.4. Pathway allowed by this SPL. 3. Prior to any site clearing, grading or construction the vegetated corridor and water quality sensitive areas shall be surveyed, staked, and temporarily fenced per approved plan. During construction the vegetated corridor shall remain fenced and undisturbed except as allowed by Section 3.02.5 and per approved plans. 4. Prior to any activity within the sensitive area, the applicant shall gain authorization for the project from the Oregon Division of State Lands (DSL) and US Army Corps of Engineers (USACE). The applicant shall provide the District with copies of all DSL and USACE project authorization permits. 5. An approved Oregon Department of Forestry Notification is required for one or more trees harvested for sale, trade, or barter, on any non-federal lands within the State of Oregon. 6. Appropriate Best Management Practices (BUIP's) for Erosion Control, in accordance with the CWS Erosion Control Technical Guidance Manual shall be used prior to, during, and following earth disturbing activities. 7. Prior to construction, a Stormwater Connection Permit from the District or its designee is required pursuant to Ordinance 27, Section 4.8. 8. The District or City/County may require an easement over the vegetated corridor conveying storm, surface water management, and/or sanitary sewer rights to the District or City that would prevent the owner of the vegetated corridor from activities and uses inconsistent with the purpose of the corridor and any easements therein. 9. Activities located within the 100-year floodplain shall comply with Section 3.13 of R&O 04-9. 10. Removal of native, woody vegetation shall be limited to the greatest extent practicable. 11. Removal of invasive non-native species by hand is required in all vegetated corridors rated 'good". Replanting is required in any cleared areas larger than 25 square feet. 12. Should final development plans differ significantly from those submitted for review by the District, the applicant shall provide updated drawings, and If necessary, obtain a revised Service Provider Letter. Page 2 of 4 PAUL n4 08/15/2005 16,52 5032241851 Pile Number 4714 SPECIAL CONDITIONS 13. The vegetated corrldor width for sensitive areas within the project site shall be a minimum of 50 feet wide, as measured horizontally from the delineated boundary of the sensitive area. 14. For vegetated corridors 50 feet wide or greater, the first 50 feet closest to the sensitive area shall be equal to or better than a'good° corridor condition as defined in Section 3.02.7, Table 3.2. 15. Clean Water Services shall be notified 72 hours prior to the start and completion of enhancementlrestorahon activities. Enhancement/restoratlon activities shall comply with the guidelines provided in Landscape Requirements (R&0 04-9; Appendix D). 16. Prior to Installation of plant materials, all invasive vegetation within the vegetated corridor shall be removed. During removal of invasive vegetation care shall be taken to minimize impacts to existing native trees and shrub species. 17. Enhancement/resioration of the vegetated corridor shall be provided in accordance with the attached planting plan and R&O 04-9, Appendix D. 18. Prior to any site clearing, grading or construction, the applicant shall provide.the District with the required vegetated corridor enhancement/restoration plan in compliance with R&O 04-9. 19. Maintenance and monitoring requirements shalt comply with Section 2.11.2 of R&O 04-9. If at any time during the warranty period the landscaping falls below the 80% survival level, the Owner shall reinstall all deficient planting at the next appropriate planting opportunity and the two year maintenance period shall begin again from the date of replanting. 20. Performance assurances for the vegetated corridor shall comply with Section 2.06.2, Table 2-1 and Section 2. 10, Table 2-2. 21. For any developments, which create multiple parcels or lots intended forseparate ownership, the District shall require that the vegetated corridor and the sensitive area be contained in a separate tract. The tract plat shall include language protecting the vegetated corridor and sensitive areas. 22. The water quality swale and detention pond shall be planted with District approved native species, and designed to blend into the natural surroundings. CONDITIONS TO BE INCLUDED ON CONSTRUCTION PLANS 23. Final constructlon plans shall include landscape plans. Plans shall include in the details a description of the methods for removal and control of exotic species, location, distribution, condition and size of plantings, existing plants and trees to be preserved, and installation methods for plant materials. Plantings shall be tagged for dormant season identification. Tags to remain on plant material after planting for monitoring purposes. Page 3 of 4 08/15/2005 16:52 5032241851 PAGE 05 File Number 4'14 24. A Maintenance Plan shall be included on final plans including methods, responsible`party contact information, and dates (minimum two times per year, by June 1 and September 10). 25. Final construction plans shall clearly depict the location and dimensions of the sensitive area and the vegetated corridor (indicating good, marginal, or degraded condition). Sensitive area boundaries shall be marked in the field. 26. Protection of the vegetated corridors and associated sensitive areas shall be provided by the installation of permanent fencing and signage between the development and the outer limits of the vegetated corridors. Fencing details to be included on final construction plans. This Service Provider Letter is not valid unless CWS-approved site plan is attached. Please call (503) 681-5106 with any questions. Damon W. Reische Environmental Plan Review Attachments (1) Page 4 of 4 6 ' oc r U N CS) T CS 4ECEN0 Ln Total area Of Fa(A p 17,780 SF I, -ct z -sae[ Mraattrm peat vegetated crLr►(dat tmpoct area = .7 004 S{ Total construction slogrng area - a 6m SF ® mw" a pow ~ %gW* l Califs MAWSM s LTI N Total Negefoled corridor mrligollan mrea ~ J.004 5F ED ~°ri° `'0nb0r 0 ow 2"m W.~ mawme awm '~..~.f ` ( Applnved y`a~, $Y uJ Q Qd~8 , .Uf..s ew i ) 1 - UI eldf Jj/. =0^ r•d .r tmOa:rd wdp°e• . ~ • • ' ~ I f t--' s' asa r-o-,ue 7• N, A,C ~ ~ _ ~ gyn.".. a.aa. r / ~ r / enoy..c~a ffiICAL PATNIPAY SEf:71f~N 1 l ~ tin Plin PLAN aEWrw r a _ _ r,- b INS jr aY I.bO Sr - N - CD Q) Receives! File Number Oca- Vllater Services FEB 111005 Our commitment is clear. SWCA Portlano Clean Water Services Service Provider Letter Jurisdiction Tigard Date January 25, 2004 Map & Tax Lot 2s102DA00600, 2s102DD00100 Owner City of Tigard Site Address E of SW Hall Blvd and N & S Contact Stacy Benjamin, Fishman Env. serv. Of Fanno Creek. Address 434 NW 6' Ave Ste 304 Tigard, OR Portland, OR 97209 Proposed Activity Trail Phone 503-224-0333X230 This form and the attached conditions will serve as your Service Provider Letter in accordance with Clean Water Services Design and Construction Standards (R&O 04-9). YES NO YES NO Natural Resources Assessment (NRA) ® Alternatives Analysis Required Submitted. (Section 3.02.6) District Site Visit ® F-I Tier 1 Altematives Analysis F1 Date: 1/20/05 Concur with NRA/or ® Tier 2 Alternatives Analysis submitted information Sensitive Area Present On-Site ® Tier 3 Alternatives Analysis El VIIJ Sensitive Area Present ® ❑ Vegetated Corridor ❑ Off-Site Averaging Vegetated Corridor ® ❑ Vegetated Corridor Present On-Site Mitigation Required Width of Vegetated Corridor (feet) 50 FT On-Site Mitigation 4.o1OSF Condition of Vegetated Degraded Off-Site Mitigation Corridor Enhancement Required ® j Planting Plan Attached El Draft m included Encroachment into Vegetated Corridor ®patn ~ Enhancement/restoration TBD (Section 3.02.4) i and viewing platform completion date Type and Square Footage 3,260 SF Geotechnical Report ❑ of Encroachment required Allowed Use (Section 3.02.4) ® path Conditions Attached ® ❑ This Service Provider Letter does NOT eliminate the need to evaluate and protect water quality sensitive areas if they are subsequently discovered on your Page 1 of 4 • File Number In order to comply with Clean Water Services (the District) water quality protection requirements the project must comply with the following conditions: No structures, development, construction activities, gardens, lawns, application of chemicals, uncontained areas of hazardous materials as defined by Oregon Department of Environmental Quality, pet wastes, dumping of materials of any kind, or other activities shall be permitted within the sensitive area which may negatively impact water quality, except those allowed by Section 3.02.3. No structures, development, construction activities, gardens, lawns, application of chemicals, uncontained areas of hazardous materials as defined by Oregon Department of Environmental Quality, pet wastes, dumping of materials of any kind, or other activities shall be permitted within the vegetated corridor which may negatively impact water quality, except those allowed by . Section 3.02.4. Path and viewing platform allowed by this SPL. The viewing platform shall be placed within the buffer so as to minimize native plants and tree removal. Prior to any site clearing, grading or construction the vegetated corridor and water quality sensitive areas shall be surveyed, staked, and temporarily fenced per approved plan. During construction the vegetated corridor shall remain fenced and undisturbed except as allowed by Section 3.02.5 and per approved plans. 4. Prior to any activity within the sensitive area, the applicant shall gain authorization for the project from the Oregon Division of State Lands (DSL) and US Army Corps of Engineers (USACE). The applicant shall provide the District with copies of all DSL and USACE project authorization permits. An approved Oregon Department of Forestry Notification is required for one or more trees harvested for sale, trade, or barter, on any non-federal lands within the State of Oregon. Appropriate Best Management Practices (BMP's) for Erosion Control, in accordance with the CWS Erosion Control Technical Guidance Manual shall be used prior to, during, and following earth disturbing activities. Prior to construction, a Stormwater Connection Permit from the District or its designee is required pursuant to Ordinance 27, Section 4.B. 8. The District or City/County may require an easement over the vegetated corridor conveying storm, surface water management, and/or sanitary sewer rights to the District or City that would prevent the owner of the vegetated corridor from activities and uses inconsistent with the purpose of the corridor and any easements' therein. 9. Activities located within the 100-year floodplain shall comply with Section 3.13 of R&O 04-9. 10. Removal of native, woody vegetation shall be limited to the greatest extent practicable. 11. Removal of invasive non-native species by hand is required in all vegetated corridors rated "good". Replanting is required in any cleared areas larger than 25 square feet. 12. Should final development plans differ significantly from those submitted for review by the District, the applicant shall provide updated drawings, and if necessary, obtain a revised Service Provider Letter. Page 2 of 4 • • File Number SPECIAL CONDITIONS 13. The vegetated corridor width for sensitive areas within the project site shall be a minimum of 50 feet wide, as measured horizontally from the delineated boundary of the sensitive area. 14. For vegetated corridors 50 feet wide or greater, the first 50 feet closest to the sensitive area shall be equal to or better than a "good" corridor condition as defined in Section 3.02.7, Table 3.2. 15. Clean Water Services shall be notified 72 hours prior to the start and completion of enhancement/restoration activities. Enhancement/restoration activities shall comply with the guidelines provided in Landscape Requirements (R&0 04-9: Appendix D). 16. Prior to installation of plant materials, all invasive vegetation within the vegetated corridor shall be removed. During removal of invasive vegetation care shall be taken to minimize impacts to existing native trees and shrub species. 17. Enhancement/restoration of the vegetated corridor shall be provided in accordance with the attached planting plan and R&O 04-9, Appendix D. 18. Prior to any site clearing, grading or construction, the applicant shall provide the District with the required vegetated corridor enhancement/restoration plan in compliance with R&O 04-9. 19. Maintenance and monitoring requirements shall comply with Section 2.11.2 of R&O 04-9. If at any time during the warranty period the landscaping falls below the 80% survival level, the Owner shall reinstall all deficient planting at the next appropriate planting opportunity and the two year maintenance period shall begin again from the date of replanting. 20. Performance assurances for the vegetated corridor shall comply with Section 2.06.2, Table 2-1 and Section 2.10, Table 2-2. 21. For any developments, which create multiple parcels or lots intended for separate ownership, the District shall require that the vegetated corridor and the sensitive area be contained in a separate tract. The tract plat shall include language protecting the vegetated corridor and sensitive areas. 22. The water quality swale and detention pond shall be planted with District approved native species, and designed to blend into the natural surroundings. CONDITIONS TO BE INCLUDED ON CONSTRUCTION PLANS 23. Final construction plans shall include landscape Dlans. Plans shall include in the details a description of the methods for removal and control of exotic species, location, distribution, condition and size of plantings, existing plants and trees to be preserved, and installation methods for plant materials. Plantings shall be tagged for dormant season identification. Tags to remain on plant material after planting for monitoring purposes. 24. A Maintenance Plan shall be included on final plans including methods, responsible party contact information, and dates (minimum two times per year, by June 1 and September 30). 25. Final construction plans shall clearly depict the location and dimensions of the sensitive area and the vegetated corridor (indicating good, marginal, or degraded condition). Sensitive area boundaries shall be marked in the field. Page 3of4 • • File Number 1 26. Protection of the vegetated corridors and associated sensitive areas shall be provided by the installation of permanent fencing and signage between the development and the outer limits of the vegetated corridors. Fencing details to be included on final construction plans. This Service Provider Letter is not valid unless CWS-approved site plan is attached. Please call (503) 681-5157 with any questions. Astrid Dragoy Environmental Plan Review Attachments (2) Page 4 of 4 .~A Trail - 1N anno GGaa i _ _a .luting Specifications for the Ve&ted Conic Scientific Name Common Name Trees Acer macrophyllum big-leaf maple Pseudotsuga menziesii Douglas fir ' Quercus garryana ( Oregon white oak Shrubs Holodiscus discolor Ribes sanguineum Symphoricarpos al bus Seed Mix Bromus carinatus Elymus glaucus Festuca rubra var. rubra Lupinus polyphyllus for Enhancement Area (4,0quaze feet): I Size Spacing/SeeT6g Rate Quantity j 2 gallon 10 feet on center 15 2 gallon 10 feet on center 15 2 gallon 10 feet on center 10 oceanspray 1 gallon 4-5 feet on center 1 70 red flowering 1 gallon 4-5 feet on center 70 currant snowberry 1 gallon 4-5 feet on center 1 70 native California seed 10 lbs pls/acre As needed for bare brome soil areas >25 sq. blue wildrye + seed 101bs pls/acre & following native red fescue seed ( 5 lbs pls/acre invasive species large-leafed lupine seed , 8 lbs pls/acre removal Planting Notes (per CWS Design & Construction Standards, Appendix D Landscave Requirements, March 20041: 1) Himalayan blackberry is present in the vegetated corridor along Fanno Creek. Due to its proximity to Fanno Creek, mechanical control by hand consistent with Clean Water Services' Integrated Vegetation and Animal Management Guide (March 2003) is recommended to control its spread prior to installing plantings. 2) Plantings should preferably be installed between February 1 and May 1 or between October 1 and November 15. Plants may be installed at other times of the year, however, additional measures may be necessary to ensure plant survival. Irrigation or other water practices (i.e. polymer, plus watering) shall be used during the two-year maintenance period. Watering shall be provided at a rate of at least one inch per week between June 15 and October 15. 3) Plantings shall be mulched a minimum of three inches in depth and 18 inches in diameter to retain moisture and discourage weed growth around newly installed plant material. 4) Tree plantings shall be protected from wildlife damage (beaver, nutria) by installing tree-protector tubes or wire mesh cylinders around newly installed plantings. Maintenance Plan: 1) Clean Water Services requires a two-year maintenance period for vegetated corridor mitigation. The mitigation site is to be inspected annually, a minimum of three times during the growing season and one time prior to onset of the growing season. Invasive species control is to be conducted as needed based upon the site inspections. 2) Clean Water Services' success criterion for vegetated corridor landscaping is 80% survival of tree and shrub plantings during the 2 years following planting. The vegetated corridor landscaping should be monitored annually in the spring or fall to assess survival of tree and shrub plantings. If any mortality is noted on the site, the factor likely to have caused mortality of plantings is to be determined and corrected if possible. If survival falls below 80% at any time during the two-year maintenance period, the plantings shall be replaced, and other corrective measures, such as additional mulching or irrigation, may need to be implemented. If replanting is necessary, the maintenance period will be extended qymv e~rs~c~mlllg date of replanting. ApwuveO I of 1 Fishman/SWCA Project 8352-199 Clears Water services Page By - Date. MASTER PLAN OF *NO CREEK TRAIL SECMEN ON FANNO CREEK RK SITE AND TIGARD LIBPAR I TE i not for construction I uCco f't N .cn LEGEND .7 KE-7ZAND 1, , r C I ! Oq~A ~Q C"1 VEGETATED :CRRRIDGR 6 U EC6 - 7 = U t~J G~ o: Af•./I• \ . PROPOSED TRAIL Cjr_r c~.CT a Ste, PROPOSED %.4A/L V GETATED P IMPACT p.i PROPOSED : £GETA TED CORRIDOR 6:71GA77ON ,1iP.l.P'Y,D ; ® WALL STREET PROJECT KVLAND MIRGARGN v 1 Cd'• SCALE 1". 100' r. . ` ~G y ! FANNO DCgCE ARE• i!3 I Tr t~ 4 P Lt - Clean "NI-', By i Z 1 S r1.~i • ~v III I ~ I ~ WAIL ST. PROECT I 1 e '•i •rc1 ' , • . '6FOFTA IED 4,...w •i1 I .AeDOAIApV AR(1 ! 11 ~ I.1~' I - ' vu`s."~ l i i m 1 o NEW TIIGARD UBRARY eC,.`: ii Z Z • o`j . \a i I, l4\\ \ `L • ~ ~ ~~.1 ` »at s,: PROLCT f i- W P "E, AND ul GA ON AREA I I 'J ;X15 DNG AE7L~.YGS I I DOR [O / • • • • • • • / O 4A AND VrGETA 7 CORRIDOR 1 i I 1 5 (D.EO 76 D@ C171 OF DGARDJ • I I 1 'T~1~ I •11111 Ilfl b r::~r i ~ljttf \ lEXISTING FANNO Figure 6. Proposed to CREEK TRAIL Vegeti,:~_c 1 SEGMENT Impacts & Mitigation FAN POINTC CONO MI O\ I I i ~ i ~ I Iy) I A 1) r v ' SWCA ENVIRONMENTAL CONSULTANTS Fanno Creek Trail Fanno Creek Park and Tigard Library Segment Wetland Delineation and Natural Resource Assessment T2S, R1W, SECTION 2, SE TAX LOT 600 WASHINGTON COUNTY, OREGON Prepared for, Daniel Plaza, Parks Manager City of Tigard, Public Works 13125 SW Hall Blvd. Tigard, OR 97223 and Duane Roberts, Associate Planner City of Tigard, Long Range Planning 13125 SW Hall Blvd. Tigard, OR 97223 Prepared by. Stacy Benjamin Fishman Environmental Services A Division of SWCA Environmental Consultants 434 NW 6th Avenue, Suite 304 0^s41-%r% A f1rnnnn Q77111011.3652 • TABLE OF CONTENTS • WETLAND DELINEATION SUMMARY 1 1 INTRODUCTION AND BACKGROUND INFORMATION 2 1.1 Study Area Boundary ...............................................2 1.2 Local Wetlands Inventory 3 1.3 National Wetlands Inventory 3 1.4 Soil Survey .......................................................3 1.5 Site Elevation and Topography 3 1.6 Floodplain ........................................:..............3 1.7 Precipitation 3 2 METHODOLOGY 4 3 SITE CONDITIONS 5 3.1 Wetlands ........................................................6 3.2 Uplands .........................................................8 3.3 Vegetated Corridor Condition Assessment 8 3.4 Vegetated Corridor Impacts & Mitigation 9 4 CONCLUSION ........................................................10 5 LIMITATIONS ..........11 6 LIST OF PREPARERS 11 7 REFERENCES ........................................................13 APPENDICES ...............................................................20 Appendix A: Local Wetlands Inventory Map & Summary Sheets Appendix B: Wetland Determination Data Sheets Appendix C: Vegetated Corridor Condition Assessment Data Sheets & Enhancement Plan Appendix D: Site Photographs Appendix E: Vegetation Table of the Fanno Creek Park Site LIST OF FIGURES FIGURE 1. SITE LOCATION MAP 14 FIGURE 2. STUDY AREA BOUNDARY MAP 15 FIGURE 3. NATIONAL WETLANDS INVENTORY MAP 16 FIGURE 4. SOIL SURVEY MAP 17 FIGURE 5. WETLAND BOUNDARY MAP 18 FIGURE 6. VEGETATED CORRIDOR MAP 19 Fishman/SWCA Project 8352-199 Page i • • WETLAND DELINEATION SUMMARY SITE NAME: Fanno Creek Trail, Fanno Creek Park & Tigard Library Segment SITE LOCATION: The Fanno Creek Park site is located east of SW Hall Boulevard, south of the Southern Pacific railroad tracks and north of Fanno Creek. The new Tigard Library is located east of SW Hall Boulevard and south of Fanno Creek in Tigard, Oregon. T2S, R1 W, Section 2, SE 1/4, Tax lot 2S 102DA 600 APPLICANT: Daniel Plaza, Parks Manager, City of Tigard Public Works Department AGENT: Stacy Benjamin, Fishman Environmental Services DATE OF SITE VISITS: August 12, September 22, October 28, & December 3, 2003 PROJECT STAFF: Stacy Benjamin, Senior Project Manager Mark Vlahakis, Soil Scientist C. Mirth Walker, PWS, Wetlands Program Manager PROJECT: 8352-199 SUMMARY Fishman Environmental Services, a division of S WCA Environmental Consultants (Fishman/S WCA), conducted a natural resource assessment to meet Clean Water Services' requirements for the proposed construction of a new segment ofthe Fanno Creek Trail on the Fanno Creek Park site and the new Tigard Library site. Fishman conducted a wetland delineation and a vegetated corridor condition assessment on the portion of the Fanno Creek Park site located north of Fanno Creek and south of an unnamed tributary to Fanno Creek. Fishman delineated 1.55 acres of emergent wetland and permanent pond on the Fanno Creek Park site. The vegetated corridors on the Fanno Creek Park site consisted of three vegetated corridor communities that were determined to be in degraded condition and will require enhancement as part of site development. A wetland delineation and natural resource assessment were previously conducted on the new Tigard Library site located south of Fanno Creek by Kurahashi & Associates in 2002 (DSL WD #2002-0324). Fishman has incorporated the results of Kurahashi's investigations into our evaluation of proposed vegetated corridor impacts. This report has been prepared to meet Clean Water Services natural resource assessment requirements and the Oregon Department of State Lands May 21, 2004 wetland delineation report requirements. Fishman/SWCA Project 8352-199 . Page 1 • • Fanno Creek Trail, Fanno Creek Park & Tigard Library Segment Wetland Delineation & Vegetated Corridor Assessment January 2005 1 INTRODUCTION AND BACKGROUND INFORMATION At the request of the City of Tigard, Fishman prepared a natural resource assessment to determine the locations of wetlands and vegetated corridors on the Fanno Creek Park site located north of Fanno Creek (Figure 1). Fishman also assisted with determining the proposed Fanno Creek Trail alignment on the Fanno Creek Park site and the new Tigard Library site to minimize impacts to vegetated corridors and prepared a mitigation plan to compensate for unavoidable vegetated corridor impacts due to trail construction. The proposed trail alignment will begin on the east side of SW Hall Boulevard across from an existing section of the Fanno Creek Trail. A tributary to Fanno Creek flows east through the north portion of the Fanno Creek Park site and then flows southerly near the east property boundary. Fanno Creek flows east through the central portion of the site and then flows southerly along the east edge of the library site. Fanno Creek Park will be managed as a natural environment for passive uses and will include open space, trails, a viewing platform, interpretive center, and small parking lot. The new segment of the Fanno Creek Trail will connect with an existing trail segment located west of Hall Boulevard and an existing trail segment located south of the new Tigard Library site and the proposed Wall Street on the Fanno Pointe Condominiums site. 1.1 Study Area Boundary The tax lot map of the site is shown in Figure 2. The study area boundary for the wetland delineation and vegetated corridor condition assessment is also shown in Figure 2. The study area was located east of SW Hall Boulevard, north of Fanno Creek, and south and west of an unnamed tributary to Fanno Creek. Since Fanno Creek and the tributary were not shown on the tax lot map, we have added the approximate locations of these waters by hand. 1.2 Local Wetlands Inventory Wetlands were mapped on the Fanno Creek Park site in the City of Tigard Local Wetlands Inventory (LWI), which was conducted by Fishman Environmental Services in 1995. The site is contained within Fanno Creek Unit 7, and four wetland areas were mapped on the site. Wetlands associated with Fanno Creek are mapped in the east portion of the site (Unit E-20) and extend off-site to the east. Three small wetlands (Units E-14, E-15 and E-16) are mapped north of Fanno Creek. Wetlands in Unit 7 were determined to be locally significant based upon rating high for wildlife habitat, fish habitat, water quality and hydrologic control functions. The LWI map and summary sheet are included in Appendix A. Based upon our field investigation, Unit E-14 appears to be a seasonally saturated or shallowly ponded area located in the west portion of the South Wetland delineated on the site. Unit E-15 is located in the vicinity of the Fanno Creek tributary in the north portion of the site. Unit E-16 is the permanent pond contained within the delineated South Wetland. Fishman/SWCA Project 8352-199 Page 2 • • Fanno Creek Trail, Fanno Creek Park & Tigard Library Segment Wetland Delineation & Vegetated Corridor Assessment January 2005 1.3 National Wetlands Inventory Fanno Creek is mapped as riverine, upper perennial, open water with an intermittently exposed/permanent water regime (R3O WZ) on the Beaverton, Oregon National Wetlands Inventory (NWI) map (Figure 3). No other. wetlands are mapped on the Fanno Creek Park site. 1.4 Soil Survey Soils were mapped on the Fanno Creek Park site by the USDA Soil Conservation Service in the Soil Survey of Washington County, Oregon (USDA SCS 1982; Figure 4). The northern portion of the site is mapped as the somewhat poorly drained Aloha silt loam (Unit 1) that formed in alluvium or lacustrine silt on broad valley terraces. The central portion of the site is mapped as the poorly drained Verboort silty clay loam (Unit 42) that formed in stratified, moderately fine textured and fine textured alluvium on bottom lands. The slope of all three units is 0 to 3 percent. The southern portion of the site is mapped as the moderately well-drained McBee silty clay loam (Unit 30) that formed in alluvium on floodplains. Verboort soils are listed as hydric on the Hydric Soils in Washington CountyArea, Oregon list (USDA SCS 1989). Aloha soils may have hydric Huberly inclusions, and McBee soils may have hydric Cove and Wapato inclusions. 1.5 Site Elevation and Topography Topography of the Fanno Creek Park site is relatively flat and ranges from approximately 136 to 139 feet above sea level (DeHaas & Associates topographic survey, Figure 5). Steep approximately 8 foot banks slope down to Fanno Creek. 1.6 Floodplain The 100-year floodplain is mapped on Figure 6. The portion of Fanno Creek Park located north of Fanno Creek is entirely within the Clean Water Services revised 100-year floodplain (Clean Water Services 2003). The portion ofthe Fanno Creek Park located south ofFanno Creek is partially within the floodplain. The southern section ofthe trail alignment located immediately east of the library is located outside the floodplain. 1.7 Precipitation According to the Oregon Climate Service (http://www.ocs.oregonstate.edu/index.html), rainfall at the Portland KGW-TV rain gage station was 0.05 inch during the two weeks prior to the August 12, 2003 site visit during which the wetland delineation field work was conducted. There was only a trace amount of rainfall for the month of July. On August 12, 2003, rainfall since October 1, 2002 was 39.55 inches, 1.10 inches below normal for the water year to date. (97% of normal). Rainfall for the two weeks prior to the December 3, 2003 site visit during which wetland hydrology was rechecked was 2.99 inches. Rainfall for the water year to date (October 1, 2003 through December 2, 2003) was 8.25 inches (81% of normal). Fishman/SWCA Project 8352-199 Page 3 • 2 METHODOLOGY • Fanno Creek Trail, Fanno Creek Park & Tigard Library Segment Wetland Delineation & Vegetated Corridor Assessment January 2005 The methods used for determining the presence of wetlands and delineating wetland boundaries follow the routine plant community methodology of the Army Corps ofEngineers Wetlands Delineation Manual (Environmental Laboratory, 1987) used by both the Corps and the Oregon Department of State Lands. Wetland delineation field work was conducted on August 12, 2003. Soils, vegetation, and indicators of hydrology were recorded at 15 sample plot locations to document site conditions. The wetland boundary was marked with orange "WETLAND BOUNDARY" flagging tied to vegetation (tall grass or blackberry). Sample plot locations were marked with pink flagging tied to lath stakes. Wetland boundaries were professionally land surveyed by DeHaas & Associates. Wetland boundaries and sample plot locations are shown on Figure 5. Wetland determination data sheets are included in Appendix B. The site was revisited on September 3, October 28, & December 3, 2003 to confirm the presence of wetland hydrology. The condition of the vegetated corridor adjacent to the wetland boundaries was evaluated on December 3, 2003. The vegetated corridor sample plot locations and the vegetated corridor setbacks are shown on Figure 6. The vegetated corridor condition assessment data sheets are included in Appendix C. Site photographs are included in Appendix D. Vegetation noted on the site is listed in Appendix E. Reference material used in this study included Reed's National List of Plant Species that Occur in Wetlands: Northwest (Region 9) and the 1993 Supplement to this list, where the indicator status of wetland plants are listed. These indicators include: OBL Obligate wetland (almost always occur in wetlands) FACW Facultative Wetland (usually occur in wetlands) FAC Facultative (equally likely to occur in wetlands or rion-wetlands) FACU Facultative Upland (usually occur in non-wetlands) UPL, NOL Upland, Not Listed (almost always occur in non-wetlands) NI I No Indicator (insufficient inforrnation available or plant is widely tolerant) Plant taxonomy follows Hitchcock and Cronquist (1973) and synonymy follows Reed (1988); synonymy is shown in [single square brackets]. Taxonomy of some species has been updated (Kartesz 1994) and the new nomenclature is shown in [[double square. brackets]]. Fishman/SWCA Project 8352-199 Page 4 Fanno Creek Trail, Fanno Creek Park & Tigard Library Segment Wetland Delineation & Vegetated Corridor Assessment January 2005 Soils were described with standardized color chips (Munsell Soil Color Charts, Kollmorgen Corporation, 1998 revised washable edition) of hue, value, and chroma and by texture (sand, silt, clay, loam, muck, and peat). Other materials used in this study are included in the Reference section. 3 SITE CONDITIONS The Fanno Creek Park site is bordered on the south by Fanno Creek, on the west by SW Hall Boulevard and on the north by the Tigard-Tualatin School District property which is used for school bus parking. The area east of the site is undeveloped. The Fanno Creek Park site is approximately 3.7 acres and consists predominantly of a grass field dominated by colonial bentgrass, meadow foxtail; tall fescue and common velvetgrass. Vegetation was unmowed at the time of the site visits. A tributary to Fanno Creek flows easterly through the north portion of the site, then flows southerly along the east property boundary. A small animal dam was present on this tributary in the north portion of the site during the August site visit. Upstream of the dam, the tributary was ponded to an unknown depth and ranged from 20 to 40 feet wide, resulting in the stream overflowing its short banks and ponding in a small area of the field immediately south of the stream channel. Downstream of the dam, the stream channel ranged from 2 to 3 feet wide and was flowing a few inches deep with a wetted width of up to 1 foot wide. Vegetation along the streambanks consisted of reed canarygrass with lesser amounts of bittersweet nightshade, American speedwell and orange balsam in the north portion of the site, and a fringe of scrub-shrub and forested vegetation consisting of willow, Himalayan blackberry, red-osier dogwood, rose, black hawthorn, Pacific ninebark, Oregon ash and red alder along the east site boundary. The stream banks of Fanno Creek are approximately 8 feet high, steeply sloped, and covered with dense Himalayan blackberry in much of the project site. A narrow riparian corridor along Fanno Creek contains Oregon ash, red alder, ornamental hawthorn, Himalayan blackberry, rose, Pacific ninebark and willow. A permanent pond is present near the central portion of the site and is associated with what is likely a remnant oxbow of Fanno Creek Based upon a review ofhistoric aerial photos, an oxbow was cut offfrom Fanno Creek in the early 1970's during construction of a 60-inch diameter sewer interceptor line through the project area. The western half of the oxbow appears to have been filled, but the eastern half of the oxbow and the pond remain. Two large concrete footings, which are likely the remains of an old weir or dam structure, are present on the north and south edges of the pond near the downstream end. The pond appears to be several feet deep, and an outlet (the remnant oxbow channel) is present in the southeast portion of the pond that flows southerly to Fanno Creek. Dense scrub-shrub vegetation including Himalayan blackberry, willow, red-osier dogwood and black hawthorn near the east site boundary made it difficult to access this area; however, it appears that the tributary to Fanno Creek that flows through the north Fishman/SWCA Project 8352-199 Page 5 . • Fanno Creek Trail, Fanno Creek Park & Tigard Library Segment Wetland Delineation & Vegetated Corridor Assessment January 2005 portion of the site joins the remnant oxbow channel prior to the confluence with Fanno Creek. A fringe of emergent wetland vegetation, including birdsfoot-trefoil, bentgrass, soft rush, creeping buttercup, and peppermint is present along the west edge of the pond. The side slopes of the pond are 2 to 3 feet high, and several Oregon white oak are present at the top of slope along the north edge of the pond. 3.1 Wetlands Two wetlands were delineated on the Fanno Creek Park site. The South Wetland consists of an emergent wetland and a permanent pond. The pond is associated with a remnant oxbow of Fanno Creek. The North Wetland is an emergent/seasonally ponded wetland. Since the wetland delineation field work was conducted during the dry time of year, primary indicators of hydrology were not present in the majority of the wetlands on the site. South Wetland The South Wetland was generally dominated by colonial bentgrass (Agrostis tenuis [[capillaris]], FAC) and meadow foxtail (Alopecurus pratensis, FACW) with areas of reed canarygrass (Phalaris arundinacea, FACW), quack grass (Agropyron [[Elytrigia]] repens, FAC-) and tall fescue (Festuca arundinacea, FAC-). The South Wetland was documented at sample plots 11 - 15. A small vernal pool/depression area, measuring approximately 10 feet by 70 feet, was present in the southwest portion of the South Wetland. This area appeared to be seasonally ponded based upon the presence of bare, cracked soils with dried algal mats. Vegetation in the vernal pool area was dominated by water foxtail (Alopecurus geniculatus, OBL) (dead), ovoid spikerush (Eleocharis ovata, OBL) (dead), low cudweed (Gnaphalium uliginosum [Filaginella uliginosa], FAC+), reed canarygrass (Phalaris arundinacea, FACW) and Mediterranean barley (Hordeum geniculatum [hystr. ix], FACU+). Small amounts of mayweed chamomile (Anthemis cotula, FACU) and spotted cats-ear (Hypochaeris radicata, FACU) were also present. Soils in the South Wetland met the hydric soils criterion by having a chroma of 2 with redox concentrations. Soils were historically disturbed due to construction of a 60 inch sanitary sewer interceptor through this area in the early 1970s and consisted of cemented silts and silt loams. Soils were dry during the summertime site visit, and hydrology indicators (algal mats) were only observed in one area of the wetland, the vernal pool area. The South Wetland was determined to be wetland based upon meeting the hydrophytic vegetation and hydric soils criteria. Since the delineation was conducted during the dry time ofyear, hydrology could not be used to determine the presence or absence of wetlands or wetland boundaries. Wetland hydrology appears to be driven mainly by precipitation ponding on compacted and cemented soils, with occasional overbank flooding from the Fanno Creek tributary at the eastern (downslope) edge of the wetland. The wetland boundary was determined primarily based upon changes in vegetation and soils, and topography was also used to assist with determination of the wetland boundary along the north and west edges of the permanently ponded area. The vernal pool area of the wetland and several depressional areas were observed to be ponded to a depth of 3 to 4 inches during a Fishman/SWCA Project 8352-199 Page 6 • • Fanno Creek Trail, Fanno Creek Park & Tigard Library Segment Wetland Delineation & Vegetated Corridor Assessment January 2005 brief site visit conducted on December 3, 2003 to verify the presence of wetland hydrology and confirm the accuracy of wetland boundaries. The wetland boundaries delineated during the August 12°i site visit coincided well with hydrology observed on the site in December, and no changes were made to the delineated wetland boundaries. North Wetland The North Wetland was generally dominated by colonial bentgrass and meadow foxtail with areas of tall fescue and common velvetgrass (Holcus lanatus, FAC). The North Wetland was documented at sample plots 1, 2, 4 and 5. A small ponded area (Plot 1) was present in the east portion of the North Wetland during the August site visit. The ponded area was up to 6 inches deep and appeared to be the result of a small animal dam on the Fanno Creek tributary in the north portion of the site. Soils in the North Wetland meet the hydric soils criterion by having a chroma of 2 with redox concentrations. Soils were dry at three out of the four sample plots located in this wetland during the summertime site visit, and did not display hydrology indicators. The ponded area contained 100 percent herbaceous vegetation cover which was dominated by meadow foxtail and birdsfoot-trefoil with small amounts of quackgrass, soft rush, slender rush, Watson's willow herb and one-sided sedge. The North Wetland was determined to be wetland based upon meeting the hydrophytic vegetation and hydric soils criteria and containing a small ponded area. Since the delineation was conducted during the dry time of year, hydrology could not be used to determine the presence or absence of wetlands or wetland boundaries. The wetland boundary.was determined based upon changes in vegetation and soils. The site was revisited several times to determine the duration of ponding in the wetland and confirm the accuracy of wetland boundaries. The ponded area had partially receeded by a September 22nd site visit and was no longer ponded by the October 28th site visit. This area was ponded again during a December 3rd site visit. The wetland boundaries delineated during the August 12`x' site visit coincided well with hydrology observed on the site throughout the Fall and early Winter, and no changes were made to the delineated wetland boundaries. Previouslv Delineated Wetlands A wetland delineation report was prepared for the new Tigard Library site by Kurahashi & Associates in June 2002 and was resubmitted to the. Division of State Lands in September 2002 (DSL WD# 2002-0324; DSL concurrence letter dated October 8, 2002). Kurahashi delineated the wetland boundaries of wetlands associated with Pinebrook Creek and a large pond located to the south of the Fishman study area. Impacts to the Kurahashi-delineated wetlands have been permitted for the City of Tigard's upcoming Wall Street Extension project, scheduled to begin construction in 2005 (DSL #31719-RF, Corps #200200137). Pinebrook Creek and associated wetlands and ponds are proposed to be reconfigured as Fishman/SWCA Project 8352-199 Page 7 0 0 Fanno Creek Trail, Fanno Creek Park & Tigard Library Segment Wetland Delineation & Vegetated Corridor Assessment January 2005 wetland mitigation for the Wall Street project. Reconfigured wetland boundaries are shown in the wetland mitigation plan prepared for the Wall Street project. 3.2 Uplands Upland vegetation was generally dominated by colonial bentgrass and tall fescue with areas where orchard grass (Dactyl is glomerata, FACU), common velvetgrass or meadow foxtail were subdominant. A dense hedgerow of Himalayan blackberry was present along the top of slope on the north side of Fanno Creek in the south portion of the site and along the west edge of the Fanno Creek tributary/remnant oxbow channel in the southeast portion of the site. Uplands were documented at sample plots 3 and 6 -10. Upland soils did not meet the hydric soils criterion due to having a chroma of 2 with no redox concentrations. Soils were historically disturbed in the south portion of the site due to construction of a 60 inch sanitary sewer interceptor through this area in the early 1970s and consisted of compacted base rock (large gravel fill) at Plots 8 and 9. Soils were dry and did not display hydrology indicators. Areas were determined to be non- wetland based upon lack of a predominance of hydrophytic vegetation and/or presence of non-hydric soils. A few areas meeting the hydrophytic vegetation criterion did not contain hydric soils and were therefore determined to be non-wetland. A complete list of vegetation noted on the site is included in Appendix E. 3.3 Vegetated Corridor Condition Assessment Slooe Determination Topography of the site is generally level, and slopes on the site are less than 25%. The vegetated corridor setback required by Clean Water Services (CWS) adjacent to the perennial streams and wetlands greater than 0.5 acre is 50 feet from the edge of stream bank or wetland boundary for areas with a slope of less than 25% adj acent to the water resource (Table 3. 1, Appendix Q. The location of the vegetated corridors adjacent to streams and wetlands on the site is shown in Figure 6. Vegetated Corridor Condition Assessment The condition of the vegetated corridors on the Fanno Creek Park site was determined according to Clean Water Services' Design and Construction Standards, Resolution and Order #04-09, effective March 1, 2004. The vegetated corridor condition is based upon the percent tree canopy and percent cover of native trees, shrubs and groundcover (;Table 3.2; Appendix Q. The vegetated corridors adjacent to Fanno Creek, the South Wetland and the North Wetland were evaluated at 4 sample plots (Appendix C). The vegetated corridors on the site consisted of three communities. Community 1 made up the largest percent of the vegetated corridors on the site (75%) and was a grass field dominated by colonial bentgrass and tall fescue with orchard grass, common velvetgrass, Fishman/SWCA Project 8352-199 Page 8 • • Fanno Creek Trail, Fanno Creek Park & Tigard Library Segment Wetland Delineation & Vegetated Corridor Assessment January 2005 and meadow foxtail subdominant in areas. Trace amounts of spotted cat's ear, Queen Anne's lace, chicory and curly dock were also present. Community 2 consisted ofa disturbed roadside community in the northwest portion of the site adjacent to Hall Boulevard and contained Himalayan blackberry, Watson's willow-herb, bluegrass, reed canarygrass, quack grass, tall fescue, common velvetgrass, crane's-bill, and bull thistle. Community 2 comprised 5% of the vegetated corridor area on the site. Community 3 consisted of a riparian fringe along the north side of Fanno Creek. This community was dominated by Himalayan blackberry with scattered native trees and shrubs including red alder, Oregon ash, red-osier dogwood, and Pacific ninebark. Areas of reed canarygrass and poison hemlock were also present. This community was a narrow band ranging from 10 to 15 feet from the top of bank of Fanno Creek and comprised 20% of the vegetated corridor area on the site. The three vegetated corridor communities were all determined to be in degraded condition due to having less than 50% cover of native species (all 3 communities) and less than 25% tree canopy (communities 1 & 2 only). Previouslv Evaluated Vegetated Corridors The condition of the 50 foot vegetated corridors required adjacent to Fanno Creek and wetlands associated with Pinebrook Creek on the new Tigard Library site (tax lots 2S 102DD 100 and 200 and 2S 102DA 600) was evaluated in the natural resource assessment report prepared for the new Tigard Library site by Kurahasi & Associates in August 2002 (CWS File No. 2743). The vegetated corridor communities located on the portion of the library site where the Fanno Creek Trail segment is proposed to be constructed were all determined to be in degraded condition due to the presence of less than 50% cover by native trees, shrubs and groundcovers; less than 25% tree canopy; and greater than 20% cover by invasive species and non-native species (Himalayan blackberry, ornamental hawthorn, and Scot's broom in the riparian community). 3.4 Vegetated Corridor Impacts & Mitigation Construction ofpedestrian or bike paths is an allowed activity within the vegetated corridorprovided that 0 impacts are minimized through choice of mode, sizing and placement (CWS Design & Construction Standards, R&0 04-9, Chapter 3.02.4 b.2). When paths are greater than 3 feet in width, the square footage of the excess path width is required to be mitigated for at a 1:1 ratio by enhancing vegetated corridor on the site to a good condition. An enhancement/mitigation plan is included in Appendix C. The proposed trail alignment has been located outside the vegetated corridor wherever possible in order to minimize impacts to the vegetated corridor. Impacts to the vegetated corridor are only proposed where Fishman/SWCA Project 8352-199 Page 9 0 • Fanno Creek Trail, Fanno Creek Park & Tigard Library Segment Wetland Delineation & Vegetated Corridor Assessment January 2005 necessary to construct a bridge crossing over Fanno Creek, the bridge approaches, and to meander the pathway close to Fanno Creek to construct a viewing platform. Vegetated corridor impacts are proposed in 5 areas of degraded vegetated corridor and total 3,260 square feet. Proposed mitigation consists of enhancing 4,000 square feet of degraded vegetated corridor located north of Fanno Creek, east of Hall Boulevard and west of the proposed trail. Proposed vegetated corridor impacts and mitigation are shown on Figure 6. The proposed enhancement area is greater than the impact area to allow for the possibility that the proposed vegetated corridor impacts may increase once the fmal bridge design is determined. If any additional vegetated corridor impacts are proposed in the future beyond those proposed at this time, the applicant will submit a revised natural resource assessment to Clean Water Services and will seek a revised Service Provider Letter for the project. SUMMARY OF PROPOSED VEGETATED CORRIDOR IMPACTS & MITIGATION Location Proposed Impact Area (SF) Proposed Mitigation Area (SF) Impact Area 1 135 Impact Area 2 787 Impact Area 3 1494 Impact Area 4 699 Impact Area 5 145 TOTAL 3,260 Enhancement Area 4,000 EXCESS MITIGATION 740 4 CONCLUSION Fishman conducted a wetland delineation and a vegetated corridor condition assessment on the portion of the Fnnnn Creek- Park cite lnnnted nnrth of Fannn ('rPPI! and crnith of an rnnnamPd tr;hrntarv to Fannn Creek to meet Clean Water Services natural resource assessment requirements for construction of a new segment ofthe Fanno Creek Trail. Fishman delineated 1.55 acres of emergent wetland and permanent pond on the Fanno Creek Park site. The South Wetland is 0.48 acre and includes a seasonally ponded area. The North Wetland is 1.07 acres and includes a permanent open water pond. Wetland boundaries and the top of streambank of Fanno Creek were professionally land surveyed by DeHaas & Associates. Fishman/SWCA Project 8352-199 Page 10 Fanno Creek Trail, Fanno Creek Park & Tigard Library Segment Wetland Delineation & Vegetated Corridor Assessment January 2005 The vegetated corridors on the Fanno Creek Park site consisted of three vegetated corridor communities that were determined to be in degraded condition. Construction of the trail will impact 3,260 square feet of vegetated corridor. Enhancement of 4,000 square feet of vegetated corridor located north of Fanno Creek is proposed as mitigation for the project. A wetland delineation and natural resource assessment were previously conducted on the new Tigard . Library site located south of Fanno Creek by Kurahashi & Associates in 2002 (DSL WD #2002-0324; CWS File #2743). Fishman has incorporated the results of Kurahashi's investigations into our evaluation of proposed vegetated corridor impacts due to construction of the Fanno Creek Trail. 5 LIMITATIONS The following statement is required to be included in wetland delineation reports per DSL's May 21, 2004 wetland delineation report rules. This report documents the investigation, best professional judgment and conclusions ofthe investigators. It is correct and complete to the best ofour knowledge. It should be considered a Preliminary Jurisdictional Determination of wetlands and other waters and used at your own risk unless it has been reviewed and approved in writing by the Oregon Department of State Lands in accordance with OAR 141-090-0005 through 141-090-0055. 6 LIST OF PREPARERS Stacy N. Benjamin, Wetland Ecologist Field Work and Report Preparation Mark Vlahakis, Soil Scientist Field Work C. Mirth Walker, PWS, CWD, Wetlands Program Manager Report Review Fishman/SWCA Project 8352-199 Page 11 • i Fanno Creek Trail, Fanno Creek Park & Tigard Library Segment Wetland Delineation & Vegetated Corridor Assessment January 2005 7 REFERENCES Clean Water Services Design and Construction Standards for Sanitary Sewer and Surface Water Management Resolution and Order No. 04-9.2004. ftp://ftp.cleanwaterservices.oig/Web/Design & Construction Standards/2004 D&C Stds-Current/04-09 D&C Stds Manual-WebFormat.pdf Effective March 1, 2004. Department of State Lands. 2001. Administrative Rules for Wetland Delineation Report Requirements and for Jurisdictional Determinations for the Purpose of Regulating Fill and Removal Within Waters of the State. Adopted July 1, 2001 and amended May 21, 2004. http://www.oregonstatelands.us/141-090f.pdf Environmental Laboratory, 1987. Corps of Engineers Wetlands Delineation Manual, Technical Report Y-87-1. U.S. Army Engineer Waterways Experiment Station, Vicksburg, Miss. Fishman Environmental Services. 1995. City of Tigard Local Wetlands Inventory "Offsite Option " and Wetlands Assessment. Prepared for the City of Tigard. FES Project 94043. Hitchcock, C.L. and A. Cronquist, 1973. Flora of the Pacific Northwest. University of Washington Press, Seattle. Kartesz, J.T.,1994. A Synonymized Checklist of the Vascular Flora of the United States, Canada, and Greenland. Volume I -Checklist and Volume 2-Thesaurus. Second Edition. In association with Biota of North American Program of the North Carolina Botanical Garden. Timber Press, Portland. Kollmorgen Instrument Corporation, 1998 revised washable edition. Munsell Soil Color Charts. Baltimore. Kurahashi & Associates, Inc. 2002. Natural Resource Assessment Report, Tigard Library. Prepared for City of Tigard. August 12, 2002. (Clean Water Services File No. 2743) Kurahashi & Associates, Inc. 2002. Wetland Delineation/Determination Report, Tigard Library. Prepared for City of Tigard. June 6, 2002, resubmitted September 12, 2002. (DSL WD #2002-0324) Oregon Climate Service (http://www.ocs.oregonstate.edu/index.html) Fishman/SWCA Project 8352-199 Page 12 Fanno Creek Trail, Fanno Creek Park & Tigard Library . Segment Wetland Delineation & Vegetated Corridor Assessment January 2005 Reed, P.B., Jr., 1988. National List of Plant Species that Occur in Wetlands: Northwest (Region 9). U.S. Fish and Wildlife Service Biological Report No. 88 (26.9). Reed, P.B., Jr., et al., 1993. Supplement to List of Plant Species That Occur in Wetlands: Northwest (Region 9). USDA SCS, 1989. Hydric Soils in Washington County Area, Oregon. USDA SCS, 1982. Soil Survey of Washington County, Oregon. United States Department of Agriculture Soil Conservation Service in cooperation with Oregon Agricultural Experiment Station. USDI Fish and Wildlife Service, no date, Beaverton, Oregon National Wetlands Inventory map. 1:58,000 CIR, 8/81. USGS, 1961, photorevised 1984. Beaverton, Oregon 7.5' topographic quadrangle. Fishman/SWCA Project 8352-199 Page 13 Leeend I inch = 2.000 feet Source: USGS 1961, photorevised 1984. Beaverton, Oregon topographic quadrangle i FzAuna A UIVIS(09-Of Portland Office 434 NW Sixth Avenue, Suite 304 Portland, Oregon 97209 Tel 503.224.0333 Fax 503.224.1851 www.swca.com . Fanno Creek Trail Fanno Creek Park Segment Wetland Delineation & Natural Resource Assessment SITE LOCATION MAP Figure 1 Dec. 2004 Project 8352-199, Leeend M -EnvircInmental s«~B N 1 i t Inknown scale w olv!slON OF 2:35 ` SWCX Portland Office 434 NW Sixth Avenue, Suite 304 Portland, Oregon 97209 Source: Washington County, SurveyNet. Tel 503.224.0333 Fax 503.224.1851 www.swca.com 2S 1 02DA 1411, awN . 3..1. 1 YIfN' a.M X111 1m4 o4r r - . wN nw 1 77 :I raN lsli . ~ . ' ~ ~ . T •.WIP. 'tYN ~1alN~ IiLIM WASHINGTON COUNTY OREGON NEt/4W14SECTION02T2SR1W W.M. SCALE 1' _ 100' 3Q~ 31 ~'32 I~33 .J%.f 35 '38 I J7 1 '8. ii:, FT F2 i Q 12 7 .$:-:8 110 Qt: 12 '7 73 18 17' , 18 . 16 X11' ' t3 18. 24 19 20.: 21, 22 ~23 -24 19 25 30 28 ':28~ 27,125 . 23 30 '38 31. 32.E .33- 'V' 1,35 AS 31 7[71 8:. i 1a . a f 1-` 6 FOR ADD(TIONAL MAPS VIISSR OUR _NEBWEE AT 1rlrreo.NaaA6lpba.orua SA AS AA --1. a A t-- ac "BU AC AO - SECT 01V I; 1 DA to '.:Dd CancaOad Tadob For. 2S102DA 001.7%702,W1, CAI7TOGRA" PLOT DATE: May 24, 2004 FOR ASSESSMENT PURPOSES ONLFOR OTHER USE ON 1lor.m aroN.na W.o+r ya3flWlpo. am+1r»la a.mr.a ar.r~ro uarN.amar ra:msol. w mm a.r.+araaym..aw. 7Mwn mlvAON , alo a•n Naea.r.r TIGARD 2S 1 02DA Fanno Creek Trail Fanno Creek Park Segment Wetland Delineation & Natural Resource Assessment STUDY AREA BOUNDARY MAP Figure 2 Dec. 2004 Project 8352-199 tom, P • ~4~: • j ~ ; jjPEM d6d t~` , h t V p"`~~~111 (t~ t t',il!tf t,'.~t f f,, ~ PpWKt . : •f <tuR . , .Y ~ { U, Al v 1 - i,•• ~ ' y G. • ,g -i i~,~i o;f~"~''-. ~ r' t,'pV+' l4 ':1 - C-1 i VqV 9. • x-3 iR r M ' i 1. Y t•,~1 ra•....-tF•, "l~',~?:p-`,: }ie'.'`-.. t3 •tf;,~ i . A. •t 1 B', I •'~:i, ~,M.4N,,,\•s'-•". A~'1. r - rf, roe tit'`' "T ; • ' ~ .ice/•~~ t f`. 1jr , ~••",:i;. qp,t~y it ,GO~ *,'•k . ~ ,t+.~ ~ x'~, '#~f~* ~ (QQT .r 4•:':t ~ i , t'•" +*F' F + L !l R!4 t l•+fE , /;ti M 4 • yy1y r oot. b opal t• ~ :tea, ~ - - +4/' , 1. • i . j..~ ::'e.,yv •e~~l-'~~' - ` _ 'JI ~ ~ .('N j i f 1, ~ _ r' ~j; T,.... ! i ~ ~ MY`~ ~ ~ td+F ;1 ~..,~•;.1,!~... , ~ }!i1 t I111+fty , • ~ F J .'j,',~~, ti•:' v,. riff \\\ar 'f \w'Y.} r7.'rq.~iA; ',in y~ SIN <~l l ~L, r'~ rl , I~w-+;~t 3•• 'S~, :7h ~ i rjs~ ,F ,~t•¢4• , } ' .mil ~{,r ' "1.' • C y, ~ ~ ~ ~ \ ye. ~ ~ . f 40 1 3 Y , • r f ~,J 1 ' t 1 r `/Jy .il 1 l ~O si-• - 1', y ~'~1•,l lit f 'i. ' , 1\ 1 • , • i i . _ y c' . e'1 mac., Z t A,'N a.t ijiA ' - :1s= •r' ti . r s 'r, ~.yfl .P" ;-t'i a+~'•• \•:~1 -,.'f vil r, -t iy2 ~i, ..>•K~~ yam. _ "s' • Y ^ i' ~ t i , _ . mow. 1 z' , r; i~' is 13 r; r: r ~J '~;i'/.'..- i', _ a ,;a :N S.; •l 1~.t11.. is ,•.'r * :~;t'. „i"rft,fAnA ,r-' 11 f,~.ty. w,,.~ .f pOw fir;. f ) •,d~ a l.,. Ole rail Creek T Failn° rk Se eat a F ~r Creek i A•::. Fan neation etland Deti • , ssm Leoend., N rce Arse t afrig40`oF'` & Natural Resou X56 WETLANDS INVENTOR i„en-2 NATION PorttandOTIC 004 Project 8352 304 434 I3w Sum Suite DeC 2 ' Po[dand°n 97249. f Fafx 503.224.1851 Figure ~ ~ ~Nt Tel 503.224.0333 N USFWS, Beaverton, Oregon wvrw-swca ~m Zjlq, 8/8 ource. Brag source.' 0 CM I Lep-end 1 ."4 N F Services 1 inch = 1.667 feet oivi3wN'oF 1-Aloha silt loam (hydric Huberly incl.) SIC 30 - McBee silty clay loam (hydric Cove & Wapato incl.) Portland Office ` 42 - Verboort silty clay loam (hydric) 434 NW Sixth Avenue, Suite 304 Source: USDA SCS Soil Survey of Portland, Oregon 97209 Tel 503 ww.swca. swca. 4.0333 Fax 503.224.1851 Washington County, Oregon, 1982, sheet 44. ww com Fanno Creek Trail Fanno Creek Park Segment Wetland Delineation & Natural Resource Assessment SOIL SURVEY MAP Figure 4 Dec. 2004 Project 8352-199 I ~,y uln ~ 2 At X WA 9` 1 .87 At I •P4 Al W `~~~`vQ •P P24 W a •P •PS A10 o..~~ POND •P3 t , A8 7 8 a : #P6 9 P'UD ENO o •P7/~`- I 912 - Iv1D~ ! t 1 12 ' LINE Y 10" { 4 / 813;,`. CI AND OGE OF 13 )F8 C8 p1~'~`~ t 14 C7 - oplo t\ •P71 .n1E~~ Asp= y1~i g Vv •P C6 _ 5 15 :cam C4 -D l 819 •P13 3' \ 20 I ` tiP14 FANW l , 4 Legen Fanno Creek Trail maY1 •Pl-P9 S 5")e P Fanno Creek Park Segment 1a~S Wetland Delineation & Natural Resource Assessment SWCA" PPorthwd th WETLAND BOUNDARY MAP Source: IkHaas & Associates, September 2003. ® 434 NW Nw Sixth Avenue, Suite 304 Wetland boundaries & sample plots professionally Portland, Oregon 97209 land surveyed. Map accuracy 1 foot, t Inch-5n rut Tel 503.224.0333 F.503.224.1851 Figure 5 I Dec. 2004 IProject 8352-1991 wW,v ~a uxn MASTER PLAN ~ANNO CREEK TRAIL SEGMEN • ON FANNO CRE ARK SITE AND TIGARD LIBRAR lTE not for construction . I I A.' LEGEND p WEAAND Ui:L!L51 _li = Ue ypNA VEGETATED CORRRIDOR 40 ®PROPOSED TRAIL PROPOSED TRAIL VEGETATED Sa.~,PJe P/ IMPACT m PROPOSED VEGETATED J CORRIDOR Ml7IGA77ON WALL STREET PROJECT L r : WETLAND MI77GA71ON SCALE 1' 100' s -des w . rJ~A PANNO O• GREEC AAA IN3 ~D . _ • _ _ • '-699~'50 R ; mi • T ,DD Ym Fl••*fuh . • I • WALL 5,: PRO. CORRRIDOR ° '6A xT ' 11GA. ON AREA YfifCAn RO uS l >F NEW TIGARD LIBRARY JI Z• of 3 WNaM °ary I Q i prU l \ _ SEA W P WALL ST. WPRO YKAA`now III / / i aoon•~ nn•mr omr rn.w. P STRL new B XSMW MERANOS AND IE WTA /ED 7 5 CORMDOP (DEEPM TO 7HE MY Cr TfGARD) ~EXISTING TRAIL FANNO Figure 6. Proposed Vegetated Corridor 3 SEGMENT Impacts & Mitigation POINT COND I h ' Z 4 W IFI APPENDICES Appendix A: Local Wetlands Inventory Map and Summary Sheets Appendix B: Wetland Determination Data Sheets Appendix C: Vegetated Corridor Condition Assessment Data Sheets and Vegetated Corridor Enhancement Plan Appendix D: Site Photographs Appendix E: Vegetation Table of the Fanno Creek Park Site Fishman/SWCA Project 8352-199 Page 20 0 APPENDIX A: LOCAL WETLANDS Fishman/SWCA INVENTORY MAP AND SUMMARY SHEETS Project 8352-199 /y F~6 63 V •v' fi .•y / Y~r % ' / ~ / ~'y \ Sl~EL T-J ` S:(~e ` r k:' `'lam • . ~j 1 I _II '17 --u I L f~ . ~oo Irr 11 -2 117 "17:1 ::011111,111 -TR N I~~I 1~ 1. ;;~t~►III~ rl~~ 1R CITY OF TIGARD Wetlands Inventory Unit 7 Identified Wetlands 5,l"111101 Streams 1~4 Public Land Survey 43 Section IN Resource Unit Boundary ♦ Sample Plot Location Source: Scientific Resources Inc. and Fishman Environmental Services. Aerial photography from April, 1999 at a nominal scale of 1" = 9001. Information on this map is of a generalized nature. In all cases, actual field conditions determine wetland boundaries. Public Land Survey Information: All Public land survey sections depicted on this map survey are within either T1SR1W or T2SRiW. Ind- ne.., Plot Date: OA/23/48 Scale 1" = Inn fP.P.t a Tigard Local Wetland Inventory - O, fske Option UNIT: 7 WETLAND: E 14-16, 18-21, 39 Wetland Acreage: 25 Field Date: 9/13/94 19 ac P170/0.25 ac PSS/4 ac PEM/2 ac POW) Location: Fanno Ck E of SW Hall & N of Colony Ct Beaverton Quadrangle T2S R1W Sec. 1,2 Tag Map: 25102 DA, DD & 25112 BA, BB Aerial: NE (E-20, E-20,21) & SE Zoning: R-4.5, I-L, R-12, R-7, Greenway NWI Classification:. POW, PEM, PSS, PFO WWHA Score: 80 Mapped Soils: non-hydric, 42 Verboort SiCL, 13 Cove SiCL; 22 Huberly SiL Hydrologic Basin: Fanno Sub-basin: Fanno Creek Hydrologic Source/Comments: Fanno Creek; perennial stream. WETLAND SUMMARY SHEET Dominant Vegetation: Trees Shrubs fIerhs/Emergents Fraxinus Mfolia Alnus rubra Salix lasiandra (Rubus discolor) Crataegus douglasii Spiraea douglasii Phalaris arundinacea Juncus ef`usus Boundary Information: distinct topographic break; vegetation changes to Himalayan blackberry and pasture grasses. Buffer Information: Standard 25 ft minimum. Comments: Fanno Creek, perennial stream with:areas of broad adjacent wetlands including forest, emergent and small pondings. Excellent R ildlife habitat with diverse vegetation. Interspersion with stream and upland coniferous woodland. An additional wetland (E-39) between RXR tracks E of E=21 consists of ash/willowlblackcottonwood and seasonal pond. Steep channel banks vegetated with Himalayan blackberry and diverse forest cover. Fishman Environmental Services 0 Unit 7 Middle Fanno Creek 0 Tigard Wetlands Inventory and Assessment November 1995 Unit 7, Middle Fanno Creek, includes the mainstem of Fanno Creek from S.W. Main St. (south of Highway 99W) southeast to S.W. Bonita Rd., two minor tributaries (E7,8, E17, E37, E38), and the mouth of Red Rock Creek south of the Southern Pacific Railroad line. Unit 7 contains approximately 54 acres of wetlands including 29 acres of forest, 21 acres of emergent, 1 acre of scrub-shrub, and 4 acres of open water. The width of the wetland corridor adjacent to Fanno Creek is approximately 400 feet. The tributary is a narrow wetland corridor approximately 10 to 25 feet wide. The northern third of Unit 7, west of Hall Blvd., is within the greenway of Fanno Creek Park with safe access and a paved trail system. Fanno Creek Park wetlands (E6, E9-13) separate commercial and industrial land uses on the north from residential land use south of the park. East of Hall Blvd., Fanno Creek generally travels through residential and agricultural lands. Agricultural land on the south end of the unit north of Bonita Rd: is being replaced by commercial development. E22 has been filled since the 1989 inventory. Unit 7 provides all 7 wetland functions evaluated for this project and was rated the highest for overall wetland functional values in the City of Tigard with Unit 9 (Tualatin River). The high rating of the wetlands was due to their large size, large adjacent undeveloped uplands, and public access and trail systems (Fanno Creek Park). Fanno Creek Park (E9-13) contains diverse wildlife habitat and access for recreation. Wildlife habitat also occurs in the middle of the unit east of Hall Blvd. and Fanno Creek where expansive uplands occur adjacent to the creek. The uplands include a large pasture and a large diverse mixed deciduous/coniferous woodland with two seasonal streams flowing through it. These large adjacent uplands increase wildlife habitat and aesthetic quality values of sites E14-16 and E18-21. Fishman Environmental Services page 33 Oregon Method Summary Sheet Unit 7 Middle Fanno Creek and 2 Minor Tributaries Wildlife habitat A Permanent water, diverse habitat & structure, connectivity, interspersion. Fish habitat q Fanno Creek provides fishery; Water quality A Stream corridor with FO (53%), EM (40%), and OW (6%); contiguous wetlands trap sediments & nutrients. Hydrologic control A Stream corridor provides runoff and flood storage opportunities. Sensitivity to impact B Potentially sensitive Enhancement potential A Soil compacted by horses/cattle in places; wetlands connected by stream. Education A Public access in Fanno Creek Park; safe access. Recreation A Developed trails and access at Fanno Creek Park. Aesthetic quality I A Stream corridor with limited noise and garbage. Physical characteristics of gently sloping topography with approximately 400' wide wetland corridor; includes watershed or basin 29 acres FO, 21 acres EM,1 acre SS, and 4 acres open water. Biological information provides diverse wildlife habitat with large adjacent undeveloped uplands (E14-16, E18-21). Water quality Fanno Creek has been rated severe WQ condition by DEQ (1988); degraded due to runoff from agricultural lands and commercial, industrial, and residential stormwater. Land use existing land uses within 500' of wetland edge include 30% residential, 25% open cn.~nn 77 501- n ial"in.1..~F.;..I ~..A 79 SZ0% ....1t--[ -/Y WI~IIIGINYl/usU101, anu -.J/Y QgllWllul at. Fishman Environmental Services page 34 WETLAND RMINATION DATA SHEET -1 MANUAL .g. 4_p" ~LroCarteKCounty:Lv;_ iState:02 Date: 8~1~1u3Plot: Project #:03471 Site: Applicant/Owner:C1 Sect, (1/4 J 51.E Township aS RangeltO et / Up Plot Location: /v _arn e C, I a _k Topographic Location: Qua@a~°~ ` Do normal environmental conditions exist? N Explain: Are soils vegetation VEGETATION *Dominant Plant Species 5 7. 8. 9. hydrology significantly disturbed?vExplain: % Cover Ind. Stratum total cover. 166 ) (s' radius) u eu _q 'S 60 as 10 4c FA` Jen i e- OCCLA"mrA *Dominant Plant Species % Cover. Ind. Shrub/Sapling Stratum.(% total cover-009 radius) 1. 2. 3. 4. 5. Tree Stratum total cover. (30' radius) 1. 2. 3. Remarks: OP_- Or~,CPn•I- Percent of Dominant Species that are OBL FACW, or FAC (excluding FAC-): 2/a _ J X1'1 Hydrophytic Vegetation. Criterion Met? YES - NO NWI Class SOILS Mapped unit name: b e r10 rAr! Si I It_a_ G1 Matches Profile! Y close LW I Am ica'] 100115 Drainage Class: IU Taxonomy. I Depth Horizon Matrix Color Mottle Abund., Size, Color, on Pores/Peds? Texture, Struct., Other tv ~ ~ ~ 5 3 n nn~c.~j~S • Cor~c~~S .~L,..~~o~..S/~~ U.VJZ 31L Histosol - Reducing Conditions (test) Hi. Organic Cont. Surf Layer Histic Epipedon Gleyed Organic Streaking Sulfidic Odor CC Mottled (w/i 10") -Organic Pan -Low Chroma Prob. Aquic Moisture Regime Concretions (w/i 3", >2mm) 4-On Hydric S ils List LMajor Portion of Root Zone Remarks: Sol IS ao rv~l-a pop r Ix~e~ `gin as+ Hydric Soil Criterion / Indicators et? NO 3 ~•er to r~,r+ u HYDROLOGY a ~ Depth of inundation: Depth to free water: I q la Depth to saturation: ' seepage:SAa 1115 10 Indicators 20.Indicators 2° Indicators Inundated Oxidized Root Channels in'upper 12" Local.'Soil Survey Data ,Saturated in upper 12" Water-stained leaves FAC-Neutral Test Water Marks Recorded Data Availabl (aerials, gauge)? Explain: Drift Lines Otherjn ~ . n, I" c\ *(QP *k o '0 e QP.S CA I n Sediment Deposits Remarks: U ppeC IAeL-)W/~ Drainage Patterns Wetland Hydrology Criterion / Indicators Met?(~q NO DETERMINATION: Is this plot a Wetland? YES NO ' Comments: Determined by: ~}•aC M-.=1r](_ V I -J jai-5 Fishman Environmental Services m.5103 WETLAND TERMINATION DATA SHEET - S7 MANUAL Project #:D3o7 Site:County" Date: .5/12/6 Plot: c~ Applicant/Owner. Ci o Sect.(1/4) 1 SLv Township aS Range . . et up- Plot Location: A- P; -F S,5 Of Io4-1 Topographic Location:~.W rYtG~P.s 4 Do normal environmental conditions exist. fir)N Explain. Are soils vegetation hydrology significantly disturbedoExplain VEGETATION *Dominant Plant Species % Cover Ind. *Dominant Plant Species % Cover Ind. Herb Stratum total co a W (s' Shrub/Sapling Stratum.(% total cover. (iv radius) 3 Cd ~~t.tnaC ad Ekz 4. ac~L~M .S ..~L•~dd s. 6. Fld~ 7. s. 9. 3. Remarks: L&D) f;' § ^Sf kYl& 14o Cl r GU Percent of Dominant Species that are OB CW, or F C (excluding F C-):_/3 _ Hydrophytic Vegetation: Criterion Met? (YES -NO 67% o NWI Class,ReM SOILS Mapped unit name: OeTloncf k Sd_414 C 161-A 1 Var--~ Matches Profile? Y(! close Taxonomy: Tvic ~ OAS ' Drainage Class:_Po~rlU Depth Horizon Matrix for Mottle Abund., Size, Color, on Pores/Peds? Texture Strtict. Other 1 3 -a Ccrr n me r-a-M SAa 1 I - ~ 19V a/a cavN e-ne a 7.6 912 y/cr $~'c.L rrxr}-sue Histosol - Reducing Conditions (test) Histic Epipedon Gleyed Sulfidic Odor Mottled (w/i 10"y Prob. Aquic Moisture Regime Concretions (wh 3"; >2m.) Remarks: Hydric Soil Criterion / Indicators Met? (~TS NO HYDROLOGY Hi. Organic Cont. Surd Layer Organic Streaking Organic Pan " Low Chroma 1:0n Hydric Soils List 7 Major Portion of Root Zone Depth of inundation: Depth to free water: Depth to saturation: seepage: 1 ° Indicators 20 Indicators 2° Indicators Inundated Oxidized Root Channels in'upper 12" Local Soil Survey Data Saturated in upper 12" Water-stained leaves FAC-Neutral Test Water Marks Recorded Data Available (aerials, gauge)? Explain: Drift Lines Other: Sediment Deposits Remarks: SUl'~ ro Drainage Patterns Wetland-Hydrology Criterion / Indicators Met? YES NO DETERMINATION: Is this plot a WetnasLa Comments:OAl e a-Q- aS Determined by:k; S Fishman Environmental ServiC 5/03 mv. 1.. 2. 3. 4. s. • Tree Stratum total cover: a5 1(30 radius) A~fre.eS aarrr) ~S 2. rage I •~o 'sa, 0,01,P,a HS WETLAND JIVERMINATION DATA SHEET -IM MANUAL Project 4W3671 Site: rb C&ot-- K County:.L).S66 St'le:0(2 Date: M-1163 Plot: =3 Applicant/Owner:C; Sect.(1/4)J SCv Township23 Range Wet /((7i)) Plot Location:. ~c-ation: 2t E a `J Topographic Lo W S , Do normal environmental conditions exist? Q Explain: Are soils vegetation hydrology significantly disturbed? Explain: VEGETATION *Dominant Plant Species % Cover Ind. Herb Stratum % total coverjiM) (5' radius) oS4-i.S +e zA S AJ F- 3. ~ Jp 4. 7. s. 9. Remarks: *Dominant Plant Species % Cover Ind. Shrub/Sapling Stratum total cover,, (lo' radius.) PAC FACL4 ja/cc_C f&w_ 2. 3. 4. 5. Tree Stratum total cover..~W (3o, radius) LiaAP r4r-w 2. 3. Percent of Dominant Species that are OBL, FA or FAC (excluding FAC-):2/3 = 33 °Lb Hydrophytic Vegetation. Criterion Met? YES ~ NWI Class SOILS - SU(4-~a GX) Mapped unit name:L)eSLnr r4- Si d a fO2'rY, Matches Profile? Y -N los lp-L Taxonomy. Tc C. ~f'ol ; a I of I C Drainage Class: U Depth Horizon Matrix Color Mottle Abund., Size, Color, on Pores/Peds? Texture, Struct., Other D-5 J/2 aka 5; r S,a~lanulaC 1i~ ~a ~L c L ~o~s~, KSA[3 1 n a/a e~~4 StG ,r,o~ SAQ Histosol - Reducing Conditions (test) Histic Epipedon Gleyed Sulfidic Odor N6 Moided (w/i 10")' Prob. Aquic Moisture Regime Concretions (w/i 3", >2mm) Remarks: Hydric Soil Criterion / Indicators Met? YES NO HYDROLOGY Hi. Organic Cont. Such Layer Organic Streaking Organic Pan `~i `Low Chroma X:QO Hydric Soils List ..7 Major Portion of Root Zone Depth of inundation: Depth to free water: Depth to saturation: seepage! 1° Indicators 20 -indicators 20 Indicators Inundated Oxidized Root Channels in upper 12" Local Soil Survey Data Saturated in upper 12" Water-stained leaves FAC-Neutral Test Water Marks Recorded Data Available (aerials, gauge)? Explain: Drift Lines Other: Sediment Deposits Remarks: '1 An! +tIr'ou a, .Li W- Drainage Patterns Wetland Hydrology Criterion/ Indicators Met? YES DETERMINATION: Is this plot a Wetland? YES TO Comments: Determined by:}- Fishman Environmental rev-5/03 -V^ q WETLAND INFERMINATION DATA SHEET -1 MANUAL C ft K- County: t.. a S :O (Z Date: 5/«16 Plot: Project #A3o7 Site: hningi ~ Applicant/Owner: Ci Sect.(1/4)j Sto Township as Ranger Wet / U n o f ,me , ti I od e a- o 'Plot Location: ti 3 a JL5 Topographic Location: GlJ .a Do normal environmental conditions exist? N Explain. Are soils vegetation hydrology significantly disturbed? N Explain: VEGETATION *Dominant Plant Species % Cover Herb. Stratum total coverlo) (s' radius) 24. 6 CU 1S 1 ar, l I'r ac) RAc=i . aD 4., ID 5. effor:C ALP-11 k-L-S 6 1 b 7. Ind. PAI- Ac fL4-C - FA(:: AC- *Dominant Plant Species % Cover Ind. Shrub/Sapling Stratum.(% total cover: 6V radius) 1. 2. 3. 4. 5. . .Tree Stratum total cover:i 1(30' radius) 1. 8. 9. 2. 3. Remarks: M . Percent of Dominant Species that are OBL, FACW, or FAC (excluding FAC-):-?j3 = ^ HydrophyticVegetation;CriterionMet? . NO . NWI Class . P SOILS Mapped unit name: S 1 n-, Matches Profile? Y N .0'v r, TQ (,j 'G/a 11 C Drainage Class: ~Uos~~'la~'/ . Taxonomy: Depth Horizc6 Color Mottle Abund., Size, Color, on Pores/Peds? Tex- of re, Struct., Other O-b 10 ala SL ~;l ~ 1 ~ _ ala ~rM ~.5 Y ~ y G~ . ~ cri►, ~S~ K SA4 D a Histosol. Reducing Conditions (test) Histic Epipedon Gleyed Sulfidic Odor C~Mottled (wh 10")' N . Aquic Moisture Regime Concretions. (w/i 3.", >2mm) Remarks: Hydric Soil Criterion Indicators Met? f% NO HYDROLOGY Hi. Organic Cont. Surf Layer Organic Streaking Organic Pan ;Low Chroma C On Hydric Soils List . Major Portion of Root.Zone Depth :of inundation: Depth to free water:': Depth to saturation: seepage: 1° Indicators 20.Indicators. 20 Indicators Inundated Oxidized Root`Channels in upper 12" Local Soil Survey Data Saturated in upper 12" Water-stained leaves FAC-Neutral Test Water Marks Recorded Data Available (aerials, gauge)? Explain: Drift Lines Other. Sediment Deposits Remarks: .S0 -4j~rn Drainage Patterns Wetland Hydrology Criterion / Indicators Met? YES NO DETERMINATION: Is this plot a Wetland? S NO ' Comments: C.a n v' & YU~t6 " Lle~ a+_Ai S~iMe 6. C C'~ Determined by: 5 -aC 1^t C"rar'k Ula Aam, S Fishman Environmental Services rev.sm3 WETLAND TERMINATION DATA SHEET - MANUAL Project mx3D? I Site: CS r-p C.mte_ Y County: Ln e:O (Z Date: N1;1 Pot: Appli cant/Owner: C r Sect.(1 /4) 5 to Township a S RanggJ & et / Uo Plot Location: /V 66, 6 4 ~"J Topographic Location: e l C~pr' -ate. 4 Do normal environment conditions exist? N Explain: Are soils vegetation hydrology significantly disturbed&Explain: VEGETATION *Dominant Plant Species Cover Ind. *Dominant Plant Species % Cover Ind. Herb Stratum total cover. (s' radius) Shrub/Sapling Strat m.(% total cover:~ (io'radius) .1• Aor~ S --e-", i. 3.~eu_4 L~ Jo FAC O 3. 4. U s.►-ef;s~ FAG- s. Tree Stratum total. cover 1(30' radius) 7. 1. 8. 2. 9. 3. Remarks: Percent of Dominant Species that are OBL, CW, or FAC (excluding FAC-): alb _ 1002s Hydrophytic Vegetation.Criterion Met? NO NWI Class,/ SOILS Mapped unit name: Ver&n)cr+ ► G J aqloa~ Matches Profile? Y~~ose Taxonomy. At` Drainage Class: io(~/o Depth Horizon Matrix Co or Mottle Abuud., Size, Color, on Pores/Peds? Texture, Struct., Other r~r,ralz1- e-o vyp ;La X_ rlvn .s9 (2 141y 4~ y//0 SQL s r•~-SA8 It IRAA Histosol. - Reducing Conditions (test) Histic Epipedon Gleyed Sulfidic Odor Mottled (w/i l0")' Piob.:Aquic Moisture Regime Y Concretions.(w/i 3", >2mm) Remarks Hydric Soil Criterion / Indicators Met? . NO . Hi. Organic Cont. Surf. Layer Organic Streaking Organic Pan `Low Chroma ~On Hydric Soils last 1r Major Portion of Root Zone HYDROLOGY Depth of inundation: Depth to free water: Depth to saturation: seepage: . 1° Indicators. 20.Indicators. 20 Indicators Inundated Oxidized.Root`Channels inupper 12" Local Soil Survey Data Saturated in upper 12" Water-stained leaves FAC-Neutral Test Water Marks. Recorded Data Available (aerials, gauge)? Explain: Drift Lines Other: Sediment Deposits Remarks: SUi S W es, - _ Drainage Patterns Wetland~Hydrology Criterion /Indicators Met? YES NO DETERMINATION: Is this plot a Wetland? OS NO Cornments>C.134 (1.AI c . e o.L( eX(~es1 cn ~t 1 a~ Determined by: ` 4- ►''~ar1 C U )a S Fishman Environmental Services m.5103 WETLAND ICERMINATION DATA SHEET - MANUAL Project #:63671 Site: Crke1, County: C-%,gwq&oST e:0(Z Date: 1~Il Plot: Applic. nt/Owner:Ci Sect.(1/4)J .5to Township aS Range it,.) Wet /a ' Plot Location: Al b Topographic Location: c+ Do normal environmental conditions exist? N Explain: Are soils vegetation hydrology significantly disturbed? Explain: VEGETATION *Dominant Plant. Sbeecies % ,Cover Ind. *Dominant Plant Species % Cover Ind. Herb Stratum total cover. )66) (Y radius Shrub/Sapling Stratton total cover: 1(10 radius) C, 's -N-, e,44 is -E4G 1. 2. FAQ- 2. 3. ~.t n$j U J5~Ltv 3. 4 . S 5 F C 4, 5. ~ c'i S~ drt ~na~na yea ~ F~LGJ 5, . _ . 6: Tree Stratum total cover: ) (30' radius) 7: 1. 8. 2. 9. 3. Remarks: Percent-of Dominant Species that are OBL ACW, or FAC (excluding FAC-): ' ll = DD~~} Hydrophytic `legetation,Criterion Met? S NO NWI Class SOILS Mapped unit name: el Taxonomy: CA 14~f C i Depth Horizon Matrix 1( Q ~ D 3 a 5~1~ n 3 a Q-) 1oY~2a/a ~1 61M Matches Profile? Y lose roII Drainage class: Mo era-IeloLLe11 Mottle Abund., Size, Color, on Pores/Peds? Texture, Struct., Other Histosol. Reducing Conditions (test) . Histic Epipedon Gleyed Sulfidic Odor AID Mottled (wh 10")' Prob.: A4dc Moisture Regime Concretions. (wh 3", >2mm). ,Remarks: . - : Hydric SoilCriterion /Indicators Met?. YES (NO) HYDROLOGY Hi. Organic Cont. Sur£ Layer Organic Streaking Organic Pan /i +Low Chroma _On Hydric Soils List Major Portion of Root Zone Depth of inundation: Depth to free water: Depth to saturation: seepage: 1° Indicators. 20 Indicators 2° Indicators Inundaied Oxidized Root`Channels in upper 12" Local Soil Survey Data Saturated in upper 12" Water-stained leaves FAC-Neutral Test Water Marks. Recorded Data Available (aerials, gauge)? Explain: Drift Lines Other: Sediment Deposits Remarks:_ Sod.S a(Z -U1/bLtC)&aA4- Drainage Patterns Wetland Hydrology Criterion / Indicators Met? YES TO DETERMINATION: Is this plot a Wetland? YES Comments: Determined by: S+ -A- Cl') Ulal D43Fishman Environmental Services,v.sm3 WETLAND ERMINATION DATA SHEET - MANUAL Project #:030 Site: C&neZ. County: (qa.~),S a e:O(Z Date: N12143 Plot: Applicant/Owner:Ci Sect. 1/4)J SCA.? TownshipaS Range Wet / Up Plot Location: ti OCR) Topographic Location: i" 1n! ~rer'..a n PlG~ Do normal environmental conditions exist?Y N Explain: Are soils vegetation hydrology significantly disturbed?oN Explain: VEGETATION *Dominant Plant Species % Cover Herb Stratum (S total (s' radius) Ana ct~ QA 4 brans,' S 4. r~l u 1 ar,a~uS 5. eX c.rf*Sou S . 6: 7. 8. 9. Remarks: Ind. *Dominant Plant Species % Cover Ind. Shrub/Sapling Stratum.(% total cover: (10'radius) F/+C FAr_ 2. 3. G: 5. . Tree Stratum total: cover.. (30' radius) 1. 2. 3. Percent of Dominant Species that are OBL ACW, or FAC (excluding FAC-): 01/3 6. ~ r Hydrophytic Vegetati=,Criterion Met? . Ms - NO NWI Class SOILS ~ d&e Mapped unit name: Taxonomy: I 'G Rc2~201 G Depth Horizon Matrix Color o -4 10V/23h o~ - (o D a a: Si 1lt.4 C 1 aqJ GA. Matches Profile? Y lose X 2I'Gi,~ S Drainage Class: r-11w *jjja IQ Gc)° L Mottle Abund., Size, Color, on Pores/Peds? Texture, Strucct., manq S.&jeaKS SL fnG-I S A6. 5116L I, od A6 Histosol Reducing Conditions (test) Histic Epipedon Gleyed Sulfidic:Odor ATO Mottled (w/i 10"Y Piob.:_Aquic Moisture Regime Concretions:(w/i 3", >2mm) Remarks.: . Hydric Soil Criterion / Indicators Met? YES' . HYDROLOGY Hi. Organic Cont. Surf Layer Organic Streaking -Organic Pan r!/ iLow Chroma _OnHydric Soils List Wor Portion ofRoot.Zone Dcptl ':of ut,rudatioDen to fi-ee water- Depth to saturation: seepage: r 1° Indicators 20.Indicators 2° Indicators Inundated Oxidized.Root"Channels in'upper 12 Local Soil Survey Data Saturated in upper 12" Water-stained leaves FAC-Neutral Test Water Marks. Recorded Data Available (aerials, gauge)? Explain: Drift Lines Other. Sediment Deposits Remarks: ~S 1 I S ArU JnrdcAe*U+ Drainage Patterns Wetland HydroloCgy tenon / Indicators Met? YES DETERMINATION: Is this plot a Wetland? YES CO) Comments: Determined 0-)-Ar1( L)la{,~k~'S Fishman Environmental Services rev.sros WETLAND ERMINATION DATA SHEET -10 MANUAL Project #:63071 Site a Crt~l~ County-. t..aaR State:OiZ Date: 51 a/03 Plot: Applicant/Owner:Ci Sect.(1/4J SLv Township aS Range Wet /z) Plot Location: Ned f4 ^f Topographic Location: A~a e) e V x440-) Do normal nvironmental conditions exist? 65N Explain: Are soils vegetation hydrology significantly disturbed? N Explain: Q ratx&-4 f I -r VEGETATION *Dominant Plant Species Cover Ind. *Dominant Plant Species % Cover Ind. Herb Stratum total cover. )601(5' radius) Shrub/Sapling Stratum.(% total cover: (10' radius) .AG i. F - z. 3. C S 1 :-A 3. 4-.Urle ako~ CAC 4. S. cr~GLtS °i%LAI S jE lc 5. 6 Tree Stratum total cover:, 1(30' radius) 7. 1. 8.. 2. 9. 3. Remarks: Percent of Dominant Species that are OBL, FACW ;As or FAC (excluding FAC-):~I = 0 Hydrophytic Vegetation.Crite 'on Met? YES 60 LEA* C f oSM NWI Class SOILS Mapped unit name: MC 4E~ 311 G 1 ~Matches Profile? Y N close Taxonomy:'G Drama a Class:f~'lo~e LcJ2° II Depth Horizon Matrix for Mottle Abund., Size, Color, on Pores/Peds? Texture, Struct., 'Other Histosol. - Reducing Conditions (test) . Hi. Organic Cont. Surf Layer Histic Epipedon Gleyed Organic Streaking Sulfidic:Odor Mottled (w/i 10") _Organic Pan Low Chroma Prob Aquic Moisture Regime Concretions (w/i Y, >Zmm) ,~On Hydric Soils List Major Portion ofRoot.Zoae Hydric Soil Criterion / Indicators Met? . YES ;NO HYDROLOGY Depth of inundation: 1 ° Indicators Inundated Saturated in upper 12" Water Marks Drift Lines . Sediment Deposits Drainage Patterns Depth to free water: Depth to saturation: 20 Indicators. 20 Indicators seepage: Oxidized Root'Char els in'upper 12" Local Soil Survey Data Water-stained leaves FAC-Neutral Test Recorded Data Available (aerials, gauge)? Explain: Other. Remarks: Wetland Hydrology Criterion / Indicators Met? YES iQ DETERMINAT O : Is this plot a Wetland? YES (INO) l J,-3 -G fC, aerial Comments:, ~ 1 f~~ aLd b roaAAXAi A1V1QPa.A o Si"Q& in A Determined by: 4be/1~3zmin ~~r1C WAaki Fishman Environmental Services rev.5/03 WETLAND W-ERMINATION DATA SHEET - MANUAL Project #:03071 Site: , L-O Cn el(County. (~a,%u mknSta e:0(Z Date: 8/1-1/663 Plot: Applicant/Owner:f',*lf- Sect. (1 /4)).S Township a S Range Wet / n Plot Location: ti O 5 414. 6 tie -\.Ce ~ Topographic Location: a l cn 0 ( a~L~ Do normal environmental conditions exist? ©N Explain: Are soils vegetation hydrology significantly disturbed? N QCztjeLLdJ *Dominant Plant Species % Cover Ind. *Dominant Plant Species Stratum total cover. 00 (5' radius) jq)&sjj 4e,-%L A,5 .56 2Ln aft=trCP3~_ Q0 _ J6 5. 6. 7. 8. 9. Remarks: % Cover. Ind. Shrub/Sapling Stratum.(% total cover: 6) (10'radius) EA i.-gos - 2. C&C 3• 4. 5. Tree Stratum total cover: ) (30' radius) 1. 2. 3. Percent of Dominant Species that are OBL, FACW, or FAC (excluding FAC-): '~"/3 = 6, 7/5 Hydrophytic Vegetation, Criterion Met? - NO NWI Class SOILS - Mapped unit name:J" G Ae~ 30 I o a1h Matches Profile? Y close Taxonomy. wlj.C WaoICA-e-rolts Drainage Class: well Depth Horizon Matrix Color Mottle Abund., Size, Color, on Pores/Peds? Texture, Struct., Other Histosol - Reducing Conditions (test) Histic Epipedon Gleyed Sulfidic Odor Mottled (wh 10"Y Prob. Aquic Moisture Regime Concretions wr 3", >2mm) Remarks: (f0-1 D a,.OAe,A r6 e'- K Hydric Soil Criterion / Indicators Met? YES O HYDROLOGY HL Organic Cont. Sur£ Layer Organic Streaking Organic Pan Low Chroma On Hydric Soils List Major Portion of Root Zone . 4f" Depth of inundation: Depth to free water: Depth to saturation: seepage: 1° Indicators 20.Indicators 2° Indicators Inundated Oxidized Root'Channels in upper 12" Local Soil Survey Data Saturated in upper 12" Water-stained leaves FAC-Neutral Test Water Marks Recorded Data'Available (aerials, gauge)? Explain: Drift Lines Other. Sediment Deposits Remarks: Drainage Patterns Wetland-Hydrology Criterion / Indicators Met? YES TO DETERMINATION: Is this lot a Wetland? YES NO y►i Safi G a erra) S Comments: soi1.S e\ i S A r6eA cvje. Q o ~nlh id (2 ;S;lale nA Determined by Y~-&-IC a 1-~aY.3 Fishman Environmental Services rev-5/03 WETLAND ERMINATION DATA SHEET - MANUAL Project#:03o71 Site: LroCr~e~County,(va;~'°'S ae:OR Date:~l~/G3 Plot: Applicant/Owner-C" ntl 14 Sect.(1/4)J Y0 TownshipaS Range Wet / 14 do Plot Location: N. ~aaLo 066 F5 Topographic Location: /-,V 6rqk,~r "d'-r--"r, 0104:n +c) -ea s+ Do normal environmental conditions exist? ON Explain: Are soils vegetation hydrology significantly disturbed? Explain: VEGETATION *Dominant Plant Species % Cover Ind. *Dominant Plant Species % Cover Ind. erb Stratum total cover-16W (s' radius) S 2 OS-1~S n .~a 3. W o) Ct LS ) a.•,a iS . 4.~~t aA S 165 . a 6. Cie Zj., ilrti ~ C.S 5 7. S s. cuS Ga r-a 9. Remarks: Percent of Dominant Species that are OBL, FA or FAC (excluding FAC-). Va =6626 Hydrophytic Vegetation. Criterion Met? YES CO qua- C,10 Se NWI Class SOILS MaPPSunit name: I'''~~ dee 5,;141.4 G Matches Profile? Y (i 00se Taxonomy. (,d j' G U a, 01 oX D M ) /i,~ Drainage Class: Depth Horizon Matrix Color Mottle Abund., Size, Color, on Pores/Peds? Texture, Struct., other aw n^e1.5g1~ -siL TO Ca+,, 5 ~'rZ 3,4 a w l`'Jr, nQ dle,S de cn j~ Histosol - Reducing Conditions (test) Histic Epipedon Gleyed Sulfidic Odor ,-Mottled (wh 10")' Prob. Aquic Moisture Regime Concretions wh 3", >2mm ; Remarks: Hydric Soil Criterion / Indicators Met? ~ NO HYDROLOGY Shrub/Sapling Stratum total cover.__&) (10' radius) E'G 1. FI-V-- 2. FA G 3. EACLJ 4. ..E8G111 s• . ((A Tree Stratum total cover:_ (3o, radius) 1. _b 2. 3. Hi. Organic Cont Sur£ Layer Organic Strealdug Organic Pan ^Low Chroma On Hydric Soils U Major Portion of Root Zone r- 'S6Z Depth of inundation: Depth to free water. ' Depth to saturation: seepage: 10 Indicators 20 -Indicators 2° Indicators Inundated Oxidized Root Channels in'upper 12" Local Soil Survey Data Saturated in upper 12" Water Marks Drift Lines Sediment Deposits Drainage Patterns Water-stained leaves Recorded Data Available (aerials, gauge)? Explain: Other: Remarks: SOWS Ana - [ im1n u 4- Wetland Hydrology Criterion / Indidators Met? YES TO FAC-Neutral Test DETERMI ATIOIN: Is this plot a Wetland? YES Comments. -jkf.S lob i 40 O 0 le 8±) Determined by-, -aGC. I- M;' w C LA.-J afiLS Fishman Environmental Services rev.sro3 WETLAND ERMINATION DATA SHEET - MANUAL Project #:03c~ I Site: am b cue K- County: L~a.~State:O (Z Date: Nil a/B P ot: Applicant/Owner:Ci Sect.(1/4)j SCv TownshipaS Range et / Up . Plot Location: A., 5 o Topographic Location: ivIn kt4re 4:1~ an 14+ n in ucr4so~1 i0b //&nCIO Do normal environmental conditions exist? N Explain: 2" yr Are soils vegetation hydrology significantly disturbed?6>xplain: VEGETATION *Dominant Plant Species % Cover Ind. 7. 8. r Stratum total cover: (5' radius) 4 Qn t a 1. S 3 _St.L *Dominant Plant Species % C ver Ind. Shrub/Sapling Stratum.(% total cover: l o' radius) 1. 2. 3. 4. L°UG a inGSU1AC~4-~ 'lalarj ~c~l'/.Inain e~Giec~ .lam ? in Mcuf A TLbch ; C (aai a~-a S _FAu4 s. Tree Stratum total cover.._ (3o'radius) 1. 2. 9. 3. Remarks: to r tw S Lk)en~nrari a ; N ao~~ rt4 ara tic) Mold- -S Percent of Dominant Species that are OBL FACW, or FAC (excluding FAC-)-I 8 Hydrophytic Vegetation. Criterion Met? (W6 NO NWI Class PF/ / 1 SOILS Mapped unit name:? C, Matches Profile? Y Iose Taxonomy: LA) ~6L xp rd IS Drainage Class: Liel Depth Horizon Matrixy for Mottle Abund., Size, Colo Pores/Peds? Texture, Struct., Otter 413A3 L&jq 3La .r :L , Sl,rc^ ads a la-~ a ~0 3 a I / )a ~neS~ Histosol Reducing Conditions (test) Hi. Organic Cont. Sur£ Layer 1 n YY'~ f X Histic Epipedon Gleyed Organic Streaking Sulfidic Odor Mottled (wh 10" Organic Pan Low Chroma Prob. Aquic Moisture Regime Concretions (w/i 311, >2mm) On Hyddc Soils List Major Portion of Root Zone Remarks: Hydric Soil Criterion / Indicators Met? l`.=J :NO HYDROLOGY'S Depth of inundation: Depth to free water: Depth to saturation: - seepage: 1° Indicators 20.Indicators 20 Indicators Inundated Oxidized Root Channels inupper 12" Local Soil Survey Data Saturated in upper 12" Water-stained leaves ,FAC-Neutral Test Water Marks Recorded Data Available (aerials, gauge)? Explain: Drift Lines Other: Sediment Deposits Remarks: AOA-n - ) 61,54- be 1660 Drainage P n m S~ wetland Hydro ogy Criterion /Indicators Met?('YE NO DETER MI T~T,~'~'I?N: Istthis plot a Wetland? VS O Comments: Yt0 I ' _ L o '1'10 .44- X may' Q 0 Cho Determined by -I ~aCt-4 a 01A a+t shman Environmental Services rev.5ro3 WETLAND ERMINATION DATA SHEET - MANUAL Project #:03071 Site: olnrb C&neK• County. L--z, , iSta e:6R Date: 5/12/63 P ot:JA Applicant/Owner:Ci Sect.(1/4)J SCv Township a3 Range] et)/ Up Plot Location: N86 ems, t Alna-I l Topographic Location: ~S ~ man 064 )1 Do normal environmental con itio exist? (QN Explain: Are soils vegetation hydrology significantly disturbed? )Explain: VEGETATION *Dominant Plant Species % Cover Herb Stratum total cover. jCJ (5' radius) i oSrl_i S -~-er,uyS ~ ~O 4. sar~~tDc~ 1sa 5. nu en, Se. ' 6. 7. Ind. *Dominant Plant Species % Cover. Ind. Shrub/Sapling Stratum total cover:-Oj (19 radius) E4C 1. 2. ~J 4. G 5. Tree Stratum total cover. (30' radius) 1. 8. 2. 9. 3. Remarks. Percent of Dominant Species that are OBL FACW, or FAC (excluding FAC-): a/3 = (.2 - Hydrophytic Vegetation. Criterion Met? ~NO NWI Class PEM SOILS Mapped unit name: 1~)C bee- Taxonomy: (J 1-,- I' C Dep Horizon Matrix Color D- Io Y2 3J., 3 i -II joa 1t-IB to S 10arv--, matches Profile? Y lose s Drainage Class: Mottle Abund., Size, Color, on Pores/Peds? Texture, Struct., Other co,, nvA-- ~y/6 cad ; t-~- w Mal 4.5K 4~ awe si)4- Histosol . - Reducing Conditions (test) Histic Epipedon Gleyed Sulfidic Odor Mottled (w/i 10")' Prob. Aquic Moisture Regime Concretions (w/i 3", >2mm) Remarks: Hydric Soil Criterion / Indicators Met? fS NO HYDROLOGY Hi Organic Cont Surf Layer Organic Streaking -Organic Pan X , Low aroma On Hydric Soils List t f Major Portion of Root Zone Depth of inundation: Depth to„free water: Depth to saturation: seepage: 10 Indicators 20.Indicators 20 Indicators Inundated Oxidized Root Channels inupper 12" Local Soil Survey Data Saturated in upper 12" Water-stained leaves FAC-Neutral Test Water Marks Recorded Data Available (aerials, gauge)? Explain: Drift Lines Other: Sediment Deposits Remarks: So O ,i+ Drainage Patterns Wetland Hydrology Criterion / Indicato Met? YES NO DETERMINATION: Is this plot a Wetland? NO Comments:C2nXyA r1A e- e 44 Ar rn 1~Am)M(4 Determined by: aC T P~ \ ~iQ 4- C WY- V )a a Fishman Environmental Services rev.5i03 WETLAND ERMINATION DATA SHEET - MANUAL Project #:03071 Site: JtM, rbC&neK County-,Sta e:O(Z Date: 8/l3/63Plotj3 Applicant/Owner: Ci Sect.(1/4)j 5tO Township aS Range et / Up Plot Location: /V qU :a ea34 oL PIC+ ) a Topographic Location:_Wel,J 0t%&S Irises'-daam_P)0 - 1 Do normal environmental conditions exist? ©N Explain: Are soils vegetation hydrology significantly disturbed(Oxplain: . VEGETATION *Dominant Plant Species % Cover Ind. Herb Stratum total cover. (5' radius) S 064_e_/\S I -S 4. c e G~ 5. JEA6~o 6. !e-~l oY• pt' e B C- 7.~~ pAu i s. 9. Remarks: *Dominant Plant Species % Cover. Ind. Shrub/Sapling Stratum.(% total cover:_02 ) (IWradius) 1. 2. 3. 4. 5. Tree Stratum total cover. 1(30' radius) 1. 2. 3. Percent of Dominant Species that are OBL FACW, or FAC (excluding FAC-)*: = J z . Hydrophytic Vegetation. Criterion Met? CYES . NO NWI Class F/9 SOILS Mapped unit name: 0"GC_&e 1 C? ~6ar" Matches Profile? Y N close Taxonomy: j: j: j G )oX e_ffA IS Drainage Class:/n c-t1 el'a~Depth Horizon Matrix olor Mottle Abund., Size, Color, on Pores/Peds? Texture, Struct., 101M I 4-A 10ya -3j; cq-.-% ,e~ Ivy2 ~`~'s Cer►-,e. dS~~.~Srk~ncs~S~4~ 8-2) JcRa 3 ~A'4.S ~L4A AaAU/eS Si L , &brng) 6Ai1 Histosol Reducing Conditions (test) Histic Epipedon Gleyed Sukfidic Odor Mottled (w/i 10"Y Prob. Aquic Moisture Regime Concretions (w/i 3", >2mm) Remarks: Hydric Soil Criterion / Indicators Met?(j~!)S NO HYDROLOGY Depth of inundation: 1 ° Indicators Inundated Saturated in upper 12" Water Marks Drift Lines Sediment Deposits Drainage Patterns Hi. Organic Cont. Surd Layer Organic Streaking Organic Pan •_Low Chroma On Hydric Soils List //Major Portion of Root Zone Depth to free water: Depth to saturation: seepage: 20.Indicators 2° Indicators Oxidized Root Channels in -upper 12" Local Soil Survey Data Water-stained leaves FAC-Neutral Test Recorded Data Available (aerials, gauge)? Explain: Other: Remarks: SO 1' I S a r,CAfi Wetland Hydrology Criterion / Indicators Met? YES NO DETERMINATION: Is this plot a Wetland?tea N Comments: vv a)P Q[ a S ! )AnA +,4 a Determined by:_&o1CQ~ 6 EP11 1 .I- t~r-1C U7 aka Fishman Environmental Services m.sro3 WETLAND ERMINATION DATA SHEET - MANUAL ! Project #uZ671 Site..Ab rb c me- K County: Lv Sknc*oSta'fe:6 R Date: 81-1/G3 P ot: I' Applicant/Owner: C i r-a Sect.(1/4)J S(0 TownshipaS Range et / Up 'Plot Location: A., 476~i~a D ti S~ U Topographic Location: jan G j1 f [y}_ J?~ Do normal environmentaf conditions exist? N Explain: f Are soils - vegetation hydrology significantly disturbed? N&Explain: . VEGETATION *Dominant Plant Species % Cover Ind. *Dominant Plant RnriBe 5 7. 8. 9. Stratum total cover. W) (5' radius) 12eU in 4, ~Wa-ler,SiS - ~ AhArAinacap 2to --EAC- kwc, r FAc o a~.4,1r _ ~~S C &2w-X 31r % Cover. Ind. Shrub/Sapling Stratum total cover: 0) (io'radius) 2. 3. 4. 5. Tree Stratum total cover:-(Zj (30' radius) 1. 2. 3. Remarks: Percent of Dominant Species that are OBL FACW, or FAC (excluding FAC-):/3 Hydrophytic Vegetation. Criterion Met? #J -NO- NWI Class-a~j SOILS Sc.~~~z►G~E Mapped unit name: G I Matches Profile? Y(2close 0-If onlq Taxonomy:-LIPiiG 11 Drainage Class: k"eu Pep Horizon Matrix C for Mottle Abund., Size, Color, on Pores/Peds? Texture Struct., Other Si ,M, a04jraA-S A adl~' U a C A "4•5 ~ 9/ 94q (o ~t~Sc S; L. 1 rug S R - o Ccfn On eA 1.5~(t 3 k 4 1 s~L.~ra l~- Histosol Reducing Conditions (test) Hi. Organic Cont. Surf. Layer Histic Epipedon Rleyed Organic Streaking Sulfidic Odor Mottled (wh 1011) Organic Pan /i Low Chroma Prob: A u- 'c Moisture Regime -Concretions (w/i 3", >2mm) - On Hydric Soils List Major Portion of Root Zone Remarks. 4-6 q- -Z C,*t tz Hydric Soil Criterion / Indicators Met? S NO HYDROLOGY Depth of inundation: Depth to free water: Depth to saturation: seepage: 1° Indicators 2°.Indicators 2° Indicators Inundated Oxidized Root Channels'`n"upper 12" Local Soil Survey Data Saturated in upper 12" Water-stained leaves FAC-Neutral Test Water Marks Recorded Data Available (aerials, gauge)? Explain: Drift Lines Other: Sediment Deposits Remarks: _,SD I I S ~t~ ~hrc,t~l, Drainage Patterns Wetland Hydrology Criterion / Indicators Met? YES NO DETERMINATION: Is this plot a Wetland? S NO Comments: Gzf.~nak 'in e ~~a..~~a~e4}r, ~.U mlGf Determined by:. aC1 -Pn~ Mi,n d- M~r~1C a aK/S fishman Environmental Services rev.5i03 WETLAND RMINATION DATA SHEET -1* MANUAL Project #:03071 Site: arqno C&neK. County: L1Na.'~State:D2 Date: 8/1-1/63 Plod's Applicant/Owner:Ci Sect.(1/4)J $Cv Township XS Ranged v / UD Plot Location: ti 1 06+Q Topographic Location: W In e -et Do normal environmental conditions exist? N Explain: Are soils vegetation hydrology significantly disturbed?Explain: . VEGETATION *Dominant Plant Species % Cover Ind. Herb Stratum total cover. (5' 2. 3. Fe. .tra a 141 r%AJr,a«a 7. 8. 9. Remarks: *Dominant Plant Species % Cover Ind. radius) Shrub/Sapling Stratum.(% total cover: (lo, radius) .FAC I. We-) 2. -4yr LAPL 5. Ar EAC Tree Stratum total cover: J (30' radius) 1. 2. 3. Percent of Dominant Species that are OBL, ACW, or FAC (excluding FAC-):-YJ _ /0070 Hydrophytie Vegetation. Criterion Met? - NO NWI Class S M SOILS Mapped unit name: Taxonomy. J 1+i L Depth Horizon Matrix C 6-3 Low 3 -S A - p 3 l0 3 S iNu C) ao rn Matches Profile? Y N lose ~Cerd)IS Drainage Class: G Lf XII Mottle Abund., Size, Color, on Pores/Peds? Texture, Struct., tither Si L, Cc~,-S,CaI!S~4ia CaYN -e iiHq -s d Histosol - Reducing Conditions (test) _Histic Epipedon Gleyed Sulfidic Odor Mottled (w/i 10") Prob. Aquic Moisture Regime Concretions (w/i 3", >2mm) Remarks. Hydric Soil Criterion / Indicators Met? Ori°) NO HYDROLOGY Hi. Organic Cont. Sur£ Layer Organic Streaking ,-Organic Pan -Low Chroma On Hydric Soils List Major Portion of Root Zone Depth of inundation: Depth to free water. Depth to saturation:. seepage: 1° Indicators 20.Indicators 2° Indicators Inundated Oxidized Root Channels in'upper 12" . Local Soil Survey Data Saturated in upper 12" Water-stained leaves FAC-Neutral Test Water Marks Recorded Data Available (aerials, gauge)? Explain: Drift Lines Other: Sediment Deposits Remarks: ACS 1' ~.S 11 ro to), oLA+ Drainage Patterns Wetland Hydrology Criterion / Indicators Met? YES 10 DETERMINATION: Is this plot a Wetl ? NO Comments-Gar,, , o+ ►Ule ~ arE- me 0 Oear 699 Determined by -~C 1'Yl )C U0 -a Fishman Envi t .5ro3 +1/- ronmen sl Services 3.02.7 Tables and Figures Table 3.1 Vegetated Corridor Widths Sensitive Area Definition* Land Slope Width of Vegetated Perpendicular to Corridor per Side Sensitive Area Figure 3.1- Graphic 1 • Streams with intermittent flow draining: • 10 to <50 acres < 25% 15 feet • >50 to 100 acres 25 feet • Existing or created wetlands < 0.5 acre <25% 25 feet Figure 3.1- Graphic 2 • Existing or created wetlands > 0.5 acre • Streams with perennial flow <25% 50 feet • Springs with perennial flow • Streams with intermittent flow draining >100 acres • Natural lakes, ponds, and in-stream impoundments Figure 3.1- Graphic 3 • Tualatin River <25% 125 feet Figure 3.1- Graphic 4 • Springs with intermittent flow > 25% 15 feet • Existing or created wetlands >25% Variable • Tualatin River from 50-200 ft** • Streams with perennial flow • Streams with intermittent flow draining >100 acres • Springs with perennial flow • Natural lakes, ponds, and in-stream impoundments Figure 3.1- Graphic 5 • Streams with intermittent flow draining 10-100 >25% Variable acres from 50-200 ft*** Figure 3.1- Graphic 6 • Redevelopment sites adjacent to Water Quality Sensitive Areas other than the Tualatin River <25% 25 feet • Redevelopment sites adjacent to the Tualatin <25% 50 feet River . * See Chapter 1: Definitions for Sensitive Area, Intermittent and Perennial Flow Measured in 25-foot increments from the edge of the Sensitive Area to the break in slope (i.e. <25%). Add 35' feet past the break in slope to determine the Vegetated Corridor width, not to exceed 200 feet. For land divisions, the entire Vegetated Corridor must be contained in a tract. Measured in 25-foot increments from the edge of the Sensitive Area to the break in slope (i.e. <25%). Add 35 feet past the break in slope to determine the Vegetated Corridor width, not to exceed 200 feet. For land divisions, the first 50 feet closest to Sensitive Area must be placed in a tract; remaining area may be contained in easement. Storm and Surface Water Rules Chapter 3 - - Page 15 • 0 Table 3.2 Vegetated Corridor Standards Vegetated Corridor Condition Definition' Good Corridor Condition • Combination of native trees, shrubs, and groundcover covering greater than 80% of the area and greater than 50% • tree canopy exists (areal measure) Marginal Corridor Condition • • Combination of native trees, shrubs, and groundcover covering 50%-80% of the area and 26-50% tree canopy exists (areal • measure) (Enhancement up to "good" corridor condition required regardless of planned impact) Degraded Corridor Condition , • Combination of native trees, shrubs, and groundcover covering is less than 50% of the area and less than 25% tree canopy • exists (areal measure) • (Enhancement up to "good" corridor condition required regardless of planned impact) Requirements of Vegetated Corridor Protection, Enhancement, and/or Mitigation Provide certification, per Appendix C: Natural Resource Assessments, to District or City/County that the vegetated corridor meets condition criteria. Remove any invasive non-native species2 within the corridor by hand and revegetate cleared area using low impact methods? If impact is to occur, provide District or City/County with a native plant revegetation plan appropriate to the site conditions developed by an ecologist/biologist or landscape architect to restore condition. See Appendix D: Landscape. Requirements. Revegetate impacted area per approved plan to re- establish "good" corridor conditions Provide certification, per Appendix C: Natural Resource Assessments, to District or City/County that the vegetated corridor meets condition criteria. Remove any invasive non-native species within the corridor by hand or mechanically with small equipment, to minimize damage to existing native vegetation.2 Provide District or City/County with a native plant revegetation plan appropriate to the site conditions developed by an ecologist/biologist or landscape architect to restore to a good corridor condition. See Appendix D: Landscape Requirements. Vegetate corridor to establish "good" corridor . conditions Provide certification, per Appendix C: Natural Resource Assessments, to District or City/County that the vegetated corridor meets condition criteria. Remove any invasive non-native species within the corridor by hand or mechanically? Provide District or City/County with a native plant revegetation plan appropriate to the site conditions developed by an ecologist/biologist or landscape architect to restore to a good corridor condition See Appendix D: Landscape Requirements. Vegetate Corridor to establish "good" corridor conditions ' ' When a single plant community type contains multiple condition characteristics, the higher quality condition shall prevail 2 See Appendix C for plant lists and references. Refer to Integrated Vegetation Management Guidelines for appropriate methodology Storm and Surface Water Rules Chapter .3 - - Page 20 • 0 Vegetated Corridor Condition Assessment (UCCA) for CWS Natural Resource Assessment Site: Fanno Creek Trail - Fanno Creek Park Segment Investigators: Stacv Beniamin Fishman Environmental Services Date: December 3. 2003 Community # 1: Grass field Plot # VECOL south of north wetland % of Corridor 75% Tree Soecies. % Cover. Native. Invasive or Noxious - 30-foot radius: 40% cover *Oregon white oak (Quercus garryana, UPL), native, 40% Shrub Soecies, % Cover. Native. Invasive or Noxious - 30-f6ot radius: 0% cover Herb Soecies. % Cover. Native, Invasive or Noxious - 10-foot radius,: 100% cover *colonial bentgrass (Agrostis tenuis [[capillaris]], FAQ, non-native, 50% *tall fescue (Festuca arundinacea, FAC-), non-native, 40% orchard grass (Dactylis glomerata, FACU), non-native, 10% common velvetgrass (Holcus lanatus, FAC), non-native, trace meadow foxtail (Alopecurus pratensis, FACW), non-native, trace ornamental hawthorn seedlings (Crataegus monogyna, FACU+), non-native, trace *Dominant % Cover by Natives: 40% % Tree Canopy: 40% Corridor Condition: Degraded Fishman/SWCA Project 8352-199 VCCA Page l of 4 0 VCCA for CWS Natural Resource Assessment, cont'd Site: Fanno Creek Trail - Fanno Creek Park Sesment Investigators: Stacv Beniamin Fishman Environmental Services Date: December 3. 2003 Community # 2: Disturbed roadside Plot # VEC02. west of north wetland % of Corridor 5% • Tree Species. % Cover. Native. Invasive or Noxious - 30-foot radius,: 0% cover Shrub Species. % Cover. Native. Invasive or Noxious - 30-foot radius: 80% cover *Himalayan blackberry (Rubes discolor, FACU), non-native, noxious, 80% ornamental hawthorn (Crataegus monogyna, FACU+*), non-native, trace Herb Species. % Cover_ Native. Invasive or Noxious - 10-foot radius,: 75% cover *Watson's [hairy] willow-herb (Epilobium watsonii [ciliatum], FACW-), native, 30% *bluegrass (Poa species, FAC), probably non-native, 20% reed canarygrass (Phalaris arundinacea, FACW), invasive, 10% crane's-bill (Geranium species, FAC-/FACU+/UPL), probably non-native, 10% quack grass (Agropyron [[Elytrigia]] repens, FAC-), noxious, trace tall fescue (Festuca arundinacea, FAC-), non-native, trace common velvetgrass (Holcus lanatus, FAC), non-native, trace bull thistle (Cirsium vulgare, FACU), noxious, trace *Dominant % Cover by Natives: 30% % Tree Canopy: 0% Corridor Condition: Degraded Fishman/SWCA Project 8352-199 VCCA Page 2 of 4 0 VCCA for CWS Natural Resource Assessment, cont'd Site: Fanno Creek Trail - Fanno Creek Park Segment. Investigators: Stacv Beniamin Fishman Environmental Services Date: December 3. 2003 Community # 1: Grass field Plot # VEC03. south of north wetland & west of south wetland % of Corridor 75% 0 Tree Species. % Cover. Native. Invasive or Noxious - 30-foot radius.: 0% cover Shrub Species. % Cover. Native. Invasive or Noxious - 30-foot radius,: 0% cover Herb Species. % Cover. Native. Invasive or Noxious - 10-foot radius: 100% cover colonial bentgrass (Agrostis tenuis [[capillaris]], FAC), non-native, 50% tall fescue (Festuca arundinacea, FAC-), non-native, 35% meadow foxtail (Alopecurus pratensis, FACW), non-native, 10% common velvetgrass (Holcus lanatus, FAC), non-native, 5% reed canarygrass (Phalaris arundinacea, FACW), invasive, trace spotted cats-ear (Hypochaeris radicata, FACU*), non-native, trace Queen Anne's lace (Daucus carota, UPL), non-native, trace curly dock (Rumex crispus, FAC+), non-native, trace chicory (Cichorium intybus, UPL), non-native, trace *Dominant % Cover by Natives: 0% % Tree Canopy: 0% Corridor Condition: Degraded Fishman/SWCA Project 8352-199 VCCA Page 3 of 4 0 VCCA for CWS Natural Resource Assessment, cont'd Site: Fanno Creek Trail - Fanno Creek Park Segment Investigators: Stacv Beni amin Fishman Environmental Services Date: December 3. 2003 Community # 3: Riparian fringe along Fanno Creek Plot # VECO4 % of Corridor 20% • Tree Species, % Cover, Native, Invasive or Noxious - 30-foot radius,: 30% cover red alder (Alnus rubra, FAC), native, 15% Oregon ash (Fraxinus latifolia, FACW), native 10% walnut (Juglans species, UPL), non-native, 5% Shrub Species. % Cover, Native, Invasive or Noxious - 30-foot radius,: 1001/o cover Himalayan blackberry (Rubus discolor, FACU), non-native, noxious (in Oregon), 90% red-osier dogwood (Corpus stolonifera [[sericea]], FACV), native, 5% Pacific ninebark (Physocarpus capitatus, FACW-), native, 5% Herb Species, % Cover, Native. Invasive or Noxious - 10-foot radius,: 30% cover poison hemlock (Conium maculatum, FAC+), noxious, 20% reed canarygrass (Phalaris arundinacea, FACW), invasive, 10% *Dominant % Cover by Natives: 50% % Tree Canopy: 40% Corridor Condition: Degraded Fishman/SWCA Project 8352-199 VCCA Page 4 of 4 Fanno Creek Trail - Fan*Creek Park / Tigard Library Ament Planting Specifications for the Vegetated Corridor Enhancement Area (4,000 square feet): Scientific Name Common Name Size Spacing/Seeding Rate Quantity Trees Acer macrophyllum big-leaf maple 2 gallon 10 feet on center 15 Pseudotsuga menziesii Douglas fir 2 gallon 10 feet on center 15 Quercus garryana Oregon white oak 2 gallon 10 feet on center 10 Shrubs Holodiscus discolor oceanspray 1 gallon 4-5 feet on center 70 Ribes sanguineum red flowering 1 gallon 4-5 feet on center 70 currant Symphoricarpos albus snowberry 1 gallon 4-5 feet on center 70 Seed Mix Bromus carinatus native California seed 10 lbs pls/acre As needed for bare brome soil areas >25 sq. Elymus glaucus blue wildrye seed 10 lbs pls/acre ft. following Festuca rubra var. rubra native red fescue seed 5 lbs pls/acre invasive species Lupinus polyphyllus large-leafed lupine seed 81bs pls/acre removal Plantine Notes (oer CWS Design & Construction Standards. Annendix D Landscape Reouirements. March 2004): 1) Himalayan blackberry is present in the vegetated corridor along Fanno Creek. Due to its proximity to Fanno Creek, mechanical control by hand consistent with Clean Water Services' Integrated Vegetation and Animal Management Guide (March 2003) is recommended to control its spread prior to installing plantings. 2) Plantings should preferably be installed between February 1 and May 1 or between October 1 and November 15. Plants may be installed at other times of the year; however, additional measures may be necessary to ensure plant survival. Irrigation or other water practices (i.e. polymer, plus watering) shall be used during the two-year maintenance period. Watering shall be provided at a rate of at least one inch per week between June 15 and October 15. 3) Plantings shall be mulched a minimum of three inches in depth and 18 inches in diameter to retain moisture and discourage weed growth around newly installed plant material. 4) Tree plantings shall be protected from wildlife damage (beaver, nutria) by installing tree-protector tubes or wire mesh cylinders. around newly installed plantings. Maintenance Plan: 1) Clean Water Services requires a two-year maintenance period for vegetated corridor mitigation. The mitigation site is to be inspected annually, a minimum of three times during the growing season and one time prior to onset of the growing season. Invasive species control is to be conducted as needed based upon the site inspections. 2) Clean Water Services' success criterion for vegetated corridor landscaping is 80% survival of tree and shrub plantings during the 2 years following planting. The vegetated corridor landscaping should be monitored annually in the spring or fall to assess survival of tree and shrub plantings. If any mortality is noted on the site, the factor likely to have caused mortality of plantings is to be determined and corrected if possible. If survival falls below 80% at any time during the two-year maintenance period, the plantings shall be replaced, and other corrective measures, such as additional mulching or irrigation, may need to be implemented. If replanting is necessary, the maintenance period will be extended for two years from the date of replanting. Fishman/SWCA. Project 8352-199 Page 1 of 1 ,c. srREaM , J`~~~X C R~~c nci J . ~ f wA .P4 •P rP5 F -0 a. I d i ~Np ~ I vP A6 .P6 • P7 1 W ~ •P P2~ 4 r Fbt3D t i y/ B, 3` J t. C l ~Ep NDGE 10 BRtl5l~ ,PB C8 la 14 V ~PAII \N 4 P C6 _ 819 B2 GREEK FANNO P Leeend N PIS S.V-ple pws s" Area Source: DeHaas & Associates, September 2003. Wetland boundaries & sample plots professionally 1 nch - sn r«t land surveyed. Map accuracy 1 foot. Fislinima 5WCA Ponlmd ice 434 NW Sixth Avenue. Suite 304 Pon).& Oregon 97209 Tel 503.224.0333 Fai 503.224.1851 mvw.sMCa.u+m Fanno Creek Trail Fanno Creek Park Segment Wetland Delineation & Natural Resource Assessment WETLAND BOUNDARY MAP Figure 51 Dec. 2004 1 Project 8352-199 0 Fanno Creek Trail - Fanno Creek Park Segment Fishman/SWCA Project 8352-199 photos by S. Benjamin 8/12/03 Photo 1. View south of ponded area of north wetland and wetland plots I & 2. Photo 2. View north of disturbed roadside vegetated corridor (Community 2) adjacent to north wetland. 0 acerit est edge Of wrilh 03 photo, • iew n ty 1~. photos by S Ben~a~ _ m X99 corridor (Com project835~ - A. • • Fanno Creek Trail - Fanno Creek Park Segment wetland. Fishman/SWCA Project 8352-199 photos by S. Benjamin 8/12/03 Photo 5. Wetland plot 11 located in vernal pool/depression area portion of south Photo 6. View east of wetland plot 13 and riparian/scrub-shrub fringe in background near confluence of Fanno Creek and unnamed tributary. 0 • Fanno Creek Trail - Fanno Creek Park Segment (Community 3) north of Fanno Creek. Fishman/SWCA Project 8352-199 photos by S. Benjamin 8/12/03 Photo 7. View south showing narrow riparian/scrub-shrub vegetated corridor Photo 8. View west toward Hall Boulevard bridge over Fanno Creek 0 TABLE OF THE VEGETATION OF THE FANNO CREEK PARK SITE Scientific Name Common Name Indicator Status Native/ Introduced WETLANDS quack grass Agropyron [[Elytrigia]] repens FAC- noxious colonial bentgrass Agrostis tenuis [[capillaris]] FAC non-native water foxtail Alopecurus geniculatus OBL native meadow foxtail Alopecurus pratensis FACW introduced red alder Alnus rubra FAC native mayweed chamomile Anthemis cotula FACU introduced sweet vernalgrass Anthoxanthum odoratum FACU introduced one-sided sedge Carex unilateralis FACW native chicory Cichorium intybus UPL introduced red-osier dogwood Cornus stolonifera [[sericea]] FACW native black hawthorn Crataegus douglasii FAC native ornamental hawthorn Crataegus monogyna FACU+ introduced orchard grass Dactylis glomerata FACU introduced ovoid spikerush Eleocharis ovata OBL native tall fescue Festuca arundinacea FAC- introduced Oregon ash Fraxinus latifolia FACW native low cudweed Gnaphalium uliginosum FAC+ native ? [Filaginella uliginosa] common velvetgrass Holcus lanatus FAC introduced Mediterranean barley Hordeum geniculatum [hystrix] FACU+ introduced spotted cats-ear Hypochaeris radicata FACU introduced orange balsam Impatiens capensis FACW native Fishman/SWCA Project 8352-199 • • TABLE OF THE VEGETATION OF THE FANNO CREEK PARK SITE is Scientific Name Common Name Indicator Status Native/ Introduced soft rush Juncus effusus FACW native slender rush Juncus tenuis FACW- native birdsfoot-trefoil Lotus corniculatus FAC introduced reed canarygrass Phalaris arundinacea FACW invasive timothy. Phleum pratense FAC- introduced English plantain Plantago lanceolata FAC introduced Pacific.ninebark Physocarpus capitatus FACW- native clustered wild rose Rosa pisocarpa FAC native Himalayan blackberry Rubus discolor FACU noxious curly dock Rumex crispus FAC+ introduced willow Salix species FAC or wetter native bittersweet nightshade Solanum dulcamara FAC+ invasive American speedwell Veronica americana OBL native UPLANDS colonial bentgrass Agrostis tenuis [[capillaris]] FAC introduced meadow foxtail Alopecurus pratensis FACW introduced chicory. Cichorium intybus UPL introduced ornamental hawthorn Crataegus monogyna FACU+ introduced Queen Anne's lace Daucus carota UPL introduced orchard grass Dactylis glomerata FACU introduced tall fescue Festuca arundinacea FAC- introduced common velvetgrass Holcus lanatus FAC introduced spotted cats-ear Hypochaeris radicata FACU introduced Fishman/SWCA Project 8352-199 I 0 0 TABLE OF THE VEGETATION OF THE FANNO CREEK PARK SITE Scientific Name Common Name Indicator Status Native/ Introduced slender rush Juncus tenuis FACW- native reed can arygrass Phalaris arundinacea FACW invasive Oregon white oak Quercus garryana UPL native rose Rosa species - native Himalayan blackberry Rubus discolor FACU noxious curly dock Rumex crispus FAC+ introduced red clover Trifolium pratense FACU introduced Fishman/SWCA Project 8352-199