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PFI2020-00260
CITY OF TIGARD PUBLIC FACILITIES IMPROVEMENT PERMIT COMMUNITY DEVELOPMENT Permit#: PF12020-00260 Date Issued: 07/16/2020 TIGARD 13125 SW Hall Blvd.,Tigard OR 97223 503.718.2421 Parcel: 2S103DC01100 Jurisdiction: Tigard Site address: 11075 SW GAARDE ST A Subdivision: None Lot: None Project: East Fork Derry Dell Creek Project Description: Restore stream channel on segment of East Fork of Derry Dell Creek at Gaarde to cover exposed sanitary sewer Class of Work: FEES Description Date Amount Type 2-Sidewalk/Driveway Approach Erosion Control Fee 07/16/2020 $472.80 Total $472.80 Owner: REQUIRED INSPECTIONS Call 503-639-4175 for the IVR inspection request line or visit the City of PHONE: Tigard website at www.tigard-or.qov to schedule inspections online. Contractor: PHONE: Applicant: CARLA STAEDTER PHONE: 9712557726 Please sign below to indicate acceptance of conditions and return a copy with the proposed work schedule along with names and contact information of responsible parties before beginning work. PermitteelApplicant Signature: See application L � Issued By: --�- ---� Special Conditions(See Attached) Note:THIS PERMIT DOES NOT COVER WORK ON PRIVATE PROPERTY Conditions for PF12020-00260 Type: Condition Name: Status: Severity: PFI_Sidewalk/[ 01 -WORK SITE REQUIREMENTS Applied Notice Applicant must comply with all applicable provisions of federal and state law,the Tigard Municipal Code, and the terms of any agreement with the City of Tigard regarding work to be done pursuant to this permit. PFI_Sidewalk/[ 02-WORK SITE AREA Applied Notice The work area and approach roads shall be maintained in a clean condition, free from obstructions and hazards. The spreading of mud or debris or storage of materials or equipment of any kind upon any public roadway is strictly prohibited and violation shall be cause for immediate cancellation of the permit. The City may at any time order immediate clean-up and suspension of work to accomplish clean-up. PFI_Sidewalk/[ 03-WORK SITE EROSION CONTROL Applied Notice Prior to starting work, effective and approved erosion control devices must be installed and maintained meeting the Clean Water Services and DEQ requirements. The City may at any time order corrective action and suspension of work to accomplish effective erosion control. PFI_Sidewalk/[ 04-WORK SITE REPAIRS Applied Notice Disturbed landscaped areas shall be restored or replaced. Existing signs, pavement markings, mailboxes, etc. shall be reinstalled or replaced,with like kind of material. Obtain City approval of restoration work. PFI_Sidewalk/[ 05-TRAFFIC CONTROL SPECIFICATIONS Applied Notice Applicant shall provide traffic control according to the current edition of the"Manual on Uniform Traffic Control Devices [MUTCD]for Streets and Highways", U.S. Dept. of Transportation, FHWA,current edition,American Traffic Safety Services Association [ATSSA], and Oregon Temporary Traffic Control Handbook[OTTCH]. PFI_Sidewalk/[ 06-TRAFFIC CONTROL PLAN Applied Notice Submit a job specific traffic control plan. A copy of the approved traffic control plan shall be readily available at the work area.Traffic control devices,flag persons, etc., shall be in place prior to initiation of construction work and shall be effectively maintained. PFI_Sidewalk/[ 07-TRAFFIC CONTROL ROAD CLOSURE Applied Notice Public roadway shall not be closed to traffic, at any time, without obtaining written approval from the City Engineer. The applicant is responsible to provide 48 hour advance notice of traffic flow disruptions to affected businesses, residents and area wide Emergency Services:503-629-0111 (Tigard Police Dept.,Tualatin Fire& Rescue)and to 503-962-8140 (Tri-Met) and 503-431-2345(Tigard School District)and other service providers impacted by such closure. PFI_Sidewalk/[ 08-TRAFFIC CONTROL ADVANCE WARNING Applied Notice Advance warning of traffic disruption shall be provided to the public by placement of an approved advance notification sign at each end of the construction area 72 hours(min.) before initiation of construction work. PFI_Sidewalk/[ 09-TRAFFIC CONTROL PROPERTY ACCESS Applied Notice Access to existing properties shall be maintained at all times, including normal delivery service and mail service. Obtain City approval of any access closures. PFI_Sidewalk/[ 10-TRAFFIC CONTROL WORK HOURS Applied Notice Work is permitted in daylight between the hours of 7:00 a.m.to 7:00 p.m. Mon-Fri unless otherwise authorized by the City. PFI_Sidewalk/[ 11 -TRAFFIC CONTROL LIMITED WORK HOURS Applied Notice Hours of construction work on collector and arterial roads will be limited to 9:00 a.m.to 3:00 p.m. unless authorized by the City Engineer. Work will not be permitted on collector and arterial roads between 3:00 p.m. to 9:00 a.m. unless authorized by the City Engineer. PFI_Sidewalk/[ 12-TRAFFIC CONTROL MODIFICATION Applied Notice The City reserves the right to add to or modify traffic control requirements as necessary to effectively control traffic and to assure public safety. PFI_Sidewalk/[ 13-DRAINAGE CONTROL Applied Notice Drainage shall be controlled within the work site and shall not adversely affect adjacent private property, public property and the receiving system. The City may at any time order corrective action and suspension of work to accomplish effective drainage control. PFI_Sidewalk/[ 14-UTILITY NOTIFICATION Applied Notice Oregon law requires following the rules adopted by the Oregon Utility Notification Center. Said rules are set forth in OAR 952-001-0100 through OAR 952-001-0080. Copies of said rules may be obtained from the Center by calling 503-246-1987. If you have any question about the rules, contact the Center. NOTE: Damage to utilities shall be corrected at the permit holder's expense • PFI_Sidewalk/[ 15-UTILITY LOCATION CONFLICT Applied Notice Applicant must verify all existing utilities for both vertical elevation and horizontal location prior to start of work(pothole before digging if necessary). Should conflicts arise and redesign or relocation of facilities be necessary, it shall be done at the applicant's expense. Changes must be approved by the City in advance of work.Applicant shall coordinate the work with affected utility agencies. PFI_Sidewalk/[ 16-TEMPORARY PATCH Applied Notice A temporary hard-surface patch shall be placed on trenches within roadways at the end of each work shift. Obtain advance approval of patching method. No trench shall be left at any time in an un-safe condition. Applicant is responsible for and is liable for hazards or damage resulting from the prosecution of the work. PFI_Sidewalk/[ 17-REPAIR OF EXISTING FACILITIES Applied Notice Work under this permit shall include repair of existing facilities(roads,ditches,etc.) as may be necessary, as determined by the Inspector,to overcome deterioration or damage which occurred in conjunction with the work authorized by the permit. Corrective work shall be done at the applicant's expense. PFI_Sidewalk/[ 18-SEWER SYSTEM TEST Applied Notice A sewer system air-test and/or DVD T.V.test report and one set of"As-Builts"shall be provided for review and approval. PFI_Sidewalk/[ 19-PRECONSTRUCTION MEETING Applied Notice Before initiating any construction activity,the applicant shall coordinate with the City's inspector, <Insert Name>at<Insert Phone#>,to establish a preconstruction meeting. PFI_Sidewalk/[ 20-NOTICE TO COMMENCE WORK Applied Notice The applicant shall notify the City's Inspector twenty-four(24) hours prior to commencing work, prior to any staged inspection, and after completing work covered by the permit. Contact Ken Fisher at 503 816 6146 or Kenny@tigard-or.gov PFI_Sidewalk/[ 21 -PERMIT/PLAN ON SITE Applied Notice A copy of the permit including a Certificate of Insurance,and all attachments,and a copy of the approved construction plan and all amendments shall be readily available at the work area. All work shall conform to the permit terms, conditions and provisions and to the City approved permit plans, and approved plan amendments and to the City's standards and specifications and to these General Conditions. Changes to any of these must be approved by the City, in advance of work performance. PFI_Sidewalk/[ 22-DAILY INSPECTION REPORTS Applied Notice Applicant shall submit daily inspection reports, on a weekly basis,to the City's Inspector. PFI_Sidewalk/[ 23-MONUMENT PROTECTION Applied Notice Existing monuments, property corners, and survey markers shall be protected. Replacement shall be at the permit holder's expense. PFI_Sidewalk/[ 24-VALIDATION OF MATERIAL/CONSTRUCTION Applied Notice The City's Inspector may,at his discretion, require tests and or reports from the applicant to validate claims of material or construction adequacy/compliance. Such tests/reports shall be provided at the applicant's expense. PFI_Sidewalk/[ 25-EMERGENCY CONTACTS Applied Notice Provide to the City inspector, in writing,the names and 24 hour emergency telephone number of two(2) persons who have authority to resolve problems,take corrective action and, in general,will be responsible in case of any emergency. The applicant shall notify the City Inspector, in writing, of any/all assignment changes. PFI_Sidewalk/[ 26- RIGHT OF ENTRY/EASEMENTS Applied Notice Applicant to obtain proper right-of-entry and/or easements prior to starting work. Proof of right-of-entry or properly executed easements, shall be provided to the City. The City shall in no way be construed to be liable for the applicant's failure to obtain or provide for proof of right-of-entry or easements. PFI_Sidewalk/[ 27-PRIVATE PROPERTY AGREEMENTS Applied Notice Provide the City a copy of an executed agreement's]from the owner for each private property disturbed by construction activity. PFI_Sidewalk/[ 28-AS-BUILT DRAWING Applied Notice One as-built drawing showing all new public improvements, including any revision made to the previously approved construction plans and, also,any improvement which may impact an existing public system or facility, shall be provided to the City by a registered civil engineer along with an engineer's certification of installation compliance(Certificate of Compliance). PFI_Sidewalk/[ 31 -OTHER Applied Notice Other RECEIVED City of Tigard JUL 15 2020 �"IIIIIIPUBLIC WORKS — ENGINEERING CITY OF TIGARD P r.f..)E INEERING A IGARD Public Facility Improvement cl' ermit TYPE OF WORK DESCRIPTION OF WORK(in the right-of-way) ❑ TYPE 1-Franchise Utility Work Check one: X Utilities ❑ Sidewalk/driveway approach 0 Streetimprovements performed by NWN, PGE Detailed description: The project restores the stream channel on and/or utility agency. a segment of the East Fork Derry Dell Creek at Gaarde to cover an ❑ TYPE 2-Sidewalk/Driveway/Sewer exposed sanitary sewer. Work performed for the purpose of • Sidewalk installation or repair. • Driveway approach installation Property address/location(s): 11075 SW Gaarde St.._ and/or repair Tigard,OR 97224 In stream next to lower parking lot. • Sanitary sewer lateral installation and/or main line tap A licant: City of Tigard ❑ TYPE 3-Full scale Development Pp 13125 SW Hall Blvd. Work performed with Land use Address: approval which includes any of City/state: Tigard zip: 97223 the following: Phone:C 971-255-7726 Email: carla@tigard-or.gov • Subdivisions or Partitions Contact name: Carla Staedter Phone: 971-255-7726 • Street widening • Mainline installation for Sanitary sewer,o Storm sewter,Tigard waterea Contractor: Evergreen Developers LLC and/or Tigard Water Service Area CCB#: 02580 Expiration: Address: 235 Barclay Ave. SUBMIT COMPLETED APPLICATION TO: City/state: Oregon City, OR zip: 97045 City of Tigard Planng Phone: 503-732-6119 Email: erem(Gievdv.net 312niSWEngineelvd. 1 13125 SW Hall Blvd. Contact name: Jeremy Tjaden Phone: same Tigard,OR 97223 Applications for"minor work in right-of-way' Engineer: Ota k only may be emailed to: rowpermits@tigard-or.gov Address: 808 SW Third Avenue City/state: Portland, OR Zip: 97204 rod srnr•i' USE ohi.ti Phone: 503-287-6825 Email: kevin.timmins@otak.com Case No.: 7Y`2•a2•D—QO.262� Contact name: Kevin Timmins Application submittal fee: $ `''1.1.Pei Additional fees: $ Estimated value of work is required(if over$5,000):$ (a a 1 1)D/I " Application accepted: (within the public right-of-way) By: /�..pp Date: 34) Ap Is work related to a LAND-USE DECISION? ❑ Yes No By: tL1ion reviewed: .f i4i4 tit_ Date: 1-1(./-ad If so,please specify(M1LP, SDR,SUB,etc.) case#: Applicant notified: Is work related to a BUILDING PERMIT? ❑ Yes rie No By: Date:1 l((e120 If so,please specify(BUILDING PERMIT)case#: I:\ENG\PermitApplication,\pf application Rev.12/16/2016 City of Tigard • 13125 SW Hall Blvd. • Tigard,Oregon 97223 • www.tigard-or.gov • 503-718-2421 • Page 1 of 4 APPLICANTS NOTE: Person specified as `Applicant" shall be designated"Permittee"and shall provide financial assurance for work,if required by the city pursuant to TMC 15.041.140. * With the exception of a utility operating pursuant to a valid franchise with the City of Tigard,when the owner and the applicant are different people,the applicant must be the purchaser of record or a lessee in possession with written authorization from the owner or an agent of the owner. The owner(s)must sign this application in the space provided or submit a written authorization with this application. Franchised Utilities are not required to obtain the owner's signature on the application BY SIGNING BELOW,THE APPLICANT(S) SHALL CERTIFY THAT: • The above request does not violate any recorded deed restrictions that may be attached to or imposed upon the subject property. • If the application is granted,the applicant will exercise the rights granted in accordance with the terms and subject to all the conditions and limitations of the approval. • All of the above statements and the statements in any plot plan,attachments,and exhibits transmitted herewith,are true;and the applicants so acknowledge that any permit issued,based on this application,may be revoked if it is found that any such statements are false. • The applicant has read the entire contents of the application,including the policies and criteria,and understands the requirements for approving or denying the application. "7-15- 2a Applicant/Autho ed Agent's signature Print name Date SIGNATURES of each owner of the subject property, if required. Owner's signature Print name Date Owner's signature Print name Date Owner's signature Print name Date PUBLIC FACILITY IMPROVEMENT PERMIT City of Tigard • 13125 SW Hall Blvd. • Tigard,Oregon 97223 • www.tigard-or.gov • 503-718-2421 • Page 2 of 4 DEVELOPMENT ENGINEERING FEES FOR STAFF USE ONLY Public Facility Improvement(PFI) Permit: DETAILED SUBMITTAL APPLICATION FEE REQUIREMENTS Part 1: Required submittal fee$300.00 FRANCHISE UTILITY AND SIDEWALK/ PERMIT FEE DRIVEWAY AND UTILITY CONNECTIONS,ETC. Part 2: All non-water system improvements (work in the right of way) Engineer's estimate X 5%(less$300.00 submittal fee) Engineer's estimate X 2%Plan Review Sketch (including information below) WATER SYSTEM FEE 0 Dimensions Part 3: All public water system improvements ❑ Street Name Engineer's estimate X 12% ❑ Site Address PFI Permit Fee Exemptions: FULL SCALE DEVELOPMENT There will be no permit fee charged,or assurance required for the following types of work: (Subdivisions/Partitions and Street Improvements) • Sidewalk repair(less than 20 lineal feet) • Relocate or replace mailbox Design Plans • Ditch cleaning that does not involve regrading. (6 sets,24x36 or 22x34) • Weep hole repair ❑ Cover-Site,Vicinity,Abbreviation,Legend • Curb repair or replacement (less than 20 lineal feet) ❑ General Notes(City,Water,Sewer,etc.) • Lawn sprinkler system installation or repair ❑ Street(Plan,Profile) • Street tree pruning or planting ❑ Water,Storm and Sanitary(Plan Profile) • Planter strip landscape maintenance 0 Water Quality Facilities • Test wells ❑ Grading ❑ Landscaping/Tree Plan ❑ Composite Utility Plan(Electrical,Phone,Gas, Note: A cash assurance may be required per Storm,Sanitary,Water,Signage,Street Lights,etc) TMC 15.04.140.(customer deposit) ❑ Details ❑ Traffic Sight Distance ❑ Signing and Striping ❑ Street Light Plan and Photometric ❑ Engineers seal/signature ❑ Sheet label(project land use name,revision and plan log block,dates and sheet numbers.) Additional Submittals (per Land Use conditions) ❑ Traffic Report ❑ Storm water Drainage Calculations ❑ Geotechnical Report ❑ Preliminary Access Report(Sight Distance) ❑ Proposed Plat ❑ Pathway Design(if applicable) ❑ Water Department Approval PUBLIC FACILITY IMPROVEMENT PERMIT City of Tigard • 13125 SW Hall Blvd. • Tigard,Oregon 97223 • wwwtigard-or.gov • 503-718-2421 • Page 3 of 4 SAMPLE SKETCH: Qw »bra• 1 Edge of Pavement 4— Ditch —� Streetlight - -•—•—•—•—•��•._r—•— (IIVnna.0 i i T--1317T slf•Sie� nur i • (1) •;I • , I • Existing House �� 1 Existing �! A • Driveway • a1 3' I vi • it , I at 41 `a I `—I 3 ci!I V 'I cla 4 I j o 1 Existing Shop j :. , \ Powerpole I I r I 0 • 0 gi I' 1 O-------Fogerty Line — I I O Fire Hydrant(FH) I I iI Scale: 'I"=30' I I I I I I MINIMUM SKETCH REQUIREMENTS(Put"N/A"if Not Applicable): North arrow Property lines &dimension Slope of property Street &street name(s) Existing building, structures _Utility&street light poles Proposed work _ Existing curb or edge Trees Existing S/W or of pavement Existing utility locations D/W apron (sewer,water,storm) PUBLIC FACILITY IMPROVEMENT PERMIT City of Tigard • 13125 SW Hall Blvd. • Tigard,Oregon 97223 • wwwtigard-or.gov • 503-718-2421 • Page 4 of 4 - r t - ! •, • s -' T} _ o- ? r- ,..,,, __ _....u. , i '..- ...! ' 4 M , 4 ' --iiii.1 _ 1,L . l': , :4 1. . 'ilit;;;'. ' c ....,,,, e...m.., , ,. 4 4 „ ,v l' '1, ' ,., ,,, r � IJi r' O howl.rp,: OP r! 1;' (i ce 1 -id P 'a ^rM, ' I ? r ''1 ! .� 4, it s i ... 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A :T p 1 .. ,, "1 Li - ...N ' + ' 1 r-s a - ' . S- ; is .,: 3 1 —, ti 1 e i °) "..` • � ' .am.,-` `1 .. ! 1 i 1;'.'A'4''i''''.;..4'i's''r.i t,riY,. �+ ;`1:'` ♦ .,, �, + A. •," 7 7 . _ls., 44 * ,. it ! I a L 4C°.�., >ail i w i 1 ,.. 1 ' . Otak , EAST , l to) / i i ` � i L � `/ 1 TI 7[/ JZAC TISN •I � III ' IJ T 808 S�Otak, Inc. ,Portland,OR S, 503.287.6825 Waw.olBA.mm CITY OF TIGARD, ORPI'GON RECEIVED JUL 15 2020 CITY OF TIGARD 7 rlij PLANNING/ENGINEERING PROJECT CONTACTS SHEET INDEX PROJECT SPONSOR SHEET TITLE TIGARD CARLA j STAED RR 1 COVER SHEET ENGINEERING PROJECT COORDINATOR CITY OF TIGARD 2 ENGINEERING SPECIFICATIONS y (503)718-2788 {�' Yi 3 PLAN&PROFILE(UPPER REACH) I— o`' 'a PROJECT ENGINEER U 6 KEVIN TIMMINS,P.E. 4 PLAN&PROFILE(LOWER REACH) W �W4/ w 4Qr sw FAlBxa eN sr g# 003�415 2340 5 CROSS SECTIONS(LOWER REACH) 0 (56 CROSS SECTIONS(UPPER REACH) 11 N ; Z 7 CHANNEL RESTORATION DETAILS 0 SW G4<ADc Si r'\ 8 BEAVER DAM ANALOG DETAILS I— / /PROJECT SITE 9 EROSION CONTROL&WORK ISOLATION PLAN (UPPER REACH) N 10 EROSION CONTROL&WORK ISOLATION PLAN (LOWER REACH) _ILEGEND 1, EROSION CONTROL DETAILS m ii EXISTING PROPOSED 12 WORK ISOLATION DETAILS U) PROJECT SITE MAP ORDINARY HIGH WATER —cum J NOT TO SCALE CHANNEL THALWEG ..-- --- W SANITARY SEWER LINE ss - ›- SANITARY SEWER MANHOLE 0 IY ct STORM SEWER LINE so W ���� ?� •I I , �3.! STAGING AREA =LIJ � � \ I \mm� CO it ��'1� 17 ��� , \`, TEMPORARY ACCESS PATH \\\\\�\� O 111' I CC I— PROPERTY BOUNDARY ��\�\� I w I I� r — WV,41 '1• PAVEMENT Q 0 ilt � ; STREAM BANK GRADING EXTENTS — — — — _ DILL Illre PROJECT SITE 1 it WETLAND N DATE DESCRIPTION Jv (SEE ABOVE) Iti ' L — 1 • _ I 'rt,��, ��� L STREAM rA ..�.= toodi it" RUN AND POOL BED MATERIAL i , ib s yy P4."' nip' Yu I RIFFLE BED MATERIAL ..�.A,_,9#_?A._;4_, logo 4.r* -2- II At - ; o ,- �" �f I4 _. F DECIDUOUS TREE (.*'‘ <JG )NFFp�jyA NAC KJT JI l r-i I 74834PE .,P DRAWN BY CHECKED BY 8 I 1 l , i, —' JI \ I r CONIFEROUS TREE M 131141 !!LV� Kevin Timmins = "' si""B VICHTY MAPBEAVER DAM ANALOGUE rr OROMm� i. -N, " - S OREGON y. c„ DATE2/ 020 DNTE �pNOT To SCALE '� /° c^ y o a 18196B S G Y 7 7O .• PROJECT NUMBER al Know what's below.ni ✓0 H N 1\\‘‘ Call before you dig. omp 1 3 - EXP I RES: 6/30/20 IIthas day IM]T.>. ... ,. ..,.,.5*.,�.M ., .,.,. GENERAL CONSTRUCTION NOTES large trees that have fallen across the existing channel and block the proposed access path.These materials shall be removed. shown on the plans to improve bank stability and enhance in-stream habitat.The Contractor Otak Permi.e,Laws and Regulations:The Contractor is responsible for compliance with all permit fallen trees will be placed within the floodplain or adjacent hifislopes as directed by the Engineer in should assume each wood habitat structure will take 4 hours to construct. I conditions,laws,ordinances,codes,and/or regulations applicable for project implementation,which the field. M merit and Payment The Bid Item"In-Water Work Isolation'will be measured and paid for • The location and configuration of wood structures may vary in field due to site conditions,end the Includes but is not limited to: on a lump sum basis.Payment will be lull compensation for furnishing all materials,equipment,labor, final location of these sbuctures wN be flagged by the Engineer during construction. �.I, • Obtaining relevant City of Tigard construction permits before performing work Trees and Shrubs:The work shall be done in a manner that preserves existing live trees and shrubs and incidentals necessary to complete the Work as specified. Payment includes providing and • The Contractor shall take care to protect the wood material from damage during handling. in their present location to the maximum extent possible.The intent is to save all other trees greater updating the Work Isolation Plan, • Backfill disturbed banks with native alluvium and native soils.machine packing by tracking over Otak, Inc. • The foldwing permits must be kept on-site at all times during construction at each site in a 808 SW Third Avenue,Ste.800 separate permit logbook:Oregon DSL Removal/Fill Permit,U.S.Army Corps of Engineers than 4 Inches In diameter,unless approved otherwise by the City. Salvage all woody material with a the completed structures and patting the soils with the bucket of the excavator. poetised.OR 97204 diameter at breast height(DBH)between 0.5 and 4 inches for reuse on-site,unless otherwise 503.287.8825 Nationwide Permit 27,and DEQ 401 Water Quality Certification. CONSTRUCTION SURVEY www.otekoom directed by Engineer. Management of invasive species shall be performed by others. Construction Survey General Note: Measurement and Payment:The Bid Items"Wood Habitat Structures',"Construct Beaver Dam Order of Precedence:In the event of a conflict,the order of precedencefollows:shall be as Analogs'.and"Repair Beaver Dam Analogs"will be measured and paid for on a unit basis. The Bid • Contractor will be responsible for establishing survey control for key features and alignments in (1)Permit Conditions,(2)Project Specifications,and(3)Construction Plans Vegetation Salvage:Should it be necessary to salvage trees,shrubs and stream side vegetation. locations and offsets. Items'Construct Beaver Dam Analogs'and"Repair Beaver Dam Analogs"are considered such as during creation of temporary equipment access paths,the Contractor shell remove and contingency Items and should only be constructed if authorized by the City. Payment will be full stockpile these materials along with as much earth and root material as reasonably possible. Upon • Existing conditions survey was performed in 2018 by Otak.Project Coordinates are State Plane, compensation for furnishing all materials,equipment,labor,handling,and Installation. Timing Rsablellons for Work:ODFW In-Water Work Window:July 15-September 30. If an abandonment of the access paths,the stockpiled vegetation will be transplanted in such a manner to North Zone,and project elevations are NAVD88.units in International Feet. POST-CONSTRUCTION SITE STABILIZATION extension to the in-water work window is necessary,the Contractor shall notify the City at the earliest reduce the visual and physical impacts of the equipment entry. • Otak wig provide AutoCAD linework,including survey nanumentation along the channel. date possible. There is no guarantee an extension will be granted by ODFW. Stream Banks:Where access to the stream results In damage to existing stream banks such as General Salvage:Where equipment access results in damage to the integrity of individualtrees or • Grading tolerances shall be within 0.1 feet vertically and 0.2 trorizontalty,or better. bank slumping or cracking,reasonable efforts will be made,with the direction from the Engineer,to stream side woody vegetation,efforts shall be made to prune all damaged vegetation in a manner repair the damage following completion of work. Reasonable effort includes locally re-contouring Site Access:The City will be responsible for coordination with property owners within the work area. most likely to ensure continued viability and recovery of individual plants. Measurement and Payment:The bid item"Construction Survey"wig be measured and paid for one slumped banks and seeding the upper bank.It may require installation of biodegradable matting. lump sum basis. isresponsible for trill' locates a minimum of 48 hours r • n ■ Utility Locates:The Contractorscheduling M Floodplain and Upland Disturbance Where heavy equipment operation resins in bare g ou d prior to any excavations. Location of underground utilities has not been Independently verified by the Measurement and Payment:The Bid Item-Clearing and Grubbing"will be measured and paid for EARTHWORK disturbances,efforts wit be made to re-seed these areas with the seed mixes prescribed on the 2 Engineer.The Contractor shag immediately notify the Engineer of any potential underground on a lump sum basis.The Bid Item"Reposition Large Fallen Trees"will be measured and paid for on Erosion Control Plans. The floodplain In the vicinity of the realigned channel at the downstream end conflicts encountered duringconstruction. Earthwork General Notes: a unit basis.Payment wig be full compensation for furnishing all materials,equipment.labor,and of the project shall be seeded with a wetland seed mix to the extents shown on the Plans. Short-lerm T l G A R D incidentals necessary to complete the Work as specified. • The Contractor shall limit ground disturbance to the extent necessary to complete the work. stablizatlon measures may include the use of weed-free certified straw,biodegradable matting,and Contingency Plans:Due to the nature of the work,the Contractor must have action plans in place • The Contractor shag notify Engineer immediately if a hardpan layer or bedrock is encountered other similar techniques.Short-term stabilization measures will be maintained until permanent for normal operations and contingency plans accounting for situations such as soft ground,stuck EQUIPMENT within the limits of excavation. Unsuitable subgrade material shall be overexcavated and replaced erosion control measures are effective. equipment,unanticipated flooding,and other such events. by suitable fill. The Engineer may approve grading adjustments to meet field conditions. Equipment Type:The size and capability of heavy equipment will be commensurate with the project. • All fig material shall be obtained from a borrow area approved by the Engineer. General Stabilization:Initiate rehabilitation of all disturbed areas in a manner that results in similar Pre-Construction Meeting:A Pre-Construction Meeting shall be held prior to the start of work. • Fill materials shall be thoroughly mixed to achieve uniform moisture content,placed in uniform lifts or better than pre-work<orations.When necessary,scarify compacted areas,such as access roads U Equipment Performance:Excavator(s),and any other equipment performing work within the active not exceeding 8 inches in loose thickness,and properly compacted to 85 percent of the maximum and staging and stockpile areas prior to seeding. Upon project completion,remove and dispose of channel prior to dewatering,shall use biodegradable hydraulic fluids based upon rapeseed(canola) modified Proctor dry density,unless otherwise specified in the Contract Documents or approved project related waste. w MINIMIZE SITE PREPARATION IMPACTS vegetable oil.Al equipment will be in good working order and free of fuel,oil,lubrication,or other by the Engineer. fluid leaks.Wash and remove external oil and grease,along with dirt and mud prior to mobilizing 0 EnvironmentalrdanceProtection:The Contractorrdis responsible for all environmental protection measures • Excess cut material shall be exported to an off-site soil disposal area. Measurement and Payment:The Bid Items"Native Riparian Seeding(Seed Mix p"and"Native in accordance with 2018 Oregon Standard Specifications for Construction(OSSC 2018)Sections equipment onto the construction site. All construction equipment working within 50 feet of 00280 and 00290,Including performing meter turbidity monitoring and preparation of a pollution jurisdictional wetlands or waters shall be diapered with petroleum absorbent material in accordance Wetland Seeding(Seed Mix 2)"will be measured and paid for by the acre. Payment wit be fug Et control plan. Burning of material and debris on-site will not be allowed. with OSSC 2018 Section 00290 and applicable permit conditions. Measurement:The Bid Items"Channel Excavation and Haul Off-Site"and"Channel Excavation and compensation for furnishing all materials,equipment,labor,and incidentals necessary to complete w Re-Use On-Site'will be measured by the volume of material in terms of bank cubic the Work as specified, No separate measurement or payment willilt be be made for rehabilitation of Z yards(BCY),which is defined as the"neatine-in-place volume of the material. These Bid Items disturbed areas. Temporary Erosion and Sediment Control:Temporary erosion and sediment control(TESC) Maintenance Activities:Inspect equipment daily for leaks or accumulations of grease and fix any include all grading activities necessary to complete the project,including excavation to insist rock O identified problems before entering streams or areas that drain directly to streams or wetlands.All OTHER WORK ITEMS H— measures shad be implemented in accordance with applicable requirements of the DEQ 401 water structures. Note that no expansion factors have been applied to the estimated bank cubic yard equipment servicing and maintenance,including fueling,oil change and lubrication,will occur outsiderf quality certification. Contractor shell avoid tracking mud and dirt onto paved surfaces. If necessary, volume provided electby the Engineer. No separate measurement is required during construction.Engirt on,but the H a stabilized construction entrance shall be installed at the exit to the construction site.The of the riparian zone and within the limits of the designated staging area. All waste materials Other Work Items:All other work items that are not described on this sheet but required for project N Contractor may to track quantities of materiel using a method approved by the Engineer(i.e., Contractor's designated erosion control lead shall inspect all BMP's daily and keepa logof associated with these operations including oil,lubricants,hydraulic fluids and trash,will be disposed keepinga runnin dailyI trucks). The Contractor shall immediatelynotifyimplementation shall be constructed as specified on the Plans and per applicable permits,rules,and g spa g, oil of the number haul of off-site in en environmentally sound manner.When not in use,vehicles shall be stored in the regulations. Measurement and payment shall be as specified on the Bid Item List. If a Bid Item is J inspections and maintenance requirements. the Engineer if the earthwork quantities appear 10 significantly vary from bid quantity. staging area as identified in the plans. not specified for a specific task,measurement and payment will be covered by the"Mobilization'Bid m Staging and Stockpile Areas:Establish staging and stockpile areas for storage of construction Item which is measured and paid for on a lump sum basis. Q Equipment Access:Existln roadways or travelapproved ration of Payment Quantities:When grading is partially compels,and the Engineer has equipment.vehicle panting,earthwork material,rack,planting materials,fueling,servicing,and 9 y paths will be used whenever reasonable.Minimize approved the work,the Contractor shall estimate the volume(BCY)of excavation in a method hazardous materials. Minimize clearingand grubbingactivities when preparing stain and stockpile the number of new access paths to minimize impacts to riparian vegetation and functions. Minimize LIST OF REQUIRED SUBMITTALS � (/) p 9 staging approved by the Engineer for partial payment. Partial payment for earthwork may not exceed areas. Provide TESL measures around stain and stockpiling areas. the number and length of stream crossings and access routes through riparian areas.Crossings and staging 90-percent of the total value of the bid item. Final payment will be made alter the punchlist items The Contractor shall provide the following submittals to the Engineer for approval: J access routes should be at right angles to stream and ripanan areas.Stream crossings shag not J 0 have been addressed following the final project closeout inspection. • Construction Schedule(7 days before construction mobilization and updated as necessary during w increase risks of channel avulsion. Minimize lime in which heavy equipment is in stream channels, construction) II— Critical Areas:Prior to construction,flag critical riparian vegetation areas,wetlands,trees of areas,and wetlands. Heavy equipment shall only be operatedn stream channels when the Q Q significance,and other sensitive sites to prevent disturbance in these areas. In areas that are ROCK STRUCTURES •• Temporary Sediment and Erosion Control Plan(7 days before construction mobilization) Engineer approves that such actions are the only reasonable alternative for implementation and/or U approved for temporary wetland impacts,the Contractor shag place a geotedile fabric in wetland would result in less impact to the overall aquatic/riparian ecosystem relative to other alternatives. Rock Materials:Stone for rock structures shall be bard,durable,resistant to weathering and to • Spill Prevention and Pollution Control Plan(7 days before construction mobilization) LL prior to ground disturbance to help identity accumulated sediment which shag be removed water action,free from overburden,spoil,shale,structural defects,and organic material,and shall • Work Isolation Plan(7 days before start of in-water work) V post-construction. meet the size class specified. Neither breadth nor thickness of a single stone shall be less than Materialgradations of each unique rock mix that is scheduled to be imported from quarry(2 days W IN•WATER WORK ISOLATION qPo one-third its length. Rock for use as stream bed substrate shall be rounded to subrounded,with prior to importing material) w CL Fish Salvage:Fish are anticipated to be present within the project reach during the dry season.and diameters assC) CO Plans of rksh shall not Contractorbeyond nshell avoid downstream areas outside of the extents shown in theraced in the Plans be Classassr20 the secondary axis,or b-axis). Rock for use as • Material certification for mulch and each seed mix Plans.Work shag extend beyond the downstream property line. therefore,thea fish salvage will be required prior to In-waterofthe construction.The upstreamC Representative will slomuwaler outran protection shall 200 riprap. _ Y 0 perform fish salvage,including the installation of fixed block nets and downstream • Biodegradable matting material submittal Z of the work area(s), The block nets shall remain in place for the duration of in-stream construction CC Debris Removal and Disposal:Miscellaneous manmade debris shall be removed from work area activities to prevent fish from re-entering the site. The Contractor wig be responsible for the regular Sealing the Channel Bed:The Contractor shall power wash clean silt/durable sand into the bed 0 CC and hauled loan approved off-site disposal site. All identified hazardous materials shag be disposed maintenance of the bock nets,which is anticipated to include frequent teal and debris removal and material until the water ponds on the surface.The clean silt/durable sand shall consist of a mix of silt, LIST OF ADVANCED NOTICES LL LLJ of in accordance with applicable regulations. mending to assure their effectiveness. The Contractor must provide at least 14 days'notice to the sand,and river run fine gravel containing no particle with any dimension greater than 0.25"diameter. The Contractor shag provide the following advanced notices to the City: W City prior lc beginning in-water work to allow for schedule coordination. • Fish salvage notification(14 days'before starting in-water construction) Z Measurement end Payment:The Bid Items"Erosion Control'.-Turbidity Monitoring",and'Debris Salvage of Existing Bed Substrate:Coarse existing stream bed substrate shall be salvaged during Q Z Removal and Disposal'will be measured and paid for on a lump sum basis.Payment will be full Dewatering:Each in-water work area shall be dewatered and kept free of standing water or excavation and stockpiled for later reuse. UST OF REQUIRED INSPECTIONS BY ENGINEER LLi LLJ compensation for furnishing all materials,equipment,labor,and incidentals necessary to complete excessively muddy conditions as needed for proper execution of the construction work. Dewatering At the minimum,the Engineer will provide weekly site visits to check on construction progress and the Work as specified. Payment includes providing and updating the Temporary Erosion and shall include furnishing,installing.operating and maintaining all equipment,such as pumps.as Installation of Rock Structures:The rock structures shag be constructed to the limits shown on the provide field guidance. In addition,the Contractor shag provide advanced notice to the Engineer and TIT-E Sediment Control Plan and Pollution Control Plan. needed to keep work conditions favorable. Dewatering shall be accomplished in such a manner that Plans.The specific location of rock structures me be under the supervision of the Engineer. Citys DATE DESCRIPTION y adjusteds' prior to construction of the following work items: erosion and the transmission of sediment and other pollutants are minimized. Protective measures Compact each completed rock structure by tracking Oven and pressing with the bucket of the • Verification of clearing and grubbing limits prior to construction(2 days'notice) BIODEGRADABLE MATTING needed to divert streamflew and other surface water shall be built,maintained and operated during excavator. • Engineers option to perform visual inspection of each imported rock mix prior to installation(2 Materials:Biodegradable Matting shall be one of the following or approved equal: construction. Size of bypass pipe or diversion channel for each phase shall be determined prior to days'notice) installation and be consistent with stream flows and weather at time of work. This shall include • North American Green BioNet C 125BN. installing a temporary energy dissipater al the downstream end of a bypass pipe and a work isolation Measurement and Payment:The BidItems'Riflle Bed Material'and"Pool and Run Bed Material" • Verification of survey staking prior to construction(2 days'notice) • Erosion Control Blanket C32 BD barrierwill be measured and paid by the volume of material placed in cubic yards. The Bid Item upstream and downstream of the work area. If necessary,temporary bypass pipes shall be Engineer's option to perform construction observation during the entire period of Nt-dtannd installed on existingground and firm) secured against movement. 'Stortnwater Outfall Protection Riprep'will be measured and paid for on a lump sum basis. Payment construction,including channel shaping, • East Coast Erosion Control ECC-2 Y 9a o will be lull compensation for furnishing all materials.setting,stockpiling.moving.placement,and • Rolanka BiOD-OCF compaction. Payment for excavation ispaid for separately • bed reconslmction,wood placement,and ym under the"Channel Excavation'Bid PR�FFRENBIoks TheContractor shell notify engineer in carting ofthe matting selected within l5 calendar days fromlerformon ofthe Work Are.:In-weer work operations must cease under high flow conditions thatItems. No separate measurementor payment will be made for dean sil/duable sand. • the creation of the realigned channel ( ''..-0 rdate of ratite to proceed. inundate the project area,except for efforts to avoid or minimize resource damage. If work isolation • segment(2 days'notice) G (N Fbuniers are overtopped by high flows,the Contractor shall stop in-water work and notify the City to InsWlation:Install matting(onentadon.ovedaD.edge treatments,stake spacing,el<J per WOOD STRUCTURES • Final project closeout inspection and {vC� Ei�j /fjNACKJT perform another fish salvage. DRAWN BY CHECKED BY manufacturer's directions using wood stakes(no metal). Wood Materials: Small wood for the wood habitat structures shall be sourced from smog native tree • • follow-up visit after punchlist items have 74834P E m Timing of matting installation shall be coordinated with seeding.Seeding should be installed prior to species 6 in dia)that are salvaged duringsite clearingand construction gradingactivities,as • been completed(2 days'notice _. § matting installation.Small areas disturbed by mating Installation shal be re-seeded after installation Pumps:In the event that remnant pools or subsurface flow is encountered during excavation,pump p (� ) approved by the Engineer. Wood for the beaver analog structures shall be imported untreated posts Kevin Timmi '-r"°r4."'�" .O d.O7/20.00 STATUS I in complete. water to a temporary filter bag or a waiFvegetated,gently sloping area downstream of the work area "m LI L L p and small flexible wood salvaged on-site or imported from an off-site source. Size of wood material If Xis necessary to install a pump outside of the work isolation area,the pump size shall be Note-All advanced notices referenced OREGON Uj DATE s cement and Payment The bid item"Biodegradable Malting'will be paid on the area basis shall be per Plans. Imported wood material shall be free of cracks,decay,or other structural -4,. Or determined prior to construction. Screens shall be placed on pump intakes that are used in areas in these specifications are based on per square yard measured in place.No extra will be paid for the overlap of material required by deficiencies,and shall be disease and parasitic insect-free. p G 9 a �O -' cameo NUMBER that have not had fish removed that meet current NOAA Fisheries requirements for avoiding fish 2 'x, k manufacturer.Payment will be full compensation for furnishing all materials,equipment,and labor business days which are considered / ems` required to instal the matting. entrapment on pump screens. N \� B PROTECTION OF RIPARIAN VEGETATION General Wood Structure Installation Notes: to be Monday through Friday. ✓0 H N m Reintroduction of Flow:Upon completion of the work,flow shall be in-directed into the main • The Engineer will provide field guidance during the installation of wood structures. 2 8 Clearing and Grubbing:Clearing and grubbing shall be performed in accordance with OSSC 2018 channel in a manner that will allow the stream level to rise gradually to its static level.After the • The wood habitat structures will be entirelyfield fit using Section 00320.The clearing and grubbing extents should include all areas where proposed the salvaged wood material. The work is m zozo orAx.INC.;i stream has achieved a static level and water quality is acceptable,all temporary stream diversion expected to involve partially burying smaller r branches along the bank in the approximate locations EXP I RES: 6/30/20 aim:m..mv.�Di zr.a'.nwb.•. as earthwork is shown on the Plans. Work Is anticipated to Include cutting and repositioning several reaueq.a scale acc•mnyr. RETAINING ANDER AND HELEN -...,°`...» '^^--..."..,-�<, LEGEND Otak DRIVEWARESIDENY� I TRUST Lmnc , _,..._ .. EXISTING WOOD DAM ._...._..... EXISTING ._ _ — �,, ---- - (FUNCTIONING)TO BE - _ LIMITS OF DISTURBANCE `l I REMOVED OR BURIED IN PLACE XS-09 -. EXISTINGte.800 EXPOSEDRUN AND POOL BED MATERIAL - Avenue, S Inc. WALL j. XS- -I - XS-10 r.. EXPOSED 10"SS LINE I —.-_.._ RIFFLE BED MATERIAL Lp 4 ��.: sus SW Third New 97204otek� 10'SS LINE 503.OR 4 L CMPERT Q / XS-11 JENNIF D AND 1. CULVERT �TST�`'° -� -` XSI3 __ !� • JENNifER RENHE -33 k� .. �i X595 .,,- f•1` ^ J PROPOSED O BEAVER �`S `.... u O MA p DAM ANALOG( ) 44 fa, TYP. I—Cr, �� .— ' ` S oi3116 Q / ��� �� \-.7 . .5:� p\ ��I \T PROPOSED BANK \ Q\,�$ dL�- lir „AL � SS/ Q�/ `` �������` `��QQ`�,�Q \ A `I/ ` , '6�� ,� „HW _8 -�`SS li I CO \ A N. NHO oNw` I I I PROPOSED BANK `` `_ CUT FALLEN LOGS REMOVE AND DISPOSE t I -��_ o- I' RECONSTRUCT CHANNEL AND REPOSITION OF EXISTING W000 \ PwK,\� ��� TIGARD LIMITS OF- CLEAR BRUSHY L BY PLACING STREAM PROTECT EXISTING FOR FLOODPLAIN PEDESTRIAN BRIDGE �.` Ql► XS-07 DISTURBANCE ' TEMPORARY FROM CHANNEL WORK AREA SUBSTRATE TO THE LIMITS TREE TO MAXIMUM ROUGHNESS AS N. / / \' Gp ACCESS PATH AND GRADES SHOWN FEASIBLE EXTENT DIRECTED BY XS-06 ; r ----- —_ P .__,- _- ENGREER IN EXISTING WOOD DAM TO BE FIRST BAPTIST REPAIRED OR REPLACED r ------- CHURCH OF TIGARD r ---` PARKINGLOT U I L - STAGINGAREA ���` 1 Lu 0 I r TEMPORARY 1 Ct 1 I -� ACCESS PATHQ /— `.... d + Z .,. STAGING AREA r J /• / Q CO 2 -I J Q J LU ffig-8a-8m-24mn-ms-48 -RSe2 2m-AA-7,A - -m'44=s �d-g8-�5i EXISTING RIGHT OFAY EXISTING LEFT OHW 1\\ I Cl `7 SST"'.r`9+' �'Er! o -" `- $^ 8 to $r a —6 I II � . ._ II I II ?11 7�11 t�X >11 V 11 !11 11 0 1 W 11 11 11 41 � P .� w CL Ct MN N228 LU NLu :iC 170 QJ Q� Q 6J 6Jd6 .-Jd t-Wr �p�ia t,-,., CC o_ H f W HW FW h In .W.,W'i, NW yW.W Ntu l7 NW uj . FALLEN LOGS g A i Q W N � µ1 IlMal •fi r t.. 1 • ,�•, ... / _.e. - -. N f m CC O ,� 0 CC = ' S ' -�V- W000IDAM TN UCL - ._ _- I I' ' ret t � � REPMED) -.__ DNA ANALOG t*Z ` 1 vv sr^ 1 <uG'1 ---- (T�.) Cfl Z ti��.".ANN.COVERT i� —� Q J LEAVE EXISTING RIPRAP FILL IN PLACE tr.- .-i'% r -�� t CL 216 ___ - : : • �. - DSO% -- 214 PROPOSED RUN AND POOL i'� '� W Fcs3LaPF�" J I. i ' r r D,.509L TITLE O BED MATERIAL(TIP') ILiJ�l,•i�,p;.r,r_io04.T,r.• '�..' ♦ p DATE DESCRIPTION APPROX.EXTENTS OF EXPOSED EXISTING WOOD DAM(FUNCTIONING) EG OPE O.76% .�... - _ _ 10'SANITARY SEWER LINE TO BE REMOVED OR BURIED IN PEACE 212 EG SLOPE 1,10%- _--- _ - 212 MPROX EXTENTS OF EXPOSED PROPOSED RIFFLE BED MATERIAL(TYR.) 10'SANITARY SEWER L91E 2 210 10 12+75 12+00 11+00 10+00 9+00 8+0L 7+$0 8 EAST FORK DERRY DELL THALWEG PROFILE:7+50-12+75 t Hodz.pScale:V=20' nR 1 Veit scale:1"�' rc.,7j.lt P lO/ REVISIONS NG (NEF NAC KJTE4834PE� "r-- DRAWN BY DIECKED Kevin Timm— yW�Nkw.`VY'rt� S-ATVs (73 �!e 2l27/2020 I CMM. TF iQ/4/ YREGZ`" ,, ' 181966R i 'JOHN A 3 27 0' 2V 10' ti 01020 OTAK INC. g SCALE NFEET EXP I RES: 6/30/20 N+..a..�Nnol2r.3.•.p"..e.., ,.Amb.MN.E.S . 7 CONSTRUCT OUTLETI FILL EXISTING CHANNEL LEGEND Otak �- /r PROTECTION,STILLING WITH SALVAGED WETLAND I BASIN(P WIDE,11' SOILS(SIDECAST)FROM I LIMITS OFDISTURBANCE — �„ o V LONG.?DEEP) I g. X5-05 STA 7.21 T05.73 REMOVE AND DISPOSE OF EXISTING I RUN ANO POOL BEDMATERIAL Otak, Inc. ,! ." 808 SW Third Avenue,Ste.800 '�' X3113 WOOD PEDESTRIAN BRIDGE I •T o XS-02 INSTALL MATTING OVER RIFFLE BED MATERIAL . . • Portla�3,0�97204 REMOVE EXISTING DISTURBED AREA,WEST SIDE vwwMak.wm SS ` � of W0�DAM(FAILED) OF NEW STREAM CHANNEL 25 /`aA `' .,%4i.�A� tt , J A ,, STA 5+73 TO 7+21 I $ ,"4viL �;�L " LEAVE EXISTING WOOD DAM I �• e , C Iti (FUNCTIONING)IN PLACE I 1 y iSI t[�44 1J I _ ANi'Wlra•, IF•y I "♦ ,:` 11 '. s DAM REMOVE EXISTING WOOD ,/;���/'_ �' $SC I \' SS / /`````` / PROPOSED BANK �14,:'` — ' /---------------Ss....,_____________, SS 4'EI SANITARY SEWER LOFERAS AND �LORRETTA wAL1EPS' IS 11111 ,/ REMOVE AND DISPOSE OF EXISTING T * ' /REALIGN STREAM CHANNEL AWAV ` rq PLUG PIT LOTHERS)PLACE WOOD HABITAT I' it I`� LNE FROM SNA7211 iO3TA5+73 STRUCTURE NAS ) ��¢ SS I i.' 400 ....-•••\ I " EXISTING W000 PEDESTRIAN�SS EXISTING WOOD DAM BRIDGE (PARTIALLY FUNCTIONING) 7... .._____REPAIR J I- LIMITSOFIiSS��S DISTURBANCE L PROPOSED BEAVER O DAM ANALOG(TYP.) " EXISTING WOOD DAM Ohµ. �3.00 1�'µ It (FUNCTIONING) m sr,.v N,HO OH �\ \ Sai. a FIRST BAPTIST I 'Ib� " a• CNµ,\\'. ---„F - �� Z a"+ CHURCH OF TIGARD I "— \y O _" PARKING LOT - -- REPLACE EXISTING '`. `� •-- %t5%Ht D JULE WOOD DAM(FAILED) I \/ 1 qH k... -___. ____.___ I co, EXISTING M b' `1 I V �.. `" ROCK DAM // J ` t I .,ANET DAMS AND ' COr, I IAVfd(ROCDiS Q DLHxxi w,l : 1 CO J W REROUTE EXPOSED 4"DI SANITARY SEWER [jJ Ct " LATERAL(APPROX_LOCATION)TO NEARBYCD CC � I N SANITARY SEWER MAIN AT NH(NOT IN W CONTRACT,WORK PERFORMED BY OTHERS) I o 27 a 2a an LLJ I I 0 y I 1 SfiLLE IN FEET -I Y LI- ♦N h N ♦N ` 0 CI Ct RR 04 In N N st W p, p p Si 1, ii m ,I '01 „ fD , i, u n �� n. r~/1 O OI 1! - - O M� u c�$ ~ ly hw mw mw mw M )Qw I4 CD W `� il5`�'I 1�3 01 ~ Z Rs 214 - --- __ _-. -.— - _ ____ 216 TITLE [7,wz w _- - - - IXPOSED 4'01 SANITARY t a on+e DESCRIPTION SEWER LATERAL(APPROX.) 0.50% 2t2 2t2 ------ 5,0096 .5sp% 0.50% LEAVE EXISTING WOOD DAM lXISTNG ROCK REPAIR EXISTING WOOD DAM EG SLOPE:0.e2% X 0.50% IN PLACE(FUNCTIONING) DAM(FUiC'TIONRIG) (PARTIALLY FUNCTIONING) EXISTING RIGHT OHW `_ --_ - -- CHANNEL THALWEG FG REMOVE EXISTING WOOD Iv t. , LEAVE EXISTING W000REVISIONS DAM(FAILED) EGSLOPE:IY4% - (iCk?.._ Roi- sE703TITIG LEfT OiIW _________GSLOPE1.31% - DAM(FUNCTIONING)INPLACE '�� ��! za 'N�e �� NAC KJT SLOPE,1.77% oNnwN er cBEcnEo er 834PE 9 N.* -__ - PROPOSED BEAVER .,.,..ww.w sTA%S REMOVE EXISTING WOOD REPLACE EXISTING 2/27/2020 ii$ DAM ANALOG(n'P.) Kevin Timmins . "' ^'°- DAM(FAILED) I W000 DAM(FARED) ' DATE 7.50 7+00 6e0 5100 WO 3Hb 2� F. �i OR 0v.., co 18196E 9` O •. PROJECT NUMBER i EAST FORK DERRY DELL THALWEG PROFILE:2+50-7+50 l/ 11, Z Horiz.Scale:1"=20' \ s Vert.Scale:1"=4' O H N -' 4 Q .2020 oTM,INC. EXP I RES: 6/30/20 II.,tlm ypeCK x NC Vet Own O BIODEGRADABLE MATTING ul - AREA OF EXCAVATIONak "1 a ,n a0 of 220 n -g'�ul n �* _. 710 120 .1 11�11 RECONSTRUCTED STREW BED Otak, Inc. n -- _ ------ - 22� 1 1_.1 I is 808 SW Third Avenue,Ste.800 " i e+N.-�o+N < 4 .x, v 2'_2'_2 Portland.OR 97204 dd �^ j OSI NG GUND GGRO — / / a EXISTING CHANNEL FILL 1. • ' FlLL EXISTING aiiiio/�o's//J//J/'O/T�/�/u� ;'.\ •!.yT6 sE•. CHANNEL BED EI(CAVATE TO S s-' .rpiipG/i! ..:�. CHANNEL 1.ZV9a00 "Ilher;i= 11...,A !��/i,:in r/c r.. i r. 210 z10 10"SS PIPE -9.5• -0+25 0.00 0.25 XS05 PROFILE:#30-0+25 Hort.Scale:1"=10' Vert.Scale:1-=10' • -0+25 0400 0.25 0430 E-THALWEG STA:7«45.00 XS-02 PROFILE:-0+3D0+30 = Hain.Scale:1"=1Cr Vert Scale:VAT T[GAR D E-THALWEG STA:6+26.95 ar BF mN i Cm o� o� h +F i � BIODECIUDABLe wmNc C O N N TT N o„ MrYs_� „ " e " I W T10 - r 5 - -<Zi oN+aow < < 220 220 220 W II w n o v 1n r MOW GROUND E70511NIG GROUND 1 < II °<L \ \ — ( — — / O �WH]VlW \ _ _, __ � \ V1I / r - - - - w i / a -- IXII: O FILL ausrvNci ►;o-' clurNNCAVAa DICED REALIGN \ — CHANNEL •• -..s s- f- 210 - _.. i_ -_ ___ _ 210 ^ 9.5' WO 0+2e 101 SS PIPE XS-06 PROFILE:-0+25-0+25 _I C.) Hat.Scab:1"=101 m W Vert.Scale:1"=117 Q et G+W MTS 0+35 E-THALWEG STA8+01.95 I— XS-03 PROFILE:-0+25-0+35 W Hortz Scab:1"=10' J Vert.Scale:1"=16 _I E-THALWEG STA:6+70.51in 0 0 et et Z a BIODEGRADABLE MATTING W 0 • 0 I— v.. 27, EXISTING GROUND • Y C..)N . —� W 220 " ago 22E.-- __ - 4 ` ` �o Et 0 CO -EXISTING GROUND B ` — b 1- Q FILL EXISTING //`-//'41,%j�.V� W CHANNEL TITLE 210 WO0.2a 4 DATE DESCRIPTION I XS-07 PROFILE 4+25-0+25 Hain.Scale:11=101 Vert.Scale:1"=10' E-THALWEG STA8+50.77 OM0 Om XS-04 PROFILE:-0.20-0415 I' Ha¢.Scab:11417 Vert.Scale:1"=101 E-THALWEG STA0+90.16 q PRO/- REVISIONS C7 r,4G NEe:f,# NAC KJT 1 ��834PE 9 DAwNay GEDB Kevin Timm( .c'.YY+a' STATUS 2/27/2020 A �•M .. DATE a Y V I �GN YREG2NOo� PROJECT= 18196BR dpHN j\ 5 4 C20200TAK.INC. EXPIRES: 6/30/20 IIR,Lnd Y drawing be en r.OuwaMI9ryW.Seale a cofOney. • 230 Otak \ AREA OF EXCAVATION c •im \\ ��, o. - o c- \ EXISTING GROUND '� �T�'��� RECONSTRUCTED STREAK BED Otak, Inc. + p1 0 0 O.- + n n y0 ':1:�:1:1:� e0e SW Third Avenue.Ste.800 EXISTING GROUND oi `�No--�"�`O n \ X - - d ""� PolilerM,OR 97204 II +0 +L o`" a ig- M,n o,n o+N 503.287.se. I N O I +N O p p P O II \VMY'Ofel!'COnI \ � `� < vf .n \\\ INN O+N 8�; oN II 220 \ \ N w 1A W _.. _ 6�j_II II O II-4 B /rl 2213 — � __ � \ - - ram \\ Ciw G' a,, y' � / r4. .,. RECONSTRUCTED \ — y... •Y C Iris CHANNEL BED + — — 4:! 4"t" 22D ____ -� a' RECONSTRUCTED EXPOSED lo• 4e V !�+L ►4?,: CHANNEL BED SS PIPE �' EXPOSED 10• -1 1 / U 1 1. no 10' - SS PIPE --y ,iyy . -0.29 MOD OHS 1 1' XS-08 PROFILE#30-015 = 44 Horiz.Scale:1"..101 Vet Scale:1"=10 I I G A R D E-THALWEG STA9+14.47 � 0+� 0+25 XS-11 PROFILE:-0+350+25 Hoot.Scale:l'=101 Vert.Scale:1"=10' E-THALWEG STA10+9128 0 LLJ 020 m 240 240 _' O/ N =a m 0r''� P Ct io om Z m N °° +- m �}• o O N_NO��P _OV II II -_ \ EXISTING GROUND II pII� F N 1849 ry o`74 F \ EXISTING GROUND 0 \ �ELEV =0219.07 w iI ° o B B II m STA= 0+06.36 N. ` \ a, c..., ELEV = 218.66 `J ., or NW I�W ` Np I�r+N /\ no __ _- 220 A \ O tiOV n +n� II _. ..._ 23D N_ I "., iys' RECONSTRUCTED \ I n " ?`N{' o r 'a �" N L�L/ CHANNEL BED \ 6 21 • 1 . - 10 K w _ — — C Ce \ J d �__._ ..1'TA - Q CL -0.2S 0.00 W6 -.:1=117 .1=I.1:1 D EXPOSED 10" • 1-4:%1a111j1 RECONSTRUCTED Hartz.Scale:V=10' �''`AAIyy CHMNEL BED ›- Vert. PROFILE:#30-0+25 SS PIPE -}=1� Vert Scale:V10 Et Z E-TWLLWEGSTA9+82.68 ---. Ui O_ D o I— Y U - CC 'LL^J -0.25 0r00 0+26 Q v' XS-I2 PROFILE:-0+35-0+25 u' Herz.Scale:11.13 I— (n Vert.Scale:P=10' C/) Q E-THALWEG STA:11+30.74 w 0 20 240 I I Irt 4 DATE CESCRIRTION \ EXISTOJG GROUND n 210 EXISTING GROUND Y^ — N r? non - —__--- t.r2 .°.Si R'n .ram oH.. or oN R� �9�� Y: =M $ II N I II pz;r8IR`l, 1.^ -*Cl_O \ Vzi ON fjY egT ON II Y Om o ON11 N ` II 11 II 11 ON gN oN . I no N He II IION +N _ O II yw F�II II II II G no \ j I n 220 17. 6 Q`y II W II? '^ `y'�� � \\ f-nw Gi lla-l- a� a� inw CQF PROFF \ vt W� 7cro w / / N w / ` yo REVISIONS \ \ \a ., z - - ' ' / / 90 ` ` eR.,_ �-=�^ ®RECONSTRUCTED � �74834PE��'' NAC KJT DRAWN Iff ClIECIOE0 Err L , i- RECONSTRUCTED PLACE ROCK MOUND �* r--1 r �s J r" CHANNEL BED • de,Y • r •-Y` CHANNEL BED :r 1 /r4-� r 1-r STATUS rr;:fie;'. NMHDLE AT STA 11+81 1 / 1 . Kevin Timmi � a 9 11.—i--� OREGON V. 2/27/2020 MO M25 O.W M26 y o = 18196E J n 14. G O PROJECT NUMBER XS-IO PROFILE:O+250+25 XS-13 PROFILE: +25-0+25 /ry �� Vert Scale:1"=10' Horl2.Scale:v.10 H N j\ Vert.Scale:l'=f0' Vert.Scale:l"=100 C I( E-THALWEG STA:10+39.80 E-THALWEG STA11.80.71 V o MO oTiuc INC. EXP I RES: 6/30/20 Neu leMe b M YT a 3r,B nag EYn .la.ed.=a=syr. PRIED _ BANKFULL WIDTH=V T011' Otak • GROWA 1'M / �„ 3 " i\ 0g �\ Otak,Inc, /. 20" J ,• / 808 SW Third Avenue.Ste.800 1 / \ �' vARIES - 1 . �4 \ z\ P018n3.OR9720 I_ _tl /vi, r _ `JZ`.Of wa zar eazs 9 m r,II AT CREST,EXTEND 4 , 'F� ROCK ACROSS �••O•'�. 1.9 a'�, w FLOODPLAIN H v •,9 �* BENCH AND KEY INTO �.��' �. MIN ./v� 1 �-..-\ ^�. ���•a 'r �. • o. �� UPPER SLOPE 3'MIN. �(� •i.!Y y_. G r-� • ,A ••ter• 1v •C_�' r� •� 1"'1.7 �'t ti,. .. 1i .t \�/. 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Gr20a R iII' � - N j\�JOHN 7 `$ O BOBO OTAK.NC. EXPIRES: 6/30/20 , Otak ii► Otak, Inc. 808 SW Third Avenue,Ste.800 FLOW Pollan&OR 97204 503.287.6825 1 FT SPACING O.C. ORDINARY BETWEEN POSTS HIGH O 6'SPACING WATER BEAVER DAM ANALOG.SEE TABLE BELOW BETWEEN ROWS FOR STATIONS OF PROPOSED STRUCTURES i •1 I r•' �/ •C41 • /p: x e r / `r\ I ,'U I 0.5 FT HYDR LK:DROP i �1�/rr ',/ T r 4 ~J _ !II�r 1let rrl qy`�i L rr��� T 1 •'J •1 i r r11e r tli Yn '/J___________ THALWEG .. V ?t dy� of 1 tr r� p !� l y! $i! 4., ,r ii ____________PROFILE _ °ll r1 qi ,+) q1 rrl� it ai- / I•:11 i. *1, I I 4 M1 / I !till -'�ry�.. ___ ; .I/II L 'i rit?, %�1n r I /f 00' �j ` /''' ` //\ '/ EXTEND TO TOP OFO _ /1 BANK OR ORDINARY HIGH WATER ® 3 BANK TGE! w o c © o 0_ pROFILE PLAN Z NOT TO SCALE NOT TO SCALE Q (- BEAVER DAM ANALOG CREST ELEVATION TABLE CREST ELEVATION DNA HEIGHTSTATION CONDITION RECOMMENDED ACTION (FT/ IF J EXISTING 10+16.86 2159 - FUNCTIONAL REMOVE OR BURY IN PLACE m 8*77.81 214.6 - FUNCTIONAL REPAIR I- 1 6+31.91 210.6 - NON-FUNCTIONAL REMOVE EXISTING GROUND -I CO 5+72.74 210.1 - FUNCTIONAL PROTECT IN PLACE -I W I- 5+55.03 208.7 - NON-FUNCTIONAL REMOVE 0 LL 0 4+81.36 207.5 - FUNCTIONAL PROTECT IN PLACE 1 FT SPACING O.C. 0 4+10.58 206.6 NONFUNCTIONAL REPLACE WITH NEW STRUCTURE -__, BETWEEN POSTS _ ___-- Ct _j r^ n= 3+30.36 205.6 - FUNCTIONAL REPAIR ' »-- _ ( 0 I Q Q Z 8+35.26 214.0 0.8 INSTALL NEW STRUCTURE Q N97.19 213.5 0.9 ‘r :r 1" �/ � I CC Q 5+39.30 209.5 0.7 4: ei2 f _ rr`gisi`r Q O PROPOSED g _ LL rY 5*18.21 209.0 1.8 $' H`d4 '4476 ! 'I or b."""- H W ii� kW..'9-4 / J$.jr'Lr ii$ //`' 4+92.98 208.5 1.1 I' -•gip ypF rgr�+�i�reR� ��11 'S '4o,JBA,ra 4T? u;7vyT?i�'Wo Q W 4+6804 208.0 1.3 Pe7f1P4541. ilatIf i0 LL I m CONSTRUCTION SEQUENCING NOTES `„`:c tl_.'...t \ k TITLE a DATE DESCRIPTION ODRIVE 2 ROWS OF 2 IN.DIAMETER UNTREATED WOOD POSTS MINIMUM 2 FT INTO STREAMBED,OFFSET POSTS 1 FT ON-CENTER,AND INSTALL THEM TO TOP OF BANK.PLACE SECOND ROW 6IN.DOWNSTREAM FROM THE FIRST WITH POSTS STAGGERED AS SHOWN. OWEAVE 114.1 IN.DIA.BRANCHES BETWEEN POSTS UNTIL A 3 INCH THICK LAYER IS FORMED.BACKSLOPE OF BEAVER DAM ANALOG SHOULD HAVE APPROX.2:1 SLOPE. $ O LAY BRANCHES ON PILED MATERIAL.PIERCE DOWNSTREAM END OF BRANCH INTO THE STREAMBED TO A DEPTH OF APPROX.4 IN.REPEAT STEPS 2 O , 0 tz AND 3 UNTIL CREST OF DAM IS APPROX.1 FT ABOVE CHANNEL BOTTOM. e k 0 OCUT TOPS OF POSTS TO 3 IN.HEIGHT ABOVE DAM CREST. PRO REVISIONS NOTSTO SCTALE ION (r..0 1;e,..4.G IN ek•••"i ' MGR KJT 74834PE DRAWN aY CHECKED aV 7 TATUS Kevin Timm', zi 7-2 2/ 2/27/2020 DATE . , 18 196B 11Zsx.� R Q ✓0HN '\ 8 .2020 OTAE INC. 3 EXP I RES: 6/30/209Nb •Ipre� �u ,N MI g I 1I' LEGEND — Otak ' ' RES DRIVEWAY rl _ _ `., LIMITS OF DISTURBANCE EXISTING _ ,� �„ RETAINING _ _ALL _ /�L J PUMP AND DEWATERING PIPE F^--•- Otak, Inc. !' , 800 .- EXPOSED 10'SS LINE I SANDBAG BARRIER �� 808 SW Third v R a7 EXISTING ,.y, EXPOSED 10"SS LINE ', 503.- `00 wew2olah.can GULVERT�/2'Sf sr i£4 . cv PENNE+ l ANDWATTLES OOOC7 'I ASS 0 _ ��� IF NECESSARY,INSTALL TURBIDITY BARRIER �� TEMPORARY OUTFACE 0 }30 LF o 10� \ WORK ISOLATION PIPE ,8' ` PROTECTION TO i 7_I'S'„ to l''''42 O a ^ ilk © 30 LF PREVENT EROSION BLOCK NET h� • - — = y WI 40 LF 0 `\`0 �.- �-..; �� - s ... \_\_ �`` Ilk BLOCK >1" RUN AND POOL BED MATERIAL .'.#� `xi. i. fr ,� .. _. .. cue= _ •1 \` �— \ \ SS lvo o CD /\�/ \\\%\.M,\ ��� ����• ♦ PROPOSED BMffi \�� : - CINW a: lli # sie .,.,1-,.,.,,_ " RIFRE BED MATERIAL 'I!7f .4 ( 1 40 IF PROPOSED BANK \. a__ \ »:I �A-...._ . LIMITS OF I CLEAR BRUSHY MATERIAL PROTECT EXISTING DISTURBANCE ,( TEMPORARY FROM CHANNEL WORK AREA TREE TO MAXIMUM lU` p ( ( ACCESS PATH FEASIBLE EXTENT ,, + ________ FIRST BAPTIST 0 A -_- CHURCH OF TIGARD PARKING LOT I- I I_ _ STAGING AREA CD _____-__ r 1130 LF - 0CC -------- TEMPORARY Et W ACCESS PATH .' ' *.. Z _ - QJ STAGING AREA N a J Z / O m 1 / (p O J J Tn J W Cr 0 O } EROSION CONTROL AND TEMPORARY WATER MANAGEMENT NOTES WORK AREAS AREA(AC) Ct °6 1 Et J 1❑ INSTALL WATTLES AS SHOWN(SEE EROSION CONTROL DETAILS) CLEARING AND GRADING LIMITS 0.41 W 0 0 I H i 2❑ INSTALL BLOCK NET UPSTREAM AND DOWNSTREAM OF IN-STREAM WORK AREA(SEE TEMPORARY WATER MANAGEMENT DETAILS) Y O WATER MANAGEMENT DETAILS) U s INSTALL SANDBAG BARRIER(SEE TEMPORARY TE ❑ SEED MIX 1(0.20 AC.) SEED MIX 2(0.05 AC.) Q Z 4❑ INSTALL BYPASS PIPE WITH SCREEN PUMP.LOCATION MAY VARY DEPENDING ON WORK. SCIENTIFIC NAME COMMON NAME %PLS LBS PLSIAC SCIENTIFIC NAME COMMON NAME %PLS LBS PLSIAC W Q = Agrostis exerala Spike Bentgrae8 10 0.19 Carex mrcmpfem Small winged sedge 25 4.519 F 57 U a INSTALL TURBIDITY BARRIER(SANDBAG BARRIER OR SIMILAR)AT DOWNSTREAM END OF PROJECT. Bmmus carinelus California Brame 10 7.25 Cam Dbnopta Slough Sedge 27 9.839 0 < Q l= W 6❑ INSTALL DEWATERING PIPE WITH SCREENED PUMP.DISCHARGE THROUGH DEWATERING BMP(SEE EROSION CONTROL DETAILS) Etyma glaucua Blue Wildrye 50 32.3 Carex sapala Saw Beaked Sedge 29.5 1.806 W W Ct FesAxar Mee var.ruba Native red fescue 30 3.88 Eleochans pah sfms Cannon Spirerush 15 3.703 TITLE 0 INSTALL TEMPORARY SEDIMENT BAG(OR SIMILAR) Sunmark Natve Uplands or approved equivalent Juncos tends Slender Rush 0.5 0.005 ,3.62 r DATE DESCRIPTION Selma microcarpus Small-fruiled Bulrush 3 0.056 GENERAL SEEDING NOTES Sunmmk Marsh or approved equivalent 19.928 1)INVASIVE SPECIES TO BE REMOVED FROM DISTURBED AREA(BY OTHERS) 2)DISTURBED AREA TO BE RAKED OUT PRIOR TO SEEDING. I 3)SEED TO BE HYDROSEEDED WITH TACKIFIER AND MULCH OR BROADCAST SEEDED hi AND COVERED WITH 1/4'OF FINE COMPOST AND RAKED. PRAF IO REVISNS(q..,,, 4 G 'Nf - o NAC KJT 4834PE� �, DRAWN BY CHECKED BY $ STATUS Kevin Timm' _ __,,, 2/27/2020 $OREGON p. �a DATE p arEt 9y oo ? 1819VBR ✓0HN \ R 00 0 20' 40' 9 "a — — C a#B OTA(.INC. S SCALE II FEET EXP I RES: 6/30/20 Ms x m a.3r.el..Man nnm.+v.a.am..maigr. GREGORY AND LEGEND Otak MONIKA HERKNE=.. O LIMITS OF DISTURBANCE — — — �„ . Ste BOO Q� 1 PUMP AND DEWATERING PIPE -- Otak, Inc. APPLY SEED MIX 1t2 AFTER SANDBAG BARRIER 803 SW ihiPo Genf&OR 97204 COMPLETION OF WORK 503.287.6825 `SS ` �- - D 4111":. I WATTLES OC700 ww e.otek.com pp{_ , • �!'•A' %Z�tiA1 j erg; � $ WORK ISOLATION PIPE 1 0►7 6q • I BLOCK NET il y� © •filaw rt•,� d, �0 Ibw� 1t _ 0 I RUN AND POOL BED MATERIAL b i4IlR 4 , ``\ / ` 1� 3 0 IF NECESSARY,INSTALL TEMPORARY OUTFACE •3 4 310 IF © i5 LF�' `� PROTECTION TO PREVENT BED SCOUR RIFFLE BED MATERIAL It1 2a .::4 ` A SS / PROPOSED BANK TA `. �1 I , SS� SEED MIX 2 PLANTING AREA _ ou `` I 1 u +`. (LORRETU WALTERS `;```` . .�: 'J1► , N r SS I TIGARD ����� 0 130 LF © 30 LF V ' ss 1 00 ......,•••••'\\ cn ,M �` U uMITTsoP I • , a yss DISTURBANCE 4.\\� O "' ob 'A `� O ce W FIRST BAPTIST *17''s*,"01" � Ci+'W` —1- -�". /] Z\ CHURCH OF TIGARD — �"' "`— 06, O `,/ PARKING LOT DhW i Q In . n o d L An. aJ O IT ANC m DAVIT 4. ROGETtS. . ANDERSON 20 le Me e1/ 0 SCALE IIFEET —I — --I W cL 0 O I N Ct oa fy J Ill O CICt H y z O U EROSION CONTROL AND TEMPORARY WATER MANAGEMENT NOTES 0 Z O 2 1 INSTALL WATTLES AS SHOWN(SEE EROSION CONTROL DETAILS) oa 2❑ INSTALL BLOCK NET UPSTREAM AND DOWNSTREAM OF IN-STREAM WORK AREA(SEE TEMPORARY WATER MANAGEMENT DETAILS) W W UJ 3❑ INSTALL SANDBAG BARRIER(SEE TEMPORARY WATER MANAGEMENT DETAILS) TITLE Y DATE DESCRIPTION O INSTALL BYPASS PIPE WITH SCREEN PUMP.LOCATION MAY VARY DEPENDING ON WORK 5❑ INSTALL TURBIDITY BARRIER(SANDBAG BARRIER OR SIMILAR)AT DOWNSTREAM END OF PROJECT. B❑ INSTALL DEWATERING PIPE WITH SCREENED PUMP.DISCHARGE THROUGH DEWATERING BMP(SEE EROSION CONTROL DETAILS) IFO INSTALL TEMPORARY SEDIMENT BAG(OR SIMILAR) O ��O PRO/Fs REVISIONS \S�� 4G W EF Lie, 74834PE� NAC KJTDRAWN BY CHECKEDSY s Kevin Timmi STATUS "� 2/27/2020 F ?.OREGON pc h DATE s ' q y 1, 200 18196BR /� • 'IO H N Z\.�18 10 y .2020 OTNC INC. EXP I RES: 6/30/20 IId: • Otak • Otak,Inc. 808 SW Third Avenue,Ste.800 RUMENMwOIEIAIIUN Portland.OR 97204 a 00 l CliTINA SE a RESIGN amu 8 503.287.8825 aNRA A Cr WEAN WATER WPM 4 OF CLEAN WREN v .w.otak.com —m ER0001 PR`.dlid MIMES EROSION AENNDa MG=MINT OPIUM AND SEIRENT COMES PLANNING MO CG9OE SANDAL PUNNING YO DESIGN MANIA. NON-WORM®.[[TILE Mr ..-- PERK WALLED UNDER I _CLASS 250 PIP-PM. * i ;:: z6` 4eiR I.---- GM IMIE RACE WILES&CNC SLOPE CONTaRS swEF Row To >g PER CLASS ZOOPROFILE I �'1°14 STRUNay�a f O�M--► w Y WARNBOWEN NOT'O SCALE Oh OF NAM , A 10 APUUM1 IY ONRIP • . _1��. 4:L NEAT 31M'N,RR III 10 A 04, SE NODE NO.] ��_ COCCOST OR ' n ANTS EXCELSIOR WATRFS TIGARD • • • • W • PLAN VIEWNTS SECTION 41 NOT TO SCALE • • • • 0 • MOM : sirM0G.P WOW SHEET FLOW TO U • • ° \\1/4 oCONSTRUCT f MEMP w 11.. ........., MSC PER IN• LLJ aRGN. END Cr aP mE LGGBr 1' BEES: Oy ENO SCR CONTROL wawa I' ° MI E 1. STAKING SPECIFICATIONS Il MOANED•10E OF 101E a I'XI'ROOMS STAKES PLASTIC SHEETING ap1a°10 _ ° B.WIHILL NALM EA MATECE M a ��WR WIWNILL SCE CrCF WAIRES al STEEP YfK OR OI E NON EROSIVE SOILS. Z MIER IRE CRASS 210 W 2 SPACING IN ACCORDANCE 1A1X DETAIL GAO. 0 ®NETTLE FABRIC � • RONNE ALL ROCKS CLODS.T£GLTATON OR H— NOTES- CLASS M0 uses SIN r LVRI a 1 0 a . THE OTHER OBSTRUCTIONS SO THAT T WSuMID L 1. CONTRACTOR TO *Anus WILL HAKE DWELT CONTACT rot THE NDTEs COMPLY RAWPLAN VIEW 50K. CND • CUYNTaS AND NOT TD SCALE A INSTAL THE WATTLES IN A Y DEEP R ENON. 1. MINIMUM It OVERLAP OF ALL SEAMS REQUIRED. REQUIREMENT DE l9IRING MAT NO GAPS FIRST BETWEEN THE 2. BARRIER REQUIRED a TIDE OF STOCK PILE. DSL AND CORPS PROFILE SOL AND NNE B0Tla1 OF THE WATT£..THE J,�W FOR METER ewaMAT l ENDS OF ADJACENT WATTLES SNAIL BE — 3. COVERING MAINTAINED TKTITLY IN PLACE BY USING SANDBAGS CR APPROVED EQUAL a PERMITS. CM DESIGN CETERA SEE OVERLAPPED I FT AMMMIM TO PRESENT ROPES MATN A MAXIMUM 10'ae0 SPACING IN aL DIRECTIONS a1APTTR 4 oF CLEAN WARN ♦. PLASTIC TO EXTEND MINIMUM 1'BEYOND TOE OF SLOPE SER\=ER00121',memo SEOeE11T PASSING THRONRI THE FIELD.DOWN MC SWOR G9TII . PUNNING AEG®ON WAVE. I— OUTLET PROTECTION -J PLASTIC SHEETING Serviced STILLING BASIN C3eanV r Service WATTLES Cleaner W J DRAWING NO. 810 REVISED 12-10 I DRAWING NO. 025 REMISED 12-18 DRAWING NO. WO REMSED 12-10 0 — W CK Cl Ct J LLJ O CC 0 I- Z O O c) 1.1... z O I- W W TITLE K DATE DESCRIPTION 4 1 E3\" PROFF REVISIONS C, VV*./ IrvF.p,re, REVISIONS NAC KJT 74834PE % DRAWN BY CHECKED BY la li Kevin Timml,, ^-v ll- STATUS li �•"=-�� 2/27/2020 DATE c^..rRJEG100ON ��� 18196B PROJECT NumeEN JOHN -° 11 Y. D 2020 1 INC. EXP I RES: 6/30/20 M this Ming I M]S x M•Llr bow NWINWRMWWM.Suesx M• • • Otak won Otak,Inc. ORI MOM IN TIP BE nNSlMLLED nRTVERTICALLY * r . E r SLOPE, i ; SOB SW Third Avenue,Ste.800 ::?� AAA RE t.��"�'-�D T� ` , �� 503.287.6825 ._ E Portland,OR 97204 :" � - —_�-►/ i-- %, 1..� �..1 it ''1 ,/__••�� WWY..UbE.00111 1441121 PUMP w,. MOWN Me MTAIZ IQ f _'-= `-J 71���/ y f �- Y i V II II �• ;• • �p" f f f LONGITUDINAL TERMINAL SLOPE AND na• /f ANCHOR TRENCH CHANNEL ANCHOR TRENCH r / _ �� wr fry f �`� SY • INTAKE ellir• �/ f / L ./ " STAKE AT -���` ` tlorrtw ,,,,... fMil' VA) f YVVV. f-/ * •40. II IBM �t��\�� i� = w AEEA SWT BRr WWI �E f f MAKI / � / f f TIGARD "v" • v�" v f tY vvvvEEw "vv vv v vvv v v v f f "F CLAMP I h - 1M_ II ill OMB NOSE b t f` ` f 1 F� OEIX SLOT AT n'INTERVALS STAPLES ISOMETRIC MEW I— NPVAnON NFW ISOMETRIC VIEW Y. U NOM 3� LIJ �� �\ 1 VENT BAG SHALL BE MANUFACTURED USING A wLwawnENE a Dz NON-WOVEN cEDrernl sEw+INTO A BAG FIX TYPICAL SLOPE ��J O A DOUBLE NEEDLE.USING A NED STRENGTH THREAD. SOIL STABILIZATION �� I y.w, \\-._J 0 PEACH STANDARD YdYENT BAG MUST HAVE A nu.SPOUT LARGE 0*0001 l0 AGLDWDDAIE A A-DISCHARGE NosE.STRAPS J CC ARE ATTACHED TO SECURE THE HOSE AHD PREVENT PUMPED WATER FROM ESCAPING WTNWT BEING FILTERED. ,r3, � SALE SEGMENT BAG SHALL MEET CR EMCEED OVERALL BAG REMOVAL EAre3NCY RATE CE e7.ESR _ / \ EY AWATEN SLING pm4R®FROM THE YpYEN1 BAG MUST BE FREE OF ALL SFpYENr AR CO TO LEAF/LNG DC ST:OR '' �' \� \-, 1. ` 1T z ENTERING INTO TIE STORY SYSTEM. /I /�'. I1E • L� �� \" S.NSiAWNC A SEDIMENT BAG CC A SLOPE REQUIRES THE INCOMING WATER TO FLOW DDYMNLL THROUGH SOBEDNE BAG IIOf m B4�IIC / \ B. 0 WT OUT CREATING MORE EROSION.THE NECK OF TIE SEDIMENT BAG WAS BE STRAWEO TIGHTLY TO TE DISCHARGE HOSE SO AS IT DOES NOT PULL FIIEE'MIEN RUED. NITER: INITIAL CHANNEL INTERMITTENT CHECK '.. I— ESFDIMENT BAG IS FULL WHEN IT NO LONGER CAN Er10ENTLY FILTER SEDIMENT OR ALLOW WATER TO PASS AT A RATE LESS 1. SLOPE SURFACE SHALL BE FREE OF ROCKS,CLODS,MKS AND GRASS YA13/BLANKETS SHALL THw SD%DF MANUFACTURES DESIGNED FLOW RATE. HAVE GOOD 6OE CONTACT. ANCHOR TRENCH SLOT Q LOURING USE,THE SEDIMENT BAG MST BE MONITORED, 2. APPLY PERMANENT SEEDING BEFORE PLACING BLANKETS. N 0.15SVOiE CF USED SEDIMENT BAG OFF SITE OR As APPROVED BY CAS 3.LAY BLANKETS LOOSELY AND STAKE OR STAPLE TO MAINTAIN DIRECT CONTACT WITH THE SOIL.DO NOIES SAWNAPPROMBATE NSTAIL 00WNSTREAM SEDIMENT CONTROL MEASURES PER CW3 STANDARDS. NOT STRETCH. I. CHECK SLOTS TO BE CONSTRUCTED PER MANUFACTURERS SPECIFICATIONS J .W 4. STAKING OR STAPLING LAYOUT PERMANUFACTURERS SPECIFICATIONS 2. STAKNG OR STAPLING LAYOUT PER MANUFACTURERS SPECIFICATIONS. —AyN W SEDIMENT BAG CkanWaterServces MATTING SLOPE INSTALLATION ckanwaterirseivicesMATTING CHANNEL INSTALLATION nV er ServicesCO DRAWING NO. 950 REVISED 02-17 DRAVANG NO. 805 RINSED 12-111 DRAWING NO. 800 REVISED 12-16 J UJ o J I— Ct w CK O W Z 0 0 Y Q J 1 0 0 LL _ STACK SANDBAGS AS I— Y NEEDED CO O oWI w ''Y§Y§ IIFLE Qa A DATE DESCRIPTION 04 IMPERMEABLE LINER IT rSTREAMBEO c0 PROFFf REVISIONS ��'� INeFp ray NAC KJT 74834PE �/ DRAWN BY KJT CHECKED NOTE THIS BARRIER WILL NOT PREVENT SUBSURFACE FLOW FROM ENTERING WORKING ZONE. u. E STATUS CONTINUED PUMPING MAY BE REQUIRED IF ISOLATED WORK AREA NEEDS TO BE DEWATERED. Kevin Timmi ... o"," 2/27/2020 1 - . .4,OREGON a Cr") DATE G/ q y 7 j rio �? 18196BR A. N ✓OHN " \� 12 9 020200TAK.Sc. SANDBAG BARRIER EXPIRES: 6/30/20 n H.A,.,,TL4.2r.MrMR..7. 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