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Home My WebLink AboutD-283101STi I� 9 } a W A N W 7 O W Q_ Z W W W V Qa ow Z Z:2 D W 0 O IF- W 0 Z O 0 CITY OF RENTON, WASHINGTON SUN N )(C) A LEE w DOWNSTREAM STORM REPLACEMENT PRO JECT w N SE 1/4 SEC 16 TWN 23N RGE 5E W.M. w J H H INDEX OF DRAWINGS SHEET N0. DESCRIPTION `- '�1 •c STORM WATER DRAINAGE NOTES 1 2 VICINITY MAP &TITLE SHEET PLAN AND PROFILE SHEET 1 0 w 00 F, 3 3 PLAN AND PROFILE SHEET 2 K 3) All construction shall be ;n accordance with the 1996 edition of the 'Standard Specifications for Rood, 4 TYPICAL DETAILS 7 Ua os amended by the City of Renton and the special provisions for this project. 5 TYPICAL DETAILS 2 %_1 `- '�1 •c STORM WATER DRAINAGE NOTES a 1) A copy of these approved plans must be on the ,yob site whenever construction is in progress. 2) In unimproved oreos, manhole to extend minimum 6 inch and maximum 18 inch above finished grove. s In paved area, cover must slope in oil directions to match poving. K 3) All construction shall be ;n accordance with the 1996 edition of the 'Standard Specifications for Rood, • o Bridge and Municipal Construction" prepared by WSDOT, and the American Public Works Association (APWA), os amended by the City of Renton and the special provisions for this project. s 4) The Contractor shall be responsible for providing adequate safeguard, safety devices, protective equipment, Roggers, and any other needed actions to protect the life, health. and safety of the public, and to protect property in connection with the performance of work covered by the contract. Any work within D W the traveled right- of -woy that may interrupt normal traffic Row shall require on opproved traffic contra pion by the Transportation Division. All sections of the WSOOT Standard Specificotions 1- 07.23, Traffic Control, shol apply. PROJECT CONTROL NOTES Sunnydole downstrevrn bosemopping job no. 10- 00050 -20 3130100 Survey notes: Z Horizontal Dotum: City of Renton NAVO 1983/91 feet coordinates per City of Renton control Washington State Plane - north tone recovered stations on 3113100 Sto. na 6077: found a 2 brass disc w/ punch ono 4 X 4" concrete monument in case in the Center of the Cedor River Trail opproximoteiy 350 feet west of the intersection of SR 169 and 131st Ave. SE. C1. CL Northing: 174777.603' Easting: 1311148.764' Elevation: 81.420' Q . Sto. no. 26 78: found o 2" brass surface disc on the concrete deck over the fish fodder on the Cedor River Troa. 1100 feet west of sto. no. 2677. o Northing: 175326.054' Eosting: 1310176.998 Elevation: 75.092' Sto. no. 1897: found o 118" did, pin in concrete monument in case approximately 150' SE of the intersection to of SE 5th St. and Newport Ave. SE on the centerline of SE 5th St. and lying 29' NE7y Of the corner and on the extension of a 6' wooden fenceline. Northing: 176649.207 Eosting: 1309351.192 Vertical Datum: City of Renton NAVD 1988 feet Recovered benchmark sto. no. 1520 on 3113100 Description: found o hub and tock in o monument cost gpproximatefy, 100 feet NE of the intersection Of SE 5th St. and Maple Volley Highway. Elevation: 62.562' 2 Recovered benchmark sto. no. 2678 (see description above In horizontal datum) Devotion: 75.092' 0 Set Temporary Benchmark (T8M) TOM 2992 -19 -: Set hub & tock 25' south of 18" CUP storm outfox pipe. Elevation: 107.65' TOM 2992 -19 -2: Set R.R. Spice in foce of 21" did. maple approxknotely 40' toot of MM 2992 -19 -1. Elevotion: 117.82' TOW 2992 -21 -1: Set P.K. no# and shiner In oshpholt povement on west side of Modrono Drive just north of grovel access rood to Sunnydole M.H.P. south storm Mention pond. ELEVATION: 315.30' this project is located in the N112 of the SE1 14 of w. 16, T. 23 N., R. 5 E.' W M. i ,f CONSTRUCTION NOTES 1) Contractor is responsible for providing storimwater bypass system for existing drainage g construction when existing 18 CUP is token out of service for construction of new HOPE pipe, Bypass must be approved by the Engineer. 2) Contractor shop take precautions while working in vicinity of the gas pipeline crossing. 3) Suggested Construction sequence: The Construction Sequence outlined below is intended to demonstrate a possible general course of action. The contractor shall review and, if desired, develop alternatives suitable to their operation. I. Locate all existing utaitie& 2. identify vegetation to be removed and install high visibRity fencing in accordance with Special Provision 2 -01. 3. Install temporary sift fence, check dom, and temporary streon bypass system of the outlet structure. Install temporary silt fence at rock buttress. 4. Excovote and install outlet structure and adjacent riprop pod. 5. Fuse HOPE pipe and install along opproximote alignment. 6. Install pipe bypass system at top of project and transfer Rows from existing pipe. 7. Excavate trenches for pipe, dismantling the existing rock buttress and fence as needed. The transfer of Row from the existing system to new pipe shall occur when no roin is forcost within the next 24 hours. 8. Remove the trenched section of the existing pipe. including the existing catch bosin nearest to the gas pipelines. Install COF over gas pipeline. 9. Place the HOPE pipe in the final alignment. Connect pipe to structures. 10. Sockfal the pipe. Reconstruct the rock buttress. Remove stream and bypass system. 11. Install lateral pipe anchors, 12. Remove the remaining existing pipe and catch bosin. 13. Reconstruct the chain link fence as necessary. Restore oil property at the east end of the project. Apply seed, fertilizer, and mulch to oil disturbed areas. 14. Remove temporary erosion control measures, including temporary silt fences and accumulated sediment, otter vegetation has been established and accepted by the Engineer. EROSION CONTROL NOTES 1) All limits of clearing and areas of vegetation preservation as prescribed on the pion shall be clearly Ragged in the field and observed during construction. 2) All required sedimentation /erosion control foc17ities must be constructed and in operation prior to land Clearing and /or other construction to insure that sediment loden water does not enter the natural drainage system. All erosion and sediment facilities shall be maintained in a satisfactory condition until such time that clearing and /or construction is completed and potential for on -site erosion has passed. The irrnplementotion. maintenance, replacement and odditions to erosion /sedimentotion control systems Shoff be the responsibility of the contractor. 3) The erosion and sedimentation control systems depicted on these pion sheets ore intended to be minimum requirements to meet anticipated site conditions. As construction progresses and unexpected or seasonal conditions dictote, the contractor shoo anticipate that more erosion and sedimentation control facilities will be necessary to insure complete siltotion control on the proposed site. During the course of construction. it shall be the obligation and responsibility of the contractor to address any new conditions that may be created by his activities and to provide Qdditionol facilities, over and obove minimum requirements, as may be needed to protect adjacent properties and water quality of the receiving drainage system. N _ of iCIPA ORT � J J N 2ND sr AD I S Ra � U wk Z w : <7 VICINITY MAP rp w IDLa RENTON me im s� e K 10M SE viol K PC n Y PROJECT--u LOCATION _6wx pl 6p D 4M 283,fO LEGEND EXISTING NEW CATCH BASIN / CONTROL STRUCTURE SANITARY SEWER MANHOLE 0 WA TER LINE S TORMORAIN LINE SD SANITARY SEWER LINE SS POLE RiPRAP APP�OV 4) During the time period of November 1 through Moreh 3i. Oil project disturbed soil areas greater than 5,000 square feet, that ore to be left unworked for more than twelve (12) hours„ shall be covered by CHEF fau4WLIANCE mulche sodding, or plastic covering. In TO; RDS Sj an area which has r y► been stripped of vtgetdt�on and where no further work �s ont�cipoted for o period �•.. of 30 days or more, oil disturbed areas must be immediotely stabilized with mulching, gross planting or other approved erosion control treatment applicable to the time of year in question. Gross seeding clone will be occeptobfe only during the months of Apra through September inclusive. Hydroseeding may proceed, however, whenever it is in the interest of the contractor, but must be augmented with mulching. netting, or other treatment approved by the City of Renton, outside the specified time period. 6) Issuance of the Budding or Construction Permit by the City of Renton does not relieve the contractor of the continuing legal obligation and /or liability connected with storm water disposition. Further, the City of Renton does not accept any obligation for the proper functioning and maintenance of the system provided during construction. The contractor shall make every effort to remove only those trees and vegetation necessary to construct the pipeline, CALL BEFORE YOU 010 PROPOSED 0 O —W- —so— _SS_ 10;0;0;0-0-1 n 6 M nono go* V� VAS SHEETS 1 THRU 5 OF THESE PLANS SHALL ` BE DEEMED APPROVED BY THE SIGNATURE AND ` C SEAL ON THiS SHEE T. 4a�9 �' 2e041 UTILITY ONE CALL 1 -800- 424 -5555 -- O - 00C d04EL�U1 ROB L 91 � F Ft I'� 3 ♦,��OUAL "l Y� We lXPII!!d b o L D N N 'T R A N C 0 WWW.ENTRANC0.00M D--121813111 OW 1 SCANNEr?NOV - 7 2003 r 1