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HomeMy WebLinkAboutSWP3102057.1SHEET__ # 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. PROJECT SITE Jrwp-27-jos7 mi 0Nun 100 OIL' DRAWING DESCRIPTION LOCATION MAP AND DRAWING INDEX SITE PLAN UPPER CHANNEL REGRADING STANDARD DETAILS AND NOTES BASIN PLAN, SECTIONS AND DETAILS SPILLWAY PLAN AND SECTIONS SPILLWAY SECTIONS AND DETAILS FISH WAY PLAN, SECTIONS AND DETAILS MISCELLANEOUS SECTIONS AND DETAILS EROSION CONTROL PLAN 0 5 10 20 SCALE IN MILES LOCATION MAP 0 .25 .5 1 SCALE IN MILES VICINITY MAP SW 1/4 SECTION 15 TOWNSHIP 23N RANGE 5 E SE 1/4 SECTION 16 NE 1/4 SECTION 21 NW 1/4 SECTION 22 CITY OF RENTON STORM WATER DRAINAGE NOTES: (THE FOLLOWING NOTES ARE REQUIRED BY THE CITY OF RENTON TO APPEAR ON THESE PLANS. SOME NOTES MAY NOT APPLY TO THIS PROJECT.) 1. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON DEVELOPMENT SERVICES DIVISION, PLAN REVIEW PROJECT MANAGER. 2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE LATEST EDITION OF THE "STANDARD SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION" PREPARED BY W.S.D.O.T., AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA), AS AMENDED BY THE CITY OF RENTON. 3. THE STORM DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS WHICH ARE ON FILE WITH THE CITY OF RENTON. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE WRITTEN APPROVAL FROM THE CITY OF RENTON DEVELOPMENT SERVICES DIVISION. 4. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 5. DATUM SHALL BE U.S.G.S. UNLESS OTHERWISE APPROVED BY CITY OF RENTON. REFERENCE BENCHMARK AND ELEVATION ARE NOTED ON THE PLANS. 6. ALL SEDIMENTATION/EROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND BUILDING CONSTRUCTION, AND THEY MUST BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED AND THE POTENTIAL FOR ON -SITE EROSION HAS PASSED. 7. ALL RETENTION/DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN CONJUNCTION WITH ALL CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE DEVELOPMENT SERVICES DIVISION. 8. GRASS SEED MAY BE APPLIED BY HYDROSEEDING. THE GRASS SEED MIXTURE, OTHER THAN CITY OF RENTON APPROVED STANDARD MIXES, SHALL BE SUBMITTED BY A LANDSCAPE ,ARCHITECT AND APPROVED BY THE DEVELOPMENT SERVICES DIVISION. 9. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE WITH SECTION 7-02.3(1) OF THE CURRENT STATE OF WASHINGTON STANDARD) SPECIFICATION FOR ROAD AND BRIDGE CONSTRUCTION. THIS SHALL INCLUDE NECESSARY LEVELING OF THE TRENCH BOTTOM OR THE TOP OF THE FOUNDATION MATERIAL AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED BEDDING MATERIAL TO UNIFORM GRADE SO THAT THE ENTIRE LENGTH OF THE PIPE WILL BE SUPPORTED ON A UNIFORMLY DENSE UNYIELDING BASE. ALL PIPE BEDDING SHALL BE APWA CLASS "C", WITH THE EXCEPTION OF PVC PIPE. AL TRENCH BACKFILL SHALL BE COMPACTED TO MINIMUM 95% FOR PAVEMENT AND STRUCTURAL FILL AND 90% OTHERWISE PER ASTM D-1557-70. PEA GRAVEL BEDDING SHALL BE 6" OVER AND UNDER PVC PIPE. 10. GALVANIZED STEEL PIPE AND ALUMINIZED STEEL PIPE FOR ALL. DRAINAGE FACILITIES SHALL HAVE ASPHALT TREATMENT #1 OR BETTER INSIDE AND OUTSIDE. 11. STRUCTURES SHALL NOT BE PERMITTED WITHIN 10 FEET OF THE SPRING LINE OF ANY DRAINAGE PIPE, OR 15 FEET FROM THE TOP OF ANY CHANNEL_ BANK. 12. OPEN CUT ROAD CROSSINGS THROUGH EXISTING PUBLIC RIGHT-OF-WAY WILL NOT BE ALLOWED UNLESS SPECIFICALLY APPROVED BY CITY OF RENTON. 13. ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE REQUIRED, SHALL BE OF SOUND QUARRY ROCK PLACED TO A DEPTH OF 1 FOOT AND MUST MEET THE FOLLOWING SPECIFICATION: 4"-8"/40%W-70% PASSING; 2"-4" ROCK/30%-40% PASSING; AND <2" ROCK,/10%-20% PASSING. 14. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING ADEQUATE SAFEGUARD, SAFETY DEVICES, PROTECTIVE EQUIPMENT, FLAGGERS, 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 THE TRAVELED RIGHT-OF-WAY THAT MAY INTERRUPT NORMAL TRAFFIC FLOW SHALL REQUIRE AN APPROVED TRAFFIC CONTROL PLAN BY THE TRANSPORTATION DIVISION. ALL SECTIONS OF THE W.S.D.O.T. STANDARD SPECIFICATION 1-07-23, TRAFFIC CONTROL, SHALL APPLY. 15. SPECIAL DRAINAGE MEASURES WILL BE REQUIRED IF THE PROJECT LOCATION IS WITHIN THE AQUIFER PROTECTION AREA. n- 2os7491 NORTHWEST, INC. Engineers and Scientists Bellevue, Washington 2353-130TH AVE NE, SUITE 200 BELLEVUE. WASHINGTON 98005 FAX: (206) 883-7555 TEL, (206) 882-2455 A I A,5- BU1 LT MOTES ADDED IDWH 1 �1 5 -1I-9S N0. -{I REVISION jl BY WPPROX.I DATE CITY OF RENTON DEPARTMENT OF PUBLIC WORKS MAPLEWOOD CREEK SEDIMENTATION BASIN RECONSTRUCTION AND IMPROVEMENT PROJECT LOCATION MAP AND DRAWING INDEX DESIGNED: R.S.P. HNW DATE: 7-15--96 FILE NAME: SHEET1 DRAWN: C.L.C. HNW CHECKED: D.E.P. HNW SCALE: AS NOTED RELD BOOK: PAGE: APPROVED: SuEET 1 OF: 1 C DIRECTOR OF PUBLIC WORKS a b rrn 0 0 d x Cn 0 Wy 1 Cn z N z mo o 0 z SCANNED MAY - 9 1999