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HomeMy WebLinkAboutSWP2702264.1E i 0 N 0 .• • 0 0 U) (1) E 0 [-,\4AP WOOD CR K _1SH C I IANN JL 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. PROJECT PLANS AND SPECIFICATIONS TAKE PRECEDENCE OVER THESE NOTES.) SHEET NO. DRAWING DESCRIPTION 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. 1 PROJECT LOCATION MAP AND DRAWING INDEX 2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE LATEST EDITION OF THE "STANDARD 2 PROJECT SITE PLAN SPECIFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION" PREPARED BY W.S.D.O.T., 3 SITE PLAN A AND PROFILE AND THE AMERICAN PUBLIC WORKS ASSOCIATION (APWA), AS AMENDED BY THE CITY OF RENTON. 4 SITE PLAN B AND PROFILE 3. THE STORM DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO THE APPROVED PLANS WHICH 5 SITE PLAN C AND PROFILE ARE ON FILE WITH THE CITY OF RENTON. ANY DEVIATION FROM THE APPROVED PLANS WILL REQUIRE 6 SITE PLAN D AND PROFILE WRITTEN APPROVAL FROM THE CITY OF RENTON DEVELOPMENT SERVICES DIVISION. 7 SITE DETAILS AND SECTIONS 4. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER CONSTRUCTION IS IN PROGRESS. 8 SPLITTER STRUCTURE AND FISH LADDER GRADING PLANS 9 TYPICAL CHANNEL SECTIONS 5. DATUM SHALL BE U.S.G.S. UNLESS OTHERWISE APPROVED BY CITY OF RENTON. REFERENCE BENCHMARK 10 BOX CULVERT CROSSING DETAILS AND ELEVATION ARE NOTED ON THE PLANS. 11 LOG DROP STRUCTURE PLAN, SECTIONS, AND DETAILS 6. ALL SEDIMENTATION/EROSION FACILITIES MUST BE IN OPERATION PRIOR TO CLEARING AND BUILDING 12 FISH HABITAT STRUCTURE DETAILS CONSTRUCTION, AND THEY MUST BE SATISFACTORILY MAINTAINED UNTIL CONSTRUCTION IS COMPLETED 13 STANDARD CONCRETE AND REINFORCEMENT DETAILS AND THE POTENTIAL FOR ON —SITE EROSION HAS PASSED. 14 SPLITTER STRUCTURE PLAN AND SECTIONS 15 FISH LADDER PLAN AND SECTIONS 7. ALL RETENTION/DETENTION FACILITIES MUST BE INSTALLED AND IN OPERATION PRIOR TO OR IN 16 FISH LADDER SECTIONS AND DETAILS CONJUNCTION WITH ALL CONSTRUCTION ACTIVITY UNLESS OTHERWISE APPROVED BY THE DEVELOPMENT SERVICES DIVISION. 17 MISC METAL AND RAILING DETAILS 18 MISC METAL DETAILS 8. GRASS SEED MAY BE APPLIED BY HYDROSEEDING. THE GRASS SEED MIXTURE, OTHER THAN CITY OF 19 VEGETATION SITE PLAN A AND SECTIONS RENTON APPROVED STANDARD MIXES, SHALL BE SUBMITTED BY A LANDSCAPE ARCHITECT AND APPROVED 20 VEGETATION SITE PLAN B AND SECTIONS BY THE DEVELOPMENT SERVICES DIVISION. 21 VEGETATION SITE PLAN C AND SECTIONS 9. ALL PIPE AND APPURTENANCES SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION IN ACCORDANCE 22 VEGETATION SITE PLAN D AND SECTIONS 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 ADDITIONAL DRAWINGS 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 NEW GREEN PLAN EXCEPTION OF PVC PIPE. ALL TRENCH BACKFILL SHALL BE COMPACTED TO MINIMUM 95% FOR PAVEMENT RELOCATION OF 16—INCH WATER LINE AND STRUCTURAL FILL AND 90% OTHERWISE PER ASTM D-1557-70. PEA GRAVEL BEDDING SHALL BE 6" OVER AND UNDER PVC PIPE. PRIVATE UTILITY RELOCATIONS WSDOT STANDARD PLAN B-5, REINFORCED CONCRETE SINGLE BOX CULVERT (11-26-79) 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. 5 40 TOLT RESERVOIR LA WAS INCTON J V LAKE SAMWAMISH �04 Se a tt I � Bel evue s�o� KING COUNTY o Poop Renton PROJECT SITE � CEDAR LAKE s ��7 �g 1 U J Dq� CHESTER it `\ HORSE LAKE 167 GQ�E 5 HANSON a RESERVOIR Enumclaw / MUD MOUNTAIN i I LAKE 0 5 10 20 SCALE IN MILES .g who - .z7— 2 zdkt LOCATION MAP PROJECT SITE SEE SHEET 2 169 MAPLEWOOD GOLF COURSE CFO q 0 .25 .5 1 SCALE IN MILES VICINITY MAP 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%-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. SW SE 1 /4 1 /4 SECTION SECTION 15 TOWNSHIP 23N RANGE SE 16 FTTREs 12 2199 NE 1 /4 SECTION 21 1 Ap A NW 1 /4 SECTION 22 — Engineers and Scientists Bellevue, Washington TEL: (425) 602-4000 FAX: (425) 602-4020 NO. REVISION BY I APPR. DATE b 0 0 N W N N /9P , _ SCANNED MAR 3 0 ZOCO