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HomeMy WebLinkAboutD-360505I- F_ F_ H V) UP a IL a z z U 0 0 E < a a 0 m N O N Di n a T N a` 3 a 0 N N i 0 WO F r O d a i J 0 a 0 r 0 a 0 n N m w SCALE IN FEET 0 20' 40' INSTALL LEVEL SPREADER CDR DTL 217.5 (® THIS LOCATION OR AS DIRECTED BY ENGINEER. AN ADVL SPREADER MAY BE REQUIRED UPSTREAM DURING CONSTRUCTION.) TEMPORARY SANDBAG DAM EXISTING DEBRIS JAM G SUMP AREA PUMP TO LEVEL SPREADER ` (UTILIZE FISH SCREENS PER HPA REQUIREMENTS) EXISTING DEBRIS JAM—/ in _-IZ i a� --- - -- -moo --.. PROPOSED LEVEE HAUL ROUTE (EXISTING GRAVEL SURFACE, SUPPLEMENT GRAVEL SURFACE WITH 4 CSBC 4 WcH `\ � d' CLEARING AND GRUBBING /� � LIMITS, TYPICAL (SEE �4 ` /cY GENERAL NOTES #7) \ n NO. I REVISION e BY I DATE I APPR LH Y➢ AND DEBRIS SHALL BE REMOVED OLOGS OR MOVED FROM IT'S CURRENT LOCATION DMGNM OR AS DIRECTED BY THE ENGINEER. SEE P. SPECIAL PROVISION FOR CLEARING AND Dw. GRUBBING. OCHANNEL SHALL BE USED FOR CHECIED: CONSTRUCTION HAUL ROUTE WHERE H. FEASIBLE. NO TEMPORARY STABILIZATION MATERIALS SHALL BE LEFT IN THE CHANNEL CONTRACTOR SHALL SUPPLEMENT THE TRAFFIC CONTROL PLAN & SUBMIT THEIR ANTICIPATED HAUL ROUTE PLAN FOR APPROVAL PRIOR TO THE PRE - CONSTRUCTION MEETING. O3 SANDBAGS SHALL BE 3'x3'x3' GEOTEXTILE BAGS WITH KEYED IN THICK VISQUEEN PLASTIC TO PREVENT /REDUCE WATER SEEPAGE THROUGH DAM (IF NEEDED). LEVEL SPREADER SHALL BE LAID LEVEL 4 AND PARALLEL TO EXISTING CONTOURS WITH RUNOFF DIRECTED AWAY FROM WORK AREA. LOCATIONS MAY NEED TO BE MOVED DURING CONSTRUCTION OR AS DIRECTED BY THE ENGINEER. LH Y➢ S. McCASKEY DMGNM P. JOHANNESSEN Dw. S. SIRES CHECIED: H. LONGFELLOW zue Hav¢oM'w ;dD�i,�� 1 ^ =zo' � DATUM WE AT NLLS E If W O E INCH S /LCM Np y GENERAL NOTES 1. CHANNEL SHALL BE SUBSTANTIALLY DRY PRIOR TO ANY WORK IN THE CHANNEL. 2. CONTRACTOR'S BIOLOGIST WILL PLACE FISH EXCLUSION NETS AND REMOVE /RELOCATE ANY STRANDED FISH PER THE PROVISIONS OF THE HPA PRIOR TO CONSTRUCTION. 3. UPON COMPLETION OF CHANNEL CONSTRUCTION, DISTURBED AREAS SHALL BE RESTORED ACCORDING TO PLANTING PLANS. 4. ITEMS RELATED TO CHANNEL DEWATERING OF PONDED AREAS INCLUDING SANDBAG DAMS, SUMP, PUMPS, PIPES, LEVEL SPREADER AND FISH EXCLUSION NETS SHALL BE PAID UNDER THE EROSION /WATER POLLUTION CONTROL BID ITEM. 5. STABILIZED CONSTRUCTION ENTRANCE SHALL BE PER WSDOT STD PLAN 1- 80.10 -01. 6. ALL TEMPORARY EROSION CONTROL ITEMS SHALL BE REMOVED FROM THE SITE ONCE CONSTRUCTION IS COMPLETE AND THE SITE HAS BEEN STABILIZED UNLESS OTHERWISE DIRECTED BY THE ENGINEER. 7. CLEARED & GRUBBED VEGETATION SHALL BE REMOVED OFFSITE TO AN APPROVED DISPOSAL SITE. KNOTWEED SHALL NOT BE CUT AND DUMPED ON -SITE. ALL FRAGMENTED KNOTWEED LEAVES SHALL BE HAND PICKED UP AND HAULED OFFSITE. CITY OF RENTON Planning /Building /Public Works Dept. 111*14NC I I.\ EXISTING CHANNEL NEW CHANNEL ALIGNMENT — SANDBAG DAM FISH EXCLUSION NET x x HIGH VISIBILITY FENCE EXISTING LIMITS OF LOG DEBRIS D- 360505 ELLIOT SPAWNING CHANNEL REPAIR SITE PREPARATION AND TESC PLAN APRIL 18, 2012 HmeooH: T -1 5 14