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HomeMy WebLinkAboutD-360506z z U 0 0 E o_ m m N a° JT m 0 3 0 m N N m 0 J a N F r J O 0 a m 0 m vmi m W J W 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 7 PICKED UP AND HAULED OFFSITE. `C \ \ n APPROXIMATE LOCATION OF EXISTING LEVEE — '(a'N�iI LINE LNAi'r oc\ - \CC. I-,1L i SCALE IN FEET 0 20' 40' v 3 � / i - - - - - °w LEGEND EXISTING CHANNEL - ._- ...- ._ -...- 0 NEW CHANNEL ALIGNMENT .�o o - - -° _----o —° SANDBAG DAM S. McCASKEY omcxm: P. JOHANNESSEN oXw: S. SIRES CXECKE6. t. H. LONGFELLOW NO. REVISION 8Y DATE APPR "F : OW1 XnwW/1 CITY OF xoKrzoxru: xFO leer /�ssi I RENTON I °HE 1Np1 DATUM er fv� Planning /Building /Public Works Dept. IF XOi q1E IXOI SGIE ILCgigNELY FISH EXCLUSION NET —x x HIGH VISIBILITY FENCE -ail iSE EXISTING LIMITS OF LOG DEBRIS D= 360506 A 0 ELLIOT SPAWNING CHANNEL REPAIR APRIL 18, 2012 i16➢�tlK SITE PREPARATION AND TESC PLAN M T -2 SITE PREPARATION NOTES OLOGS AND DEBRIS SHALL BE REMOVED OR MOVED FROM ITS CURRENT LOCATION OR AS DIRECTED BY THE ENGINEER. SEE (n SPECIAL PROVISION FOR CLEARING AND (n GRUBBING. d O CHANNEL SHALL BE USED FOR d CONSTRUCTION HAUL ROUTE WHERE CL 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. 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 7 PICKED UP AND HAULED OFFSITE. `C \ \ n APPROXIMATE LOCATION OF EXISTING LEVEE — '(a'N�iI LINE LNAi'r oc\ - \CC. I-,1L i SCALE IN FEET 0 20' 40' v 3 � / i - - - - - °w LEGEND EXISTING CHANNEL - ._- ...- ._ -...- 0 NEW CHANNEL ALIGNMENT .�o o - - -° _----o —° SANDBAG DAM S. McCASKEY omcxm: P. JOHANNESSEN oXw: S. SIRES CXECKE6. t. H. LONGFELLOW NO. REVISION 8Y DATE APPR "F : OW1 XnwW/1 CITY OF xoKrzoxru: xFO leer /�ssi I RENTON I °HE 1Np1 DATUM er fv� Planning /Building /Public Works Dept. IF XOi q1E IXOI SGIE ILCgigNELY FISH EXCLUSION NET —x x HIGH VISIBILITY FENCE -ail iSE EXISTING LIMITS OF LOG DEBRIS D= 360506 A 0 ELLIOT SPAWNING CHANNEL REPAIR APRIL 18, 2012 i16➢�tlK SITE PREPARATION AND TESC PLAN M T -2