HomeMy WebLinkAboutStormwater Facility Summary Sheet 20140226KINGCOUNTY,WASHINGTON,SURFACEWATERDESIGNMANUALSTORMWATERFACILITYSUMMARYSHEETDDESPermitNumber__________________(provideoneStormwaterfacilitySummarySheetperNaturalDischargeLocation)Overview:ProjectNameSpringGlenElementarySchoolSiteImprovementsDate2014Feb26DownstreamDrainageBasinsMajorBasinNameBlackRiverImmediateBasinNameBlackRiverFlowControl:FlowControlFacilityName/NumberDetentionTank(1of2)FacilityLocationParcel2923059061(East)Ifnone,Flowcontrolprovidedinregional/sharedfacility(givelocation)NIANoflowcontrolrequired_____________ExemptionnumberNIAGeneralFacilityInformation:Type/Numberofdetentionfacilities:Type/Numberofinfiltrationfacilities:0ponds0ponds0vaults0tanksItanks0trenchesControlStructureLocationCB18TypeofControlStructureRISERIFROP-TEENumberofOrifices/Restrictions2SizeofOrifice/Restriction:No.10.60INCHNo.20.80INCHNo.3__
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KINGCOUNTY,WASHINGTON,SURFACEWATERDESIGNMANUALLiveStorageVolume9,530CuFTDepth4.5FT(LIVEDEPTH)VolumeFactorofSafety1.0NumberofAcresServed0.60NumberofLotsI(PARTIAL)DamSafetyRegulations(WashingtonStateDepartmentofEcology)ReservoirVolumeabovenaturalgrade0DepthofReservoirabovenaturalgrade0FacilitySummarySheetSketchAlldetention,infiltrationandwaterqualityfacilitiesmustincludeadetailedsketch.(11‘17”reducedsizeplansheetsmaybeused)2009SurfaceWaterDesignManual1/9/20092
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KINGCOUNTY,WASHINGTON,SURFACEWATERDESIGNMANUALAlldetention,infiltrationandwaterqualityfacilitiesmustincludeadetailedsketch.(11“xl7”reducedsizeplansheetsmaybeused)2009SurfaceWaterDesignManual1/9/20094
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KINGCOUNTY,WASHINGTON,SURFACEWATERDESIGNMANUALSTORMWATERFACILITYSUMMARYSHEETDDESPermitNumber__________________(provideoneStomiwaterFacilitySummarySheetperNaturalDischargeLocation)Overview:ProjectNameSpringGlenElementarySchoolSiteImprovementsDate2014Feb26DownstreamDrainageBasinsMajorBasinNameBlackRiverImmediateBasinNameBlackRiverFlowControl:flowControlFacilityName/NumberDetentionTank(2of2)FacilityLocationParcel2923059061(West)Ifnone,Flowcontrolprovidedinregional/sharedfacility(givelocation)N/ANoflowcontrolrequired_____________ExemptionnumberNIAGeneralFacilityInformation:Type/Numberofdetentionfacilities:Type/Numberofinfiltrationfacilities:0ponds0ponds0vaults0tanksItanks0trenchesControlStructureLocationCE2TypeofControlStructureRISERJFROP-TEENumberofOrifices/Restrictions2SizeofOrifice/Restriction:No.11.40INCHNo.21.70INCHNo.3__
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KINGCOUNTY,WASHiNGTON,SURFACEWATERDESIGNMANUALLiveStorageVolume9,530CUFTDepth4.5FT(LIVEDEPTH)VolumeFactorofSafety1.0NumberofAcresServed2.61NumberofLotsI(PARTIAL)DamSafetyRegulations(WashingtonStateDepartmentofEcology)ReservoirVolumeabovenaturalgrade0DepthofReservoirabovenaturalgrade0FacilitySummarySheetSketchAlldetention,infiltrationandwaterqualityfacilitiesmustincludeadetailedsketch.(llx17t?reducedsizeplansheetsmaybeused)2009SurfaceWaterDesignManual1/9/20092
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