2021.0008 site planDRAWN BY:DESIGN BY:DWG.REVDATEDESCRIPTIONPROJ. NO:DATE:DWG.IF NOT, SCALE ACCORDINGLYONE INCH AT FULL SCALE.Stevens StDevelopmentOwner/Developer:Project:Engineer:Justin Jones, PE905 Main St. Suite 200Sumner, WA 98390(206) 596-2020JJ12/15/20C & E Developments LLCPO Box 2983Yelm, WA 98597-2983(360) 400-0432December 15, 2020VicinityMapFt02040C-011" = 20'Stevens St NEN
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'12'13'Storm PlanFt01020C-021" = 10'Bioretention CellBottom Area=50 SFProperty LineProperty LineCurb Cut for StormRunoff to BioretentionCell (Typ.)110 Ft3 48" Dia. by 9' DeepDrywell per DOE BMP T5.10A110 Ft3 48" Dia. by 9' Deep Drywellper DOE BMP T5.10AStevens St NEProposed BuildingArea=3,663 SFDownspout(Typ.)Downspout(Typ.)Downspout(Typ.)Downspout(Typ.)6" PVC Storm LineS=0.5% Min.6" PVC Storm LineS=0.5% Min.Asphalt PavementLEGENDConcrete PavementStormwaterFlowpath (Typ.)AsphaltPavement (Typ.)Existing Curbline(Typ.)Existing LandscapePlanter (Typ.)Existing ConcreteSidewalk (Typ.)Water LineSewer LinePower LineStorm LineBuilding PowerConnection (Typ.)Building SewerConnection (Typ.)Building WaterConnection (Typ.)Water Meters (Typ.)1.Contractor to install temporary erosion and sediment controlmeasures as necessary to ensure stormwater leaving the site isfree of settleable solids.2.Roads shall be cleaned thoroughly as needed to protectstormwater infrastructure and downstream water resources.Sediment shall be removed from roads by shoveling or pickupsweeping and be transported to a controlled sediment disposalarea.3.Install storm drain inlet protection in all existing catch basinswithin the project vicinity per WSDOT Std Plan I-40.20-00.4.Install straw bale barriers, wattles, and other TESC measures asnecessary.5.Exposed soils shall be watered as necessary to prevent dustfrom leaving the site.6.Contractor to mark clearing limits with lath and flagging.7.Concrete handling and equipment washing shall be inaccordance with DOE BMP C151.8.Intall Silt Fence per DOE BMP C233 as necessary. Install HighVisibility Construction Fence where Silt Fence is not RequiredPer DOE BMP C103.TESC NOTESGENERAL NOTES1.Storm Pipes to Maintain a Minimum Cover of 1.5' from FinishedGrade Surface.2.Storm Pipes to be SDR 35 PVC Piping.3.Bioretention Cells to be Constructed Per DOE Figure 7.4.1a.4.Stormwater Drywells to be Constructed per DOE Figure 3.1.4.CONSTRUCTION NOTES1.Bioretention Cell Sizing Based on WWHM Modeling:·Pollution Generating Hardscape Area = 5,400 SF·Infiltration Rate = 3.0" per hr·Soil Media Depth = 18"·Ponding Depth = 12"·Freeboard = 6"·Sidewall Slope = 3:1·Minimum Bottom Area = 100 SF2. Drywell Sizing Based on DOE Specifications:·Roof Area Sent to Drywells = 3,663 SF·Infiltration Rate = 3.0" per hr·Required Gravel Volume = 60 Ft3 per 1,000 SF ofimpervious surface area·(3,663 SF Roof Area / 1,000 SF) x 60 Ft3 = 220 Ft3 ofGravel Required.Bioretention CellBottom Area=50 SFSTEP Tanks (Typ.)Type 40 CatchBasin (Typ.)Type 40 CatchBasin (Typ.)Connect to ExistingWater StubConnect to ExistingSewer StubGrade Break Line (Typ.)Curb Cut for StormRunoff to BioretentionCell (Typ.)6" Extruded Curb (Typ.)Proposed ConcreteDriveway Per CIty ofYelm Detail 4-912'7'5'10'12'20'30'6'
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9'20'16'8'8'Proposed BarbecuePit10'DRAWN BY:DESIGN BY:DWG.REVDATEDESCRIPTIONPROJ. NO:DATE:DWG.IF NOT, SCALE ACCORDINGLYONE INCH AT FULL SCALE.Stevens StDevelopmentOwner/Developer:Project:Engineer:Justin Jones, PE905 Main St. Suite 200Sumner, WA 98390(206) 596-2020JJ12/15/20C & E Developments LLCPO Box 2983Yelm, WA 98597-2983(360) 400-0432December 15, 20209'9'19'78'48'Proposed ConcreteDriveway Per CIty ofYelm Detail 4-9
DRAWN BY:DESIGN BY:DWG.REVDATEDESCRIPTIONPROJ. NO:DATE:DWG.IF NOT, SCALE ACCORDINGLYONE INCH AT FULL SCALE.Stevens StDevelopmentOwner/Developer:Project:Engineer:Justin Jones, PE905 Main St. Suite 200Sumner, WA 98390(206) 596-2020JJ12/15/20C & E Developments LLCPO Box 2983Yelm, WA 98597-2983(360) 400-0432December 15, 2020DetailsC-03