HomeMy WebLinkAboutC603_Site Grading + Drainage NW 2021-03-19SDSDSDSDSDSDWWS
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SDSDSDSDSDSDSDSDSDSDSDSDWW8W8W6WHY D 8W8W6WHY D 21.8021.7421.6022.3922.5722.8522.7922.5721.8421.54-1.37%-0.62%-1.11%RIM: 21.23INV W: 17.47INV E: 17.4737.9 LF OF 30"RCP @ 0.55%-1.38%-1.28%21.3221.6121.0721.1121.2521.3121.3721.2721.17-1.00%23.5723.3123.2522.9423.2923.5423.4822.4422.50-1.04%-1.75%-1.37%-0.96%-1.34%-0.29%21.2321.2621.4221.3122.0022.20RIM: 21.83INV NW: 18.6656.2 LF OF 8"RCP @ 1.2%22.3922.4122.3222.2022.2222.4422.5223.1923.1022.2222.3222.2222.68-1.73%-1.98%-2.41%-0.08%PROPOSED DETENTION PONDMIN STORAGE ELEV: 17.1EST HIGH GW ELEV: 18.510 YEAR WSEL: 21.7'TOP OF POND: 22.0'MIN STORAGE VOLUME: 59,409CFINV OUT: 4717.3INV OUT: 4718.0INV OUT: 4717.2REMOVE AND REPLACEEXISTING STEEL OUTLETASSEMBLY. NEW 8.5 ORIFICEPLATE AT BOTTOM OF 12"CMP ELBOW. SEE 4/C040AND 5/C040 FOR OUTLETSTRUCTURE DETAILS.-33.33%-33.33%WATERCOURSEBOUNDARYZONE 1WATERCOURSEBOUNDARYZONE 221.1921.09-1.57%-5.82%20.00' STORM SEWER EASEMENT47
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4719 472047214721 4720471947184718471947204721472147214719.04720.0 4721.0
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4721.0 INV OUT: 4717.3REMOVE TEMPORARY24" DIA. HDPE RISEREXISTING 15" HDPE PIPEINV: 16.40'4718.0
4718.04722.04722.0
4722.011x17 HORIZONTAL SCALE: 1" = 20'GRAPHIC SCALE0(IN FEET)5105101 INCH = 10 FTREVIEW
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406.761.3010 • tdhengineering.com
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