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Name : Lateral Basin 1 (Lawn Area) <br />Bypass: No <br />Grtnum0ater: No <br />Pervious Land Use <br />seem C, Lawn, Flat .03 <br />Element Flows To: <br />Surface Interflow Groundwater <br />Trapezoidal Pond 1 <br />Name : Trapezoidal Pond 1 (Volume for Gravel Trench drain) <br />Bottom Length: 42.00 ft. <br />Bottom Width: 1.00 ft. <br />Depth: 2 ft. <br />Volume at riser head: 0.0042 acre-feet. <br />Side elope 1: 3 To 1 <br />Bide elope 2: 3 To 1 <br />Bids slope 3: 3 To 1 <br />Bids slope a: 3 To 1 <br />Discharge Structure <br />Riser Height: 1 ft. <br />Riser Diameter: 8 in Orifice 1 Diameter:1 in. Elevation: 0 ft. <br />Element Flows To: <br />Outlet 1 Gutlet 2 <br />Trench Drain Calculation <br />0.0062 ac-ft = 183 cu.ft. storage required. <br />183 / 0.33 (33% void ratio for trench drain) a 556 CF for gravel trench drain <br />Gravel trench drain provided a 94W a 3' width E 2' depth a 566 CF <br />ANALYSIS RESULTS <br />Bream Protection Duration <br />Fradsveloped Landuse Totals for FOC N1 <br />Total Pervious Area:0.085 <br />Total Impervious Area:O <br />