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SEDCAD 4 for Windows <br />rnn.irinh} 1°°A _9M7 Pomcln I Crhwoh <br />59 <br />• <br />Left Right <br />Bottom <br />Freeboard Freeboard Freeboard <br />Sideslope Sideslope Slope ( %) <br />Width (ft) <br />Mult. x <br />Depth (ft) % of Depth <br />Ratio Ratio <br />(VxD) <br />2.00 2.0:1 2.0:1 5.0 <br />0.30 <br />Riprap Channel Results: <br />PADER Method - Steep Slope Design <br />is Structure #56 (Pond <br />SG -1 <br />Pond Inputs: <br />Initial Pool Elev: <br />w/o Freeboard w/ Freeboard <br />Design Discharge: <br />21.68 cfs <br />Depth: <br />0.92 ft 1.22 ft <br />Top Width: <br />5.70 ft 6.90 ft <br />Velocity: <br />6.10 fps <br />X- Section Area: <br />3.56 sq ft <br />Hydraulic Radius: <br />0.580 ft <br />Froude Number: <br />1.36 <br />Manning's n: <br />0.0380 <br />Dmin: <br />2.00 in <br />D50: <br />3.00 in <br />Dmax: <br />4.50 in <br />is Structure #56 (Pond <br />SG -1 <br />Pond Inputs: <br />Initial Pool Elev: <br />6,768.00 ft <br />Initial Pool: <br />0.41 ac -ft <br />*Sediment Storage: <br />0.03 ac -ft <br />Dead Space: <br />0.00% <br />*Sediment capacity based on A verage Annual R of 20.0 for 3 year(s) <br />Perforated Riser <br />Riser <br />Riser Height <br />Barrel <br />Barrel Barrel Slope <br />Number of <br />Spillway Elev <br />Diameter (ft) <br />Diameter Length (ft) ( %) <br />Manning Holes per <br />(in) <br />(in) <br />Elev <br />6.00 9.00 <br />6.00 180.00 2.00 <br />0.0160 6,774.00 4 <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />6,774.00 20.00 2.50:1 2.50:1 10.00 <br />Filename: Sylvester Gulch_09292010.sc4 <br />Printed 10 -06 -2010 <br />