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SEDCAD 4 for Windows <br />Pond Inputs: <br />Initial Pool Elev: 6,982.00 ft <br />Initial Pool: 1.57 ac -ft <br />*Sediment Storage: 0.00 ac -ft <br />Dead Space: 0.00% <br />*No sediment capacity defined <br />Emergency Spillwax <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />6,986.00 20.00 2.50:1 2.50:1 20.00 <br />Perforated Riser <br />Riser Barrel Number of <br />Riser Height Barrel Barrel Slope ' Spillway Elev <br />Diameter (ft) Diameter Length ( ft) ( %) Manning's n Holes per <br />(in) (in) (ft) Elev <br />18.00 14.00 18.00 200.00 4.00 0.0240 6,982.00 2 <br />Pond Results: <br />Peak Elevation: 6,982.95 ft <br />H'graph Detention Time: <br />0.33 hrs <br />Pond Model: <br />CSTRS <br />Dewater Time: <br />1.60 days <br />Trap Efficiency: <br />72.67 <br />Dewatering time is calculated from peak stage to lowest spillway <br />Elevation -Capacity -Discharge Table <br />Elevation <br />Area <br />(ac) <br />Capacity <br />(ac -ft) <br />Discharge Dewater <br />Time <br />(cfs) (hrs) <br />6,968.00 <br />0.000 <br />0.000 <br />0.000 Top of Sed. Storage <br />6,969.00 <br />0.001 <br />0.000 <br />0.000 <br />6,970.00 <br />0.021 <br />0.009 <br />0.000 <br />6,971.00 <br />0.030 <br />0.035 <br />0.000 <br />6,972.00 <br />0.045 <br />0.072 <br />0.000 <br />6,973.00 <br />0.060 <br />0.124 <br />0.000 <br />6,974.00 <br />0.078 <br />0.193 <br />0.000 <br />6,975.00 <br />0.097 <br />0.280 <br />0.000 <br />6,976.00 <br />0.118 <br />0.388 <br />0.000 <br />6,977.00 <br />0.141 <br />0.517 <br />0.000 <br />6,978.00 <br />0.167 <br />0.671 <br />0.000 <br />6,979.00 <br />0.195 <br />0.852 <br />0.000 <br />Filename: West Side Temp Spoil Pile Model 10yr24hr.sc4 Printed 01-17-2018 <br />Page Exh. 7-23C-25 Revision Date 1/19/18 <br />Revision No.: TR -118 <br />