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SEDCAD 4 for Windows <br /> 7 <br /> Structure Detail: <br /> Structure #1 (Ponds <br /> No-Name #Z <br /> Pond Inputs: <br /> Initial Pool Elev: 6.50 ft <br /> Initial Pool: 0.26 ac-ft <br /> *Sediment Storage: 5.08 ac-ft <br /> Dead Space: 20.00 <br /> *Sediment capacity was entered by user <br /> Drop Inlet <br /> Riser Riser Height Barrel Barrel Barrel Slope Spillway Elev <br /> Diameter (ft) Diameter Length(ft) (%) Manning's n (ft) <br /> (in) (in) <br /> 36.00 8.50 24.00 80.00 1.00 0.0150 8.50 <br /> Emergence Saillway <br /> Spillway Elev Crest Length Left Right Bottom <br /> (ft) Sideslope Sideslope Width(ft) <br /> 10.00 20.00 3.00:1 3.00:1 15.00 <br /> Pond Results: <br /> Peak Elevation: 9.53 ft <br /> H'graph Detention Time: 1.54 hrs <br /> Pond Model: _— CSTRS <br /> Dewater Time: 0.76 days <br /> Trap Efficiency: SS.91% <br /> Dewatering time is calculated from peak stage to lowest spillway <br /> Elevation-Capacity-Discharge Table <br /> Area Capacity Discharge Dewater <br /> Elevation Time <br /> (ac) (ac-ft) (cfs) (hrs) <br /> 6.29 1.262 0.000 0.000 Top of Sed.Storage <br /> 6.50 1.284 0.264 0.000 <br /> 7.00 1.340 -- 0.920 0.000 - <br /> 7.50 1.394 1.604 0.000 <br /> 8.00 1.450 2.315 0.000 <br /> Filename:No Name 25-year event.so4 Printed 04-01-2020 <br />