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• <br />SEDCAD 4 for Windows <br />r—'—M 1 ooa _,)n+n D -1d I Crh�u�h <br />Structure Detail; <br />Structure #1 (Null <br />9.3 AC (87 CN) Running to 62.7 AC (47 CN) <br />Structure #3 (Pond <br />Pond Inputs: <br />Pond Results: <br />Initial Pool Elev: 7,249.00 ft <br />Initial Pool: <br />0.35 ac -ft <br />*Sediment Storage: <br />0.85 ac -ft <br />Dead Space: <br />0.00% <br />*Sediment capacity was entered by user <br />Emergency Spillwax <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />7,249.00 30.00 2.00:1 2.00:1 5.00 <br />Peak Elevation: <br />7,249.38 ft <br />H'graph Detention Time: <br />0.33 hrs <br />Pond Model: <br />CSTRS <br />Dewater Time: <br />0.54 days <br />Trap Efficiency: <br />77.43% <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 <br />(cfs) <br />Dewater <br />Time <br />(hrs) <br />7,247.88 <br />0.294 <br />0.000 <br />0.000 <br />Top of Sed. Storage <br />7,248.00 <br />0.300 <br />0.036 <br />0.000 <br />7,248.50 <br />0.312 <br />0.189 <br />0.000 <br />7,249.00 <br />0.325 <br />0.349 <br />0.000 <br />Spillway #1 <br />7,249.38 <br />0.356 <br />0.479 <br />4.812 <br />13.05 <br />Peak Stage <br />7,249.50 <br />0.362 <br />0.520 <br />6.318 <br />7,250.00 <br />0.400 <br />0.710 <br />12.635 <br />7,250.50 <br />0.449 <br />0.922 <br />29.878 <br />-- <br />7,251.00 <br />0.500 <br />1.159 <br />51.567 <br />Filename: JeffwayPond2_25yr24hr.sc4 <br />Printed 08-15-2017 <br />