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SEDCAD 4 for Windows <br />r•..,mm..er i°°a oo...d~ i c~~,,..on <br />• Structure #1 (Pond) <br />Pond 12 <br />Pond Inputs: <br />Structure Detai/.- <br />Initial Pool Elev: 7,251.00 <br />Initial Pool: 4.39 ac-ft <br />*Sediment Storage: 8.67 ac-ft <br />Dead Space: 20.00 <br />*Sediment capacity based on Average Annual R of Io.O for 2 year(s) <br />Perforated Riser <br />Riser Riser Height Barrel garret Barrel Slope Number of <br />' <br />Diameter <br />(ft) Diameter ° <br />Length (ft) (/°) s n Spillway Elev Holes per <br />Manning <br />(in) (in) Elev <br />30.00 5.00 24.00 102.00 5.00 0.0240 7,253.00 3 <br />Emeraenc~Spillway <br />LJ <br />Pond Results: <br />Spillway Elev Crest length Left Right Bottom <br />(ft) Sideslope Sideslope Witlth (ft) <br />7,257.00 50.00 3.00:1 3.00:1 15.00 <br />Peak Elevation: 7,257.49 <br />H'graph Detention Time: 3.29 hrs <br />Pond Model: CSTRS <br />Dewater Time: 2.26 days <br />Trap Efficiency: 59.69 <br />Dewatering time is calculated from peak stage to lowest spillway <br />Elevation-Capacit~Discharge Table <br /> <br /> <br />Elevation Area <br /> <br />(ac) Capacity <br /> <br />(ac-ft) Discharge Dewater <br />Time <br />(~) (hrs) <br />7,246.61 0.880 0.000 0.000 Top of Sed. Storage <br />7,247.00 0.901 0.350 0.000 <br />7,247.50 0.927 0.807 0.000 <br />7,248.00 0.953 1.277 0.000 <br />7,248.50 0.980 1.760 0.000 <br />7,299.00 1.007 2.257 0.000 I <br />Filename: Pond 12_25year.sc4 Printetl 05-OS-2005 <br />