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SEDCAD 4 for Windows <br />• <br />Structure #1 (Pond) <br />Pond i2 <br />Pond Inputs: <br />Structure Detai/; <br />Initial Pool Elev: 7,252.00 <br />Initial Pool: 0.11 ac-ft <br />*Sediment Storage: 13.98 ac-ft <br />Dead Space: 20.00 <br />*Sediment capacity based' on Average Annual R of 30.0 far 1 year(s) <br />Perforated Riser <br />Riser Riser Height ~?el Barrel Barrel Slope Number of <br />' <br />Diameter (ft) Diameter 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 7,254.50 3 <br />Emergency Spillway <br />• Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />7,257.00 50.00 3.00:1 3.00:1 15.00 <br />Pond Results: <br />Peak Elevation: 7,256.55 <br />H'graph Detention Time: 4.64 hrs <br />Pond Model: CSTRS <br />Dewater Time: 2.60 days <br />Trap Efficiency: 62.43 <br />Dewatering time is calcu/ated from peak stage to lowest spil/way <br />Elevation-Capacity!-Discharge Table <br />r~ <br />L _J <br />6 <br /> Area Capacity Discharge Dewater <br />Elevation Time <br /> (ac) (ac-ft) (~) (hrs) <br />7,251.90 1.168 0.000 0.000 Top of Sed. Storage <br />7,252.00 1.174 0.114 0.000 Low hole SPW #1 <br />7,252.50 1.207 0.709 0.501 14.37* <br />7,253.00 1.241 1.321 0.709 10.44* <br />7,253.50 1.275 1.950 0.868 6.76* <br />Filename: Pond12-10yrRev06-02-R2.sc4 Printed 06-11-2002 <br />