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SEDCAD 4 for Windows <br />Cnnurinh4 icon _9r)n7 D -I. r iQ,H .... h <br />43 <br />• <br />Barrel Barrel <br />6,655.26 ft <br />Entrance Tailwater <br />Barrel <br />Manning's Spillway <br />CSTRS <br />Diameter Length <br />1.54 days <br />Loss Depth <br />Slope ( %) <br />n Elev (ft) <br />Top of Sed. Storage <br />(in) (ft) <br />I <br />Coefficient (ft) <br />18.00 50.00 2.50 1 0.0240 6,653.00 <br />I 0.90 0.00 <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />6,655.00 20.00 3.00:1 3.00:1 10.00 <br />Pond Results: <br />Peak Elevation: <br />6,655.26 ft <br />H'graph Detention Time: <br />1.33 hrs <br />Pond Model: <br />CSTRS <br />Dewater Time: <br />1.54 days <br />Trap Efficiency: <br />89.13 <br />De watering time is calculated from peak stage to lowest soil /way <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 />0.000 <br />6,651.39 <br />0.402 <br />0.000 <br />0.000 <br />0.000 <br />Top of Sed. Storage <br />6,653.00 <br />0.465 <br />0.696 <br />0.000 <br />6,655.00 <br />Spillway #1 <br />6,653.20 <br />0.473 <br />0.790 <br />0.316 <br />22.05 <br />115.158 <br />6,655.00 <br />0.550 <br />1.709 <br />8.425 <br />14.25 <br />Spillway #2 <br />6,655.26 <br />0.596 <br />1.869 <br />22.085 <br />0.60 <br />Peak Stage <br />6,657.00 <br />0.700 <br />2.956 <br />115.158 <br />Emergency Spillway <br />Detailed Discharge Table <br />Elevation <br />(ft) <br />Straight Pipe <br />(cfs) <br />Emergency <br />Spillway (cfs) <br />Combined <br />Total <br />Discharge <br />(cfs) <br />6,651.39 <br />0.000 <br />0.000 <br />0.000 <br />6,653.00 <br />0.000 <br />0.000 <br />0.000 <br />6,65 3.20 <br />(3) >0.316 <br />0.000 <br />0.316 <br />6,655.00 <br />(5) >8.425 <br />0.000 <br />8.425 <br />6,657.00 <br />(6) >12.632 <br />102.525 <br />115.158 <br />Filename: Pond 002_Operation_25yr24hr 1209.sc4 <br />2.05.3 -E2.A -2.43 <br />Printed 12 -23 -2009 <br />12/09 <br />