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SEDCAD 4 for Windows <br />CopYh9ht 7998 Pamela J. Srhwab <br />Ciwl Sofhvare Design <br />Max. Tailwater Entrance <br />Length (ft) Slope (%) Manning's n Headwater Loss Coef. <br />(ft) (ft) (Ke) <br />282.00 10.30 0.0240 7.50 2.00 0.90 <br />Culvert Results: <br />Design Discharge = 91.11 cfs <br />Minimum pipe diameter: 1 - 42 inch pipe(s) required <br />Structure #10 (Pond <br />Sediment Pond PI <br />Pond Inputs: <br />Initial Pool Elev: 6,811.50 <br />Initial Pool: 0.03 ac-ft <br />'Sediment Storage: 0.00 ac-ft <br />Dead Space: 20.00 <br />*No sediment capacity defined <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />6,821.00 25.00 2.00:1 2.00:1 10.00 <br />Perforated Riser <br />Riser Riser Height Barrel Barrel Barrel Slope <br />' Number of <br />Diameter (ft) Diameter Length (ft) (%) s n Spillway Elev <br />Manning Holes per <br />(in) (in) Elev <br />12.00 11.00 12.00 200.00 2.00 0.0240 6,821.00 4 <br />Pond Results: <br />Peak Elevation: 6,822.94 <br />H'graph Detention Time: 2.19 hrs <br />Pond Model: CS7R5 <br />Dewater Time: 3.14 days <br />Trap Efficiency: 38.74 <br />Dewatering time is calculated from peak stage to lowest spillway <br />Elevation-Capacity-Discharge Table <br />Filename: 1646A P2-10-24.scA <br />14 <br />Printed 01-19-2001 <br />