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SEDCAD 4 for Windows <br /> ('nrn,rnnht 1 QQR_9n1 f1 Pamela I Crhwah <br /> 8 <br /> Stability Stability Capacity Capacity <br /> Class D w/o Class D w/ 1 Class B w/o Class B w/ <br /> Freeboard Freeboard I Freeboard Freeboard <br /> Design Discharge: 37.55 cfs 37.55 cfs <br /> Depth: 0.44 ft 0.74 ft <br /> Top Width: 21.76 ft 22.94 ft <br /> Velocity: 4.09 fps 2.38 fps <br /> X-Section Area: 9.19 sq ft 15.80 sq ft <br /> Hydraulic Radius: 0.418 ft 0.678 ft <br /> Froude Number: 1.11 0.50 <br /> Roughness Coefficient: 0.0495 0.1176 <br /> Structure #7(Null) <br /> Structure #6(Pond) <br /> Sidehill Pond <br /> Pond Inputs: <br /> Initial Pool Elev: 7,167.00 ft <br /> Initial Pool: 4.02 ac-ft <br /> *Sediment Storage: 0.00 ac-ft <br /> Dead Space: 0.00 <br /> *No sediment capacity defined <br /> Emergency Spillway <br /> Spillway Elev Crest Length Left Right Bottom <br /> (ft) Sideslope Sideslope Width (ft) <br /> 7,172.00 40.00 2.00:1 2.00:1 12.00 <br /> Perforated Riser <br /> Riser Barrel Number of <br /> Diameter Riser Height Diameter Barrel Barrel Slope Mannings n Spillway Elev Holes per <br /> (in) (ft) (in) Length(ft) (/o) (ft) Elev <br /> 18.00 13.00 18.00 125.00 4.001 0.0240 7,170.00 2 <br /> Pond Results: <br /> Peak Elevation: 7,170.06 ft <br /> H'gra h Detention Time: 13.69 hrs <br /> Pond Model: CSTRS <br /> Dewater Time: 1.83 days <br /> Trap Efficiency: 95.02 /o <br /> Dewatering time is calculated from peak stage to lowest spillway <br /> Filename:West Side Temp Spoil Pile 10 Yr 24 Hr.sc4 Printed 12-31-2019 <br />