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SEDCAD 4 for Windows <br />Me.,.inM 1°°p Pamda 1 SrM1ura6 <br />• <br />Structure Detai/; <br />Structure #Z (Null) <br />Structure #1 (Nut/1 <br />Structure #3 (Null1 <br />Structure #4 (Pond) <br />Pond Inputs: <br />Initial Pool Elev: 6,615.50 <br />Initial Pool: 3.72 ac-ft <br />*Sediment Storage: 0.01 ac-R <br />Dead Space: 20.00 <br />*Sediment capacity based on Average Annual R of 29. o for 3 year(s) <br />Perforated Riser <br />Riser Riser Height Barrel garret Barrel Slope Number of <br />' <br />Diameter (ft) Diameter Length (ft) (%) Mannin9 <br />s n Spillway Elev Holes per <br />(in) (in) Elev <br />12.00 3.50 12.00 87.00 6.80 0.0250 6,617.50 2 <br /> <br />Pond Results: <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(R) Sideslope Sideslope Width (ft) <br />6,619.20 30.00 1.50:1 1.50:1 15.00 <br />Peak Elevation: 6,616.17 <br />H'graph Detention Time: 9.78 hrs <br />Pond Model: CSTRS <br />Dewater Time: 0.71 days <br />Trap Efficiency: 98.45 <br />Dewatering time is calculated from peak stage to lowest spillway <br />Elevation-Capacity-Discharge Table <br />• <br />Filename: GulchA-10yr.SC4 Printed OS-11-2002 <br />