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SEDCAD 4 for Windows <br />Copyright 1998 Pamela J. Schwab <br />Civil Sofhvare Design <br />• <br />Structure #1 (Pond) <br />Pond 14 <br />Pond Inputs: <br />6 <br />Structure Detai/: <br />Initial Pool Elev: 7,386.OD <br />Initial Pool: 4.47 ac-ft <br />*Sediment Storage: 6.08 at-ft <br />Dead Space: 20.00 % <br />*Sediment capacity based on Average Annual R of 30.0 far 1 year('sJ <br />Drop Inlet <br />Riser Riser Height Barrel Barrel Barrel Slope <br />' Spillway <br />Diameter (ft) Diameter Length (R) (gr,) Manning <br />s n Elev <br />(in) (In) <br />30.00 5.00 24.00 120.00 10.00 0.0240 7,365.00 <br />Emeroency Spillway <br />• Spillway Crest Length Left Right Bottom <br />Elev (ft) Sideslope Sideslope Width (ft) <br />7,387.50 30.00 3.00:1 3.00:1 20.00 <br />Pond Results: <br />Peak Elevation: 7,387.00 <br />H'graph Detention Time: 0.53 hrs <br />Pond Model: CSTRS <br />Dewater Time: 0.61 days <br />Trap Efficiency: 67.46 % <br />Dewatering time is calculated from peak stage to lowest spillway <br />Elevation-Capacity-Discharge Table <br />• <br /> Area Capacity Discharge Dewater <br />Elevation Time <br /> (ac) (ac-ft) (ds) (hrs) <br />7,379.11 0.634 0.000 0.000 Top of Sed. Storage <br />7,380.00 0.670 0.579 0.000 <br />7,381.00 0.712 1.269 0.000 <br />7,382.00 0.754 2.002 0.000 <br />7,383.00 0.798 2.778 0.000 <br />Filename: Pondl4asbuiltl0yr.sc4 Printed 10-17-2001 <br />