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SEDCAD 4 for Windows <br />Structure Detai/: <br />Structure #1 (Pond) <br />Rail Loop Pond <br />Pond Inputs: <br />Initial Pool Elev: 6,383.56 <br />Initial Pool: 1.91 ac-ft <br />*Sediment Storage: 0.07 ac-ft <br />Dead Space: 20.00 <br />*Sediment capacity based on Average Annual R of 10.0 for 10 year(s) <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />6,383.56 18.00 2.00:1 2.00:1 18.00 <br />Pond Results: <br />Peak Elevation: 6,383.71 <br />H'graph Detention Time: 0.26 hrs <br />Pand Model: CSTRS <br />Dewater Time: 0.54 days <br />Trap Efficiency: 93.95 <br />Dewatering time is calculated from peak stage to lowest spillway <br />Elevation-Capacity-Discharge Table <br /> <br />Elevation Area <br /> <br />(ac) Capacity <br /> <br />(ec-ft) Discharge <br /> <br />(~s) Dewater <br />Time <br />(hrs) <br />6,379.46 0.233 0.000 0.000 Top of Sed. Storage <br />6,379.56 0.276 0.025 0.000 <br />6,379.69 0.316 0.063 0.000 <br />6,380.19 0.372 0.235 0.000 <br />6,380.44 0.402 0.332 0.000 <br />6,380.69 0.431 0.436 0.000 <br />6,381.19 0.461 0.659 0.000 <br />6,381.31 0.466 0.715 0.000 <br />6,381.69 0.491 0.897 0.000 <br />6,382.18 0.518 1.145 0.000 <br />6,382.19 0.519 1.150 0.000 <br />6,382.69 0.545 1.416 0.000 <br />Filename: Rail Pond t0y24hr.sc4 <br />Printed 04-11-2005 <br />C~ <br /> <br />• <br />Iz - Ili. ao <br />