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SEDCAD 4 for Windows <br />(`-,6r ht 10°R _9nn7 P-1. I Crhui?h <br />1? <br />Structure #5 (Null <br />SIIPM-14 <br />Structure #7 (Null <br />SIIPM-I2 Lower <br />Structure #9 (Pond <br />Pond 004 <br />Pond Inputs: <br />Initial Pool Elev: 6,948.52 ft <br />L Initial Pool: 4.29 ac-ft <br />*Sediment Storage: 4.03 ac-ft <br />Dead Space: 20.00 % <br />*Sediment capacity based on Average Annual R of 10.0 for 650 year(s) <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />6,950.15 40.00 4.00:1 4.00:1 12.00 <br />• <br />Straight Pipe <br />Barrel Barrel Entrance Tailwater <br />Barrel <br />Diameter Length Manning's Spillway <br /> <br />Slope (%) <br />n Elev (ft) Loss Depth <br />(in) (ft) Coefficient (ft) <br />8.00 55.00 1.00 0.0190 6,948.17 0.90 0.00 <br />Pond Results: <br />Peak Elevation: 6,948.97 ft <br />Kgraph Detention Time: 9.04 hrs <br />Pond Model: CSTRS <br />Dewater Time: <br />Trap Efficiency: 1.74 days <br />93.90 <br />Dewatering time is calculated from peak stage to lowest spillway <br />Elevation-Capacity-Discharge Table <br />0 <br />Filename: Pond 004 TR51_10yr24hr_0909.sc4 <br />Printed 09-03-2009 <br />TR-51 7-6c. I A-12 Revised 09/09