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SEDCAD 4 for Windows <br />(—Mn hf 1 OOA -I)nn7 0 -1. 1 Crh—.K <br />47 <br />Culvert 5G12 <br />Structure #47 (Null) <br />PM -1 <br />Structure #59 (Pond) <br />Pond 002 <br />Pond Inputs: <br />Initial Pool Elev: <br />6,614.80 ft <br />Initial Pool: <br />23.27 ac -ft <br />*Sediment Storage: <br />159.05 ac -ft <br />Dead Space: <br />0.00% <br />*Sediment capacity based on A verage Annual R of 10.0 for 125 year(s) <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />6,614.50 10.00 1.00:1 2.00:1 7.00 <br />Pond Results: <br />Peak Elevation: <br />6,615.20 ft <br />H'graph Detention Time: <br />2.08 hrs <br />Pond Model: <br />CSTRS <br />Dewater Time: <br />0.58 days <br />Trap Efficiency: <br />96.09% <br />Dewatenng time is calculated from peak stage to lowest spillway <br />Elevation- Capa City- Discharge Table <br />Elevation <br />Area <br />(ac) <br />Capacity <br />(ac -ft) <br />Discharge <br />(cfs) <br />Dewater <br />Time <br />(hrs) <br />6,612.11 <br />8.424 <br />0.000 <br />0.000 <br />Top of Sed. Storage <br />6,614.00 <br />8.680 <br />16.198 <br />0.000 <br />6,614.50 <br />8.880 <br />20.587 <br />0.000 <br />Spillway #1 <br />6,614.80 <br />9.000 <br />23.268 <br />8.628 <br />3.76* <br />6,615.20 <br />9.158 <br />26.922 <br />20.010 <br />10.05 <br />Peak Stage <br />6,616.00 <br />9.480 <br />34.356 <br />43.168 <br />6,618.00 <br />10.100 <br />53.933 <br />204.590 <br />*Designates time(s) to de water have been extrapolated beyond the 50 hour hydrograph limit. <br />Filename: Pond 002_Operation_1209.sc4 Printed 12 -23 -2009 <br />2.05.3 -E2 -A -1.47 12/09 <br />