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SEDCAD 4 for Windows <br />f nn.rrinhf 1°°R Domch I Cnh~uah <br />12 <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />7,345.50 25.00 3.00:1 3.00:1 20.00 <br />Drop Inlet <br />Riser Riser Height <br />Diameter Barrel Barrel Barrel Slope <br />Diameter , <br />Manning s n Spillway Elev <br />(ft) Length (ft) (%) <br />(in) (in) <br />24.00 4.50 24.00 155.00 2.70 0.0240 7,344.50 <br />Pond Results: <br />Peak Elevation: 7,344.91 <br />H'graph Detention Time: 1.04 hrs <br />Pond Model: CSTRS <br />Dewater Time: 0.73 days <br />Trap Efficiency: 79.74 <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 />(ac-ft) Discharge <br /> <br />(~s) Dewater <br />Time <br />(hrs) <br />7,343.01 1.085 0.000 0.000 Top ofSed.Storage <br />7,343.50 1.112 0.541 0.000 <br />7,344.00 1.140 1.104 0.000 <br />7,344.50 1.172 1.682 0.000 Spillway #2 <br />7,344.91 - 1.199 2.173 5.697 17.40 Peak Stage <br />7,345.00 1.204 2.275 6.886 <br />7,345.50 1.237 2.886 15.127 Spillway #1 <br />7,346.00 1.270 3.512 19.805 <br />7,346.50 1.299 4.155 68.705 <br />7,347.00 1.329 4.812 125.678 <br />7,347.50 1.359 5.484 196.430 <br />7,348.00 1.390 6.171 285.053 <br />Detailed Discharge Table <br />• <br />• <br />• <br />Filename: Pond12A TR36 ver1.sc4 <br />Printed 07-24-2007 <br />'t'I:- ~ 6 l 3-12.1-56 Revised 08/07 <br />