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SEDCAD 4 for Windows <br />r.-winhf 7QQN .'X1!17 oam i. i Q,N.mh <br />12 <br />Emergency Spillway <br />spillway Etev Lest Length Leif Right Bottom <br />(ft) Side Slope SisleslUpe Width (ft) <br />7,345.70 15.00 3.00:1 3.00:1 20.00 <br />Drop Iniet <br />Riser Riser Height <br />Diameter Barrel Barre( Barrel Slope <br />Diarr?eber <br />% <br />t Spillway Elev. <br />Manning s n (ft) <br />(ft) ) <br />h (ft) ! ( <br />leng <br />24.00 4.50 24.00 155.00 2.70 0.0240 7,344.60 <br />Pond Results: <br />Peak Elevation: 7,344.94 ft <br />H'graph Detention Time: 0.92 hrs <br />Pond Model: cSTRS <br />Dewater Time: 0.68 days <br />Trap Efficiency: 81.48% <br />Dewatering time is calculated from peak stage to lowest spillway <br />• <br />• <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 />7,343.57 0.856 0.000 0.000 Top of Sed. Storage <br />7,344.00 0.880 0.375 0.000 <br />7,344.50 0.913 0.823 0.000 <br />7,344.60 0.920 0.915 0.000 Spillway #2 <br />7,344.94 0.941 1.233 4.194 16.40 Peak Stage <br />7,345.00 0.945 1.288 4.926 <br />7,345.50 0.977 1.769 14.350 <br />7,345.70 0.990 1.965 15.866 Spillway #1 <br />7,346.00 1.010 2.265 31.142 <br />7,346.50 1.042 2.778 56.182 <br />7,347.00 1.074 3.307 108.525 <br />7,347.50 1.107 3.852 178.782 <br />7,348.00 1.140 4.414 265.676 <br />7,348.50 1.181 4.994 369.118 <br />7,349.00 1.223 5.595 488.449 <br />7,349.20 1.240 5.842 541.054 <br />7,349.50 1.279 6.219 625.263 <br />7,350.00 1.344 6.875 779.990 <br />Filename: Pond 012A As-Built TR37 10Yr 24Hr_090112.so4 <br />Printed 01-30-2009