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SEDCAD 4 for Windows <br /> 9 <br /> Emergency Spillway <br /> Spillway Elev Crest Length Left Right Bottom <br /> (ft) Sideslope Sideslope Width(ft) <br /> 15.60 22.00 3.00:1 3.00:1 15.00 <br /> Pond Results: <br /> Peak Elevation: 15.64 ft <br /> H'graph Detention Time: 1.19 hrs <br /> ------- ----- --- <br /> Pond Model: CSTRS <br /> Dewater Time: 0.80 days <br /> Trap Efficiency: 73.04% <br /> Dewatering time is calculated from peak stage to lowest spillway <br /> Elevation-Capacity-Discharge Table <br /> Area Capacity Discharge Denwater <br /> Elevation <br /> (3) (ac-ft) (cfs) (hrs) <br /> 11.19 0.887 0.000 0.000 Top of Sed.Storage <br /> 11.50 0.900 0.278 0.000 <br /> 12.00 0.920 0.733 0.000 <br /> 12.50 0.950 1.201 0.000 <br /> 13.00 0.980 1.683 0.000 <br /> 13.50 1.025 2.184 0.000 <br /> 14.00 1.070 2.708 0.000 <br /> 14.50 1.130 3.258 0.000 Spillway#1 <br /> 15.00 1.200 3.840 10.330 11.60 <br /> 15.50 1.269 4.457 29.217 6.50 <br /> 1S.60 1.283 4.585 33.707 0.60 Spillway#2 <br /> 15.64 1.289 4.634 35.704 0.45 Peak Stage <br /> 16.00 1.340 5.110 55.247 <br /> 16.50 1.409 5.797 78.648 - <br /> 17.00 1.480 6.519 124.224 <br /> Detailed Discharge Table <br /> Filename:No Name 25-year event.sc4 Printed 04-01-2020 <br />