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SEDCAD 4 for Windows <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />• (ft) Sideslope Sideslope Width (ft) <br />5.00 10.00 30.00:1 3.00:1 10.00 <br />• <br />is <br />Pond Results: <br />Peak Elevation: <br />4.78 ft <br />H'graph Detention Time: <br />2.17 hrs <br />Pond Model: <br />CSTRS <br />Dewater Time: <br />0.82 days <br />Trap Efficiency: <br />75.95 <br />Dewatering time is calculated from peak stage to lowest spillway <br />Elevation - Capacity - Discharge Table <br />Elevation <br />Area <br />(ac)., .: <br />Capacity <br />(ac -ft) <br />Discharge : Dewater <br />Time <br />(cfs) (hrs) <br />0.01 <br />0.016 <br />0.000 <br />0.000 Top of Sed. Storage <br />0.01 <br />0.016 <br />0.000 <br />0.000 <br />0.05 <br />0.017 <br />0.001 <br />0.000 <br />0.10 <br />0.017 <br />0.002 <br />0.000 <br />0.15 <br />0.018 <br />0.002 <br />0.000 <br />0.20 <br />0.018 <br />0.003 <br />0.000 <br />0.25 <br />0.019 <br />0.004 <br />0.000 <br />0.30 <br />0.019 <br />0.005 <br />0.000 <br />0.35 <br />0.020 <br />0.006 <br />0.000 <br />0.40 <br />0.021 <br />0.007 <br />0.000 <br />0.45 <br />0.021 <br />0.008 <br />0.000 <br />0.50 <br />0.022 <br />0.009 <br />0.000 <br />0.55 <br />0.022 <br />0.010 <br />0.000 <br />0.60 <br />0.023 <br />0.012 <br />0.000 <br />0.65 <br />0.024 <br />0.013 <br />0.000 <br />0.70 <br />0.024 <br />0.014 <br />0.000 <br />0.75 <br />0.025 <br />0.015 <br />0.000 <br />0.80 <br />0.026 <br />0.016 <br />0.000 <br />0.85 <br />0.026 <br />0.018 <br />0.000 <br />0.90 <br />0.027 <br />0.019 <br />0.000 <br />0.95 <br />0.028 <br />0.020 <br />0.000 <br />1.00 <br />0.028 <br />0.022 <br />0.000 <br />1.05 <br />0.029 <br />0.023 <br />0.000 <br />1.10 <br />0.030 <br />0.025 <br />0.000 <br />1.15 <br />0.031 <br />0.026 <br />0.000 <br />19 <br />Filename: Dewatering model - 10yr concrete outlet 5- 11.sc4 Printed 05 -19 -2011 <br />