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SEDCAD 4 for Windows <br />16 <br />Initial Pool: 1.76 ac -ft <br />Emergency Spillwax <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />7,475.80 30.00 2.00:1 2.00:1 30.00 <br />Perforated Riser <br />Riser <br />Riser Height <br />Barrel <br />Barrel Barrel Slope <br />Number of <br />Spillway Elev <br />Diameter (ft) <br />Diameter Length (ft) (%u) <br />Mannings n (ft) Holes per <br />(in) <br />(in) <br />Elev <br />18.00 10.50 <br />18.00 150.00 2.00 <br />0.0150 7,471.00 2 <br />Pond Results: <br />Peak Elevation: 7,476.15 ft <br />Dewater Time: 1.66 days <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 />7,455.00 <br />0.020 <br />0.000 <br />0.000 <br />7,455.50 <br />0.025 <br />0.011 <br />0.000 <br />7,456.00 <br />0.030 <br />0.025 <br />0.000 <br />7,456.50 <br />0.036 <br />0.041 <br />0.000 <br />7,457.00 <br />0.043 <br />0.061 <br />0.000 <br />7,457.50 <br />0.050 <br />0.084 <br />0.000 <br />7,458.00 <br />0.057 <br />0.111 <br />0.000 <br />7,458.50 <br />0.065 <br />0.142 <br />0.000 <br />7,459.00 <br />0.074 <br />0.176 <br />0.000 <br />7,459.50 <br />0.083 <br />0.216 <br />0.000 <br />7,460.00 <br />0.093 <br />0.260 <br />0.000 <br />7,460.50 <br />0.102 <br />0.308 <br />0.000 <br />7,461.00 <br />0.112 <br />0.362 <br />0.000 <br />7,461.50 <br />0.122 <br />0.421 <br />0.000 <br />7,462.00 <br />0.133 <br />0.484 <br />0.000 <br />7,462.50 <br />0.144 <br />0.554 <br />0.000 <br />7,463.00 <br />0.156 <br />0.629 <br />0.000 <br />7,463.50 <br />0.168 <br />0.710 <br />0.000 <br />7,464.00 <br />0.180 <br />0.797 <br />0.000 <br />7,464.50 <br />0.193 <br />0.890 <br />0.000 <br />Filename: TR -105r WTayPond PMT 25 24NS sc4 Printed 06-18-2015 <br />Exh. 7-20C-76 Revision Date: 06/18/2015 <br />Revision No.: TR -105 <br />