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SEDCAD 4 for Windows <br />10 <br />Structure #3 (Null <br />Structure #2 (Pond) <br />Section 26 Pond <br />Pond Inputs: <br />w/o Freeboard w/ Freeboard <br />Dmin: 3.00 in <br />D50: 9.00 in <br />Dmax: 11.25 in <br />Velocity and Manning's n calculations may not apply for this method. <br />Initial Pool Elev: 6,991.00 ft <br />Initial Pool: 1.49 ac -ft <br />Emergency Spillwax <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />6,995.00 20.00 2.50:1 2.50:1 20.00 <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) (oda) <br />Manning's n (ft) Holes per <br />(in) <br />(in) <br />Elev <br />18.00 13.00 <br />18.00 235.00 10.50 <br />0.0240 6,993.00 2 <br />Pond Results: <br />Peak Elevation: 6,995.19 ft <br />Dewater Time: 1.54 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 />6,978.00 <br />0.015 <br />0.000 <br />0.000 <br />6,979.00 <br />0.023 <br />0.019 <br />0.000 <br />6,980.00 <br />0.033 <br />0.047 <br />0.000 <br />6,981.00 <br />0.045 <br />0.086 <br />0.000 <br />6,982.00 <br />0.059 <br />0.138 <br />0.000 <br />6,983.00 <br />0.075 <br />0.204 <br />0.000 <br />Filename: PR04 West Side Ponds 10024 NSrev1.sc4 Printed 07-30-2015 <br />Exh. 7-23C-42 Revision Date: 07/31/2015 <br />Revision No.: PR -04 <br />