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• <br />0 <br />SEDCAD 4 for Windows <br />r.- inh} 1QQR -7n1f1 P -1a I Rrh�uoh <br />w/o Freeboard w/ Freeboard <br />D50: 12.00 in <br />Dmax: 15.00 in <br />Velocity and Manning's n calculations may not apply for this method. <br />Structure #13 (Pond) <br />sump between middl and lower <br />Pond Inputs: <br />Initial Pool Elev: 100.00 ft <br />Initial Pool: 2.01 ac -ft <br />Emergency Spillway <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />100.00 20.00 2.00:1 2.00:1 2,000.00 <br />Pond Results: <br />Peak Elevation: 100.21 ft <br />Dewater Time: 0.82 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 />90.00 <br />0.050 <br />0.000 <br />0.000 <br />90.50 <br />0.061 <br />0.028 <br />0.000 <br />91.00 <br />0.072 <br />0.061 <br />0.000 <br />91.50 <br />0.085 <br />0.100 <br />0.000 <br />92.00 <br />0.098 <br />0.145 <br />0.000 <br />92.50 <br />0.112 <br />0.198 <br />0.000 <br />93.00 <br />0.128 <br />0.258 <br />0.000 <br />93.50 <br />0.145 <br />0.326 <br />0.000 <br />94.00 <br />0.162 <br />0.403 <br />0.000 <br />94.50 <br />0.181 <br />0.488 <br />0.000 <br />95.00 <br />0.200 <br />0.583 <br />0.000 <br />95.50 <br />0.215 <br />0.687 <br />0.000 <br />96.00 <br />0.231 <br />0.799 <br />0.000 <br />96.50 <br />0.248 <br />0.919 <br />0.000 <br />15 <br />Filename: taylor trib ditch10024.sc4 Printed 12 -12 -2010 <br />Exh. 7- 14C -20 Revision Date: 12/31/10 <br />Revision No.: TR -81 <br />