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SEDCAD 4 for Windows <br />Pond Results: <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />7,476.00 30.00 2.00:1 2.00:1 30.00 <br />Peak Elevation: 7,470.67 ft <br />H'graph Detention Time: <br />7.63 hrs <br />Pond Model: <br />CSTRS <br />Dewater Time: <br />1.04 days <br />Trap Efficiency: <br />47.20 <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 <br />(cfs) <br />Dewater <br />Time <br />(hrs) <br />7,458.86 <br />0.072 <br />0.000 <br />0.000 <br />Top of Sed. Storage <br />7,459.00 <br />0.074 <br />0.010 <br />0.000 <br />7,459.50 <br />0.083 <br />0.049 <br />0.000 <br />7,460.00 <br />0.093 <br />0.093 <br />0.000 <br />7,460.50 <br />0.102 <br />0.142 <br />0.000 <br />7,461.00 <br />0.112 <br />0.196 <br />0.000 <br />7,461.50 <br />0.122 <br />0.254 <br />0.000 <br />7,462.00 <br />0.133 <br />0.318 <br />0.000 <br />7,462.50 <br />0.144 <br />0.387 <br />0.000 <br />7,463.00 <br />0.156 <br />0.462 <br />0.000 <br />7,463.50 <br />0.168 <br />0.543 <br />0.000 <br />7,464.00 <br />0.180 <br />0.630 <br />0.000 <br />7,464.50 <br />0.193 <br />0.723 <br />0.000 <br />7,465.00 <br />0.206 <br />0.823 <br />0.000 <br />7,465.50 <br />0.223 <br />0.930 <br />0.000 <br />7,466.00 <br />0.240 <br />1.046 <br />0.000 <br />7,466.50 <br />0.257 <br />1.170 <br />0.000 <br />7,467.00 <br />0.276 <br />1.303 <br />0.000 <br />7,467.50 <br />0.295 <br />1.446 <br />0.000 <br />7,468.00 <br />0.314 <br />1.598 <br />0.000 <br />Low hole SPW #1 <br />7,468.50 <br />0.334 <br />1.760 <br />0.334 <br />5.87* <br />7,469.00 <br />0.355 <br />1.933 <br />0.473 <br />5.25 <br />7,469.50 <br />0.377 <br />2.116 <br />0.913 <br />3.30 <br />7,470.00 <br />0.399 <br />2.309 <br />1.141 <br />2.30 <br />7,470.50 <br />0.419 <br />2.514 <br />1.326 <br />4.85 <br />7,470.67 <br />0.426 <br />2.586 <br />1.381 <br />3.35 <br />Peak Stage <br />Filename: WestTen24.090209.sc4 Printed 09 -02 -2009 <br />Exh. 7- 20C -75 Revision Date: 9/02/09 <br />Revision No.: TR -82 <br />