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SEDCAD 4 for Windows <br />22 <br />SEC. 28 NULL 6 <br />Structure #27 (Pond <br />SEC. 28 POND <br />Pond Inputs: <br />Initial Pool Elev: 7,066.00 ft <br />Initial Pool: 2.46 ac -ft <br />Perforated Riser <br />Riser <br />Riser Height <br />Barrel <br />Barrel <br />Barrel Slope <br />Spillway Elev <br />Number of <br />Diameter <br />(ft) <br />Diameter <br />Length (ft) <br />( k) <br />Manning's n <br />(ft) <br />Holes per <br />(in) <br />(in) <br />0.118 <br />0.000 <br />7,056.50 <br />Elev <br />18.00 16.00 <br />18.00 <br />150.00 <br />2.00 <br />0.0150 7,071.00 <br />2 <br />Pond Results: <br />Emeroencv Soillwa <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope Width (ft) <br />7,077.00 30.00 2.00:1 2.00:1 30.00 <br />�- Peak Elevation: 7,073.86 ft <br />Dewater Time: 1.64 days <br />Dewatedng time is calculated from peak stage to lowest spillway <br />Elevation - Capacity- Discharcle Table <br />Elevation <br />Area <br />(ac) <br />Capacity <br />(ac -ft) <br />Discharge Dewater <br />Time <br />WS) (hrs) <br />7,055.00 <br />0.109 <br />0.000 <br />0.000 <br />7,055.50 <br />0.118 <br />0.057 <br />01000 <br />7,056.00 <br />0.127 <br />0.118 <br />0.000 <br />7,056.50 <br />0.136 <br />0.183 <br />0.000 <br />7,057.00 <br />0.145 <br />0.254 <br />0.000 <br />7,057.50 <br />0.155 <br />0.329 <br />0.000 <br />7,058.00 <br />0.165 <br />0.409 <br />0.000 <br />7,058.50 <br />0.176 <br />0.494 <br />0.000 <br />7,059.00 <br />0.187 <br />0.585 <br />0.000 <br />7,059.50 <br />0.198 <br />0.681 <br />0.000 <br />7,060.00 <br />0.209 <br />0.782 <br />0.000 <br />7,060.50 <br />0.220 <br />0.890 <br />0.000 <br />7,061.00 <br />0.231 <br />1.002 <br />0.000 <br />7,061.50 <br />0.243 <br />1.121 <br />0.000 <br />Filename: STSec28Hundred24.010807.sc4 printed 01 -08 -2007 <br />Exh. 7- 20A -66 Revision Date: 1/05/07 <br />Revison No.: PR -02 <br />C-] <br />• <br />