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SEDCAD 4 for Windows <br />28 <br />*Sediment capacity based on Average Annual R of 19.0 for 1 year(s) <br />Emergency Soillwav <br />Spillway Elev Crest Length Left Right Bottom <br />(ft) Sideslope Sideslope width (ft) <br />7,924.25 20.00 2.00:1 2.00:1 12.00 <br />Pond Results: <br />Peak Elevation: 7,924.27 ft <br />H'graph Detention Time: 7.68 hrs <br />Pond Model: CSTRS <br />Dewater Time: 0.25 days <br />Trap Effidency: 100.00 <br />Dewatedng time is ca/culated from peak stage to lowest spit/way <br />Elevation-Capacity-Discharge Table <br /> <br />Elevation Area <br /> <br />(ac) Capacity <br /> <br />(ac-ft) Discharge <br /> <br />(~s) Dewa[er <br />Time <br />(hrs) <br />7,921.15 0.278 0.000 0.000 Top of Sed. Storage <br />7,921.20 0.280 0.014 0.000 <br />7,921.50 0.292 0.100 0.000 <br />7,922.00 0.313 0.251 0.000 <br />7,922.50 0.334 0.412 0.000 <br />7,923.00 0.356 0.585 0.000 <br />7,923.50 0.378 0.768 0.000 <br />7,924.00 0.402 0.963 0.000 <br />7,924.25 0.413 1.065 0.000 Spillway #1 <br />7,924.27 0.414 1.072 0.321 6.00 Peak Stage <br />7,924.50 0.425 1.170 5.050 <br />7,925.00 0.450 1.389 15.151 <br />Detailed Discharge Table <br />i <br />~~ <br />• <br />Filename: STSec21Ten24.030807.sc4 <br />Exh. 7-20B-32 <br />Printed 03-09-2007 <br />Revision Date: 3/12/07 <br />Revision No.: PR-02 <br />J <br />