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SEDCAD 4 for Windows <br />Copyright 1998 Pamela J. Schwa <br />Civil Software Desig <br />• <br />Structure Detail: <br />Structure #1 (Null) <br />Watershed <br />Silt fence/fabric berm breaks <br />Silt Fence Inputs: <br />Fence Flow yridth along Land Slope Tie-back <br />Rate contour (R) Height (R) (yo) distance (R) <br />(gpm/sq R) <br />15.0 40.0 1.0 20.00 5.0 <br />*Sediment Storage: 0.00 ac-ft <br />*Sediment capacity based on Average Annual R of 16.6 for 1 year(s) <br />Silt Fence Results: <br />u <br />Peak Fence Stage: 0.94 ft <br />Peak Water Stage: 0.36 ft <br />Dewater Time: 0.29 days <br />Trap Effidency: 85.37 <br />Dewatering time is calculated from peak stage to lowest spillway <br />Stage-Capaci -Discharge Table <br />• <br />Fence Stage <br /> <br />(R) Water Stage <br /> <br />(R) Area <br /> <br />(ac) Capacity <br /> <br />(ac-R) Discharge <br /> <br />(~) De"ster <br />Time <br />(hrs) <br />0.00 0.000 0.000 <br />0.10 0.000 0.000 <br />0.20 0.001 0.000 <br />0.30 0.001 0.000 <br />0.40 0.002 0.000 <br />0.50 0.002 0.001 <br />0.58 0.00 0.003 0.000 0.000 Top of Sediment <br />0.68 0.10 0.000 0.000 0.134 6.95 <br />0.78 0.20 0.001 0.000 0.276 <br />0.88 0.30 0.001 0.000 0.426 <br />0.94 0.36 0.002 0.000 0.524 0.00 Peak Stage <br />0.98 0.40 0.002 0.000 0.584 <br />1.00 0.42 0.002 0.001 0.630 <br />Filename: eppropud - B.sc4 <br />Printed 01-24-2001 <br />