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SEDCAD 4 for Windows <br />Copyright 7998 Pamela J. Schwab <br />Civil Sotnvare Design <br /> <br />Structure Detai/,• <br />Silt Fence Inputs: <br />Fence Flow yyidth along Land Slope Tie-back <br />Rate contour (ft) Height (R) (%) distance (ft) <br />(gpm/sq R) <br />15.0 20.0 2.6 10.00 25.0 <br />*sediment Storage: 0.00 ac-R <br />*No sediment capacity defined <br />Silt Fence Results: <br />Peak Fence Stage: 0.38 R <br />Peak Water Stage: 0.38 R <br />Dewater Time: 0.21 days <br />Trap Efficiency: 77.66 <br />Dewate~ing time is calculated from peak stage to lowestspillway <br />• <br />u <br />Stage-Capacity-Discharge Table <br />Fence Stage <br /> <br />(R) Water Stage <br /> <br />(R) Area <br /> <br />(ac) Capacity <br /> <br />(ac-R) Discharge <br /> <br />(~s) Dewater <br />Time <br />(hrs) <br />0.00 0.00 0.000 0.000 0.000 Top of Sediment <br />0.10 0.10 0.000 0.000 0.070 4.75 <br />0.20 0.20 0.001 0.000 0.147 0.20 <br />0.30 0.30 0.001 0.000 0.231 <br />0.38 0.38 0.002 0.000 0.301 0.01 Peak Stage <br />0.40 0.40 0.002 0.000 0.321 <br />0.50 0.50 0.002 0.001 0.418 <br />0.60 0.60 0.003 0.001 0.521 <br />0.70 0.70 0.003 0.001 0.632 <br />0.80 0.80 D.004 0.001 0.749 <br />0.90 0.90 0.004 0.002 0.872 <br />1.00 1.00 0.005 0.002 1.003 <br />1.10 1.10 0.005 0.003 1.140 <br />1.20 1.20 0.006 0.003 1.283 <br />1.30 1.30 0.006 0.004 1.434 <br />1.40 1.40 0.006 0.004 1.591 <br />1.50 1.50 0.007 0.005 1.755 <br />1.60 1.60 0.007 0.006 1.925 <br />1.70 1.70 0.008 0.007 2.102 <br />Filename: PCC-South2.sc4 <br />14-6 -50 <br />Printed OB-29-2000 <br />8/00 <br />