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0 <br />• <br />• <br />SEDCAD 4 for Windows <br />Copyright 1998 Pamela J. Schwab <br />Civil Software Design <br />Structure #1 (Silt Fence <br />Silt Fence Inputs: <br />Silt Fence Results: <br />Structure Detail: <br />Fence Flow Width along Land Slope Tie -bark <br />Rate contour (ft) Height (ft) (070) distance (ft) <br />(gpm/sq ft) <br />10.0 30.0 2.5 50.00 5.0 <br />*Sediment Storage: 0.00ac-It <br />*No sediment capacity defined <br />Peak Fence Stage: <br />0.04 ft <br />Peak Water Stage: <br />0.04 ft <br />Dewater Time: <br />0.00 days <br />Trap Efficiency: <br />55.34% <br />Dewatering time is calculated from peak stage to lowest spillway <br />Stage -Capacity -Discharge Table <br />Fence Stage <br />(ft) <br />Water Stage <br />(ft) <br />Area <br />(ac) <br />Capacity <br />(ac -ft) <br />Discharge Dewater <br />Time <br />(cfs) (hrs) <br />0.00 <br />0.00 <br />0.000 <br />0.000 <br />0.000 Top of Sediment <br />0.10 <br />0.10 <br />0.000 <br />0.000 <br />0.067 <br />0.20 <br />0.20 <br />0.000 <br />0.000 <br />0.135 <br />0.30 <br />0.30 <br />0.000 <br />0.000 <br />0.205 <br />0.40 <br />0.40 <br />0.001 <br />0.000 <br />0.275 <br />0.50 <br />0.50 <br />0.001 <br />0.000 <br />0.345 <br />0.60 <br />0.60 <br />0.001 <br />0.000 <br />0.417 <br />0.70 <br />0.70 <br />0.001 <br />0.000 <br />0.490 <br />0.80 <br />0.80 <br />0.001 <br />0.000 <br />0.563 <br />0.90 <br />0.90 <br />0.001 <br />0.001 <br />0.638 <br />1.00 <br />1.00 <br />0.001 <br />0.001 <br />0.713 <br />1.10 <br />1.10 <br />0.002 <br />0.001 <br />0.789 <br />1.20 <br />1.20 <br />0.002 <br />0.001 <br />0.866 <br />1.30 <br />1.30 <br />0.002 <br />0.001 <br />0.944 <br />1.40 <br />1.40 <br />0.002 <br />0.001 <br />1.023 <br />1.50 <br />1.50 <br />0.002 <br />0.002 <br />1.103 <br />1.60 <br />1.60 <br />0.002 <br />0.002 <br />1.184 <br />1.70 <br />1.70 <br />0.002 <br />0.002 <br />1.265 <br />1.80 <br />1.80 <br />0.002 <br />0.002 <br />1.348 <br />Filename: Bow-Vent-2.sc4 <br />TR -12 <br />Exh-8 - 104 - <br />2 <br />Printed 02.23-2000 <br />2/00 <br />