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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 Te -back <br />Rate contour (R) Height (ft)(or,) distance (R) <br />(gpm/sq ft) <br />10.0 140.0 2.5 66.00 3.8 <br />*Sediment Storage: 0.00ac-ft <br />*No sediment capacity defined <br />Peak Fence Stage: <br />q.05 R <br />Peak Water Stage: <br />0.05 ft <br />Dewater Time: <br />0.02 days <br />Trap Efficiency: <br />59.99% <br />Dewatering time is calculated from peak stage to lowest spillway <br />Stage -Capacity -Discharge Table <br />Fence Stage <br />(R) <br />Water Stage <br />(R) <br />Area <br />(ac) <br />Capacity <br />(ac -ft) <br />Discharge <br />(C's) <br />Dewater <br />Time <br />(hrs) <br />0.00 <br />0.00 <br />0.000 <br />0.000 <br />0.000 <br />Top of Sediment <br />0.10 <br />0.10 <br />0.000 <br />0.000 <br />0.312 <br />0.20 <br />0.20 <br />0.001 <br />0.000 <br />0.625 <br />0.30 <br />0.30 <br />0.001 <br />0.000 <br />0.939 <br />0.40 <br />0.40 <br />0.002 <br />0.000 <br />1.253 <br />0.50 <br />0.50 <br />0.002 <br />0.001 <br />1.568 <br />0.60 <br />0.60 <br />0.003 <br />0.001 <br />1.884 <br />0.70 <br />0.70 <br />0.003 <br />0.001 <br />2.200 <br />0.80 <br />0.80 <br />0.004 <br />0.002 <br />2.517 <br />0.90 <br />0.90 <br />0.004 <br />0.002 <br />2.835 <br />1.00 <br />1.00 <br />0.005 <br />0.002 <br />3.153 <br />1.10 <br />1.10 <br />0.005 <br />0.003 <br />3.472 <br />1.20 <br />1.20 <br />0.006 <br />0.003 <br />3.792 <br />1.30 <br />1.30 <br />O.006 <br />0.004 <br />4.112 <br />1.40 <br />1.40 <br />0.007 <br />0.005 <br />4.433 <br />1.50 <br />1.50 <br />0.007 <br />0.005 <br />4.755 <br />1.60 <br />1.60 <br />O.008 <br />0.006 <br />5.078 <br />1.70 <br />1.70 <br />O.008 <br />0.007 <br />5.401 <br />1.80 <br />1.80 <br />0.005 <br />0.008 <br />5.724 <br />Filename: GVB3-1.sc4 <br />TR -17 <br />Exh-8 - 112 - <br />C <br />Printed 04-18-2000 <br />6100 <br />