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• <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 (ft) Height (ft) (eio) distance (ft) <br />(gpm/sq ft) <br />10.0 100.0 2.5 66.00 3.8 <br />*Sediment Storage: 0.00 ac -ft <br />*No sediment capacity defined <br />Peak Fence Stage: <br />0.05 ft <br />Peak water Stage: <br />0.05 ft <br />Dewater Time: <br />0.02 days <br />Trap Efficiency: <br />59.81 % <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 <br />(cfs) <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 />0.223 <br />0.20 <br />0.20 <br />0.001 <br />0.000 <br />0.447 <br />0.30 <br />0.30 <br />0.001 <br />0.000 <br />0.671 <br />0.40 <br />0.40 <br />0.001 <br />0.000 <br />0.897 <br />0.50 <br />0.50 <br />0.002 <br />0.000 <br />I.123 <br />0.60 <br />0.60 <br />0.002 <br />0.001 <br />1.349 <br />0.70 <br />0.70 <br />0.002 <br />0.001 <br />1.576 <br />0.80 <br />0.80 <br />0.003 <br />0.001 <br />1.804 <br />0.90 <br />0.90 <br />0.003 <br />0.001 <br />2.033 <br />1.00 <br />1.00 <br />0.003 <br />0.002 <br />2.262 <br />1.10 <br />1.10 <br />0.004 <br />0.002 <br />2.492 <br />1.20 <br />1.20 <br />0.004 <br />0.002 <br />2.722 <br />1.30 <br />1.30 <br />0.005 <br />0.003 <br />2.954 <br />1.40 <br />1.40 <br />0.005 <br />0.003 <br />3.186 <br />1.50 <br />1.50 <br />0.005 <br />O.004 <br />3.418 <br />1.60 <br />1.60 <br />O.006 <br />0.004 <br />3.651 <br />1.70 <br />1.70 <br />0.0106 <br />0.005 <br />3.885 <br />1.80 <br />1.80 <br />O.006 <br />0.006 <br />4.120 <br />Filename: GVB5-t.sc4 <br />TR•17 <br />Exh-8 - 121 - <br />N <br />Printed 04.18-2000 <br />6'00 <br />