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<br />SEDCAD 4 for Windows <br />Capynght 1999 Pamela J. Schwab <br />Civil SoM1ware Design <br />6 <br />Structure Detai/: <br />Structure #1 (Silt Fence <br />Silt Fence Inputs: <br />Fence Flow yfidth along Land Slope Tie-bark <br />Rate contour (ft) Height (R) (%) distance (R) <br />(gpm/sq ft) <br />10.0 30.0 2.5 50.00 5.0 <br />*Sediment Storage: 0.00 ac-R <br />Silt Fence Results: <br />*No sediment capacity defined <br />Peak Fence Stage: 0.04 R <br />Peak Water Stage: 0.04 R <br />Dewater Time: 0.00 days <br />Trap Efficiency: 55.34 <br />Dewatering time is calculated from peak stage to lowest spillway <br />• <br />• <br />Stage-Capacity-Discharge Table <br />Fence Stage <br /> <br />(R) Water Stage <br /> <br />(R) Area <br /> <br />(ac) Capacity <br /> <br />(ac-ft) Discharge Dewater <br />Time <br />(cfs) (hrs) <br />0.00 0.00 0.000 0.000 0.000 Top of Sediment <br />0.10 0.10 0.000 0.000 0.067 <br />0.20 0.20 0.000 0.000 0.135 <br />0.30 0.30 0.000 0.000 0.205 <br />0.40 0.40 0.001 0.000 0.275 <br />0.50 0.50 0.001 0.000 0.345 <br />0.60 0.60 0.001 0.000 0.417 <br />0.70 0.70 0.001 0.000 0.490 <br />0.80 0.80 0.001 0.000 0.563 <br />0.90 0.90 0.001 0.001 0.638 <br />1.00 1.00 0.001 0.001 0.713 <br />1.10 1.10 0.002 0.001 0.789 <br />1.20 1.20 0.002 0.001 0.866 <br />1.30 1.30 0.002 0.001 0.944 <br />1.40 1,40 0.002 0.001 1.023 <br />1.50 1.50 0.002 0.002 1.103 <br />1.60 1.60 0.002 0.002 1.184 <br />1.70 1.70 0.002 0,002 1.265 <br />1.80 1.80 0.002 0.002 1.348 <br />Filename: Bow-Ven[-2.sc4 <br />TR-12 <br />Exh-8 - 104 - <br />Printed 02.23-2000 <br />2/00 <br />