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• <br />SEDCAD 4 for Windows <br />Copyright 1998 Pamela J. Schwab <br />Civil Software Design <br />6 <br />Structure Detai/,~ <br />Structure #1 (Silt Fence <br />Anchored Straw Bales In Lieu of Fencing <br />Silt Fence Inputs: <br />Fe Ratelow Width along Hei ht ft Land Slope Tie-back <br />(gpm/sq ft) contour (ft). g . O , . (.%) distance (ft) <br />5.6 65.0 2.5 50.00 5.0 <br />*Sediment Storage: 0.00 ac-tt <br />*Sediment capacity based on A verage Annua/ R of 30. D for 1 year(s) <br />Silt Fence Results: <br />Peak Fence Stage: 1.07 ft <br />Peak Water Stage: 0.15 ft <br />Dewater Time: 0.06 days <br />Trap Efficiency: 51.51 <br />Dewatering time is ca/culated from peak stage to lowest spi//way <br /> <br />J <br />Stage-Capacity-Discharge Table <br /> <br />Fence Stage. <br />(ft) <br />Water Stage <br />(~) ~. <br />Area <br />(ac) ~-_... <br />Capacity <br />(ac-ft) <br />Discharge <br />(mss) <br />+-Deweter <br /> <br />Time' <br />(hrs). <br />0.00 0.000 0.000 <br />0.10 0.000 0.000 <br />0.20 0.001 0.000 <br />0.30 0.001 0.000 <br />0.40 0.001 0.000 <br />0.50 0.001 0.000 <br />0.60 0.002 0.001 <br />0.70 0.002 0.001 <br />0.80 0.002 0.001 <br />0.90 0.003 0.001 <br />0.92 0.00 0.003 0.000 0.000 Top of Sediment <br />1.02 0.10 0.000 0.000 0.081 <br />1.07 0.15 0.001 0.000 0.136 0.00 Peak Stage <br />1.12 0.20 0.001 0.000 0.182 <br />1.22 0.30 0.001 0.000 0.304 <br />1.32 0.40 0.001 0.000 0.445 <br />1.42 0.50 0.001 0.000 0.606 <br />1.52 0.60 0.002 0.001 0.787 <br />Filename: Slope2.sc4 <br />Printed 05-10-2000 <br />