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SEDCAD 4 for Windows <br />c....,,' ht 10052 P-1. i <br />Structure Detail: <br />Structure #10 (Silt Fence) <br />S1L T FENCE <br />Silt Fence Inputs: <br />Fence <br />Ratelow Width along Height O ft Land Slope Tie-back <br />(gpm/s9 ft) contour (ft) (%) distance (ft) <br />10.0 25.0 2.5 2.40 104.2 <br />*Sediment Storage. 0.00 ac-ft <br />*No sediment capacity defined <br />Silt Fence Results: <br />Peak Fence Stage: 0.64 ft <br />Peak Water Stage: 0.64 ft <br />Dewater Time: 0.50 days <br />Trap Efficiency: 81.59% <br />De watering time is calculated from peak stage to lowest spillway <br />Stage-Capacity-Discharge Table <br /> <br />Fence Stage <br /> <br />(ft) - Water Stage <br /> <br />(ft) Area <br /> <br />(ac) Capacity <br /> <br />(ac-ft) Discharge <br /> <br />(cfs) Dewater <br />Time <br />(hrs) <br />0.00 0.00 0.000 0.000 0.000 Top of Sediment <br />0.10 0.10 0.002 0.000 0.065 10.50 <br />0.20 0.20 0.005 0.000 0.149 1.00 <br />0.30 0.30 0.007 0.001 0.251 0.35 <br />0.40 0.40 0.010 0.002 0.371 0.05 <br />0.50 0.50 0.012 0.003 0.511 0.05 <br />0.60 0.60 0.014 0.004 0.668 <br />0.64 0.64 0.015 0.005 0.742 0.01 Peak Stage <br />0.70 0.70 0.017 0.006 0.845 <br />0.80 0.80 0.019 0.008 1.040 <br />0.90 0.90 0.022 0.010 1.253 <br />1.00 1.00 0.024 0.012 1.485 <br />1.10 1.10 0.026 0.014 1.736 <br />1.20 1.20 0.029 0.017 2.005 <br />1.30 1.30 0.031 0.020 2.293 <br />1.40 1.40 0.033 0.023 2.600 <br />1.50 1.50 0.036 0.027 2.924 <br />1.60 1.60 0.038 0.031 3.268 <br /> <br />• <br />Filename: Silt Fence.sc4 <br />Printed 12-10-2009 <br />6 <br /> <br />TR-66 EXH-8 - 243 - 12/09