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SEDCAD 4 for Windows <br />rnml.inF~ looa Damnla I Cr1....aF <br />Structure Detai/: <br />Structure #1 (Silt Fence) <br />pad runoff <br />Silt Fence Inputs: <br />Fence Flow Width along Land Slope Tle-back <br />~~ contour (R) Height (ft) (off) distance (ft) <br />(gpm/sq ft) <br />0.3 300.0 3.0 3.00 100.0 <br />*Sediment Storage: 0.00 ac-R <br />*No sediment capacity defined <br />Silt Fence Results: <br />Peak Fence Stage: 1.19 ft <br />Peak Wa[er Stage: 1.19 R <br />DewaterTime: 0.81 days <br />Trap Efficiency: 73.08 <br />Dewatering time is calculated from peak stage to lowest spillway <br />Stage-Capacit~Discharge Table <br />Fence Stage <br /> <br />(ft) Water Stage <br /> <br />(ft) Area <br /> <br />(ac) capacity <br /> <br />(ac-ft) Discharge <br /> <br />(c~) Dewa[er <br />Time <br />(hrs) <br />0.00 0.00 0.000 0.000 0.000 Top of Sediment <br />0.10 0.10 0.023 0.001 0.020 0.70 <br />0.20 0.20 0.046 0.004 0.041 1.40 <br />0.30 0.30 0.069 0.010 0.062 1.35 <br />0.40 0.40 0.092 0.018 0.084 1.35 <br />0.50 0.50 0.115 0.028 0.106 1.30 <br />0.60 0.60 0.138 0.041 0.128 1.30 <br />0.70 0.70 0.161 0.056 0.151 1.40 <br />0.80 0.80 0.184 0.073 0.175 1.95 <br />0.90 0.90 0.207 0.092 0.199 1.80 <br />1.00 1.00 0.230 0.114 0.223 1.90 <br />1.10 1.10 0.253 0.138 0.248 2.05 <br />1.19 1.19 0.273 0.162 0.270 1.05 Peak Stage <br />1.20 1.20 0.275 0.165 0.273 <br />1.30 1.30 0.298 0.193 0.298 <br />1.40 1.40 0.321 0.224 0.324 <br />1.50 1.50 0.344 0.258 0.351 <br />1.60 1.60 0.367 0.293 0.378 <br />Filename: Mtncoal Pad - 2-acre.sc4 Printed 07.22-2005 <br />