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SMALL AREA EXEMPTIONS 10 & 11 <br />TRANSFER TOWER & CONVEYOR - BOWIE NO. 2 <br />SOIL TYPE PROGRESSO LOAM - C <br />DISTURBED NEARLY BARE <br />DATA SUMMARIZED FROM SEDCAD OUTPUT <br />STORM INFORMATION <br />Storm Type: NRCS Type II <br />Design Storm: 10 yr - 24 hr <br />Rainfall Depth: 1.8 inches <br />Particle Size Distribution <br />Immediate <br />Total <br />Silt Loam <br />Total <br />PS #1 <br />SAE -10 <br />SAE -31 <br />Dewater <br />SAE 10 & 11 <br />Contributing Contributing <br />Size (mm) <br />In Out <br />Out <br />4.7600 <br />100.00% 100.00% <br />100.00% <br />2.0000 <br />96.00% 100.00% <br />100.00% <br />0.4200 <br />91.00% 100.00% <br />100.00% <br />0.0740 <br />87.00% 100.00% <br />100.00% <br />0.0040 <br />82.00% 100.00% <br />100.00% <br />0.0160 <br />60.00% 100.00% <br />100.00% <br />0.0040 <br />33.00% 99.89% <br />97.78% <br />STRUCTURE SUMMARY <br />1.20 <br />STRUCTURE DETAIL <br />Immediate <br />Total <br />Peak <br />Total <br />Tie -back <br />Peak <br />Peak <br />Dewater <br />Trap <br />Contributing Contributing <br />Discharge <br />Runoff <br />Along <br />Sediment Settleable <br />Slope <br />Distance <br />Area <br />Area <br />Time <br />Volume <br />Sediment <br />Conc. <br />Conc. <br />24 VW <br />(ac) <br />(ac) <br />(cfs) <br />(acre -ft) <br />(tons) <br />(mg /1) <br />(ml /1) <br />(ml /1) <br />SAE -10 IN <br />1.20 <br />1.20 <br />0.99 <br />0.08 <br />32.30 <br />492,807 <br />192.30 <br />105.39 <br />OUT <br />SAE -10 <br />10 <br />0.85 <br />0.08 <br />10.70 <br />187,417 <br />0.03 <br />0.02 <br />0.5 <br />66.96% <br />SAE -11 <br />10 <br />26 <br />2.5 <br />2 <br />N/A <br />SAE -11 IN <br />084 <br />084 <br />0.96 <br />0.05 <br />7.40 <br />186,822 <br />72.90 <br />38.51 <br />OUT <br />0.62 <br />0.05 <br />2.50 <br />65.486 <br />0.24 <br />0.13 <br />STRUCTURE DETAIL <br />TR -91 Exh.8 -189 10/14 <br />Fence <br />Width <br />Land <br />Tie -back <br />Peak <br />Peak <br />Dewater <br />Trap <br />Flowrate <br />Along <br />Height <br />Slope <br />Distance <br />Fence <br />Water <br />Time <br />Efficiency <br />Contour <br />Stage <br />Stage <br />(gpm /sq ft) <br />(ft) <br />WS) <br />( %) <br />(ft) <br />(ft) <br />(ft) <br />(days) <br />SAE -10 <br />10 <br />40 <br />2.5 <br />2 <br />N/A <br />0.56 <br />0.56 <br />0.5 <br />66.96% <br />SAE -11 <br />10 <br />26 <br />2.5 <br />2 <br />N/A <br />0.53 <br />0.53 <br />0.5 <br />66.30% <br />SUBWATERSHED HYDROLOGY DETAIL <br />SWS <br />SWS <br />Time <br />Curve <br />UHS <br />Peak <br />Runoff <br /># <br />Area <br />of <br />Musk K <br />Number <br />Discharge <br />Volume <br />Conc. <br />(ac) <br />(hrs) <br />(cfs) <br />(ac-ft) <br />SAE -30 <br />1 <br />1.20 <br />0.10 <br />0 <br />87 <br />TR55 <br />0.99 <br />0.075 <br />SAE -11 <br />1 <br />0.84 <br />0.10 <br />0 <br />87 <br />TR55 <br />0.62 <br />0.052 <br />SUBWATERSHED SEDIMENTOLOGY DETAIL <br />SWS <br />SOIL <br /># <br />K <br />L <br />S <br />C / P <br />PS# <br />Sediment <br />Peak <br />Peak <br />24VW <br />Sediment <br />Settleable <br />Conc. <br />Conc. <br />(tons) <br />(mg /1) <br />(ml /1) <br />(ml /1) <br />SAE -10 <br />1 <br />0.32 <br />330 <br />14 <br />1/ 1 <br />1 <br />32.3 <br />492,807 <br />192.30 <br />105.39 <br />SAE -11 <br />1 <br />0.32 <br />280 <br />9 <br />1 / 1 <br />1 <br />3.8 <br />186,822 <br />72.90 <br />38.51 <br />TR -91 Exh.8 -189 10/14 <br />