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<br />SEDCAD NOTE <br />TRANSFER STATION #1 <br />• sti„ #i <br /> Soils Rentsac loam -Hydrologic soils group C. <br /> CN = 87 Dirt road <br /> Soil K = 0.28 Taken from Table II-I-2. <br /> L = 90 Self explanatory. <br /> 5 = 0.5% Measured. <br /> C = 1.0 No explanation required. <br /> P = 1.0 No explanation required. <br /> Stru #2 <br /> Soils Rentsac loam -Hydrologic soils group C. <br /> CN = 89 Gravel road. <br /> Soil K = 0.15 From SedCAD for sandy fines in roadbase material. <br /> L = 75 Measured. <br /> S = 5% Measured. <br /> C = 0.08 RUSLE 1.06 manual. Gravel, 135 tons/acre, 90% cover, 1% slope (5% slope = 0.05 so <br /> this is overly conservative) <br /> P = 1.0 No explanation required. <br />• Stru #4 <br /> Soils Rentsac loam -Hydrologic soils group C. <br /> CN = 63 SedCAD -Shrub with grass understory -fair condition. <br /> SOiI K = 0.28 Taken from Table II-I-2. <br /> L = 75 Measured. <br /> 5 = 10% Measured. <br /> C = 0.07 SedCAD -Canopy of tall weeds or short brush - 50% canopy cover with 40% ground <br /> cover. <br /> P = 1.0 No explanation required. <br /> Stru #3 <br /> Grass filter <br /> Roughness Coefficient Fescue -widest spacing option - 2 cuttings. Actual stiffness should be greater <br /> increasing roughness coefficient. <br /> Grass Height 8.0 inches -observations <br /> Hydraulic Spacing 0.67 inches -widest option. <br /> Infltration Rate 0.10 iph -Hydrologic soils group C. <br /> Stiffness Factor 20 N-sq m -Native grass mix -good stand, unmowed. <br /> Filter length 100 feet (420' actual) <br />• Filter width 4 feet -observation of drainage. <br /> Filter slope 5% -measured. <br />