Laserfiche WebLink
Surface Flooding .... . . . . . 0.000 0.000 <br /> Evaporation Loss . .. . . . . . . 0.000 0.000 <br /> Initial Stored Volume . . . . 0.011 0.003 <br /> Final Stored Volume . . . . . . 0.079 0.026 <br /> Continuity Error (o) . . . . . 0.075 <br /> ****************************************** <br /> Composite Curve Number Computations Report <br /> ****************************************** <br /> ---------------------- <br /> Subbasin MAJORITY M <br /> ---------------------- <br /> Area Soil <br /> Soil/Surface Description (acres) Group CN <br /> ---------------------------------------------------------------------------------------- <br /> Paved parking & roofs 38.32 B 98.00 <br /> Composite Area & Weighted CN 38.32 98.00 <br /> ------------------ <br /> Subbasin Sub-02 <br /> ------------------ <br /> Area Soil <br /> Soil/Surface Description (acres) Group CN <br /> ---------------------------------------------------------------------------------------- <br /> 1.08 - 98.00 <br /> Composite Area & Weighted CN 1.08 98.00 <br /> ------------------ <br /> Subbasin Sub-03 <br /> ------------------ <br /> Area Soil <br /> Soil/Surface Description (acres) Group CN <br /> ---------------------------------------------------------------------------------------- <br /> 0.38 - 98.00 <br /> Composite Area & Weighted CN 0.38 98.00 <br /> ------------------ <br /> Subbasin Sub-04 <br /> ------------------ <br /> Area Soil <br /> Soil/Surface Description (acres) Group CN <br /> ---------------------------------------------------------------------------------------- <br /> 3.86 - 98.00 <br /> Composite Area & Weighted CN 3.86 98.00 <br /> ************************************************** <br /> EPA SWMM Time of Concentration Computations Report <br /> ************************************************** <br /> Tc = (0.94 * (L^0.6) * (n^0.6)) / ((i^0.4) * (S^0.3)) <br /> Where: <br /> Tc = Time of Concentration (min) <br /> L = Flow Length (ft) <br /> n = Manning's Roughness <br /> i = Rainfall Intensity (in/hr) <br /> S = Slope (ft/ft) <br /> ---------------------- <br /> Subbasin MAJORITY M <br /> ---------------------- <br /> Flow length (ft) : 1669.28 <br /> Autodesk Storm and Sanitary Analysis <br />