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• <br />• <br />• <br />SEDIMENT POND HYDROLOGY AND SEDIMENTOLOGY CALCULATIONS <br />Drainage Area (acres) <br />Maximum Elevation (ft) <br />Minimum Elevation (ft) <br />Drainage Height (ft). <br />Hydraulic Length (ft) <br />Average Slope (%) <br />Slope Adjustment factor <br />Sub Area <br />s13~ turfed <br />Undisturbed B <br />Undisturbed C <br />Undisturbed D <br />Average Curve Number <br />Average Runoff (in) <br />10-year, 24-hour event <br />25-year, 24-hour event <br />100-year, 24-hour event <br />SEDIMENT POND D <br />Acres <br />T60:6 <br />60.7 <br />84,4 <br />1.0 <br />Equivalent Area (acres) <br />Equivalent Peak Discharge (cfs/in) <br />Actual Peak Discharge (cfs/in) <br />Peak Discharge (cfs) <br />10-year. 24-hour event <br />25-year, 24-hour event <br />100-year, 24-hour event <br />Runoff Volume (acre-ft) <br />10-year. 24-hour event <br />25-year, 24-hour event <br />100-year, 24-hour event <br />Sediment Yoliane (acre-ft) <br />Pond Capacity (acre-ft) <br />246.7 <br />8,464 <br />8,178 <br />286 <br />3,900 <br />7.3 <br />1.21 <br />Curve Number <br />~~ <br />78 <br />87 <br />91 <br />88 <br />0.73 <br />0.97 <br />1.38 <br />131 <br />90 <br />205.1 <br />150 <br />199 <br />283 <br />15.0 <br />19.9 <br />28.4 <br />10.1 <br />25.1 <br />23-22 <br />