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• SEDIMENT POND HYDROLOGY AND SEDIMENTOLOGY CALCULATIONS <br />SEDIMENT POND D <br /> 246.7 <br /> <br />Drainage Area (acres) <br />Elevation (ft) 8,464 <br />8,178 <br />Maximum <br />Minimum Elevation (ft) <br />ht (ft)• 286 <br />3,900 <br />Drainage Heig <br />Hydraulic Length (ft) 7.3 <br />1,21 <br />Average Slope (~) <br />Slope Adjustment factor <br /> Curvier <br />A~cr~es~ <br />Sub Area <br />78 <br />stur ed 60,7 <br />Undisturbed B g4 4 87 <br /> <br />Undisturbed C 1 0 91 <br />Undisturbed D 88 <br />Average Curve Number <br />Runoff (in) p,13 <br />Average <br />10-year, 24-hour event 0,97 <br />1 <br />38 <br />25-year, 224hhoureevent , <br />100-year, 131 <br />• <br />Equivalent Area (acres} <br />l~n) <br />P 90 <br />205.1 <br />Dis barge (cfs/in) <br />ActuallPeak <br />Peak Discharge (cfs) <br />24-hour event 150 <br />199 <br />10-year. <br />25-year. 24-hour event 283 <br />100-year. 24-hour event <br /> <br />Runoff Volume (acre-ft) 15.0 <br />19.9 <br />10-year, 24-hour event <br />25-year, 28.4 <br />100-year, 24-flour event 10.1 <br />acre-ft) <br />Sediments { acre-ft) 25.1 <br />Pond Cap Y <br />• <br />23-22 <br />