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• DITCH HYDROLOGY CALCULATIONS <br />DITCH B2 <br />Drainage Area (acres) 65.4 <br />Maximum Elevation (ft) 8,462 <br />Minimum Elevation (ft) 8,270 <br />Drainage Height (ft) 19P <br />Hydraulic Length (ft) 1,500 <br />Average Slope (%) 12.8 <br />Slope Adjustment Factor 0.95 <br />Sub Area Acres Curv <br />e <br />H <br />umber <br />~stur ed -T~:i ~ <br />_ <br />~ <br />Undisturbed B 23.8 78 <br />Undisturbed C 25.5 81 <br />Average Curve Humber 86 <br />Average Runoff (in) <br />10-year, 24-flour event 0.63 <br />25-year, 24-hour event 0.85 <br />100-year, 24-hour event 1.24 <br />Equivalent Area (acres) P6,7 <br />• <br />Equivalent Peak Discharge (cfs/in) 75 <br />Actual Peak Discharge (cfs/in) 174.5 <br />Peak Discharge (cfs) <br />10-year, 24-hour event 110 <br />25-year, 24-hour event 148 <br />100-year, 24-hour event 216 <br />~~ <br />23-29 <br />