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<br />• <br />• <br />DITCH HYDROLOGY CALCULATIONS <br />DITCH O1 <br />Drainage Area (acres) <br />Maximum Elevation (ft) <br />Minimum Elevation (ft) <br />Drainage Height (ft) <br />Hydraulic Length (ft) <br />Average Slope (X) <br />Slope Adjustment Factor <br />Sub Area Acres <br />s1Si turTed -33 <br />Undisturbed C 3.8 <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 />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 />9.3 <br />8,290 <br />8,254 <br />36 <br />640 <br />5.6 <br />1.07 <br />Curv~umber <br />87 <br />92 <br />0.97 <br />1.24 <br />1.69 <br />6.5 <br />10.5 <br />16.1 <br />16 <br />20 <br />27 <br />23-31 <br />