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<br />• <br /> DITCH HYDROLOGY CALCULATIONS <br /> DITCH C1 <br /> Drainage Area (acres) 1.88 <br /> Maximum Elevation (ft) 8,251 <br /> Minimum Elevation (ft) 8,228 <br /> Drainage Height (ft) 23 <br /> Hydraulic Length (ft) 400 <br /> Average Slope (%) 5.8 <br /> Slope Adjustment Factor 1.01 <br /> Sub Area Acres Curve Number <br /> istur ed -T6 ~~ <br /> Undisturbed C 0.28 87 <br /> Average Curve Number 95 <br /> Average Runoff (in) <br /> 10-year, 24-hour event 1.20 <br /> 25-year, 24-hour event 1.48 <br /> 100-year, 24-hour event 1.96 <br /> Equivalent Area (acres) 3 <br /> Equivalent Peak Discharge (cfs/in) 5.4 <br />• Actual Peak Discharge (cfs/in) 3.6 <br /> Peak Discharge (cfs) <br /> 10-year, 24-hour event 4 <br /> 25-year, 24-hour event 5 <br /> 100-year, 24-hour event 7 <br />C J <br />23-30 <br />