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DROP STRUCTURE HYDROLOGY CALCULATIONS <br />• <br />DROP STRUCTURE 2 <br /> SAFETY BERM SAFETY BERM <br />Hydrology Input Values DITCH 1 DITCH 2 <br />Precipitation Distribution SCS-Type II SCS-Type II <br />Storm Duration (hours) 24 24 <br />Precipitation Amount <br />10-year, 24•hour event (inches) 1.7 1.7 <br />Hydrography Response Shape Fast Fast <br />Drainage Basin Area (acres) 0.70 1.0 <br />Time of Concentration, TC (hours) 0.04 0.07 <br />Curve Number 90 90 <br />Routing Coefficients <br />Muskingum's K (hours) 0.046 0 <br />Muskingum's X 0.369 0 <br />Hydrology Results <br />Peak Discharge (cfs) <br />10-year, 24-hour event <br /> <br /> <br />1.50 <br />C:1...\830MR14.REV <br />04/26/93 Ipm 23.120Ra Revised - April 1993 <br />