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Schmidt Development <br />Drainage Study <br />12/20/07 <br />12/17/07 2:3:15 pm J.C. McDonnell s Associates page 3 <br />Schmidt Investments, LLC <br />Project Runoff Calculations <br />12-17-2007 <br />HYDROGRAPH SUMMARY <br />PEAK <br />TIME <br />VOLUME <br />HYD <br />RUNOFF <br />OF <br />OF <br />CONTRIS <br />NUM <br />RATE <br />PEAK <br />HYDRO <br />AREA <br />CFS <br />MIN. <br />CF\ACFT <br />ACRES <br />UNDEVELOPED RUNOFF <br />1 <br />0.073 <br />590 <br />621 <br />CF <br />0.38 <br />6-MONTH <br />2 <br />0.146 <br />590 <br />1214 <br />CF <br />0.38 <br />2-YEAR <br />3 <br />0.248 <br />590 <br />2040 <br />CF <br />0.38 <br />10-YEAR <br />4 <br />0.404 <br />590 <br />3301 <br />CF <br />0.38 <br />100-YEAR <br />DEVELOPED <br />RUNOFF <br />5 <br />0.129 <br />590 <br />933 <br />CF <br />0.38 <br />6-MONTH <br />6 <br />0.227 <br />590 <br />1640 <br />CF <br />0.36 <br />2-YEAR <br />7 <br />0.352 <br />590 <br />2559 <br />CF <br />0.38 <br />10-YEAR <br />8 <br />0.533 <br />590 <br />3904 <br />CF <br />0.38 <br />100-YEAR <br />14 PROIHCT:05780 <br />