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LOT 3, BLOCK 1, MOONEY LAKE PRESERVE <br /> RUNOFF CALCULATIONS <br /> December 1, 2017 <br /> Revised December 26,2017 <br /> EXISTING CONDITIONS <br /> WEST (AREA 1) EAST(AREA 2) <br /> Drainage area = 1.65 AC. Drainage area = 0.48 AC. <br /> Runoff"CN" = 74 Runoff"CN" = 61 <br /> Time of conc. = 12 minutes Time of conc. = 10 minutes <br /> Q1 = 1.31 CFS Q1 = 0.06 CFS <br /> Q10 = 4.23 CFS Q10 = 0.64 CFS <br /> Q100 = 10.27 CFS Q100 = 2.18 CFS <br /> PROPOSED CONDITIONS <br /> WEST(AREA 1) EAST(AREA 2) <br /> Drainage area = 1.65 AC. Drainage area = 0.48 AC. <br /> Runoff"CN" = 78 Runoff"CN" = 69 <br /> Time of Conc. = 10 minutes Time of conc. = 8 minutes <br /> AFTER PONDING, NWL=996.0 AFTER PONDING,NWL=993.6 <br /> Q1 = 1.91 CFS --> 0.49 CFS Elev = 996.51 Q1 = 0.28 CFS —> 0.03 CFS Elev = 993.67 <br /> Q10 = 5.30 CFS —> 2.06 CFS Elev = 997.21 Q10 = 1.13 CFS —* 0.19 CFS Elev = 993.87 <br /> Q100= 11.93 CFS —> 5.41 CFS Elev = 998.21 Q100 = 3.03 CFS —* 0.73 CFS Elev = 994.25 <br /> ;RONBER.G'&ASSOl AXES.INC, <br /> 445 N.WI OV., DR. <br /> ONG LAKE,DiM.r 53356 <br />