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FUTURE RUNOFF COEFFICIENT <br /> A1 Developed Denstt}' <br /> 1'avement 0.66 Acres <br /> Roof 0.37 Acres <br /> Sidewalks 0.13 Acres <br /> TOTAL 1.16 Acres <br /> � Landscaping 2.63 Acres <br /> • TqTAL 3.79 Acres <br /> C = (1.16 Ac.) (0.9)+(2.63 Ac.) (0.2) _ p,41 <br /> 3.79 Acres <br /> C = 0.41 <br /> A2 Developed Density <br /> Pavement 0.27 Acres <br /> Roof 0.15 Acres <br /> Sidcwalks 0.08 Acres <br /> TOTAL 0.50 Acres <br /> Landscaping 0.57 Acres <br /> TOTAL 1.07 Acres <br /> , C = (0.50 Ac.) (0.9)+(0.57 Ac.)(0.2) = 0.53 <br /> 1.07 Acres <br /> I <br /> c = 0.53 <br /> ' <br /> !� A1 Qo = 0.20 cfs <br /> (3.79 ac.) (0.41) <br /> = 0.13 cfs/ac. <br /> 1 <br /> T = -25 + 2706 <br /> 0.13 cfs/ac. <br /> _ -25 + 144.28 min. <br /> = 119.28 min. <br /> � <br /> �� lrs = (4329) (119.28 min.) _ �40) (0.13 cfs/ac.)(119.28 min.) <br /> 119.28 min. + 25 <br /> = 3578.90 - 620.26 <br /> = 2958.64 ft.3/ac. <br />