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._ _ ____---___-- <br /> TABLE J <br /> RUNOFF FACTORS FOR STORM SEWERS <br /> FLAT ROLLING <br /> 0-5$ �5$ <br /> UNDEVELOPED LAND <br /> 1400d £ Forest _ . . . . . . . . . _ . D. OS 0.] 0 <br /> 5parse 7'rees $ Ground Cover . . . . . . 0 . 10 0. 15 <br /> Light Grass to Bare Ground . . . . . . 0. 15 U. 20 <br /> DEVELOPED AREA � _ <br /> Pavement $ Roofs . . _ . . . . . . . 0.90 0.90 <br /> Gravel Roads $ Parking Lots . . . . _ _ 0_75 0. 80 <br /> City Business . _ . .. . . . . . . _ . . 0. 85 0.90 <br /> Apartment Dwelling Areas . . . . . . . 0. 80 0_ 85 <br /> Industrial Areas (Heavy) _ _ , , _ _ . 0.70 0. 80 <br /> Industrial Areas (Light) . . . . . . . 0_ 60 0. 70 <br /> Earth Shoulder . . . . . . . . . . . . 0. 50 0. 50 <br /> ' Playground . . . . . . . . . . . . . . 0. 25 0. 30 <br /> Lawns, Meadows F� Pastures . . _ . . . 0. 20 U.25 <br /> � Parks $ Cemetery . _ . _ _ . . . . . . D.15 0_ 20 <br /> SINGLE FAMILY RESIDENTIAL <br /> (Dwelling Unit/Gross Acre) <br /> ] -0-1 . 5 DU/GA . . . . . . _ . . . . . . 0 .30 <br /> 1 _5-3. 0 ' DU/GA . . . . . . . . . . . . . . . 0. 35 <br /> 3. 0-3_5 DU/GA . _ . . . . . . . . 0. 40 <br /> , 3.5-4 . 0 DU/GA . . _ . . . . _ . . ' � . 0 . 45 <- <br /> 4 . 0-6.0 DU/GA . . . . . . . . . . . . . . . . 0. 50 <br /> 6_0-9. 0 DU/GA _ . . . . . . . . . . . 0. 60 <br /> 9.0-15. 0 DU/GA . . . . . . . . . . . . . . . 0. 70 <br /> � � <br /> � . <br /> � <br /> � <br /> i <br /> r <br /> � ' <br /> � . <br /> I <br /> i <br />