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% � � . . <br /> • TABLE 1 � ' <br /> RUNfFF FACTORS FOR STORM SEWERS ' <br /> . ELAT ROLLING <br /> 0-51 �5t� <br /> UNDEVELOPED LAND � �, <br /> `; ' Wood � Forest . . . . . . . . . . . . . 0.05 0. 10 <br /> iSparse Trees f� Ground Cover . . . . . . 0.10 0.15 <br /> i Light Grass to Bare Ground . . . . . . 0.15 • 0. 20 , <br /> ; . . . . <br /> � DEVELOPED ARBA . ': • . <br /> Pavement 4 Roofs . . . . . . . . . : : 0.90 � 0.90 . <br /> � • Gravel Roads 4 parking Lots . . : . . . 0.75 0.80 <br /> t ' City Business . . . . . . . . . . . . 0.85 . 0.83 oPcSF.� <br /> bApartment Dwelling Areas . . . . . . .. 0.80 �.__ � PR <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� Meado►+s 4 Pastures . . . . . . . 0.20 0. 25 <br /> � . Farks F, Cemetery . . . . . . . . . . . 0.15 _ 0.20 <br /> � SINGLE FAMILY RESIDENTIAL. <br /> � (Dwelling Unit/Gross Acre) <br /> 1 .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 . . . : . : . : . . . . . . .�..5�' �I�T,1 Nr, <br /> 6.0-9.0 DU/GA . . . . . . . . . 0.60 <br /> � 9.0-15.0 llU/GA . . . . . . . . . . . . . . . 0.70 <br /> I • <br /> 1 <br /> � <br /> � <br /> 4 <br /> 1 <br /> � . <br /> � <br /> ��u <br /> 18 <br /> 5/79 <br />