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� , K <br /> 1 �' <br /> TABLE 1 .� � <br /> , RUNOFF FACTORS FOR STORM SEIVERS <br />! <br /> • ' FLAT ROLLING , <br /> 0-5� �5� • <br /> UNDEVELOPED LAND <br />� . 0.05 � <br /> ' Wood f, Forest . • • • ' ' ' ' � ' , 0.10 0.15 • <br /> Sparse Trees $ Ground Cover . • • ' ' . 0.15 0.20 � <br /> Light Grass to Bare Ground . . . . . � <br />! DEVELOPED AREA � .• � . � . <br /> Pavement $ Roofs . . . . . . . . . : 0:90 0.90 � <br /> • Gravel Roads f, Parking Lots . . . 0.80 . <br /> City Business . . . . . . . . . . . . 0.85 0.90 <br /> ppartment Dwelling�Aseas • • • • ' ' : p,j0 0.80 <br /> � Industrial Areas (Heavy) : . . . . . <br /> Industrial Areas (Light) . . . . . . . 0.60 0.70 <br />' Earth Shoulder . . . . . . . . . . . . 0.50 • 0.50 <br />�� . . 0.25 � <br />' Playground . . • • • • • • • • • <br /> Lawns , Meadows �,�Pastures . . . . . . . 0.20 Z <br /> Parks $ Cemetery . . . . . . . . . . . 0.15 0.20 , <br /> j . I <br /> ;, <br /> SINGLE FAMILY RESIDENTIAL. ' <br /> (Dwelling Unit/Gross Acre) <br /> 2.0-1.5 DU/GA . . . . . . . . . . . . . . . 0 .30 <br />� D 1 .5-3.0 IIU/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 /> 1 <br /> � <br /> ) :� <br /> '; <br /> .i . � <br /> ,�� <br /> � • � � <br /> ,; • . . • . <br /> '% 18 • , <br /> D 5/79 " <br />