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i <br /> �. <br /> � T ' . . <br /> TnaLc i ` C <br /> . RUNOFF FACTORS FOR STORDf SEIVERS � _ <br /> , " FLAT ROLLING <br /> . . 0-5� �5� . � <br /> UNDEVELOPED LAND <br /> Mood 6 Forest . . . . . . . . . 0.10 � <br /> �� Sparse Trees f��Ground Cover . . . . . .�0.� 0.15 � , o <br /> LiQht Grass to Bare Ground . . . . . . 0.15 0. 20 : � -i <br /> � <br /> m <br /> DEVELOPED AREA . • . '` <br /> . . . � .. .. <br /> Pave�-nt E Roofs . . . . . . 0.90 0.90 � T <br /> Gravel Roads $ Parking�Lots . . : . . � 0. 80 ` "' _ <br /> , 1�► o m <br /> ��City Business . . . . . . . . . . 0.85 0.90 c v <br /> Apartment Duelling�Areas . . . . . . 0.85 "' � <br /> Industrial Areas (Heavy) . . . . . . . 0.70 0. 80 i o� <br /> Industrial Areas (Light) . . . . . . . 0.60 0.70 � =z <br /> Earth Shoulder . . . . . , . . . . . . 0.50 • 0. 50 � m <br /> Playground . . . . . . . . . . . 0.25 0. 30 �, •�z <br /> Lawns� MeadoHs 6•Pastures . . . . . . . 0.20 0.25 � � _ <br /> Parks F, Cemetery . . . . . . . . . . 0.15 0. 20 � � N <br /> < <br /> T <br /> O .t <br /> � SINGLE FAh1ILY RGSIllENTIAL . •.� T � <br /> ,. ' � r., <br /> (Daelling Unit/Gross Acre) =. m� <br /> � � o r <br /> 1 .0-1 .5 DU/GA . . . . . . . . . . . . 0 .30 ��r*+ <br /> 1 .5-3.0 DU/GA . . . . . . . . . . . ' . . . . 0.35 � c "� <br /> � 3 � <br /> 3.0-3.5 DU/GA . . . . . . . . . . . . . . . 0 .40 �� <br /> 3. 5-4.0 DU/GA . . . . . . . . . . . . . . . 0. 45 ' ' ' n <br /> � <br /> 4.0-6.0 . DU/GA . . . . . . . . . . . . . . . 0. SO � <br /> ' 6.0-9.0 DU/GA . . . . . . . . . . . . . . . 0.50 � _ <br /> 9.0-15.0 DU/CA .� . . . . . . . . . . . . . . 0,70 � J z <br /> . , � � � <br /> � <br /> � <br /> • ~ Z <br /> � � O <br /> a-� <br /> C") <br /> m <br /> . � <br /> . • ' � <br /> . ' R <br /> . 4 � � <br /> . � ' . 10/z7/82 <br /> P <br />