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i � : <br /> TA6LE 1 � <br /> RUNOFF FACTORS FOR STORM SEIVERS � <br /> J <br /> FLAT ROLLING <br /> 0-5$ �St ( <br /> t <br /> UNDEVELOPED LAND . <br /> � : . . .. { <br /> {Vood f, Forest . . . . . . . . . . 0.05 0.10 ( <br /> Sparse Trees $ Ground Cover . . . . . . 0 .10 0.15 <br /> Light Grass to Bare Ground . . . . . . 0 .15 •� 0.20 -" . .: ' ' . _ - - � <br /> . � _ - . '.. � <br /> � AEVELOPED AREA ' ': <br /> Pavement � Roofs . . � 0.90 4 90 -� � <br /> �_ _ <br /> Gravel Roads F, Parki.ng�Lots . . . - •..� 0.75 - -:�,.$Q:Y;;:::�=::- _ _ <br /> City Business . . . . . . : 0.85 �0:90 - - � <br /> ' Apartment Dwelling�Areas : : . .. . .. 0.80 _0.85 _ <br /> In3ustrial Areas (Heavy) . . . i 0•70 :`0.80 _. _ . _. . <br /> Industrial Areas (Light) . . . : 0.60 - 0:70 . - -_••-� <br /> Earth Shoulder . . . . . . . . . 0 .50 � 0:�0 _ <br /> Playground . . . . . . . . . . . 0.25 = U.30 - -. - <br /> Lawns , Meadows�F, �Pastures . . . , . . 0.20 ' 0�. 25 �- - <br /> i Parks E, Cemetery . . . . . . . . . . 0.15 - 0.20 . -y � � <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 . . . . . . . . . . . . . . . 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 /> _ .... , . � <br /> 1 - <br /> � ,. ' •� (c <br /> � ... . . . __ . . -r"r i.a ',.ti: _� . ..... . . .�:� v ;�:,s:K- . — � . <br /> . �r. `��^.� . <br /> . � .q.� .L � r . ' -�si-S v . F <br /> i �r�.,.. � � " E <br /> � r I � . _. a� �....1.'.1 .\].Y r w�6.. t�. C�.i�}r. . . . . - - .� .. ... "I _. = - . . <br />