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19� <br /> Worksheet 2: Runoff curve number snd runoff <br /> Pro�ecc LAK9S LAUD1�l6, �'MP7S ByS�V//l Dat� �� I 8 <br /> - �.ocatton EV&2C�TL, `�A Chacked T_ uata <br /> Circle one: Preaent Developed EKIS�T. UPS72bA//� ��1�. <br /> l. Runoff curve number (CN) <br /> Soil nana Cover description Area Producc <br /> and CN� oi <br /> ' hydrolo`!c (cover typ�, traa[wnt, and N � CN Y ara� <br /> — group hydrolagic condition; N i � ac�a• <br /> peccant imp�rviou�; u `� `�' ��1` <br /> unconnected/connacted lopervlous � � m �x <br /> (appendix A) area ratio) i., w w <br /> AI„pge4�) �!lVe3l.CJP90, Qe3b1� � �O-� 72'Ll <br /> C <br /> Sc.�1oo� °�1 2- 2 20� <br /> C <br /> '" Cc��^a,a uc.'^� 95 1 .4 133 <br /> C � <br /> � C FO29STgD �j I� •8 �1�J�L <br /> 1� Use only ona CN �ource per lina. Total� � �5•� g4�9 <br /> ' CN (veighted) .. toul oroduct ���f� �►je_Qj U�a CN � 8�/ <br /> tot�l ar�a �5.7 ' <br /> ,_� 2, Runoff <br /> Ston /1 Stors f2 Ston /3 <br /> � Frequency .............................. yr 2 2. 'rJ 'rJ0 <br /> �M Rainfall, 4 (24-hour) .................. in � •� 2•1 3•1 <br /> Runoff, Q .............................. !n 0.10 � -�oC> 2..00 -� <br /> (Use P and CN with table 2-1, fig. 2-1, <br /> "' or eqs. 2-3 and 2-4.) <br /> D,2 (210�VI-TR-66, 3econd Ed., June 1988) <br />