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<br />CY <br /> <br />Worksheet 1: Runoff curve number and runoff <br /> <br />Projec't ~ Ae.N- '\nuC/tL ~S By .JDM Date ~CA,,b <br />Location '\Zo ~~ tLL6" l tv\. t\J Checked Date - <br />Circle one: C~::3 Developed Cf.J :::-1 4- C~V\ Ou ~ ) ~ LL C- <br /> <br />1. R.unoff curve number (CN) <br /> <br />So11 name Cover description CN l./ Area Product <br /> and of <br />hydrologic (cover type, treatment, and NI'I r4 N eN x area <br />I I <br /> sroup hydrolosic condition; I I r4 r4 o ac;~es <br /> r4r4 ~ ~ <br /> . . <br /> percent impervious; ...... o mi - <br /> unconnected/connected impervious . e e 0% <br /> r4 g. g. <br /> area ratio) ~ .... .of <br /> c.. c.. <br /> C 4.0") ",,"vr~ - t ~ot~t"n~ <br /> 4:-~ <r~ A' -~v i<HJ S. 84- 4.0, 340.z <br />11 Use only one CN source per line. Totals - f4.o1 ~~. 'Z <br /> <br />CN (weishted) _ total product <br />total area <br /> <br />--- <br /> <br />Use CN - <br /> <br />Ib4 ( <br /> <br />Rainfall, P (24-hour) .................. in <br /> <br />Stom 11 Stom 12 Stom 13 <br />\ loO - <br />'2. 'S ,?~ <br />CD.9~ 4-~Z <br /> <br />2. R.unoff <br /> <br />Frequency.............................. yr <br /> <br />Runoff, Q .............................. in <br /> <br />t, <br /> <br />10/89 <br /> <br />7.1-31 <br />