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Worksheet ~: Runoff curve number and runoff <br />Project SDH ;4 By DG?. Date -<-I-93 iZc.. ~~ ,,(q ~ <br />Location AC(~SS 12I]AD ?jU" Cop Checked Date <br />Circle one: Present Developed <br /> <br />1. Runoff curve number (CN) <br />Soil name <br />and Cover description <br />CN ~ Area Product <br />of <br />hydrologic <br />group <br /> <br /> <br />(appendix A) (cover type, treatment, and <br />hydrologic condition; <br />percent impervious; <br />unconnected/connected impervious <br />area ratio) w <br />N <br />m <br />~ <br />E, <br />i' <br />`~ <br />eo <br />w <br />~i <br />`" <br />~ <br />~, <br />~Jacres <br />^mi~ <br />^ X CN x area <br />D 5 COVER FAIlZ CCTIDITION 84 95 7980 <br /> <br /> <br /> <br /> <br /> <br /> <br />~/ Use only one C:l source per line. Totals ~ 95 7980 <br />CN (veighced) ~ total product a <br />coral area <br />2. Runoff <br />Use CN ~ 84 <br />Frequency .............................. yr <br />Rainfall, P (24-hour) .................. in <br />~unoff, Q .... ............... ..... .. Ln <br />(Use P and CN vich table 2-l, fig.•2-l, <br />ur eqs. =-3 and .-~.) <br />42-10 <br /> <br />Scorn Ill Storm 02 Storm A] <br />lOYR <br />1.4 <br />0.36 <br />