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1 , <br />I((, <br />1, <br />I, <br />f~ <br />I' <br />I' <br />(, <br />I, <br />I' <br />1, <br />It <br />~~ <br />~~ <br />;;:~ <br />,y <br />- 58 - <br />3.C alculate peak discharge, q (cfs) <br />First, determine qp (cfs per sp,mi.per inch runoff) using Figure H,6. <br />Determine runoff, Q (inches) from Table H.8. <br />Calculate: <br />9 =gpAQ <br />4p <br />Q <br />9 <br />Drainage <br />Area 1 <br />ine I Postmini <br />0.38 <br />30 cfs <br />0.38 <br />30 cfs <br />Drainage <br />Area 2 <br />Preminine ~ Pos <br />0.38 I 0.42 <br />39 cfs 1 42 cfs <br />38 <br />