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� .,��.1 - <br />._:. <br />Given: A 1.50 ace site lecated with the G1en::ood Creek <br />drainage basin. The slope of overland flow is 23. The <br />existing grcund cover is woods/forest. The pronosed land <br />use is a five lot singie iaa�'_y sho� subdivision. An <br />interior st=eet vith aenroxi�ately 17,000 square feet of <br />i�pervious sur:ace will be censtruc�ed. <br />Solution: From table 1, the allcwable release rate is .002 cis <br />per aere or .00] cfs for the entire site. This is less <br />than .l7 cfs, so a release rate of .0867 cPs kpr ac=e is <br />used to dete�ine the detention recuirements. The area <br />of imnervious surface is 13,000 +(5)(2900) or 27,000 <br />square feet. The=e'ore, t5ere vi11 be .71 ac:es of <br />iape:vious ssr:"ace and 0.88 acres of law� or lanZscaning. <br />Fro� table 7 the detenticn recuireaent is (1119)(.So) + <br />(4834)(.62) c� 3992 c�. <br />) • <br />� a%� <br />tS._ <br />i <br />r <br />4k . �. <br />- . 'YS}�� � . <br />