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__ Date 3/2/94 <br />CYTY OF �VERE7T PUf3LIC WORKS <br />DRAINAGE CALCULATIUN SU6MISSION FORM <br />Project Name: Bos1oN G41C�leN <br />ProjeCt Location: NEC INTERSECTION EVERGRECN WAY & 75TH STREET <br />SUbfnitted 6y: IIARGHAUSEN CQNSULTING ENGINEERS INC. <br />�rainage Basin: 0:19, ACRES <br />Pre-Development Design Storn (yr): lo <br />Post-Development Design Stonn (yr); 25 <br />Area of Site (ac): O 1�} <br />Existing Slope of Site (X): 1.,5 } <br />,, . Existing Ground Cover <br />Woods/Fo:est (ac}: <br />Lawns/Landscaping (ac�: 0.10 <br />Earth/Grave.i (ac): —""�-' -" <br />" i Impervious (ac) : p. r� 9 � <br />.J <br />-� Existing Run-Off (cfs): <br />per acre <br />, Proposed Ground Cover <br />Lawns/L2ndscaping (ac): p.Zl <br />- Earth/Gravel (ac): <br />Impervicus (ac): 0.58 <br />Detention Storage.Required (cP/ac) <br />Lawns/Landscaping icf/ac): � <br />Earth/Gravel (c'/ac1: <br />- Impervious (cf/ac): �_.,, � . <br />Total�•Detention Storage Required o <br />Lawns/Landscaping icf): <br />Earth/Gravel (cf): <br />Impervious (cf): 0 <br />Totai Storage Requ red c:�_ <br />