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• <br /> CITY OF EVERETT PUBLIC WORKS <br /> DRAINAGE CALCULATION SUBMISSION FORM <br /> Date NoV 2 7) 9.0 <br /> Project Name: Ever eft 1.✓oorL C t p rac"1 I icy <br /> Project Location: 1R s 5iveN tt.e-- 9- 2 9 -5 <br /> Submitted By: ODUL Enpne-e-rs <br /> Drainage Basin: S i;•,± L s I a x oti <br /> Pre-Development Design Storm (yr): /0 <br /> Post-Development Design Storm (yr): <br /> Area of Site (ac) <br /> Existing Slope of Site (%): �3 <br /> Existing Ground Cover <br /> Woods/Forest (ac): <br /> Lawns/Landscaping (ac): y�� <br /> Earth/Gravel (ac): <br /> Impervious (ac): <br /> Existing Run-Off (cfs) : 0. 3 <br /> per acre <br /> Proposed Ground Cover <br /> Lawns/Landscaping (ac): 2, 0 <br /> Earth/Gravel (ac): <br /> Impervious (ac) : 2, 52_ <br /> Detention Storage Required (cf/ac) <br /> Lawns/Landscaping (cf/ac) : S 7 0 <br /> Earth/Gravel (cf/ac): <br /> Impervious (cf/ac) : Zo '8g <br /> Total Detention Storage Required <br /> Lawns/Landscaping (cf): // p <br /> Earth/Gravel (cf): <br /> Impervious (cf): 5 2_, 2 <br /> Total Storage Required (cf) <br /> (4762H) <br />