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M n - <br />H 0 <br />V HIt <br />� 0 H `\ <br />�r3z CS,P)J 3'Jt5y5J. <br />0 C)) g CITY OF EVERETT PUBLIC WORKS <br />O u DRAINAGE CALCULATION SUBMISSION FORM <br />s r' Date '�•� �• 69 <br />r H H <br />g N H Project Name: <br />n t7 Vs <br />Project Location: <br />H o En Submitted By: <br />Drainage Basin: <br />Pre -Development Design Storm (yr): .7 <br />Post -Development Design Storm <br />(yr): <br />lArea <br />e.Site (ac): <br />Existing Slope of Site (%): <br />/ I;/,G- <br />Existing Ground Cover <br />Woods/Forest (ac): <br />2. <br />Lawns/Landscaping (ac): <br />-- <br />Earth/Gravel (ac): <br />•4 <br />Impervious (ac): <br />lef-11__ <br />1_ ( <br />Existing Run -Off (cfs): <br />pu, ac. <br />Proposed Ground Cover <br />$ <br />Lawns/Landscaping (ac): <br />j! <br />Earth/Gravel (ac): <br />Impervious (ac): <br />Detention Storage Required (cf/ac) <br />( 1`' Lawns/Landscaping (cf/ac): (_,A�G7 42 /C) <br />Earth/Gravel (cf/ac): <br />Impervious (cf/ac): 01 A14C <br />Total Detention Storage Required <br />Lawns/Landscaping (cf): <br />Earth/Gravel (cf): r fl <br />CL = <br />Impervious (cf): D,B0]�?•r J6* / <br />Total Storage Requiredc/Soresres� <br />6 p <br />L O2CiS <br />'I .:') .gq . el <br />