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. <br />C� <br />�����, C'>. (�t�� `�l�- 9 /y �� <br />CITY OF EVERETT PUBLIC WORKS <br />DRAINAGE CALCULATION SlIBMISSION FORM <br />Date i� i6-8v <br />Project Name: .a.�co -aM/�� <br />Project Location: E�-Sv-e�n v+.�y ; �9 �� .�G. <br />5ubmitted 9y: cz�,� G.-r.�66�� �ofzflus�� E�4.i���s <br />Drai.nage Basin: Piqeon �'�ee.E- �io. / <br />Pre-Development Design Storm (yr): �o y.� <br />Post-Development Design Storm (yr): 2S y.- <br />Area of Site (ac): o.9oi sr, <br />Existing Slope of Site (%): 6.5�6 ;: <br />Existing Ground Cover <br />Woods/Forest (ac): o. 9oi ac <br />Lawns/Landscaping (ac : o <br />� Earth/Gravel (aci: o <br />Impervious (ac): o <br />[ 4[YJ:1 <br />� <br />Existing Run-Off (cPs): o. 2z6 <br />per acre <br />Proposed Ground Cover <br />Lawns/Landscaping (ac): a 297 <br />Earth/Gravel (ac): iv,y <br />Impervious (ac): o_6oy <br />Detention Storage Requirecl (cf/ac) <br />Lawns/Landscaping (cf/ac): . Soz_ <br />Earth/Gravel (cf/ac): �yA <br />Impervious (cP/ac) : :zg/q <br />Tc:al Detention Storage Required <br />Lawns/Landscaping (cP): _ /49 <br />Earth/Gravel (cP): o <br />Imperviaus (cP): - /703 <br />Total Storage Required c: iBsz <br />