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, "� <br />Date <br />CITY �F EVERETT PUBLIC WORKS <br />DRAINAGE CAICULATION SUBMISSICN FORM <br />Project Name: \,,/eSuiNa--c,.� �'A�✓2,ss._ � ,e,�- <br />Project Location: ���rc, l� �,�/, _ <br />Submitted By: <br />Drainage Basin: — <br />�z� <br />�lILT6.no <br />�-17-yz <br />?re-Development Design Storm (yr): �1. — - ti��l <br />I` "v"15"• , <br />Post-Development Design Stonn (yr): ���:� <br />� r.��; <br />Area of Site (ac): 3•8 8���pPFiZ I3AS\N� __ �i •i � i <br />Existing Slope of Site (%): 9 � ` <br />��/9 �1Z. <br />Existing Ground Cover <br />Woods/Forest (ac): --- -3—• 8$ <br />Lawns/Landscaping (a� <br />Earth/Gravel (ac): -- <br />Impervious (ac): <br />Existing Run-OfP (cfs): n.'�54- �Fy a«. <br />per acre <br />Proposed Ground Cover <br />Lawns/Landscaping (ac): I. 2 8 <br />Earth/Gravel (ac): <br />Impervious (ac): Z b O <br />Detention Storage Required (cf/ac) <br />Law•s/Landscaping (cf/ac): 5 `f O <br />Earth/Gravel (cf/ac): — <br />Impervious (cf/ac): Z� S 4. 8 7 <br />Total Oetention Storage Required <br />Lawns/Landscaping (cf): 75 S. Z- <br />Earth/Gravel (cf): <br />Impervious (cf ): 6 6 4 2• 7 <br />Total Storage Requ3red c: � 3 9 6 <br />