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2- <br />CITY OF EVERETT PUBLIC WORKS <br />pRAINAGE CALCULATION SUBMISSION FORM <br />�ate l �/5•9� _ <br />Project Name: /✓l�6h'OLIL! f!l-rr� <br />Project Location: SE�SW-�rSEG/S,�ZB�✓.���• ������"y"�=�N'�`'k <br />Submitted By: %Dl�1G E�'G/NEE.C� <br />Drain2ge Basin: SILt��,C'-^�L'c' <br />Pre-Gevelopment Design Storn (yr): ��-y� <br />Post-Developmer�t Desion Storm (yr): �5' y� <br />Area of Site (ac;: , ��3 <br />Existing Slope of Site (%?' l.�3 <br />Existing Ground Cover <br />Woods/Forest (2c): <br />Lawns/Landscaping (2c : 0..�2 <br />Earth/Gravel (ac): <br />Impervious (ac): /,5/ <br />03/u.OZ)f!/ �Zr/.5/�� 2.0o c� <br />Existing Run-Oif (ci s) : Z•Do =/• 53 =� 307 GFS�Ac26 <br />per acre <br />Propased Ground Cover <br />Lzwns/Landscaping (ac): 0.28 <br />Earth/Gravel (ac): <br />Imoervious (zc): / �5 <br />' Detention Storage Required (cf/ac) <br />�'^�`� Lavms/Landscaping (cf/ac): /��/-� <br />� Earth/Gravel (cf/ac): <br />Impervious (cf/ac): 70 <br />Total Detention Storage Required <br />Lawns/Landscaping (cf): _ - D - <br />Earth/Gravel (cf): <br />Impervious (cf): /.Z x 70 = � 5 <br />Total Storage Required cf : 8�•5 __ <br />� <br />_ ._....,,,+, <br />