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�� `'=� �� �� <br />CITY �' EVERETT pUBLIC WORKS <br />DRAINAGE CALCILATION SUBMISSION FORM <br />Date L • Z _ p <br />Project Name; �j A�2Y ►�-h�.�ST�.t> S U N iT 4P'j", <br />Pro,ject Location: q �'j � � Z tiL► �- ;;, E <br />SudAittEd By: ,� ti"o 2 �LF .r ��s�oc.. <br />Drainage Basin: `S� L�/�rZ LbK� G2 �+� oK <br />Pre-Development Design Storm (yr): �Q oK <br />Post-Development Design Stonn (yr); ZCj dk <br />Area nf Site (ac): (tj,20 <br />Existing Slope of Site {%): 2. 8 �e ' <br />E�cisting Ground Cover <br />Woods/Forest (ac): O. 20 <br />LaNns/Landscapi�g (ac : <br />Earth/Gravel (ac): <br />Lnpervious (ac): <br />Existing Run-0Pf (cfs): <br />per acre <br />Proposed Ground Cover <br />Lawns/Landscaping (ac): O� 08 <br />Earth/Gravel (ac): <br />Impervious (ac): _ p,� q <br />Oz�) � o, 03 cfs <br />— <oii3, .'. <br />0.13 c�s <br />O.i3cfs� �.65CfS <br />a.z� ,�. <br />`ure rn��s <br />— iu ��ecE�� <br />Detention Storage Required (cf/ac) <br />,_�:• Lawns/Landscaping (cf/ac): � �I+rs N�k <br />Earth/Gravel (cf/ac): <br />Impervious (cP/ac): 7B8 cfykc <br />n � � � Q �t�l�y�t�ention Storage Required <br />W I Ii l Lawns/Landscaping (cP): �4r' <br />L/ Earth/Gravel (cf): <br />FEB 7 1990 Impervious (cf): <br />Total Storage Required c: -7��-� �/s0 C,f- <br />Dept, <br />� Ti�� .�o <br />dc�r..w �ryrvuyt�. <br />i)v�d�s,.6�� <br />? �S-Jo <br />