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- � Narf: 'Tais s�r �S 'r c�sr.�W Q�� <br /> To .4�tow Fe� 7�+�FIow ��/�5�ivt� <br /> CITY Of EVERETT PUB�IC WtmKS <br /> ORAINAGE CAICULATION SUBMiS5I7N FORM <br /> Date Z-Zb^9D <br /> Pro3ect Name: �`'��-�^� �t <br /> Praject Location: /90S 1�✓ G�^h �� <br /> Submitted By: <br /> Orainage Basin: � roWL��11 '"'�'y . <br /> Pre-Development Design Storm (yr) � 7 <br /> Post�Development Design Storm (Yr): <br /> ZS <br /> Area of Site (ac): a Z , <br /> � � Existing Slope of Site (%): � 2 �' <br /> Existinq Gr��S�Forest (ac): <br /> lawns/LanCscsping (a� � --------- • <br /> Earth/Gravel (e�) � � --�"— <br /> • Impervious (ac): <br /> Existinq Run-Off (cfs): 0 33 <br /> � Proposed Ground Cover � . <br /> Lawns/Landscaping (ac): <br /> Earth/Gravel (ac): I • • <br /> , Impervious (ac): <br /> Detention Storage ReGuired (cf/ac) � <br /> Lawns/Landscaping (cf/ac) : <br /> Earth/Gravel (cf/ac): � " <br /> . Impervious (cf/ac) � <br /> Total Detention Storage Required <br /> Lawns/Landscaping (cf): <br /> Earth/Gravel (cf): <br /> Impervious (cf) : <br /> Total Storage Requize0 c • �-- <br />