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Kirk Brooks <br /> From: Arnie Roshak <br /> Sent: Thursday,July 13, 2017 4:14 PM <br /> To: Heather Griffin <br /> Cc: Kirk Brooks <br /> Subject: 3310 McDougall - Credit for demolished impervious surface? <br /> Hi Heather, <br /> I have a developer who is trying to claim previously demolished buildings and impervious areas as existing impervious <br /> areas for the threshold determination. How far back would we give credit for sites that in the past had more impervious <br /> areas than currently exists? In this case, its been about 10 years since the impervious was demo'd and it makes the <br /> difference between MR1-9 and flow control being required vs just MR1-5. <br /> Thanks, <br /> Arnie Roshak, PE <br /> City of Everett Public Works <br /> 3200 Cedar St <br /> Everett,WA 98201 <br /> Direct:425-257-7249 <br /> Fax:425-257-8882 <br /> ARoshak@everettwa.gov <br /> AiLsGot21 -- <br /> rts <br /> (' ©s d-C k-,e CoPC oma- , <br /> Keys��-- <br />