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Kirk Brooks <br /> From: Kirk Brooks <br /> Sent: Tuesday, August 25, 2015 3:29 PM <br /> To: hris Raef' <br /> Cc: Jane Zimmerman <br /> Subject: RE: Our Saviors Lutheran Church site plan <br /> Chris, below is the feedback I received from our drainage engineer. Please incorporate this information into your plot <br /> plan and submit to me via email.The disconnect and how it will be done should be shown/detailed on the plan. <br /> Additionally, indicate the square footage of the amount of roof area to be disconnected.Thanks, Kirk. <br /> According to the information provided, this project will create more than 2,000 square feet of new plus replaced <br /> impervious surface. Therefore, thE' project must comply with Minimum Technical Requirements#1-5 in the City's 2010 <br /> Stormwater Management Manual. In this particular case, the new roof is proposed to drain onto the existing roof, <br /> which has a perimeter gutter system that connects to the underground drainage system. In order to meet the City's <br /> stormwater management requirements for this project, portions of this existing perimeter gutter system must be <br /> interrupted, and instead discharged to downspouts that daylight above ground. This disconnection from the <br /> underground drainage system is required wherever feasible without causing erosion or flooding. At the very least, it <br /> would appear feasible for the gutters along the south and east portion of the southern-most building to be disconnected <br /> from the underground system—please see the map below. <br /> Thank you, <br /> Jane <br /> Jane Zimmerman, Sr. Engineer <br /> City of Everett Public Works Department <br /> phone: 425-257-8885 fax: 425-257=8882 <br /> e-mail:izimmerman(Deverettwa.gov <br /> 1 <br />