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04-21-16 1160 Co Rd E.doc <br />Page 1 of 1 <br /> <br />MEMORANDUM <br /> <br />DATE: April 21, 2016 <br /> <br />TO: Matthew Bachler, Senior Planner <br /> <br />FROM: John M. Anderson, Acting Public Works Director <br /> <br />SUBJECT: Planning Case 16-003 <br /> Arden Square-Master and Final PUD Application <br /> <br /> <br /> <br />I have reviewed the plans dated 3-18-16 prepared by Architectural Consortium LLC for <br />1160 W Co Rd E. The following are my comments: <br /> <br /> <br />1. A grading permit issued by the City of Arden Hills will be required for the site. <br />Additionally a permit from Rice Creek Watershed has been applied for and proof of <br />this permit being issued must be supplied before the City will issue the Grading and <br />Erosion control permit. <br /> <br />2. The stormwater treatment system proposed for the site meets the requirements of the <br />City of Arden Hills. This system will provide for detention and water quality <br />treatment on site. The existing site currently has no detention or water quality <br />treatment BMPs in place. The proposed system involves creating underground <br />storage for detention. The water quality improvement proposed includes sump catch <br />basins and a swirl separator structure. The northeast portion of the site (0.79 Ac.) <br />will be directed to these systems the balance of the site (0.31 ac.) will discharge to the <br />southwest untreated as it did prior to development. <br /> <br />