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<br />DEe 1 5 Z006 <br /> <br />~f~~NESIO~ 1< Minnesota Department of Transportation <br /> <br />.~ ~ . Metropolitan District <br />~~ ~(p Waters Edge <br />OFTll.II-~ 1500 West County Road B-2 <br />Roseville, MN 55113-3174 <br /> <br />December 14, 2006 <br /> <br />Mr. Jeremy Barnhart <br />Planning Manager <br />City of Elk River <br />13065 Orono Parkway <br />Elk River, MN 55330-5600 <br /> <br />SUBJECT: <br /> <br />SuperAmerica Elk River <br />MnfDOT Review # S 06-113 <br />Southwest quadrant of Trunk Highways 10 and 169 (TH) 10 and 169 and 171st <br />Avenue Northwest <br />Elk River/Sherburne County <br />Control Section 7101 <br /> <br />Dear Mr. Barnhart: <br /> <br />. <br /> <br />Thank you for the opportunity to review the above-referenced site plan. The Minnesota <br />Department of Transportation Metro District (Mn/DOT) has reviewed the plan. Before any <br />further development, please address the following comments: <br /> <br />Traffic: <br /> <br />. The existing "throat" distance (distance available for traffic to maneuver) between Yale <br />Court and TH 10/169, on 171 st Avenue Northwest, is only approximately two hundred <br />fifty (250) feet. A proposed access on 171 st Avenue NW to serve the SuperAmerica in <br />the middle of that short length (approximately one hundred ten (110) feet east of Yale), <br />would lead to significant safety and operational problems. Vehicles exiting the site and <br />attempting to cross to the eastbound 171 st Avenue lanes to reach the Left Turn Lane for <br />westbound TH 10/169, would have only one hundred and ten (110) feet to make this <br />maneuver. The site plan depicts two full accesses on Yale Court Northwest. All access <br />to the SuperAmerica should be taken off of Yale Court Northwest. For questions on <br />these points, please call Gale Gedstad, Mn/DOT Metro Traffic Engineering, at (651) 634- <br />2145. <br /> <br />Drainage: <br /> <br />. <br /> <br />A MnJDOT drainage permit may be required. Proposed stormwater structures are shown <br />on the map, but there is no indication of where the structures are connected, or the <br />location to which they are draining. A regional pond is mentioned in the STS <br />Consultant's cover letter but is not depicted on any of the maps. Information and a map <br />is needed to depict how the regional pond ties into the stormwater system. The proposed <br />development will need to maintain existing drainage rates (i.e., the rate at which storm <br />water is discharged from the site must not increase). <br /> <br />. <br /> <br />An equal opportunity employer <br />