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PC Exhibit D <br /> �"r� , Stantec Consulting Services Inc. . <br /> 2335 Highway 36 West <br /> St. Paul MN 55113 <br /> �`''1� Tel: (651)636-4600 • <br /> Fax:(651)636-1311 <br /> $�11�C �Bonestroo <br /> October 28, 2011 <br /> Melanie Curtis <br /> Planning &Zoning Coordinator <br /> City of Orono <br /> Post Office Box 66 <br /> Crystal Bay, MN 55323 <br /> Re: 4550 Wolverton Place <br /> File No. 000139-11000-1 (Stantec No. 193800284) <br /> Plat No. 11-3531 <br /> °Dear Melanie: � �� <br /> We have reviewed the survey for the proposed subdivision at 4550 Wolverton Place.The survey is dated 10- <br /> 28-11. We have the following comments with regards to engineering matters: <br /> • The city should request d�ainage and utility easements 5-feet wide along all interior lot lines and lot <br /> lines adjacent to platted property. Ten foot wide easements should be shown along exterior lot lines <br /> adjacent to unplatted properties. <br /> • The plan shows a wetland along the north lot line and Wolverton Place. The city wetland map shows <br /> a Manage 2 wetland along the north lot line and no record of the roadside wetland. The north <br /> wetland needs to be buffered according to city ordinance. If the wetland along the road is incidental <br /> according to the watershed, no buffers would be required. If the roadside wetland is not incidental, <br /> the wetland must be typed using MnRAM to determine the buffer width. <br /> • Grading associated with the proposed driveway should be included in the plans. We recommend at <br /> least 50 feet of no steeper than 2% grade at the roadway and no steeper than 10%for the remainder <br /> of the driveway. <br /> If you have any questions, please contact me at(651) 604-4894 or darren.amundsen(a�stantec.com. <br /> Sincerely, <br /> , Stantec <br /> �— . 1 . <br /> Darren Amundsen <br /> Cc: Chris Mattson <br />