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PC Exhibit G <br />2335 Highway 36 W <br />St Pa ul , MN 55113 <br />Tel 651-636-4600 <br />Fax 651-636-1311 <br />www .bonestroo .co m <br />November 2, 2009 <br />Ms . Melanie Curtis <br />-#'eonestroo <br />Planning and Zoning Coordinator <br />City of Orono <br />Post Office Box 66 <br />Crystal Bay, MN 55323 <br />Re: 650 Big Island <br />File No. 000139-09000-1 <br />File No. 09-3425 <br />Dear Melanie: <br />We have reviewed the as-built plans for the new stairs, retaining walls, and patio area at 650 Big <br />Island. The plan is dated 10-9-09. We have the following comments with regards to engineering <br />matters: <br />• The newly constructed retaining wall is greater than four feet high near the stairs. The <br />owner should be required to have a professional engineer licensed in the State of <br />Minnesota certify that the wall has been constructed to all applicable engineering design <br />standards. <br />• The newly constructed landing and rip rap area is comparable in size to the original sea <br />wall and decking that was removed. <br />If you have any questions, please call me at (651) 604-4894 or send an email to <br />darren.amundsen@bonestroo.com . <br />Yours very truly, <br />Darren Amundsen <br />Cc: Tom Kellogg