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2335 Highway 36 W <br /> St.Paul,MN 55113 <br /> Te1651-636-4600 <br /> Fax 651-636-1311 <br /> www.bonestroo.com <br /> July 6, 200� �Bonestroo <br /> Ms. Evelyn Turner <br /> Planner <br /> PO Box 66 <br /> Crystal Bay, MN 55323 <br /> Re: Timber Retaining Walls- 2821 Casco Point Road <br /> City of Orono <br /> Bonestroo File No.: 000139-07000-1 <br /> Dear Evelyn, <br /> I have reviewed the information submitted for the timber retaining walls at 2821 Casco Point Road. The <br /> walls were constructed to replace tleteriorated walls on the property. <br /> After phone discussions with the retaining wall contractor, we believe the walls were constructed using <br /> typical timber wall construction practices. The walls are approximately four feet tall and are supported with <br /> timber"deadmen"at reasonably spaced intervals. Also, the contractor states that drainage was provided <br /> behind the wall. We believe this is an adequate installation. <br /> Since no design drawings or calculations were submitted prior to wall construction,we did not conduct an <br /> engineering review. Bonestroo does not assume any liability for these walls. <br /> If you have any questions, please call me at(651) 604-4835. <br /> Sincerely, <br /> BONESTR00 <br /> �� <br /> Matthew D.Jensen, PE <br /> Structural Engineer <br /> Cc: Tom Kellogg—Bonestroo <br /> Encl. Botanize Wall Drawing <br />