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. , � . <br /> � PC Exhibit F ' <br /> 2335 Highway 36 W <br /> . St.Paul,MN 55113 <br /> Tel 651-636-4600 <br /> • � Fax 651-63fi-1311 <br /> � www.bonestroo.can <br /> - �u�y s, Zoo� . �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 constructetl to replace deteriorated 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 /> �d��� . . <br /> � Matthew D.lensen, PE <br /> Structural Engineer � <br /> Cc: Tom Kellogg—Bonestroo <br /> Encl. Botanize Wall Drawing <br />