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2335 Highway 36 W <br /> St.Paul,MN 55113 <br /> Tel 651-636-4600 <br /> Fax651-636-1311 <br /> www.bonestroo.com <br /> September 7, 2007 �Bonestroo <br /> Mr. Lyle Orman <br /> Building Official <br /> PO Box 66 <br /> Crystal Bay, MN 55323 <br /> Re: Timber Retaining Walls <br /> City of Orono <br /> City File: Plat 3294 �821 Casco Point Road <br /> Bonestroo File No.: 000139-07000-1 <br /> Dear Lyle, <br /> At your request, I have completed a site visit of the retaining walls at 2821 Casco Point Road on August 22, <br /> 2007. I met with the property owner and he accompanied me during my visit. According to the owner, the <br /> walls were constructed to replace deteriorated walls on the property. <br /> I reviewed the in-place timber retaining walls to determine if they were constructed according to the plan <br /> from Bontanize and if the walls showed visual problems. The walls appeared to be constructed as shown in <br /> the attached sketch. I did not observe any settfement, tilting, or major erosion during my site visit. In my \� <br /> opinion, the walls appear to be functioning as intended. ` <br /> The resident has planted many lilac bushes on the tiers between the walls, and these plantings appear to <br /> help stabilize the slopes. <br /> If you have any questions, please call me at(651)604-4835. <br /> Yours truly, <br /> BONESTR00 <br /> ��J,� <br /> �� <br /> Matt Jensen, PE <br /> Structural Engineer <br /> Cc: Tom Kellogg <br /> Encl. Botanize Wall Drawing <br /> Letter to Ms. Evelyn Turner dated July 6, 2007 <br />