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� Bonestroo Z335 West Highway 36 • St. Paul, MN 55113 <br /> 0 Rosene Office: G51-G36-4600 • Fax: 651-636-1311 <br /> � Anderlil<& www.bonestroo.com <br /> Associ�tes <br /> Engineers&Architects <br /> February 12, 2007 <br /> Ms. Evelyn Turner <br /> Planner <br /> City of Orono <br /> Post Office Box 66 <br /> Crystal Bay, MN 55323 <br /> Re: 2590 Casco Point � <br /> File No. 000]39-07000-1 <br /> Plat No. 07-A 10663 <br /> Dear Evelyn: <br /> We have reviewed the revised �,�-ading plan for the proposed house at 2590 Casco Point, dated 2-I-07. We <br /> have the following comments with regards to engineering matters: <br /> • It appears that the proposed retaining walls near the east end of the driveway are approximately <br /> 4.5' in height. Engineered design and details should be submitted for review and approval far all <br /> retaining walls over 4' in height, and for all tiered walls with a separation of less than 2 times the <br /> wall height. <br /> • A 962 contour should be provided between the 962.5 spot elevation along the west side of the <br /> house and the proposed 960 contour line to the soutllwest of the house, and bet�veen the proposed <br /> 960 contour at the top of the driveway and the proposed 964 contour to the south of the retaining <br /> wall along the southern edge of the driveway.. <br /> If you have any questions, please call me at (651) 604-4863. <br /> Yours very truly, <br /> BONESTROO, ROSENE, ANDERLIK & ASSOCIATES, 1NC. <br /> �' <br /> /Q`� / <br /> Tom Kellogg <br /> St. Paul, St. Cloud, Rochester, MN ■ Milwaukee, WI ■ Chicago, IL <br /> Affirmative Action/Equal Opportunity Employer and Employee Owned <br />