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2335 Highway 36 W <br /> St.Paul,MN 55113 <br /> � Tel 651-636-4600 <br /> Fax 651-636-1311 <br /> www.bonestroo.com <br /> #'Bonestroo <br /> May 11, 2007 <br /> Ms. Evelyn Turner <br /> Planner <br /> City of Orono <br /> Post Office Box 66 <br /> Crystal Bay, MN 55323 <br /> Re: 3605 North Shore Drive <br /> File No. 000139-07000-1 <br /> Grading Plan for Building Permit <br /> Dear Evelyn: <br /> We have reviewed the revised grading plan for the proposed house at 3605 North Shore Drive dated 5-9- <br /> 07.We have the following comments with regartls to engineering matters: <br /> • The slope on the downstream half of the swale to the west of the house is approximately 1.2%. eN/��� <br /> The proposed 933 contour should be adjusted to the south such that the swale has a slope of at �,.�� <br /> least 2%. S <br /> • Grading on this site is driven by the fact that the applicant is proposing to raise the top of block <br /> approximately 0.7', and the adjacent ground elevations up to 1.6'. In order to retain runoff on the <br /> subject property, the applicant is proposing to grade swales along both the east antl west property <br /> . <br /> lines. While the proposed swales will contain runoff on the subject property, a significant amount n� b�'aL <br /> of grading will occur in the 0-75' setback. The City should review this matter and determine if the iss 5�,��� <br /> proposed grading is acceptable. CP^� ���� <br /> y,��qe! <br /> If you have any questions, please call me at(651) 604-4894. � �(oe� <br /> I�� d'j°�� <br /> Yours very truly, N��� 1L <br /> �uw ti <br /> c <br /> BONESTR00 <br /> � � <br /> Darren Amundsen <br /> Cc: Tom Kellogg <br />