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, �. <br /> � 2335 Highway 36 W <br /> i St.Paul,MN 55113 <br /> Te1651-636-4600 <br /> Fa�c 651-636-1311 <br /> www.bonestroo.cam <br /> ���Y z�, zo�o �Bonestroo <br /> Evelyn Turner <br /> Planner <br /> City of Orono <br /> Post O�ce Box 66 <br /> Crystal Bay, MN 55323 <br /> Re: 1820 Fox Street <br /> File No. 000139-10000-2 <br /> Dear Evelyn: <br /> We have reviewed the plan for grading activities at 1820 Fox Street. The plan is dated 8-6-09. <br /> We have the following comments with regards to engineering matters: <br /> • The current plan shows a maximum grade of 12.87% on the driveway with a 25'landing <br /> area at 3% at Fox Street. The city generally recommends a maximum 10% driveway <br /> slope and a landing area of at least 50'at 2%. It appears that in order to construct a <br /> driveway that meets the City recommendations, extensive tree removal will be necessary. <br /> The proposed driveway grades appear to be a reasonable compromise to minimize tree <br /> loss. <br /> .� • Erosion and Sediment Control BMPs should be shown on the plan and should conform to <br /> Orono City Standard Details. <br /> • Engineered design and details should be submitted for review for all retaining walls over <br /> 4' in height. <br /> • Based on a 30 MPH posted speed limit, the sight distance for the proposed driveway <br /> location appears to be acceptable. <br /> If you have any questions, please call me at(651) 604-4863 or send an email to <br /> tom.kelloggC�bonestroo.com. <br /> Yours very truly, <br /> __----- -'� <br /> /� � <br /> Tom Kellogg <br /> Cc: Melanie Curtis <br />