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2335 Highway 36 W <br /> St Paul,MN 55113 <br /> Tel 651-636-4600 <br /> c Fax 651-636-1311 <br /> �G���`��F��� <br /> www.bonestroo com <br /> �E� � 01Ui�� <br /> CITYpF � Bonestroo <br /> February 22, 2008 �ROt�� <br /> Ms. Evelyn Turner <br /> Planner <br /> City of Orono <br /> Post Office Box 66 <br /> Crystal Bay, MN 55323 <br /> Re: 3240 Graham Hill Road <br /> �.� ,.�. ., 13g-ngnnQ-2 <br /> Building Permit A11874 <br /> Dear Evelyn: <br /> We have reviewed the building permit survey prepared by Demars-Gabriel, Inc. dated 2-19-08 for the <br /> proposed house construction at 3240 Graham Hill Road. We have the following preliminary comments with <br /> regards to engineering matters: <br /> • The overall proposed grading appears to be acceptable however the grades away from the rear <br /> yard walkout are less than 1% and should be revised to provide positive drainage away from the <br /> house. The grading plan should be revised to provide at least a 2% grade away from the house at <br /> all points around the perimeter to ensure drainage away from the house. <br /> • The proposed erosion control should be installed prior to any work on site. <br /> • The proposed driveway culvert materials and grade should be reviewed and approved by Don <br /> DeBaere with Orono Public Works prior to issuance of the building permit. <br /> If you have any questions please call me at(651) 604-4894. <br /> Yours very truly, <br /> BONESTR00 <br /> � . i . <br /> Darren Amundsen <br /> Cc: Tom Kellogg <br />