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