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PC Exhibit C <br />2335 Hig hway 36 W <br />St. Paul , MN 55113 <br />Tel 65 1-636-4600 <br />Fax 65 1-63 6-1311 <br />www .bonestro o.com <br />January 5, 2010 <br />Ms. Melanie Curtis <br />#'eonestroo <br />Planning and Zoning Coordinator <br />City of Orono <br />Post Office Box 66 <br />Crystal Bay, MN 55323 <br />Re: 1535 Bohns Point Road <br />File No. 000139-10000-1 <br />File No. 10 -3438 <br />Dear Melanie: <br />We have reviewed the preliminary plat and grading plan for 1535 Bohns Point Road. The plat <br />and plans are dated 12-10-09. We have the following comments with regards to engineering <br />matters: <br />• We recommend considering relocating the lot line between lots 2 and 3 to the middle of <br />the lagoon. This would provide lake access for both lots and eliminate the land fragment <br />owned by lot 3. <br />• The lagoon area is considered lakeshore and not wetland. <br />• The plan should show perimeter drainage and utility easements 5-feet wide along all <br />interior lot lines or adjacent to platted property with existing easements and 10-feet wide <br />along other exterior lot lines. <br />• It appears that a new sewer connection will need to be installed across Bohns Point Road <br />for Lot 1. <br />• The grading plan shows the existing drainage patterns being maintained in the eastern <br />area of Lot 3. The Lot 3 building permit application submittal should include drainage <br />calculations showing that pre and post construction runoff rates are the same or less to <br />the south. This area drains under the driveway at 1595 Bohns Point Road and then to a <br />private pond. <br />If you have any questions, please call me at (651) 604-4894 or send an email to <br />darren.amundsen@bonestroo.com . <br />Yours very truly, <br />Darren Amundsen <br />Cc: Tom Kellogg