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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 /> ���Y z3, zoo� �"Bnnesfroo <br /> Ms. Melanie Curtis <br /> Planner <br /> City of Orono <br /> Post Office Box 66 <br /> Crystal Bay, MN 55323 <br /> Re: 1200 Old Crystal Bay Rd <br /> File No. 000139-07000-1 <br /> Plat No. 07-3307 <br /> Dear Melanie: <br /> We have reviewed the plans for 1200 Old Crystal Bay Rd dated 7-11-07 from Lan-De-Con. This is for an <br /> after the fact Conditional Use Permit to modify the pond on the property. We have the following comments <br /> with regards to engineering matters: <br /> • The submittal included an as-built survey dated 7-16-07. The contours shown along the lot lines <br /> on the 7-11-07 design plans do not match the submitted as-built plan. Generally, the proposed <br /> contours are higher than the as-built contours generating a concern of the need to create steeper <br /> than allowed slopes or grade across lot lines. This needs to be resolved. <br /> • The design plans show 2:1 slopes on the downhill side of the pond. These grades must be <br /> modified to 3:1, <br /> • The design plans should show contours below the 10:1 bench showing the overall depth of the <br /> pond. <br /> If you have any questions, please call me at(651)604-4894. <br /> Yours very truly, <br /> BONESTR00 <br /> ����_� <br /> Darren Amundsen <br /> cc:Tom Kellogg <br />