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* > <br />COFFIN & GRONBERG, INC. <br />SURVEYING. ENGINEERING AND LAND PLANNING <br />482-A TAMARACK AVENUE <br />LONG LAKE. MINN. 65356 <br />•• • <br />C4AJr A--T- <br />^ - s>c» <br />473.4141 <br />6-16-86 <br />Planning Commission <br />City of Orono <br />P.O. Box 66 <br />Crystal Bay, MN 55323 <br />Re: John Busse Property <br />Grading & Drainage Plan <br />Mr. Busse desires to create a walkout toward the lakeside of his house in ord­ <br />er to help eliminate runoff water collecting against the foundation wall and <br />I basement In order to have positive drainage away ??om the hlse <br />a slight slope to pe lake is proposed, with the main portion of the bank re- <br />,P''0P0sed slope would be at a more gentle slope than nL <br />exists which would allow water to percolate easier into the soil Also thp <br />inirthe lake removed to reduce hardcover’and runoff <br />During construction, a Silt fence would be Installed to prevent erosion into <br />the lake, and all disturbed areas would be sodded right after construction. <br />Sincerely. <br />COFFIN & GRONBERG. INC. <br />Mark S. Gronberg, P.E.«^S L.S.