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i ■ <br />COFFIN & GRONBERG, INC. <br />SURVEYING. ENOINEERINO AND LAND PIANNINO <br />482«A TAMARACK AVENUE <br />long lake. MINN. 08286 <br />473-4141 <br />re <br />,}t <br />6-16-86 <br />Planning Cor.imission <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 />e^’to help eliminate runoff water collecting against the foundation wall and <br />running in his basement. In order to have positive drainage away <br />a slight slope to the lake is proposed, with the main portion the bank re­ <br />maining intact. This proposed slope would be at a more gentle slope tha <br />exists which would allow water to percolate easier into the soil. Also, the <br />existing deck near the lake would be removed to reduce hardcover and runoff <br />into the lake. <br />Durina construction, a silt fence would be installed to prevent erosion into <br />the lake, and all disturbed areas would be .'■.odded right after construction. <br />Sincerely. <br />COFFIN & GRONBERG, INC. <br />Mark S. Gronberg, P.E.‘='S L.S. <br />i;:: V'