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ME <br />COMBS-KNUTSON ASSOCIATES, IN <br />CONSULTING ENGINEERS N LAND SURVEYORS • SITE PLANNERS <br />November 3, 1975 <br />Mr. Hank Muhich <br />Zoning Administrator <br />City of Orono <br />P.O. Box 66 <br />Crystal Bay, Minnesota 55323 <br />Subject: On -Site Disposal System <br />Lot 4, Block 1, Riedel Company's <br />Stubbs' Bay Addition <br />Dear Hank: <br />We have reviewed the proposed on -site sanitary disposal <br />system for Vincent Bernhardt's on the subject lot, as pre- <br />pared by Eugene A. Hickok and Associates. We concur with <br />their recommendations and we recommend your approval, subject <br />to one change. The proposal recommends a 3 foot wide trench. <br />The standards suggest that a 3 foot wide trench has an effective <br />bottom area of only 2.5 feet. This would result in a require- <br />ment of 400 linear feet of the in lieu of the 333 feet proposed. <br />This would mean that 4 lines, 100 feet long, are required. With <br />this change, we recommend your approval of the subject project. <br />If you have any questions, please do not hesitate to contact <br />US. <br />Very truly yours, <br />McCOMBS-KNUTSON ASSOCIATES, INC. <br />Willi4m H. McCombs, P.E. <br />WHM:1as <br />cc: Philip J. Pins <br />Hickok and Associates <br />12805 OLSON MEMORIAL HIGHWAY, MINNEAP^LIS. MINNESOTA 55"1 TELEPHONE (612) 559-3700 <br />36 NORTH MAIN STREET, HUTCHINSON, MINNESOTA 55350 TELEPHONE (612) 879-8029 <br />SOUTHWEST ENGINEERING DIVISION, MARSHALL, MINNESOTA 56258 TELEPHONE (507) 532-5820 <br />