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Les Rascob Construction Company <br />14816 County Road 6 . <br />Minneapolis, Minnesota 55441 <br />SOIL TESTING SERVICES OF MINNESOTA, INC. <br />2405 ANNAPOLIS LANE SUITE 280 <br />MINNEAPOLIS, MINNESOTA 55441 612-559-1900 <br />October 27, 1976 <br />S.T.S. Job No: 9C849 <br />Re: Soil Percolation Test - Block 1, Lot 1 of Chippewa Second Addition, Orono, <br />Minnesota. <br />Dear Sir: <br />We were retained by you to perform soil percolation tests at the above <br />property (see Drawing No. 1 attached). The tests were performed on October 15, <br />1976. The procedure was in accordance with the methods designated by the Minnesota <br />Department of Health, 1971, and somehwat modified our engineering judgement. <br />The attached log sheet indicates the observed percolation rates at each of <br />the test holes (P-1 through P-6). The observed percolation rates at each of the <br />test holes was within the maximum allowable rate of 60 minutes per inch, as recom- <br />mended by the Minnesota Department of Health. Based on these observations, the in- <br />stallation of an individual soil absorption system will be acceptable in the area <br />tested. <br />In addition to the above percolation test holes, one test boring B-1 was <br />drilled to a depth of 10 feet below the existing ground surface to determine if the <br />water table is less than that depth. According to the readings listed below, it <br />Is our opinion that the level of the long term ground water table was located at <br />a depth greater than 10 feet below the existing ground surface at the time of <br />testing. <br />wiltloo C. Kw«nv, P.E <br />John P. Giss"rpsr, P E <br />Cvo N "Or. ►.E <br />Jones M. Dvttoom. P.E. <br />"Eric Zamrra•rn+on, MD , VEit W Winfurtef, P E <br />• Engineering Analysis/ Reports <br />• Construction Quality Control <br />• Foundation Bonne and Testing <br />• Environmental Testing end <br />Evaluation <br />