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SOIL TESTING SERVICES OF MINNESOTA, INC. <br />2405 ANNAPOLIS LANE SUITE 280 <br />MINNEAPOLIS, MINNESOTA 55441 612-559-1900 <br />April 29, 1977 <br />Van Eeckhout Building Company <br />1055 East Wayzata Boulevard <br />Wayzata, Minnesota 55391 <br />Attention: Mr. Jerry Finnamore STS Job No. 91002 <br />Re: Soil Percolation Test, 190 Cygnet Place, Orono, Minnesota <br />De; Sir: <br />We were retained by you to perform soil percolation tests on the above <br />referenced property. Six (6) soil percolation test locations were <br />augered to a depth of 3.0 ft. sleep on April 20, 1977. Water was <br />noted seeping into these holes on completion, and was noted to rise <br />to a depth above 0.5 feet to 2.5 feet within the percolation test <br />hole locations after 24 hours. In addition, five borings which were dug <br />to depths of 8.5 feet below the natural ground surface were filled by <br />water to within 1.5 feet of the ground level 24 hours after the completion <br />of the boring. <br />The soil encountered consisted of a surficial layer of black organic clayey <br />topsoil overlying brown sandy clay to clay-iy sand. <br />On the basis of the ground water observed, the si`e would be unacceptable <br />for an individual soil absorption disposal system since the ground water <br />level ;s less than 6.5 feet below the ground surface or les:; than 4 feet <br />below the drainfield trench as proposed. An alternative system such as <br />a mound system may be applicable at this site. A drawing showing details <br />William C. Kwasny, P.E. CHICAGO, PEORIA, ILLINOIS • WASHINGTON, D.C. • CEDAR RAPIDS-IOWA CITY, • Engineering Analysis/Reports <br />John P. Gneedinger, P.E • Construction Quality Control <br />Clyde N. Baker, P.E. DAVENPORT, UE TE, MIC, I GAN • INNE A, KANSAS • BAY CITY, DETROITGRAND • Foundation Boringsand Testing <br />James H. Overtoom, P.E. RAPIOS, MAROUETT F X, VIRGN • 9 GREEN BAIS, VIRGINIA, EE, W USA • Si.TON IN • Environmental Testing and <br />R. Eric Zimmerman, PhD., P.E MISSOUR! • FAIRFAX, VIRGINIA • GREEN BAY, MILWAUKEE, WAUSAU, WISCONSIN Evaluation g <br />R. W. Weinfurter, P.E MADRID, SPAIN • BANGKOK, THAILAND <br />