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t <br />V - <br />SOIL TESTING SERVICES OF MINNESOTA, INC. <br />2405 ANNAPOLIS LANE SUITE 280 <br />MINNEAPOLIS. MINNESOTA 55441 PHONE 612-559*1900 <br />October 17, 1977 <br />McNulty Construction Company <br />609 2nd Avenue South <br />Suite 800 <br />Minneapolis, Minnesota 55^02 <br />Attention: Mr. Richard Stover STS Job No. 91201 <br />Re: Soil Percolation Test, Tract E, as Shown on Registered Land Survey No. 1358, <br />Maxwell Bay, Orono, Minnesota. <br />Gentlemen: <br />We were requested by you to perform soil percolation tests at the above refer­ <br />enced property (see attached sketch). The tests were performed on October 14, 1977» <br />The procedure was performed in accordance with the methods designated by the Minne­ <br />sota Department of Health, 1971. The attached log sheet indicates the observed <br />percolation rates at each of the test holes (P-1 through P-6). The observed perc­ <br />olation rates at five of the test holes (P-1 through P-3, P“5, P“6), were within <br />the maximum allowable rate of 60 minutes per Inch, as recommended by the Minnesota <br />Department of Health. Basea on these observations, the installation of an individual <br />soil absorption system will be acceptable in this portion of the area tested. <br />In addition to the above percolation test holes, one (l) test boring was <br />drilled to a depth of 8.0 feet. It is our opinion that the level of the ground <br />water table at the time of testing v/as below that depth. <br />Fluctuations in the water level may occur over a wi'^ range, depending upon <br />the amounts of precipitation, evaporation, surface runoff, and infiltration, which <br />will vary with seasonal changes. <br />William C. Kwasny. P.E. <br />John P. Gnaedinger. P.E. <br />Clyde N. Baker. P.E. <br />James H Overtoom, P.E. <br />R. Eric Zimmerman. Ph.D., P.E. <br />William M. Perpich. P.E. <br />CHICAQO, PEORIA, ROCKFORD, ILLINOIS • WASHINGTON, D.C. • CEDAR RAPIDS, <br />DAVENPORT, DES MOINES, IOWA • KANSAS CITY, WICHITA, KANSAS • BAY CITY, <br />DETROIT, GRAND RAPIDS, MARQUETTE, MICHIGAN • MINNEAPOLIS, VIRGINIA, <br />MINNESOTA • BISMARK, GRAND FORKS, NORTH DAKOTA • FAIRFAX, VIRGINIA <br />GREEN BAY, MILWAUKEE, WAUSAU, WISCONSIN • MADRID, SPAIN • JEDDAH, <br />SAUDI ARABIA <br />• Engineering Analysis/Reports <br />• Construction Quality Control <br />• Foundation Borings and Testing <br />• Environmental Testing and <br />Evaluation