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<br />SP86-009 <br />Printing Enterprises, Inc. <br /> <br />- 3 - <br /> <br />March 24, '1986 <br /> <br />Manual Description of Soils". A chart explaining the Unified <br />Soil Classification System is attached. Samples were sealed in <br />glass bottles and returned to our laboratory for verification of <br />the field classifications by an Engineering Assistant. <br />Representa t i ve samples will be retained in our St. Paul office <br />for a period of 60 days to be available for examination. <br /> <br />A.6. Ground Water Measurements: Immediately after taking the <br />final sample in the bottom of the borings the bore holes were <br />probed through the hollow-stem auger to check for the presence of <br />ground water. Immediately after wi thdrawal of the auger, the <br />bore holes were again probed and the depth to water or cave-in <br />was noted. The borings were then backfilled prior to leaving the <br />site. <br /> <br />B. RESULTS <br /> <br />B.1. Logs: Log of Boring sheets indicating the depth and iden- <br />tification of the various soil strata, penetration resistances, <br />and water level information are attached. It should be noted <br />that the depths shown as boundaries between the strata are only <br />approximate. The actual change may be more of a transi tion and <br />the depth of change likely varies horizontally. <br /> <br />. B. 2. Soils Encountered: The penetrat ion test bor ings taken in <br />the proposed building area encountered varying amounts of fill <br />and swamp deposits overlying glacial outwash and till to the ter- <br />mination depth of the borings. In the northwest and central por- <br />tion of the proposed building area, the borings encountered up to <br />23 feet of existing fill (silty clayey sand, clayey sand, and <br />silty sand) and swamp deposits (peat). Significantly less (1 to <br /> <br />lORIIUD'j <br />