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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />November 29,2006 <br />Project 06-507B <br />2007 Street Reconstruction <br />Deerfield 3n1 Addition Improvements <br />Elk River, Minnesota <br /> <br />The rest of the borings encountered silty sand (8M) from below the pavement to <br />termination. Most of the soil encountered in the shallow borings was likely fill. No <br />organic soils or other unsuitable material was encountered. <br /> <br />Penetration Test Results: . <br />The blow counts in the sand soils ranged from 3 to 29, which are low to high, indicating <br />they are in a loose to very dense condition. Refusal of the spoon or auger did not occur in <br />any of the borings and the drilling was relatively easy in the all of the borings. <br /> <br />Water Level Observations: <br /> <br />. __ __u.u. _ _ __ _ __ ____ _._ _ ____ __ _ _ _______ <br /> <br />Observations of the subsurface water conditions were made during drilling operations. <br />Groundwater was not encountered in any of the borings during drilling. Although the water <br />levels were observed over a short period of time, we feel they are an accurate <br />representation of the water levels on this site at the time of our exploration because of their <br />high permeability. It should be noted that fluctuations in the level of the groundwater can <br />occur due to variations in rainfall, temperature, spring thaw and other factors not evident at <br />the time of our investigation. <br /> <br />Mottled soils were not observed. Mottled soils are a historical indication of a temporarily <br />or seasonally saturated soil condition. Grey soils were also not observed. Grey soils are an <br />indication of a permanently saturated soil condition. <br /> <br />Page 4 <br />