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!� 4 SUBSURFACE CONDITIONS <br /> 4.1S011 <br /> The soils at the site consist primarily of clayey sands and clean sands, <br /> with occasional lenses of clay and silt. Since the soil boring was drilled <br /> 7. through the excavation, gravel fill was encountered to a depth of 16.5 feet. <br /> Sands were encountered from 16.5 to 76 feet, with one sandy clay <br /> interbed at a depth of approximately 53 to 58 feet. <br /> 4.2 Ground Water <br /> Ground water was first encountered approximately 68 feet below the <br /> ground surface, and the static water level is approximately 58 feet below <br /> the ground surface. Based upon ENICON's knowledge of the area and on <br /> ` topographic information, the ground-water flow direction is probably <br /> toward the south-southwest. <br /> pig1g051g050191d 6 Rev.o July 2, 1991 <br /> • mon Associates <br />