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).. H. KLEINFELDER & ASSOCIATES <br /> _ File No. 20-2925-01 <br /> June 16, 1987 <br /> Page 3 <br /> obtaining relatively undisturbed soil samples for visual examination, classification and <br /> laboratory testing. Soil samples were obtained by driving a 2-inch inside diameter <br /> sampler into the soil using a 140-pound hammer falling approximately 30 inches. The <br /> number of blows required to advance the sampler are presented on the Logs of <br /> Borings, Plates III through VI, at the corresponding sample locations. <br /> SOIL CONDITIONS <br /> The soil conditions encountered at the locations explored generally consist of very <br /> stiff to hard partly cemented very sandy silt with occasional sandy clay lenses. These <br /> soils extended to the maximum depths explored and generally became more cemented <br /> with depth. <br /> No free groundwater was encountered in the borings drilled. It is possible, <br /> however, that groundwater conditions at the site could change at some time in the <br /> future due to variations in rainfall, groundwater withdrawal, construction activities, or <br /> other factors not apparent at the time our test borings were drilled. <br /> The above is a general summary of the soil and groundwater conditions <br /> encountered in the test borings drilled for this investigation. A more detailed <br /> description of the soils encountered in each boring are noted on the Logs of Borings. <br /> All soils have been classified according to the Unified Soil Classification System <br /> described on Plate II. <br /> LABORATORY TESTING <br /> Laboratory tests were performed on selected samples obtained from the exploratory <br /> borings in order to evaluate the moisture and density characteristics of the soils <br /> encountered. The tests performed consisted of Moisture Content and Dry Density <br /> Determinations. The results are noted on the Logs of Borings at the corresponding <br />