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). H. KLEwFELoER & AssociATEs File No. S-2282-1 <br /> February 9, 1978 <br /> PAGE FOUR <br /> level at this site could vary at some time in the future due to <br /> changes in rainfall, groundwater withdrawal, construction <br /> activities or other factors not apparent at the time our borings <br /> were drilled. <br /> The above is a general summary of the soil conditions <br /> encountered in the borings drilled for this investigation. <br /> More detailed descriptions of the soils found in each boring <br /> are noted on the Logs of Borings, Plates III through VI. All <br /> soils have been classified according to the Unified Soil <br /> Classification System which is presented on Plate II. <br /> LABORATORY TESTS <br /> A series of laboratory tests were performed on selected <br /> samples of the soils encountered in the test borings . The purpose <br /> of these tests was to evaluate the strength, density and grain-size <br /> characteristics of the soils encountered. These tests include <br /> Moisture Content and Dry Density Determinations, Unconfined <br /> Compressive Strength Tests, and Grading Analysis . <br /> The results of the Moisture Content and Dry Density <br /> Determinations are noted on the Logs of Borings at the <br /> corresponding sample locations . A summary of the test results <br /> is included as Plate VII. <br /> CONCLUSIONS AND RECOMMENDATIONS <br /> Site Pre$aration <br /> Site preparation should include the removal of the existing <br /> vegetation from the construction area. The minimum recommended <br /> depth of stripping of vegetation is 2 inches . However, the <br /> actual depth of stripping required should be determined in the <br /> field during construction by representatives of J. H. Kleinfelder <br /> & Associates . After clearing the site and stripping the vegetation, <br /> the exposed soil surface within and to a minimum of 5 feet beyond <br /> all building and driveway areas should be scarified to a minimum <br />