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Page 2 <br /> QCI # 1-87-055 <br /> FIELD EXPLORATION AND INVESTIGATION <br /> The field exploration and testing was performed on March <br /> 6 , 8 , and 9 , 1987 . <br /> The test borings were made at the subject project site . <br /> Our investigation included the boring, testing, examin- <br /> ation and classification of soils from the three borings . The <br /> borings were made by use of flight-auger drilling equipment , <br /> under the direction of our field engineering staff , which main- <br /> tained a continuous log of the soils encountered . <br /> SUBSURFACE SOIL CONDITIONS <br /> The exploratory borings and percolation test results dis- <br /> closed that a permeable stratum of soil exists both vertically <br />' and laterally at depths of 42 inches in test sites , P-1 and P-2 . <br /> In the area of these borings and test sites assuming that <br /> conditions between the test borings and sites are equal to <br /> or better than those encountered during our investigation , the <br /> strata encountered should be adequate to absorb and transmit <br /> water for drainage . <br /> Subsurface soils are moderate in composition, and gener- <br /> ally consist of silty sands , to clayey sandy silts . <br /> The above represents a very general outline of the soil <br /> conditions encountered during our investigation. A more detailed <br /> description of the soils profiles for each test boring and site <br /> are presented in the "Logs of Borings" which follow the site- <br /> map at the conclusion of this report . All soils have been clas- <br /> sified in accordance with the Unified Soil Classification System <br /> for which a standardized chart has been presented for reference. <br /> 0;> Q­11ty C-trol Inspection <br />