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A-- 1 F1_E 382- 063-00 APPENDIX A FIELD�MD AND LABORATORY INVESTIGATIONS Field Investigation The f i.eld investigation consisted of a surface reconnaissance and a subsurface exploratory program. On July 20 , S'eptomber 8 , and October 13 ; 14 , 15 and 18 , 1 982 , e-leven 6- inch exploratory borings were. advanced. The. boring. and test pit locations are shown on Drawing 1 . The test pits its wereadvanced on October 21, and November 4 , 1982 . The soils encountered were logged in the field during the exploration and with-h supplementar.-y laboratory test data are described in accordance with the Unified Soil Classification System. A mod.if ted standard penetration test was- performed at selected dept.hs . This test represents the resistan-ce to driving a 2 1/2- inch diameter core barrel. The driving energy was provided by a hammer weighing 140 pounds failing 30. inches . Relatively Aft'i undisturbed soil samples were obtained while. performing this test . Bag samples of the disturbed soil were obtained from the auger ' cuttings. All samples were returned. to our Fresno .laboratory for evaluation . Laboratory Investigation The laboratory investigation was programmed to determine the physical and mechanical properties of the foundation- soil 'underlying the site . Test results were used as criteria for determining the, engine.ering suitability of the surface and subsurface materials encountered. In density., direct shear and - situ moisture content, dry consolidation. tests were determined for the undisturbed samples representative of the s-ubsurface material . These tests , supplemented by our visual observation, comprised the basis for our evaluation of the site material. The logs of the exploratory borings and laboratory determinations are presented in this Appendix. I he Fowidadon Engineci-s, hic.