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�qpE GEOTECHNICAL �NC• <br /> _ Job No. 9207-0SG <br /> August 6, 1992 <br /> piGs 1 through 4. <br /> C+�m3nd Water <br /> Ground water was not observed in any of the test pits; however, the mottled soils observed in <br /> cest pit 1 suggest a fluctuating water table that, in periods off wet wcather, may rise to a height <br /> ; of just 3 feet from the surfacc. Standing water, saepinB springs, and sah,.rated soils were <br /> __ oby�erved in the marshy basin area, some thirty feet(topoBraPh►ca1�Y)b�low the plateau builoing <br /> , area. <br /> � SLOPE STABILITY <br /> W <br /> -, �� <br /> Based on the soil paramaters deten"ined durin6 the subsurface investigation, we have analyud <br /> -- the stability of the natural slope for building purposes• Our engineering analysis inco►'porated <br /> —� the Simplified Bishop Method for slope stability, and related computer modeling. <br /> , � ' <br /> � In its current configuriiion,the slope with uncontrotled fill at the top, is moderately stable under <br /> '-' normalload condirions, and mazginally stable with respect to surficial failures under earthquake <br /> � conditions. The site, as it is now, is stable against deep failures, both wich and �a�chout <br /> — eyrthquake loads. <br /> J PRELIMINARY CONCLUSIONS & RECONIMENDATIONS <br /> S ,it� abilitv <br /> The lot is suitable for development, if our recommendations are followed. <br /> 4 <br />