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1 Water surface (s) have been specified <br /> Unit weight of water = 62 .40 (pcf) <br /> Water Surface No. 1 specified by 5 coordinate points <br /> PHREATIC SURFACE, <br /> Point x-water y-water <br /> No. (ft) (ft) <br /> 1 .00 4810 .00 <br /> 2 99.60 4810 .50 <br /> 3 120.00 4813 .00 <br /> 4 150 .00 4815 .00 <br /> 5 220 .00 4819.00 <br /> A horizontal earthquake loading coefficient <br /> of . 096 has been assigned <br /> A vertical earthquake loading coefficient <br /> of .000 has been assigned <br /> A critical failure surface searching method, using a <br /> random <br /> technique for generating CIRCULAR surfaces has been <br /> specified. <br /> 400 trial surfaces will be generated and analyzed. <br /> 20 Surfaces initiate from each of 20 points equally <br /> spaced <br /> along the ground surface between x = 80 .0 ft <br /> and x = 105.0 ft <br /> Each surface terminates between x = 162 .0 ft <br /> and x = 186.0 ft <br /> Unless further limitations were imposed, the minimum <br /> elevation <br /> at which a surface extends is y = 4800.0 ft <br /> 3 <br />