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The first segment of each failure surface will be <br /> inclined <br /> within the angular range defined by <br /> Lower angular limit -45.0 degrees <br /> Upper angular limit -5 .0 degrees <br /> Factors of safety have been calculated by the <br /> * * * * * SIMPLIFIED BISHOP METHOD * * * <br /> The most critical circular failure surface <br /> is specified by 10 coordinate points <br /> Point x-surf y-surf <br /> No. (ft) (ft) <br /> 1 95.79 4809.48 <br /> 2 102.75 4808 .75 <br /> 3 109.75 4808 .66 <br /> 4 116.73 4809.24 <br /> 5 123 .62 4810 .47 <br /> 6 130 .36 4812 .34 <br /> 7 136. 90 4814 .83 <br /> 8 143 .18 4817.93 <br /> 9 149.14 4821.60 <br /> 10 151.99 4823 .74 <br /> **** Simplified BISHOP FOS = 1.497 **** <br /> The following is a summary of the TEN most critical <br /> surfaces <br /> Problem Description : Vogl Cell 1 Sec F Seismic <br /> FOS Circle Center Radius Initial <br /> Terminal Resisting <br /> (BISHOP) x-coord y-coord x-coord x- <br /> coord Moment <br /> (ft) (ft) (ft) (ft) <br /> 4 <br />