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1.36 <br /> 0 Configuration: <br /> Bench Height above El. 7000: 40 ft <br /> 7,700 Bench Width above El. 7000: 40 ft <br /> Bench Height below El. 7000: 70 ft <br /> Bench Width below El. 7000: 30 ft <br /> 7,500 <br /> Bench Face Angle: 90' <br /> } Intermediate Bench Width: 50 ft <br /> 7,300 X' ` <br /> r Material Properties: <br /> t y = 164 pcf <br /> 7 100 c` = 284.7 psi = 40995 psf <br /> 6 <br /> 00 <br /> > 6,900 <br /> Q <br /> Z <br /> 6,700 <br /> c <br /> O <br /> 6,500 <br /> N <br /> W 6,300 <br /> 6,100 �- <br /> 5,9W <br /> 5,700 ----- -- - -- -1 -- -- —� -- --- -� - - - - <br /> -1,200 -700 -200 300 800 1,300 1,800 2,300 <br /> Horizontal Distance (ft) <br /> Notes: Morrison Quarry Case 3-1 <br /> 1.The Factor of Safety(FS)value shown is for the <br /> critical failure surface. South Quarry Highwall Proposed Benching <br /> Jefferson County, CO GEl <br /> Sensitivity Analysis Results Consultants <br /> Aggregate Industries June 2017 Figure B-19 <br />