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1.29 <br /> 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 -- Bench Face Angle: 90' <br /> Intermediate Bench Width: 30 ft <br /> i <br /> 7,300 Material Properties: <br /> y = 160 pcf <br /> c' = 64.2 psi = 9245 psf <br /> 7,100 cp' = 21.8° <br /> 0 <br /> 00 <br /> > 6,900I <br /> Q <br /> Z <br /> `. <br /> 6,700 <br /> C <br /> O <br /> 6,500 <br /> _N <br /> LU 6,300 f <br /> 6,100 — <br /> 5,900 - <br /> 5,700 i_--- ---- - -- - ---- - - � -- - - - - - - J <br /> -1,200 -700 -200 300 800 1,300 1,800 2,300 <br /> Horizontal Distance ft <br /> Notes: <br /> Morrison Quarry Case 8 <br /> 1.The Factor of Safety(FS)value shown is for the <br /> critical failure surface. South Quarry County, <br /> CO11 Proposed Benching <br /> 1 <br /> Jefferson County, C F Stability Results <br /> G `I Aggregate Industries Consultants June2017 Figure B-8 <br />