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1.36 <br /> 40 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: 900 <br /> Intermediate Bench Width: 50 ft <br /> 7,300 Material Properties: <br /> y = 160 pcf <br /> 7,100 c` = 64.2 psi = 9245 psf <br /> ao <br /> 00 <br /> 0 <br /> > 6,900 <br /> Z <br /> 6,700 — <br /> O <br /> 6,500 '- <br /> N <br /> LLI 6,300 <br /> 6,100 -- <br /> 5,900 I� <br /> 5,700 _-- — - <br /> -1,200 -700 -200 300 800 1,300 1,800 2,300 <br /> Horizontal Distance (ft) <br /> Notes: Morrison Quarry Case 4 <br /> 1. The Factor of Safety(FS)value shown is for the 1 <br /> critical failure surface. South Quarry County <br /> CO11 Proposed Benching <br /> Jefferson County, C Stability Results <br /> GE I Consultants <br /> Aggregate Industries June 2017 Figure B-4 <br />