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1.47 <br /> • <br /> 7,700 Configuration: <br /> Bench Height above El. 7000: 40 ft <br /> Bench Width above El. 7000: 40 ft <br /> 7,500 - Bench Height below El. 7000: 70 ft <br /> Bench Width below El. 7000: 30 ft <br /> Bench Face Angle: 900 <br /> 7,300 - Stability Bench at El. 6650 <br /> Stability Bench Width: 100 ft <br /> 7,100 - Material Properties: <br /> 00 y = 160 pcf <br /> 00 c' = 64.2 psi - 9245 sf <br /> � P - p <br /> Q6,900 - V =21.80 <br /> Z <br /> v 6,700 — <br /> C <br /> O <br /> 6,500 <br /> N <br /> W 6,300 <br /> 6,100 <br /> 5,900 <br /> 5,700 --- -- 1---_ - - - - - -_—� ---- - - - <br /> -1,200 -700 -200 300 800 1,300 1,800 2,300 <br /> Horizontal Distance (ft) <br /> Notes: <br /> Morrison Quarry Case 14 <br /> 1. The Factor of Safety(FS)value shown is for the % <br /> critical failure surface. South Quarry County, <br /> CO11 <br /> Jefferson County, C Proposed Benching <br /> Stability Results <br /> GE Consultants <br /> Aggregate Industries June 2017 Figure B-14 <br />