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6.3.2 SLOPE/W................................................................................ 29 <br /> 6.3.3 FLAC/Slope ............................................................................. 29 <br /> 6.3.4 Material Properties used in Stability Analyses......................... 30 <br /> 6.3.5 South Quarry ........................................................................... 31 <br /> 6.3.6 West Quarry............................................................................. 31 <br /> 7. Stability Analyses Results.......................................................................... 32 <br /> 7.1 Kinematic Analyses ............................................................................. 32 <br /> 7.1.1 South Quarry Kinematic Analyses........................................... 32 <br /> 7.1.2 West Quarry Kinematic Analyses ............................................ 36 <br /> 7.2 Slope Stability Analyses....................................................................... 36 <br /> 7.2.1 South Quarry ........................................................................... 36 <br /> 7.2.2 West Quarry Global Stability Analyses .................................... 38 <br /> 8. Recommendations......................................................................................40 <br /> 8.1 Highwall Recommendations ................................................................ 40 <br /> 8.1.1 Recommendations for Rock Mass Stability ............................. 40 <br /> 8.1.2 Recommendations for Kinematic Stability ............................... 41 <br /> 8.2 Rock Cut Highwall Performance Monitoring Recommendations.......... 42 <br /> 8.2.1 Visual Inspection Monitoring.................................................... 43 <br /> 8.2.2 Survey Monitoring.................................................................... 43 <br /> 8.3 Highwall Reclamation Recommendations............................................ 44 <br /> 9. Limitations...................................................................................................45 <br /> 10. References...................................................................................................46 <br /> List of Figures in Text <br /> Figure 2-1. Stereonet plots showing poles to planes with average joint set windows for the South <br /> Quarry (upper)and West Quarry (lower). <br /> Figure 5-1. Hoek-Brown Failure Criterion for local stability (left) and global stability (right). <br /> Figure 5-2. Histogram showing distribution of low and high low RMR ranges measured in the active <br /> South Quarry as observed in the annual highwall inspections for the years between <br /> 2013 and 2019. <br /> Figure 5-3. Histogram showing the distribution of RQD measurements as measured in rock cores <br /> from the South Quarry. <br /> Figure 5-4. Excerpt from Hoek-Brown (1988)where rock mass parameters are compared using the <br /> different methods discussed in this section. The inset on the right summarizes the input <br /> parameters selected for Morrison Quarry <br /> Figure 6-1. Plan view showing the proposed mine configuration for the South and West Quarry's, <br /> with thick red and blue lines showing the highwall orientations evaluated in the kinematic <br /> analyses. The contour shading shown represents the mining phase operations as noted. <br /> ii <br /> Aggregate Industries—Morrison Quarry GEI Consultants, Inc. <br /> AM-07 Geotechnical Stability Exhibit November 2020 <br />