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KiLDUFF RMR Aggregates, Inc. U N D E R G R D U N D Revisions Table-Rock Failure Analyses and Stabilization Report E N G I N E E R I N G,I N C. Mid Continent Limestone Quarry 4) Within Section 8 of the Report, it is unclear to This has been clarified in what is the Division on what KUE is defining as the now section 9. in reference to KUE recommendations to remove said layer. Earlier in the Report, KUE labels the It would appear to the Division that when referring to the �Please�have KUE provide additional clarification on whether cli the recommendation is to remove just d 5A) Under Section 6 of the Report,a long-term static Table was misnumbered and has stability analysis was conducted using the been corrected to Table 6. postmining configuration of the massive o limestone layer for varying bench slope geometries. A total of three bench slope geometries were analyzed with resulting FOS as provided in Table 4 of the Report. 0 513) However only the results from the bench slope Appendix D now includes stability geometry for 1.67:1 was provided under runs for bench geometries of 1:1, Appendix D. 1.4:1 and 1.67:1 for both static and seismic 5C) Additionally, it appears an error exists in Table 4 Appendix D is correct and the text r� for bench slope geometry of 1.67H:IV. The has been edited. resulting slope stability analysis under Appendix D shows a FOS of 1.66 while Table 4 has a FOS of 1.63. w 6A) It appears the Division that inconsistencies exist KUE has clarified throughout the with the material strength input parameters used report that the models were run within the analyses of Appendix G when using the established empirical compared to the values provided under Table 2 values for rock strength. Appendix of the Report. G values for joint strength and other joint parameters that dictate stabilization are included in Appendix G. 613) Additionally, a different failure plane angle was The slope angle has been revised in used in comparison to other analyses Appendix G from 31 to 30 degrees. provided. Parameters across the report have been corrected as necessary for consistency.