2016-07-01_REVISION - M1977141 ‎(2)‎

• Permit No: M1977141
• IBM Index Class Name: Revision
• Doc Date: 7/1/2016
• Doc Name: Engineering Stability Analysis
• From: Aggregate Industries
• To: DRMS
• Email Name: MAC
• Media Type: D
• Archive: No

6.4.1 Sliding Block Analyses.................................................................. 28
6.4.2 Rock Mass Stability Analyses ....................................................... 29
6.5 ROCK FALL HAZARD ANALYSIS........................................................... 30
6.6 ROCKFALL ANALYSIS FOR SLOPE – UNBENCHED FOUNTAIN
FORMATION........................................................................................... 30
6.7 ROCKFALL ANALYSIS – BENCHES IN THE FOUNTAIN FORMATION 31
7 CONCLUSIONS................................................................................................. 32
7.1 STABILITY............................................................................................... 32
7.1.1 Slope Template I........................................................................... 32
7.1.2 Slope Template II.......................................................................... 33
7.2 RELIABILITY ........................................................................................... 33
7.2.1 General ......................................................................................... 33
7.2.2 Uncertainties in the Durability Analysis ......................................... 33
7.2.3 Uncertainties in the Kinematic Analysis ........................................ 34
7.2.4 Uncertainties in the Rock Block Wedge Analysis.......................... 34
7.2.5 Uncertainties in the Sliding Block Analysis.................................... 34
7.2.6 Uncertainties in the Rock Mass Stability Analysis......................... 34
7.2.7 Uncertainties in the Rockfall Analysis ........................................... 34
7.3 CONSEQUENCES OF FAILURE ............................................................ 35
8 RECOMMENDATIONS...................................................................................... 36
8.1 SLOPE ANGLES AND CONFIGURATIONS ........................................... 36
8.2 CONSTRUCTION CONSIDERATIONS................................................... 37
8.3 CONSTRUCTION MONITORING............................................................ 38
8.4 POST RECLAMATION USE OF SITE..................................................... 38
8.5 ADJACENT STRUCTURES .................................................................... 39
8.6 SOURCES OF WATER........................................................................... 39
9 LIMITATIONS..................................................................................................... 40
10 REFERENCES................................................................................................... 41

LIST OF TABLES

Table 5.1 Summary of Fountain Formation Major Discontinuity Sets
Table 5.2 Summary of Dacite Major Discontinuity Sets
Table 5.3 Summary of Uniaxial Compressive Strength
Table 6.1 Summary of Markland Analysis
Table 6.2 Rock Slope Rock Fall Coefficient Ranges

LIST OF FIGURES

Figure 1.1 Site Vicinity Map
Figure 1.2 General Site Plan
Figure 4.1 Bedrock Geologic Map
Figure 4.2 Field Mapping Locations
86995/DEN8R017 Page ii of iii February 2008
Copyright 2008 Kleinfelder West, Inc.