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EXPERIENCE:
11/2006 – Present Consulting Mining Engineer
§ Evaluation of
rock mass and excavation conditions.
§ Development
of rock mass characterization systems for underground headings and exploration/production
drill core.
§ Generation of
specific ground support designs or standards.
§ Ground
support design for mine portals.
§ Stability
analysis of geologic structure for underground and surface excavations.
§ Mine-wide
audits in concert with mine personnel to gauge the overall effectiveness of
ground control programs.
§ Training of
staff on the fundamental mechanics of rock support in terms of classroom
training or ground control reference manuals.
§ Evaluation of
rock mass properties in machine excavated underground workings.
§ Design and
evaluation of ground support for machine excavated underground workings.
§ Rock mass
evaluation and analysis for vertical bored and blasted openings.
§ Development
of large sublevel stoping geotechnical and rock engineering programs.
§ Development
of large sublevel stoping geology and grade control programs.
§ Root cause
analysis for stability problems in block cave mines.
§ Analysis of
load, bending stress, and deflection of steel set ground support.
§ Pillar
stability analysis for underground room and pillar operations.
§ Finite
element modeling and boundary element analysis of excavations.
§ Risk analysis
of various mining operation aspects by fault tree analysis.
§ Proposals and
prefeasibility studies to recover lost ore production.
§ Testing and
analysis of ground support components.
§ Testing and
analysis of rock mass properties.
§ Rock mass
analysis and ground support design in extremely poor ground conditions.
§ Rock mass
analysis and ground support design in Arctic permafrost conditions.
2000 –11/2006 Stillwater Mining Company Nye, MT,
Senior Rock Mechanics Engineer
§ All listed as
Rock Mechanics Engineer plus:
§ Supervised
mine site rock mechanics engineers.
§ Rock
engineering oversight for 2 mines.
§ Ground
support design and stability evaluation for TBM tunnels.
§ Developed
ground support design manual for mine operators.
§ Refined and
maintained paste backfill stability criteria for underhand mining.
§ Analysis of
slurry and cemented backfill retainment walls.
§ Finite
element modeling, kinematic wedge analysis, and boundary element analysis in
underground excavations.
§ Developed
empirical fracture analysis methodology in conjunction with expert consultant.
§ Conducted
fault tree analysis for various operational faults.
§ Stability
analysis of assorted mining methods.
§ Devised
system to mine in extremely poor to caved-in ground conditions.
§ Developed
techniques to ensure long-term stability of muck passes.
1995–2000 Stillwater
Mining Company Nye, MT, Rock Mechanics Engineer
§ Set-up geotechnical drill core logging and
underground data collection systems.
§ Designed ground support for specialized
application and mining ground support standards using a variety of
classification systems including Q-NATM, RMR and Matthews analysis.
§ Developed and maintained methodology for geotechnical prediction and
analysis of production stopes and development headings from diamond drilling
information.
§ Installation, reading and data reduction of rock
mechanics instrumentation including over core stress analysis.
§ Risk analysis of underground excavations.
§ Surface geotechnical reconnaissance using air
photos and field mapping.
- Maintained
liaison with outside expert rock engineering consultant
1985–1995 Stillwater
Mining Company Nye, MT, Mine Geologist
§ Mapped and
sampled underground headings.
§ Logged and
sampled diamond drill core.
§ Designed and
managed underground diamond drilling programs.
§ Mapped
underground development drifts.
§ Provided
geologic information for stope and development planning purposes.
§ Conducted
geologic interpretation of the ore body and surrounding rocks.
§ Ran
geostatistical models and ore reserves.
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