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Mr Karl Guilfoyle

Mining EngineerGuilfoyle Engineering and Mining Services Pty LtdMining Engineer
Work 70 Cedar Street Wynnum QLD 4178 AustraliaHome Phone: 0407 847 180Cell Phone: 0407 847 180Work Phone: 0407 847 180
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Biographical Info

Karl Guilfoyle is a Mining Engineer with 29 years of experience in the mining industry, specialising in underground hardrock mine planning and operations.
Karl established Guilfoyle Engineering & Mining Services Pty Ltd in 1991, to provide an independent consulting service to the mining industry. He is a Member of the Australasian Institute of Mining and Metallurgy, and has written and presented several technical papers at mining industry conferences. His skills include:

  • Understanding the mining business, with a focus on safe and profitable production.
  • Experience in a broad range of underground hardrock mines with diverse conditions.
  • Mine planning and design, from initial conceptual studies to the final critical details.
  • Assessment of mining performance and costs, and identification of the major issues.
  • Ability to analyse complex problems, identify causes and create innovative solutions.
  • Concise reporting with specific conclusions and practical recommendations.

Karl has completed projects including:

  • Planning for underground mines, from conceptual studies to detailed mine designs.
  • Preparation of feasibility studies for open cut and underground hardrock metal mines.
  • Analysis of underground mining systems, from planning to final stoping results and costs.
  • Calculation of break-even mine head grades to optimise profitable recovery of ore resources.
  • Preparation of computer models to calculate, analyse and compare total mine production costs.
  • Preparation of practical geotechnical standards for mine development and longhole open stoping.
  • Selection of equipment for diamond drilling, mine development, stoping, loading and rock transport.
  • Analysis and optimisation of underground mine jumbo development drilling and blasting practices.
  • Introduction of cemented rock backfill to increase resource recovery and reduce total mining costs.
  • Design and analysis of alternative raise development methods, including longhole drilling and blasting.
  • Innovative solutions for unusual mining applications, including specialised blasting techniques.
  • Introduction of underground road trains to improve productivity and reduce total mining costs.
  • Controlled surface and underground blasting, including complex longhole stope “mass blasts”.
  • Preparation of “competency-based” training programs for mine technical staff and operators.
  • Training and coaching of mine technical staff, including Mining Engineers.
  • BE(Min) Melbourne 1978, Mine Mgr Cert Qld.
  • Underground Mine Planning and Operations
Areas of Practice:
  • Mining engineering
  • Technical audit and due diligence studies
Commodity Experience:
  • Base Metals
  • Gold, Silver
  • Nickel and Cobalt
Regional Experience:
  • Australia – All States
  • India
  • PNG


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