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Staff
Dr Derrick J (Rick) Brake Dr D. J. (Rick) Brake is a Chartered Practicing Mining Engineer with 30 years experience in underground and open cut operations in senior planning and operating roles in Australia and North America. He graduated with First Class Honours from the University of Queensland, completed a Master of Business Administration from Deakin University in Victoria in 1991 and a PhD in physiology at the School of Public Health at Curtin University in the area of human heat stress in 2002. He has a First Class Mine Manager’s Certificate of Competency (Qld, metalliferous) and Statutory Ventilation Officer qualifications (Qld, Coal). He has published extensively in the areas of mine ventilation, refrigeration and cooling, emergency egress and entrapment and human heat stress (refer separate list of papers). Rick is a Fellow of the Australasian Institute of Mining and Metallurgy, a member of the Mine Ventilation Society of South Africa, and a Member of the Minerals Industry Consultants Association of Australia. Rick was Ventilation Superintendent for the four Mount Isa underground mines in the mid 1980s. He was a member of the Editorial Committee for the Fourth International Mine Ventilation Congress in 1988, a member of the Editorial and Organising committees for the Eighth International Mine Ventilation Congress in 2005 and a member of the Editorial and/or Organising committees for the 12th and 13th US/North American Mine Ventilation Symposia in 2008 and 2010. From 1997 to 1999, Rick was project manager for the ventilation and refrigeration design for the new 3.5 Mtpa Enterprise mine at Isa, which was the deepest and hottest mine in Australia. Here he led a project team that also developed new heat stress protocols (which subsequently won the Queensland Mining Industry Health and Safety Innovation Award for 1999 and was runner-up for the MCA National Awards in 2000) and new egress and entrapment standards, both of which have become widely adopted in Australian mines. He left MIM in 1999 to form his own consulting company, Mine Ventilation Australia (MVA). In addition to mine ventilation, heat stress and egress consulting, Rick has been principal technical adviser in the area of mine refrigeration to a number of clients covering all styles of refrigeration including: bulk surface and underground air cooling, underground cooling towers, underground spot coolers and reticulated chilled water. He has also been involved as an Expert witness in Australia and the USA in several areas of mine ventilation, egress/entrapment, toxic gas poisoning and heat stress/stroke.
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Tony Nixon Tony Nixon is a Senior Ventilation Consultant with MVA and is an expert in Ventsim modelling. He has 40 years continuous experience in underground mine ventilation and is probably Australia’s most experienced underground airflow adviser. He has an Advanced Ventilation Officer’s Certificate from the Mine Ventilation Society of South Africa.
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