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Conference Proceedings

The Australian Mine Ventilation Conference 2013

Conference Proceedings

The Australian Mine Ventilation Conference 2013

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Belt Road Segregation and Escapeways - Compliance or Risk Management?

Segregation of conveyor roadways is a ventilation practice that is being increasingly applied in Australia. It is largely driven by the legislated requirements in Queensland pertaining to separation of escapeways from the mine._x000D_
This legal requirement was based on a recommendation from the Moura No. 2 Warden's Inquiry (Windridge, 1996) into the mine disaster that claimed 11 lives._x000D_
The report recommended: ... the introduction of a requirement for all underground mines to have one intake airway that is completely segregated from other parallel intake airways so as to provide two separate means of egress from the mine via an intake airway._x000D_
This recommendation seeks to assist mine workers in escape from a mine after a fire by providing them with an airway that is free from smoke or contaminants.The concept of an airway being completely segregated' is an ideal that is challenging to implement in practice when considering the effect of leakage. The practice of belt segregation is concerned with the potential for fires in the belt roadway although there are numerous other potential fire sources in underground coal mines. A review of segregation practices has been conducted applying ventilation engineering principles. Four different scenarios have been analysed with regard to the effectiveness of the segregation stoppings in preventing potential fire contaminants migrating to other parts of the mine. The results show that in some cases the benefits of segregation to a person evacuating a mine in the event of a fire range from beneficial to detrimental. This is influenced by many factors including the location of that individual in that particular mine. There is room for improvement in the design and implementation of escapeways in underground coal mines. Escapeways need to be planned and designated with regard to the potential sources of fire, pressure differentials between escapeways and the operational practicalities of maintaining the pressure differential between them.CITATION:Olsen, M, 2013. Belt road segregation and escapeways - Compliance or risk management?, in Proceedings The Australian Mine Ventilation Conference, pp 311-318 (The Australasian Institute of Mining and Metallurgy: Melbourne).
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  • Published: 2012
  • PDF Size: 0.377 Mb.
  • Unique ID: P201304038

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