Dangerous incident | IncNot 0034774
Summary: When a dayshift crew entered an underground mine at the start of shift, a fall of ground was discovered in the main travel road. The emergency management procedure was immediately put into action to confirm that all dayshift and nightshift workers were accounted for. The site administration system indicated that no one would have been in the location at the time of the incident.
Recommendations to industry: Mine operators should review the adequacy of their strata monitoring arrangements, particularly in areas where inspections are infrequent. Mine operators should have a robust system in place designed to provide information on the whereabouts of their workers and others underground.
Dangerous incident | IncNot 0034738
Summary: A coal burst occurred in the tailgate road of a longwall panel on the block-side rib immediately outbye the cutting face. Remote mining was being conducted at the time and no workers were in the vicinity.
Recommendations to industry: Mine operators must assess the risk of coal burst when determining the principle hazards on their mine sites. Where the risk of coal burst exist, mines must develop a principle hazard management plan that complies with clause 24 of the WHS (MPS) Regs 2014.
Dangerous incident | IncNot 0034802
Summary: A mobile drill rig was being trammed to the mine surface for routine maintenance. An operator identified that the machine needed to be realigned towards the centre of the main decline. He put the vehicle into forward gear to reverse down the decline. The machine's engine had not dropped to idle and the brakes were not able to control the rate of travel back down the grade. The drill rig boom hit the sidewall of the decline. There were no injuries reported.
Recommendations to industry: All plant must be fit-for-the purpose for which it is being used. Mines must have thorough lifecycle management plans for all equipment including operation and maintenance and procedures for managing defects identified during operation.
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