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INTERNATIONAL COAL NEWS

Safety dilemmas in December

VENTILATION issues underground and a considerable roof fall near a longwall face were among a spa...

Blair Price

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There was also one fatality associated with the mining and quarrying industry.

Mentioned in the monthly Queensland Mines Inspectorate compilation report of serious accidents and incidents, a driver of a road train had changed a tyre and was lowering the jack when the tyre ruptured.

“He sustained fatal injuries,” the inspectorate said.

At an undisclosed underground coal mine, an extraction panel had to be sealed after rising water levels “choked off the ventilation circuit”, leading to dangerous accumulation of methane and carbon monoxide.

Workers at another mine were withdrawn from an underground and in-pit area after extreme wet weather caused the loss of power and ventilation.

There were two roof incidents in the underground coal sector last month.

A roof fall estimated at 5-metres long, 1.5m thick and covering the full width of the heading took place in the tailgate heading of a longwall operation.

The other incident involved a 2-kilogram piece of rock which fell and struck a load haul dump operator who was cleaning material from the toe of an underground development face.

A worker in an LHD lift basket broke three fingers when his hand got caught between the basket’s handrail and the “structure he was installing”

Meanwhile, the operator of a modern LHD ran into the back of parked forklift in a workshop after his foot became caught under the brake pedal.

A shuttle car presented an explosion risk underground after the car cable became damaged, exposing conductors and later tripping the power.

In a separate incident, the inspectorate said a front-wheel assembly came off a shuttle car when all eight mounting bolts “failed”.

A continuous miner also continued reversing even after the operator let go of the dead-man button on its remote.

The failure of the main 1000-volt circuit breaker in a longwall conveyor managed to cause minor damage inside an IP55-rated enclosure.

There were three cases of underground mine workers going to hospital because of heat exhaustion.

An operator also got bitten on his hand by a snake after he exited the cab of an LHD.

Among the various incidents at open cut mines, the main pit at the Baralaba mine was inundated by floodwater from the Dawson River after a levee bank was breached.

There were 157 high-potential incidents in Queensland last month compared to the 12-month rolling average of 127, and 142 in November.

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