Highwall collapse a cause for concern at NSW mine

A 22 METRE highwall partially collapsed in a dangerous incident at a New South Wales open cut coal mine.

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Highwall collapse a cause for concern at NSW mine Highwall collapse a cause for concern at NSW mine Highwall collapse a cause for concern at NSW mine Highwall collapse a cause for concern at NSW mine Highwall collapse a cause for concern at NSW mine

Scene of the highwall collapse at a NSW coal mine.

An excavator and a dozer were working in the area, the NSW Resources Regulator said in an alert. 
"The operators noticed the highwall start to dribble and moved the machines away before the collapse," it said.
Highwalls must be cleaned back to solid ground to remove material from the wall during excavation and they must be inspected regularly, particularly following wet weather events, according to the regulator.