ENVIRONMENT

Highwall collapse prompts QMI warning

FAILURE of a large section of highwall at a Queensland coal mine has the Queensland Mines Inspectorate telling highwall operators to make sure they have effective ground control procedures in place.

QMI said supervisors should ensure all controls for managing and monitoring ground and strata were implemented.

QMI said supervisors should ensure all controls for managing and monitoring ground and strata were implemented.

The section that failed encroached and impacted a loaded blast area on the bench above. QMI said a 2019 highwall failure resulted in a fatality in a Queensland open cut mine. It told senior site...

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