Highwall failure during pre-strip

DURING pre-strip operations a section of highwall failed resulting in fallen material impacting the undercarriage and counterweight on an electric shovel at a Queensland open cut coal mine.

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During pre-strip operations a section of highwall failed resulting in fallen material impacting the undercarriage and counterweight on an electric shovel.

The Queensland Mines Inspectorate has warned open cut examiners and supervisors to carry out thorough inspections of pit walls looking for signs of potential strata failures.