Hard rock warning

AN INVESTIGATION by Western Australia’s Department of Mines, Industry Regulation and Safety into an incident in April where two workers were seriously injured when a 750kg rock fell from the face of an access development heading and struck them both has found multiple causes contributed to the incident.

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View of the face from the bottom pillar. Note the geological structures on the face and large rock that struck the two workers.

The jumbo operator and fitter were approaching the face to install lifter tubes into the lifter holes of the final two rows of blast holes.