ENVIRONMENT

Warning on drilling ground safety

MINE developers and explorers should consider the competency of the ground when drilling holes and have geological and geotechnical input when determining the location of drill holes, the Queensland Department of Mines has warned after workers were hurt when the ground around the rear of a drill rig subsided.

Lou Caruana
Warning on drilling ground safety

A surface drill rig was reaming an underground paste fill hole when the ground around the rear of the rig subsided, creating a void approximately 2m in diameter and 4m deep.  The two drillers working...

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