Another NSW Mining Incident has drawn the industry’s attention on the need to manage windrows. A dump truck reversed through a windrow when backing into a corner of the dump. The ground failed, causing the truck to overturn.
Preliminary investigations suggest that the controls identified to manage the risks associated with using weathered material at the dump may not have been adequate and some of those controls were not implemented. While 10 metre lifts were planned for the dump, on the outside edge where the tip head failed, the rill face was approximately 20 metres high. Mines must have systems in place to ensure dumps are operated and maintained as per the original design with adequate TARPs in place if circumstances change.
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