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...Date november safe systems of work on jumbo and other drill rigs this safety bulletin provides advice for the nsw mining industry issue resources regulator is presently undertaking an assessment program at underground metalliferous mines focussing procedures isolation energy drilling equipment intent to establish whether used manage risk rig operators maintainers are in place effective hierarchy controls being appropriately considered applied regarding recent incident during a mine operator newly employed was observed by inspectors operating with laser curtain protection system installed designed detect people who entered hazardous area front stabilising jacks or roof bolting operations shut down powerpacks thereby immobilising boom functions depowering hydraulics also had manual control switch that could be perform same function if failed not previously fitted been trained its operation aware correctly assisted mentoring offsider two weeks it directed change consumables within zone wi...