Canadian Mining Journal


GOLD: Pretium powers up, Brucejack commissioning begins

The powerline connecting the Brucejack gold project and the BC Power grid is complete and was energized on March 31.

BRITISH COLUMBIA – Pretium Resources of Vancouver has begun dry commissioning at its Brucejack gold mine after the electric power transmission line was energized on March 31, 2017. The 57-km line connects the mine 65 km north of Stewart with the BC Power grid.

Wet commissioning will begin soon with the first ore introduced to the mill by mid-April.

Construction of the Brucejack underground infrastructure – including the crusher, conveyor, and transfer towers – is nearing completion and the electrical substation has been energized. The underground conveying system has been completed with all belts installed. With the critical mechanical and electrical components in place, remaining roof decking and wall cladding will be completed to enclose the portal building. All conveyor galleries from the Valley of the Kings portal to the mill building are installed with belt installation to commence over the next week.

The installation of the SAG and ball mills, including liner installation and drive alignment is will be complete the first week of April, Pretium says. Fresh water is currently being pumped to the fresh and fire water tanks with hydraulic testing of other areas to continue thereafter. The installation and assembly of the remaining mechanical, piping, electrical, instrumentation and control components within the mill building is progressing.

Underground development continues to advance, and the contracted longhole drilling crew has been mobilized. Over 163,000 tonnes of ore have been stockpiled on surface and underground. Longhole drilling of the first production stope is underway.

All the details about Brucejack are available at

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