Red Chris Mine, Dease Lake, BC

Installation of structural concrete foundations and grout for the construction of a new Concentrator at Greenfield Gold/Copper Open Pit Mine to allow production of 30,000 tons per day.

Client: Imperial Metals Corporation

Engineering Firm: AMEC, Vancouver, BC

Duration: 14 months

Crew size: 70

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SCOPE OF WORK

Key installations including:
- Primary Crusher Concrete Structure. Base pour 574m³, engineered formwork throughout. Concrete Structure was 22m high
- 70ft high concrete bent to support a stacker conveyor at the reclaim tunnel
- Installation of conveyor bents, take-up and transfer tower foundations for a 2.5km overland conveyor system
- Installation of a 20m high x 135m long MSE retaining wall
- Installed Concrete Operating Floor throughout the concentrator building including Grinding and Flotation equipment pads for various process equipment including pumps, motors and tanks
- Installed Sag and Ball Mill Trunion Bearing anchor and motor mill bolts
- Grouting of all equipment static and Dynamic equipment bases (cement and Epoxy)
- NAG & PAG choke stations for tailings pipeline including a booster station and tailings box

Supplied and installed scaffolding throughout the mill for both construction and commissioning
Supplied and maintained a 110 m³/hr mobile batch plant complete with pumper and mixer trucks
120,000 total man hours on a 14 day in camp 7 day out turnaround schedule with an average crew size of 70 employees