In April 2011, Dumas commenced work at the Lalor Mine, located in Snow Lake, Manitoba. Owned and operated by Hudbay Minerals, the project initially involved shaft sinking and engineering deliverables before expanding into long-term development and construction support.
Dumas was awarded the contract to sink the production shaft, completing a 6.7 metre diameter concrete-lined shaft to a depth of 1,000 metres, with all shaft stations constructed during sinking. In 2016, Dumas returned to provide development mining services, initially contracted for 2,900 metres of development but extended due to productivity and performance. Current work includes manpower and equipment support for lateral development scopes of work, as well as major construction projects such as the 910L underground maintenance shop.
Scope of Work
- Shaft sinking of a 6.7 metre diameter concrete-lined shaft to 1,000 metres
- Engineering deliverables including hoist/winch arrangements, galloway sheave arrangements, bucket loading and dumping systems, and electrical infrastructure
- Development of multiple shaft stations
- Ongoing ramp and level development to support 4,500 tpd production goals
- Construction of the 910L maintenance facility and other site infrastructure
