In 2016, Dumas commenced raise excavation at Totten Mine.
Scope included excavation of a 9’x9’ MRC raise approximately 438 ft in length, 4 sub drifts, finger raises, and related slashing, with ground support and shotcrete installation throughout.
Scope of Work
- 438 ft MRC raise excavation
- Sub-drifts, finger raises, and ground support