From concept to completion, our underground mining services cover the full project life cycle.
Dumas’ core services include full-scale mine development; we have undertaken significant ramp and lateral development work in some of the world’s most challenging conditions…
Dumas provides safe, innovative and efficient approaches to the construction of mine infrastructure. Services include shaft infrastructure (head frames, hoist facilities…
Dumas is one of the Americas’ leading shaft sinking contractors having undertaken numerous shaft sinking projects in North and Latin America. From the heights of the…
Dumas has multi-disciplined Engineering and Technical Services team that offers practical, innovative and reliable designs with the ability to oversee the…
Dumas is a leading provider of conventional open raising methods and mechanized raise climbing. We can design and construct ventilation, manways, ore pass and…