Services
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Raising

Raising

Dumas is a leading provider of conventional open raising methods and mechanized raise climbing. We can design and construct ventilation, manways, ore pass and waste pass raises. Our mechanized raise climbers are used in some of the deepest mines in North America and have successfully completed some of the most challenging raises on the continent.

Ken Donner
Vice President, Operations, Pure Gold
Since arriving on our site 18 months ago, Dumas has maintained a stellar safety record and has focused on delivering a quality job. They have integrated well into our site team and work collaboratively with Pure Gold and the other contractors on site. The Dumas personnel on site are professional and upper management has been very responsive to our requirements as the project has developed.
Service
Shaft Sinking
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