"Dumas is an innovative shaft construction company, they have many years of shaft construction experience and with an excellent track record on construction safety and cost controls.“
Dumas provides safe, innovative and efficient approaches to the construction of mine infrastructure. Services include shaft infrastructure (head frames, hoist facilities, shaft collars, etc.), shaft rehabilitation, portal construction, material handling systems (ore/waste flow circuits, crushing and conveying systems), pumping and dewatering systems, ancillary buildings and essentially all underground infrastructure installations.