Project Overview:

Nahanni Construction Ltd. was contracted by Greenstone Gold Mines (Equinox Gold Project) for the construction of the Greenstone Gold Mine in Geraldton, Ontario. Nahanni’s scope of services included concrete placement for various structures, mechanically stabilized earth (MSE) wall installation, finish grade work, HDPE pipe fusion, building insulation installation, site scaffolding, and miscellaneous site services.

Nahanni provided concrete placement for structures such as the Primary/Secondary crusher, HPGR, Mill building, Reclaim Tunnel, Conveyor foundations, pit fuel station, and various buildings on site. They also handled MSE wall installation, finish grade work for slabs, HDPE pipe fusion, building insulation installation, site scaffolding, and miscellaneous site services.

Fast Facts:

  • An average of 115 employees were on-site at any given time, with a total of around 190 employees on rotation. The workforce operated in five shifts
  • Over 500,000 Man Hours Worked on Project.
  • Duration of Project: The project commenced in February 2022 and is expected to be completed by October 2023.
  • Rebar Installed: 1,700 tons
  • Concrete: 14,000 cubic meters
  • Leancrete: 5,000 cubic meters
  • Earthworks (MSE Wall): 145,000 cubic meters
  • Gabion Baskets: 2,600

Challenges and how Nahanni Helped:

  • Logistics: Nahanni organized transportation of manpower through a local contractor and utilized charter flights for transportation to and from Geraldton, with commercial flights used for personnel from the west. Freight transportation included rebar from Winnipeg to the site and scaffold from Edmonton to the site. Nahanni’s trucking services and subcontractors were involved in the delivering on the complex phasing and timing of movement of people and goods to support this project.
  • Nahanni brought important concrete expertise to the site that included mass concrete pours for large foundations for reclaim areas and primary crushers; tight and complex rebar work that required skilful planning in concrete placement, and vertical concrete placement for crusher walls reaching a height of 100 feet.