Project Overview.
The Valentine Gold Mine is a greenfield open pit gold mine in central Newfoundland. The mine is 100% owned by Equinox Gold Corp. (previously owned by Calibre Mining Corp. (Calibre)), following the acquisition of Calibre in mid-2025. Production is scheduled to start in 2025 and once construction is complete, it will be the largest gold mine in Atlantic Canada.
After Marathon Gold Corp. was acquired by Calibre Mining Corp. (Calibre) in 2023, Giffen was retained to provide site construction support and detailed engineering to support overall site wide infrastructure development. Notable scopes include:
- Construction Management + Coordination: Management of the Assay Lab install as well as structural, mechanical, and piping contractor installations in the Mill.
- Engineering Packages: Detailed engineering for all disciplines withing the Permanent Maintenance Facility (Truck Shop).
- Structural: Detailed engineering of concrete foundations for the Emulsion Building, Effluent Treatment Plant, Tire Change, Warehouse, and Exploration Buildings.
- Piping: Detailed design of the reclaim pipeline, tailings slurry pipeline, and deposition pipelines.
- Earthworks: Design and layout of Mobile Maintenance Facility Pad, inclusive of project engineering to coordinate all the different stakeholders, and design of the Explosives Pad.