Backfilling of Mine Workings at the Former Rock Lake Mine

The Government of Canada, through the Ministry of Energy and Electrification, has issued a solicitation for the backfilling of mine workings at the former Rock Lake Mine Site, identified by AMIS Site ID 07781. The work involves the rehabilitation of crown pillars and openings leading to the surface, with the primary objective of stabilizing the site and ensuring long-term environmental and public safety. The project requires specialized expertise in mine reclamation and backfilling techniques to properly seal underground voids and prevent subsidence or contamination. All work must comply with federal environmental and safety standards, and the contractor will be responsible for the logistics, materials, and execution of the backfilling operation in a manner that minimizes disruption and maximizes structural integrity. The solicitation, identified as tender_21688, was posted on July 9, 2026, with responses due by July 17, 2026 at 4:00 p.m. The opportunity is open to qualified firms without set-aside restrictions, and the place of performance is the former Rock Lake Mine Site. All inquiries should be directed to Elaine Fontebasso, the Contracting Authority, via email at Elaine.Fontebasso@supplyontario.ca or by phone at 437-223-0192. Further details and official documentation are available through the CanadaBuys portal at the provided UI link. Contractors must ensure their proposals address technical specifications, timelines, safety protocols, and environmental compliance measures to be considered for award.