First Quantum: Kansanshi S3 expansion achieved 62% construction completion

First Quantum reports that The Kansanshi S3 Expansion remains on track for completion in mid-2025.

During the fourth quarter of 2024, the gearless mill drive installations were completed and the 33kV overhead line and substation was commissioned. Civil and structural workstreams are substantially progressed. Work in priority mechanical areas continues together with completion of piping and electrical systems to allow progress into early commissioning of major systems.

As at the end of 2024, the S3 Expansion project achieved 62% construction completion of the process plant and commenced early commissioning work. System configuration of the plant control system is at 80%, focused on functionality of cleaner and reagent circuits, and functional testing of services areas. Operational readiness achieved 62% completion with training of personnel on the process simulator.

At the Kansanshi smelter expansion, the new waste heat boiler condenser and 5th train of wet electrostatic precipitators were completed and successfully commissioned. Installation of the high pressure oxygen compressor was completed with commissioning in progress. All major oxygen plant equipment arrived on site and installation is progressing. Acid Plant 5 civil work was completed with structural mechanical and piping installation in progress.