Cornish Metals continues NCK dewatering, refurbishment

Executive Summary

• Cornish Metals reports that dewatering and refurbishment of the New Cook’s Kitchen (NCK) shaft have reached the mid‑shaft pump station (~360 m depth).
• Installation of new permanent pumps at the mid‑shaft station has begun, with work expected to finish in Q4 2025.
• After completion, submersible pumps will be lowered to the lower pump station (~730 m) and dewatering/refurbishment is projected to resume, targeting mid‑2026 for completion to that level.

Key Details

• Current Progress: Mid‑shaft pump station at ~360 m below surface secured; underground chamber stabilized; new permanent pumps being installed.
• Depth Targets: Submersible pumps presently operating at ~380 m; lower pump station planned at ~730 m.
• Timeline: Mid‑shaft work to be completed in Q4 2025; subsequent dewatering and shaft refurbishment to the lower level expected by mid‑2026, consistent with prior guidance (July 23 2025 update).
• Operational Impact: Continued parallel progress of shaft refurbishment and mine dewatering ensures alignment with project schedule for South Crofty tin development.

Notable Quotes

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