Located 570 km north of Saskatoon by air, and 220km north of Pinehouse by road, Key Lake lies along the southern rim of the Athabasca Basin. The Key Lake Mill is the world’s largest high-grade uranium mill. Its main focus is on processing ore from McArthur River Mine. Tron provides construction services on a number of projects at the mill.


  • Tailing pipeline replacement
  • Acid, Steam and Oxygen Plant
  • Reverse Osmosis Plant
    • – Foundation
    • – Structural
    • – Building
  • Piping (CS, CPVC, HDPE, stainless steel)
  • Tanks and pump boxes
  • Skids, pumps and agitators
  • Motor Control Centre (MCC)
  • Electrical