Question · Q4 2025
John Tumazos asked about the detailed breakdown of the $400 million+ capital expenditure for the Lone Tree plant refurbishment, specifically inquiring about the ancillary components requiring replacement or upgrades beyond the autoclave vessel itself, and if alternative engineering firms were considered.
Answer
CFO Ryan Snow explained that the cost includes rebricking the autoclave, replacing CIL circuit tanks, installing off-gas vessels, a new filtered tails and stacked facilities filtration system, and instrumentation upgrades, totaling $430 million. He noted that Hatch, who originally built the facility, was chosen due to their expertise, as highlighted by CEO Richard Young.
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