Boilermaker Simon Mukwarami Dies in Fall at South32's Worsley Alumina Refinery, Western Australia

Simon Mukwarami, a 47-year-old boilermaker, died on March 14 at South32's Worsley Alumina refinery in Western Australia after falling from a height while working on a digester. Emergency services were unable to revive him. Investigations by police and WorkSafe WA are ongoing. The incident follows a history of fatalities at the site, and South32 has temporarily suspended non-critical operations. The mining industry has a high fatality rate, with bauxite and alumina reporting the highest injury rates in the state.

Published Mar 28, 2026

On March 14, Simon Mukwarami, a 47-year-old boilermaker, was killed at South32's Worsley Alumina refinery in Western Australia after falling from a height while working on a digester. Emergency crews arrived at 3:50 a.m., but he was pronounced dead at the scene.

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Investigations by police and WorkSafe WA are underway. South32 has suspended non-critical operations and expressed condolences. The refinery, operational since 1984 and employing about 1,600 workers, has a history of deadly incidents, including a fatality in 2014. The mining industry has a significant fatality rate, with bauxite and alumina showing the highest injury rates in the state.