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    Barminco–Regis Duketon extension: cost and ground control notes for engineers

    April 8, 2026|

    Reviewed by Joe Ashwell

    Barminco–Regis Duketon extension: cost and ground control notes for engineers

    First reported on Australian Mining

    30 Second Briefing

    Perenti has secured a further extension to its underground mining services contract with Regis Resources at the Duketon gold operations in Western Australia, reinforcing a long-running contractor–owner relationship on the multi-mine complex. The deal keeps Barminco, Perenti’s underground division, in place for core services such as jumbo development, production drilling, load-and-haul and ground support across Duketon’s underground orebodies. Continuity of a single contractor on a mature site like Duketon typically allows tighter control of unit costs, ground control practices and equipment maintenance strategies.

    Technical Brief

    • Long-term single‑contractor arrangement supports consistent ground support standards and geotechnical data capture across orebodies.

    Our Take

    Duketon sits within Perenti’s core Australian portfolio, and the recent half‑year result showing higher fleet utilisation across Australia suggests this contract extension will help keep Barminco’s underground equipment and crews deployed at relatively high intensity.

    With Perenti having just transitioned to new leadership under Dr Vanessa Torres, a longer‑dated arrangement at Regis Resources’ Duketon operations in Australia provides management with more predictable underground services revenue while other regions and commodities in its book remain more cyclical.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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