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    Barminco’s $850m Bellevue gold contract: underground design notes for engineers

    May 13, 2026|

    Reviewed by Joe Ashwell

    Barminco’s $850m Bellevue gold contract: underground design notes for engineers

    First reported on Australian Mining

    30 Second Briefing

    Barminco has secured an $850 million underground mining contract from Bellevue Gold for the Bellevue gold project in Western Australia, extending Perenti’s footprint in high-grade underground operations. The scope is expected to cover long-hole stoping, decline and level development, and associated ground support for narrow-vein orebodies typical of the Bellevue deposit. Contractors and suppliers should anticipate demand for high-productivity jumbo development, paste-fill or cemented rockfill systems, and geotechnical instrumentation to manage seismicity and ground conditions in a deep, structurally complex Archean lode.

    Technical Brief

    • Scope sits within Perenti’s Barminco underground division, consolidating its Western Australian project portfolio.
    • Bellevue Gold remains project owner and principal, with Barminco engaged as mining services contractor.
    • Award signals progression from study and early-works phases into full-scale underground mining execution.
    • Contract structure likely supports staged ramp-up, aligning mining rates with Bellevue’s processing schedule and financing.
    • Long-term services contract of this size typically underpins fleet standardisation and labour retention across Perenti’s WA sites.
    • For other Western Australian underground projects, the deal sets a reference point for multi-hundred‑million‑dollar service contracts.

    Our Take

    Perenti Limited’s recent leadership change, with Dr Vanessa Torres stepping in as managing director and CEO, comes just weeks before this major Western Australian gold contract, suggesting the board is backing a growth‑oriented strategy in underground services rather than consolidation.

    Our database shows multiple recent Western Australia gold items involving Barminco and Perenti (including the Duketon extension with Regis Resources), indicating the group is entrenching itself as a preferred underground contractor for mid‑tier gold producers in the state.

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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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