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    GR Engineering’s Northparkes CPF EPC: integration and retrofit notes for process engineers

    April 9, 2026|

    Reviewed by Joe Ashwell

    GR Engineering’s Northparkes CPF EPC: integration and retrofit notes for process engineers

    First reported on International Mining – News

    30 Second Briefing

    GR Engineering has secured an EPC contract from Northparkes Mining Services, a subsidiary of Evolution Mining, to deliver a Coarse Particle Flotation (CPF) project at the Northparkes copper-gold operation, 300 km west of Sydney, New South Wales. The project will retrofit CPF into the existing concentrator, targeting recovery of coarser sulphide particles that currently bypass conventional flotation circuits. For process engineers, the key change is integration of new CPF cells and associated regrind, pumping and classification modifications into a brownfield plant while maintaining throughput.

    Technical Brief

    • Brownfield CPF retrofits of this type are increasingly being adopted at Australian copper concentrators to lift recovery.

    Our Take

    GR Engineering’s selection at Northparkes in New South Wales follows its recent EPC roles on the Tower Hill and Laverton gold projects in Western Australia, signalling that operators are favouring the company for brownfield processing upgrades and modular plant work across multiple states.

    With Northparkes located about 300 km west of Sydney, the project sits in a well‑serviced but increasingly competitive NSW mining corridor, where established logistics and power links can materially reduce schedule and cost risk for complex flowsheet retrofits like coarse particle flotation.

    Our database shows GR Engineering appearing frequently in recent Mining ‘Projects’ and ‘Contract Award’ coverage, suggesting that mid‑tier operators such as Evolution Mining are leaning on specialist EPCs rather than in‑house project teams for debottlenecking and recovery‑improvement projects.

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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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