Ausenco EPCM at Hillside copper project: design and risk notes for engineers
Reviewed by Tom Sullivan

First reported on Australian Mining
30 Second Briefing
Ausenco has secured an engineering, procurement and construction management (EPCM) contract for the Hillside copper project, signalling progression towards full project execution after a prolonged permitting and feasibility phase. The mandate covers process plant design, materials handling and associated infrastructure, positioning Ausenco to define key specifications for concentrator throughput, tailings management and power supply. For geotechnical and civil teams, the EPCM scope will drive final decisions on pit geotechnics, foundation systems for heavy plant and haul road geometry ahead of construction mobilisation.
Technical Brief
- EPCM mandate includes detailed design and integration of ore processing, non-processing and supporting infrastructure.
- Ausenco’s involvement typically brings standardised design packages, aiding constructability reviews and modularisation opportunities.
- Early EPCM engagement allows geotechnical models and foundation concepts to be locked in before major equipment procurement.
Our Take
Ausenco’s EPCM role at the Hillside copper project sits alongside its recent feasibility and implementation mandates at the Ikkari gold project in Finland and the Jervois nickel-cobalt refinery in Brazil, signalling that the contractor is building a multi-commodity portfolio of complex greenfield builds that could benefit Hillside through shared design and execution learnings.
Within our mining coverage, copper-tagged project pieces are frequently associated with decarbonisation or downstream processing themes, so a large Australian copper development like Hillside is likely to attract scrutiny on power sourcing, emissions intensity and potential alignment with emerging local battery and renewable supply chains.
The fact that Hillside is in Australia, where several recent articles also highlight deployment of battery-electric fleets and advanced haul-road monitoring, suggests that Ausenco and the project owner will have a relatively mature ecosystem of local technology suppliers to draw on for productivity and ESG-driven design choices.
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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