Mining & Minerals

GPA has extensive experience across mining and mineral processing and has specialised in smelting, wet processing applications and brownfield services for more than 30 years.

We work with iron ore, copper, zinc, lead, silver, uranium and precious metals. Our people have expertise covering the full range of services, including:

  • conceptual and feasibility studies
  • strategic planning
  • front end engineering design
  • detailed design
  • project, procurement and construction management
  • commissioning and operations support
  • asset management.

  • De-bottlenecking and plant optimisation analysis
  • Process flow-sheet and design development
  • Mass & energy balances
  • Modular / transportable packaged plant and equipment
  • Slurry pipelines and sludge processing
  • Safety instrumented systems
  • HV / LV MCC design, specification and assessment
  • Power transmissions: couplings, drives, gearboxes
  • Lift studies, crane / lifting equipment specification
  • AS4041 / ASME B31.3 piping of all materials for liquids, gases, steam and slurries
  • Pumps / valves for liquids & slurries
  • Fans / ductwork
  • Evaporators, dryers, kilns and concentrators
  • Tank & tank accessories design
  • Tanker load-in & load-out facilities
  • Pressure vessel sizing, design, inspection
  • Pond sizing and design, bunds
  • Heating / cooling systems for gas & liquid: heat exchangers, cooling towers, gas fired water bath heaters, waste heat recovery
  • Solid / liquid separation: hydro-cyclones, centrifuges, decanters, thickeners, clarifiers
  • Bulk material handling equipment: bins, hoppers, conveyors, grinding mills and crushers
  • Water treatment facilities: De-mineralisation, MF,UF andRO
  • Steel and concrete assessments

Nyrstar Process Control System

We are responsible for designing, supplying, installing and commissioning a state-of-the-art Siemens PCS7 PCS/DCS Hybrid system for the Process Control System Upgrade at Nyrstar Port Pirie Smelter (as part of the transformation and redevelopment project). One of the largest control systems operating in Australia.

GPA utilises extensive engineering and operational experience to provide asset integrity & reliability management over the entire asset life cycle. GPA can work with our clients from conceptual design and feasibility through to asset end of life or life extension for a range of facilities and infrastructure.