Our design team provide class leading engineering services to customers in the minerals, energy and infrastructure sectors.

Metallurgical Testwork

During project development metallurgical testwork is required to optimize process routes and guide equipment selection. Primero provide a full range of testwork related services from sample selection through to reporting and presentation for input into process design.

In terms of metallurgical experience, our process group have in depth and applied metallurgical knowledge encompassing geo-metallurgical testwork, metallurgical testwork, plant design and engineering as well as plant optimisation.


We Offer:

  • Geometallurgical testwork interpretation
  • Sample selection
  • Testwork design
  • Testwork management
  • Testwork interpretation, reporting and presentation
  • Assessment and gap analysis of existing testwork programs
  • Technical due diligence and verifications for M&A activity

Process Design

Primero metallurgists and process engineers have significant experience in the design and operation of mineral processing, hydrometallurgy and pyrometallurgy processing plants, with capability across multiple commodities including Gold, Copper, Silver, Zinc, Lead, Nickel, Cobalt, Manganese, Tin, Iron Ore, Diamond, Uranium, Phosphate, Rare Earths, Heavy Sands and Lithium. They are also experienced in the commissioning and operational management of processing plants.

Specifically this includes, but is not limited to: Crushing, Grinding, Screening, Gravity Concentration, Heap Leach, Sulphide Flotation, Oxide Flotation, Roasting, Conventional & Calcine CIP/CIL, Merrill Crowe, Carbon Elution and Regeneration, Gold Electrowinning, Doré & Gold Room Operations, Thickening, Filtration, Cyanide Recovery and Destruction, Paste Backfill, Pressure Oxidation, Hydrometallurgical Leaching and Metals Recovery, Sulphide Precipitation, Hydrogen Reduction, Electrowinning, Sulphate Production, Refinery Off-Gas Recovery, Thickening, Filtration.


We Offer:

  • Process Flowsheets
  • Process Design Criteria
  • Process Mass and Energy Balances
  • Process Flow Diagrams
  • Process Control Philosophy
  • Process Control System Design
  • Process Plant Commissioning
  • Process Plant Audits and Optimisation Studies

Project Feasibility

Primero undertakes studies from desktop reviews through to bankable feasibility studies for a wide variety of commodities and project delivery mechanisms. Primero follows the AusIMM guidelines for preparing studies together with AusIMM guidelines for preparation of CAPEX and OPEX estimates which provides customers the confidence that the quality of studies meet the industry standards required of finance groups and investment houses. Key outcomes of these studies enable customers to undertake strategic investment decisions, manage their project risk in a far more transparent manner and have the confidence that Primero can deliver seamless project realization from study outcomes.


We Offer:

  • Scoping studies
  • Preliminary economic analysis
  • Preliminary feasibility studies
  • Feasibility studies
  • Definitive feasibility studies
  • Fast-tracked development under ECI
  • Front end engineering design (FEED)
dji plant


Primero provide professional mechanical engineering solutions spanning equipment selection, mechanical design and drafting as well undertaking upgrade and optimisation studies to existing brownfields infrastructure.

Our team have completed full plant and infrastructure design projects encompassing rotating equipment, bulk material handling, and fluid handling systems. Plant layouts include piping system and process design, pipe stress analysis and surge analysis where required. Primero’s delivery model places a high emphasis on efficient layouts to optimise quantities and design for constructability with the intention of reducing installation time and corresponding cost.

We specialise in:

  • Fluid handling
  • Pump and piping design
  • Material handling solutions
  • Crushing and screening
  • Process plant design
  • Stockpile management, stackers and reclaimers

Structural and Civil

Primero completes all structural/civil design and engineering in house and are leaders in modularisation
and design for constructability. Primero’s expert structural team provide services to the mining, oil and
gas and non-process infrastructure sectors.

At Primero our goal is to always balance quantity optimisation with fit for purpose design to ensure a
project is structurally sound and economically efficient. Our services span support structures for
equipment, access walkways, platforms, conveyors, silos and product storage solutions.


Common projects completed by our structural team include:

  • Support structures and towers for process infrastructure
  • Heavy equipment workshops
  • Hydrocarbon storage and distribution
  • Warehouses and product storage facilities
  • Ammonium nitrate storage facilities
  • Bulk storage silo design
  • Skid and modular structure design
primero worker

Electrical and Instrumentation

Primero provide comprehensive electrical and instrumentation design solutions for industrial projects. Our team of consulting engineers have the skillset to complete any project efficiently, ensuring that any solution we provide is safe above all.

At Primero our electrical engineers and designers have significant experience with power system analysis software tools such as ETAP. The package is used to develop a model of the plant so that all equipment is suitably rated for fault levels and load flow. In addition protection grading studies and earth grid design specific to the plants electrical system are completed. Our engineers are experienced with large motor starting effects on power systems, such as mills and crushers, and are familiar with methods to reduce this impact such as by VVVF, LRS SER or straight LRS.

Our electrical and instrumentation engineering capabilities include:

  • Power system studies
  • Power generation, transmission and distribution system design
  • HV/LV system design
  • Switchrooms, boards and control centres
  • Instrument identification, lists and datasheets
  • Lighting design
  • Earthing and protection system design

Control Systems

Primero’s control system engineers are proficient with programming all major PLC/SCADA platforms and hardware. With preference is to complete all control system engineering works in house Primero can provide the highest level of integration between disciplines. Should client specifications not permit in
house programming, Primero will develop required philosophies and functional descriptions for input to the client specified system.