John’s experience encompasses mechanical lead and manager roles in process plant design for greenfield and brownfield plants. Design work includes prefeasibility and feasibility levels, front end engineering and detail design. He is a member of Ausenco’s technical expert panel on comminution focusing on detail design and engineering improvements on grinding and crushing circuits including material handling aspects.
John has significant experience in design and maintenance of large grinding, crushing and reclaim circuits including conveying systems which incorporate gyratory, cone and jaw crushers, high pressure grinding rolls (HPGR), gearless and gear driven mills. With this experience he has provided specialist technical services to multiple clients including the refurbishment of gearless mill drives to leading mining houses such as BHP Olympic Dam, Newcrest Cadia Valley Operations, Barrick/Evolution Mining, Cowal Project and Lundin Mining, Candelaria Mine, Chile.
He's a member of Institute of Engineers.
Key projects include:
Consulting:
- Multiple plants for gearless drive mill motor refurbishments.
- Corani Lead Zinc Mine, 10 Mt/y, Peru
- Tampaken Copper/Gold Project, 15 Mt/y, Philippines
- Royal Nickel, Dumont Nickel Project, 22 Mt/y, Canada
- Hudbay Resources, Constancia Copper Project, 23 Mt/y, Peru
- Newcrest Mining, Cadia Valley Operations, Cadia East Expansion, 25 Mt/y Australia
- Hidden Valley Gold Project, Morobe Goldfields, 4.2 Mt/y PNG
- Cadia Valley Operations, Con 1–Con 2 Project, Australia
- Cadia Valley Operations, Hydrofloat Project (brownfields), Australia
Studies:
- Corani Lead Zinc Mine, 10 Mt/y, Peru
- Tampaken Copper/Gold Project, 15 Mt/y, Philippines
- Royal Nickel, Dumont Nickel Project, 22 Mt/y, Canada
Design:
- Hudbay Resources, Constancia Copper Project, 23 Mt/y, Peru
- Newcrest Mining, Cadia Valley Operations, Cadia East Expansion, 25 Mt/y Australia
- Hidden Valley Gold Project, Morobe Goldfields, 4.2 Mt/y PNG
- Cadia Valley Operations, Con 1–Con 2 Project, Australia
- Cadia Valley Operations, Hydrofloat Project (brownfields), Australia