Checker Processing Plant

Scope of Work

GR Engineering was appointed by Ramelius Resources Ltd to project manage, design, procure and construct the Mt Magnet Gold Project, incorporating the Checker Processing Plant facilities refurbishment and recommissioning.

The refurbished and modified Checker Processing Plant will be capable of an annualised processing rate of 1.7Mtpa, upgradable to 2.4Mtpa.

The plant receives ore delivered to the ROM pad from various open pit ore sources. Processing includes primary crushing, conveying, coarse ore storage, primary and secondary milling, gravity gold circuit consisting of a gravity concentrator and an intensive cyanidation circuit. The balance of gold recovery is obtained from a seven tank CIL circuit, four tonne pressure Zadra elution circuit and electrowinning systems.

GR Engineering commenced the EPC design, procure, construction and refurbishment of the processing plant facilities in April 2011 and the project was completed in November 2011.

Project History

The Checker Process Plant is an existing gold plant located at the town of Mount Magnet in Western Australia. The operation is owned by Ramelius Resources Ltd after purchase from Harmony Gold NL in July 2010. The Checker Processing Plant was previously operated by Mt Magnet Gold NL until it was decommissioned in December 2008.


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  • Award Date February 2011

  • Completion Date November 2011

  • Project Type Brownfields, EPC refurbishment and recommission

  • Project Manager Peter Parsons

  • Process Manager Diana Ligman

  • Client Ramelius Resources Limited (ASX: RMS)

  • Location The Checker Processing Plant is located at the Hill Fifty mine at Mt Magnet in Western Australia approximately 650km North of Perth.