Koolyanobbing Iron Ore Upgrade

Onyx Projects

Ertech was engaged by Onyx Projects to provide earthworks and concrete services to upgrade their iron ore plant at Koolyanobbing.

EWebsiteKoolyanobbing Exp

Fast Facts

Location: Koolyanobbing, WA

Start: Aug 2009

Completion: June 2010

Note: This project was undertaken by FormAction, a 100% subsidiary of Ertech Holdings. This business capability is now integrated into Ertech’s service offering.


The Koolyanobbing Iron Ore Upgrade project included the construction of a new ROM pad which involved approximately 100,000 tonnes of earth to create a reinforced earth retaining wall totalling over 800m² in area.

Ertech also undertook the construction of footings, slabs and supports for:

  • Four new conveyor lines
  • A new primary crusher
  • Truck stop
  • Primary screenings and secondary crusher, and

This totalled 1300m3 of concrete and 225 tonnes of steel reinforcement.

Special Points of Interest

  • The scope of concrete construction increased by 25% during the project and Ertech was able to deliver the project within the original time frame.