Project Scope

MCA was engaged by Oz Minerals (BHP) for a Grizzly Installation.

These works included:

  • Reorientated Structure – allowed the main support beams to be supported from left to right
  • To avoid the excavator falling into the finger/ore in the case of ground collapse
    • 4 x engineered anchor plates were Gewi Bolt to the wall and pull tested.
    • 4 fixed points, to chain the excavator back using 8-tonne chain
  • Reformed section of wall
  • Reorientated structure with basket/work platform in use
  • Installation of grizzly biscuit box beam
  • Finished concrete to front and grizzly cover to mitigate open hole
  • Installation of approach apron and concrete
Work With Us

MCA offer a wide range of services including concept design studies, detailed design, fabrication and construction. For more information, please contact us to discuss how we can assist you with your next project.


Year: 2022 – 2023

Client, Project, Location:
BHP – Mine Service’s Grizzly Installation, Carrapateena SA

Contact Type: Fixed Price / Schedule of Rates

Role: Head or Subcontract

Our services