Covalent Lithium Refinery


Kwinana, WA

Project Owner

Covalent Lithium Pty Ltd


Covalent Lithium Pty Ltd


15 months

Start Date


Melchor Contracting were engaged by Covalent Lithium Pty Ltd to perform the Civil and Concrete package for the refinery, located in Kwinana, WA. This package includes bulk earthworks, drainage, road works, precast piling, underground services and concrete structure construction.

Melchor Contracting have installed over 2000 precast piles, 10km of underground piping, approximately 50km of underground LV/HV and communications cabling and earthing, and 25,000 cubic meters of concrete. Some of the piers in the processing plant are over 16m high and poured in one lift to maximise efficiency.

As part of the project the Melchor civils team worked with Western Power to construct the new switchyard associated with the project.

During 2022, Melchor Contracting achieved the following on the refinery site:

  • 20,500 cubic meters of concrete placed
  • 12,500 anchor bolts installed
  • 46 tonnes of cast-in elements installed
  • 2,250 tonnes of reinforcing
  • 270 tonnes of mesh
  • 200,000 square meters of basecourse pavements
  • 46.3km of underground cabling and earthing