The award involves the installation of two gas compression modules and associated utility systems to support production from the John Brookes field in the offshore Carnarvon basin. The value of the contract has not been disclosed.
A GPS spokeswoman said it is a "very fast track programme" with work already underway and completion scheduled for May next year.
The scope of work includes fabrication engineering, procurement, fabrication, assembly, mechanical completion, sea fastening, weighing and preparation for load-out.
GPS