ESTS4000PH6 Facilities to support DDG Combat System Enhancement- Notice of potential upcoming procurement
The Department of Defence intends to procure a Head Contractor package of works under the Defence Head Contract HC‑GMP for the Hobart Class Destroyer Combat System Enhancement Capability Project, known as ESTS4000PH6. The project will deliver new infrastructure and capital build facilities to support the DDG combat system upgrade, including extensive modifications and expansions of existing training facilities, the construction of a new two‑story training wing, and comprehensive civil and landscaping works at the Navy Training Systems Centre, Randwick Barracks, NSW. Additional works will provide working accommodation at Defence Plaza Sydney through modifications to existing office fit‑outs and associated services, while all current training buildings and adjoining offices will remain operational throughout the construction period.
The tender process will begin with an Invitation to Register Interest in late June 2026, followed by a Request for Tender in the third quarter of 2026 for shortlisted applicants. Successful contractors will be expected to commence construction in the second quarter of 2027 and complete the works by the third quarter of 2029, ensuring seamless integration with ongoing operational activities. All works shall comply with Defence Construction Technical Standards and applicable NSW building regulations.
