The final stage of the Hillarys Boat Harbour jetties A, F, G, H and J replacement was completed by Western Australia's Department of Transport in April 2024. The project demolished and replaced five end-of-life jetties with low-maintenance floating infrastructure connected to a realigned 3.5-metre-wide central walkway and accommodating 115 pens. Tenders WA places the works under DOT409421RFT with Global Trade Sales (Gambetta Holdings Pty Ltd). The 2023-24 annual report describes the project as AUD 10 million and records approximately 320 tonnes of steel piles, 51 tonnes of aluminium pontoon frames and 1,985 square metres of pontoons.
Project signal
Completed in Australia
Current statusTransport WA records the final stage completed in April 2024 as an AUD 10 million project, delivering five replacement floating jetties and 115 pens under the common DOT409421RFT contractSource confidenceConfirmed
Location
Australia / Asia Pacific
Segment
Marinas, pontoons and berthing infrastructure
Status
Transport WA records the final stage completed in April 2024 as an AUD 10 million project, delivering five replacement floating jetties and 115 pens under the common DOT409421RFT contract / Confirmed
Last checked
8 August 2026
Coverage
Related sectors
Marinas, pontoons and berthing infrastructure is the primary work classification. Related sectors connect this record to adjacent marine delivery and market coverage.
Subject index
Related subjects
These subject pages bring together related projects, technical articles, reports, and evidence methods.
Project anatomy
Contract scope and delivery roles
Client / authority
Western Australia Department of Transport, now Department of Transport and Major Infrastructure
Delivery parties
Global Trade Sales (Gambetta Holdings Pty Ltd), referred to by the owner as GTS Australia - confirmed design-and-construct contractor under DOT409421RFT, WA floating-module, fendering and aluminium-frame suppliers - local manufacture confirmed but organizations not named, Piling, services, demolition and other lower tiers - organizations not named in the reviewed records
Contract route
Tenders WA records DOT409421RFT as an Open Advertisement one-off works contract with 14 submissions, awarded on 29 April 2022 and carrying a final expiry date of 21 December 2023. The contract combined Hillarys with Fremantle Jetty 3 and currently publishes AUD 15,582,213 original estimate, AUD 14,464,405 revised estimate and AUD 14,448,283 actual expenditure.
Execution window
The common contract period ended on 21 December 2023. Transport WA's annual report states that the Hillarys final stage completed in April 2024. The difference between the contract expiry field and the final-stage completion statement is an evidence boundary; public records do not explain whether it reflects staged completion, closeout, defects, owner work or contract administration.
Works package
The Hillarys site scope comprised demolition and removal of jetties A, F, G, H and J; a realigned 3.5-metre-wide central floating walkway; design, supply and installation of low-maintenance floating boat-pen systems; piling; power, water, firefighting and CCTV services; and capacity for 115 pens.
Marine interfaces
The replacement had to preserve penholder access and improve pedestrian movement for Rottnest Island ferry passengers and service vehicles inside an active harbour. The completed system combines piles, pontoons, fendering, aluminium frames, services and the central walkway, but public sources do not expose staging drawings, temporary access, pile installation methods, commissioning procedures or as-built service records.
Commercial evidence boundary
The 2023-24 annual report calls Hillarys an AUD 10 million project and says 84% of contract spend was in metropolitan WA, with the balance interstate and overseas. The 2022-23 annual report estimated total capital cost at AUD 10.014 million, up from AUD 9.464 million in earlier reports. These project and localisation fields cannot be used to allocate or reconstruct the common contract's final expenditure.
Contract and delivery chain
Named roles and open packages
Named appointments are shown against the workstream they cover. Unallocated packages remain open until a project source identifies the responsible party.
Common design-and-construct award
DOT409421RFT Hillarys jetties and Fremantle Jetty 3
Named party
Global Trade Sales (Gambetta Holdings Pty Ltd)
Status
Confirmed
Source position
Tenders WA records the open-advertisement award, 14 submissions, supplier, contract dates and combined value fields. Source
Hillarys physical scope
Jetties A, F, G, H and J, central walkway, piles, pontoons and services
Named party
Department of Transport and Global Trade Sales
Status
Confirmed
Source position
The contract record and June 2022 government release define the five-jetty replacement, 3.5-metre walkway and 115-pen outcome. Source
Local manufacturing
Floating modules, fendering and aluminium frames
Named party
Unnamed Western Australian suppliers
Status
Confirmed
Source position
The 2023-24 annual report states these components were 100% manufactured in WA and the aluminium came from WA and other Australian mills. Source
Installed quantities
Piles, aluminium frames and pontoons
Named party
Global Trade Sales and undisclosed suppliers
Status
Reported
Source position
The owner reports about 320 tonnes of steel piles, 51 tonnes of aluminium frames and 1,985 square metres of pontoons. Source
Completion
Final Hillarys jetty-replacement stage
Named party
Department of Transport
Status
Confirmed
Source position
The 2023-24 annual report states that the final stage completed in April 2024. Source
Workforce and lower tiers
Subcontract personnel and specialist suppliers
Named party
Organizations not disclosed
Status
Reported
Source position
The annual report records 18 subcontractor personnel including four apprentices and trainees; this does not identify 18 companies or their workshare.
Project timeline
Material developments
Dated events that changed scope, counterparties, delivery, commissioning or operating status.
The owner records completion of the AUD 10 million project and publishes installed quantities, local-manufacturing outcomes, geographic spend and workforce facts.
Estimated total capital cost reaches AUD 10.014 million
The 2022-23 annual report updates the project-level estimate to AUD 10.014 million without changing the common contract's separately published commercial fields.