‍Location 

Birtinya, Queensland

‍

Scope of work

Fabrication and supply of structural steel bridge components and balustrading. Installation and site welding of fabricated components

‍

Award 

Weld Australia Project of the Year 2025

‍

Value

$3,500,000.00

‍

The Challenge

The project presented several fabrication and delivery challenges, including:

• Complex geometry requiring tight fabrication tolerances and precision welding
• Coordination between multiple contractors, consultants, and inspection authorities
• Compliance with AS/NZS 5131 (CC3 Construction Category) and AS/NZS 1554.1 SP (Structural Purpose Welding)
• Conformance to MRTS78 (2020) requirements for Transport and Main Roads bridge steelwork
• Delivery under a compressed schedule to align with broader construction milestones
• Transport multiple oversized loads under pilot (up to 27m long and 5.5m wide)

These requirements demanded meticulous planning, robust quality assurance processes, and expert execution at every stage.

‍

The HVAC Solution

‍

HVAC’s Project and Production Teams developed a tailored fabrication approach that prioritised accuracy, traceability, and schedule efficiency.

‍

Key initiatives included:

• Implementation of a Category 3 (CC3) fabrication and welding plan under AS/NZS 5131
• Full compliance with MRTS78 (2020) and AS/NZS 1554.1 SP through rigorous inspection and documentation
• Development of custom jigs and fixtures to achieve dimensional precision
• Continuous coordination between design, engineering, and quality assurance teams
• Co-ordination of NDT, inspection, and weld traceability to ensure 100% conformance

‍

All work was completed within HVAC Australia’s Redbank facility, ensuring quality control from start to finish.

‍

‍

The Outcome

‍

The Birtinya Bridge Project was successfully delivered on schedule, achieving full compliance with TMR specifications and AS/NZS standards without a single non conformance.

‍

The project’s precision fabrication and collaborative delivery model earned HVAC Australia the Weld Australia Project of the Year Award (2025), national recognition of the team’s capability, quality, and professionalism.

‍

‍

Acknowledgements

HVAC Australia extends its thanks to our valued partners and supporters:

• Brady Marine & Civil
• Georgiou Group
• Stockland
• Red Fox Advisory
• Our trusted suppliers and subcontractors, whose contribution was instrumental to the project’s success.

‍

Key Takeaway

The Birtinya Bridge Project exemplifies HVAC Australia’s capability to deliver Category 3 bridge structures on time and on budget while achieving the highest national welding and fabrication standards, with a focus on safety, quality, and teamwork.

‍