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Port Kembla Gas Terminal Project

Port Kembla Gas Terminal Project

In August 2023, Commercial Diving Services was engaged by McConnell Dowell to deliver specialist marine welding and inspection solutions at the Port Kembla Gas Terminal (PKGT). This large-scale infrastructure project reflects our commitment to delivering robust, economical, and future-focused solutions in complex marine environments.

Scope of Work

Our team conducted both underwater and above-water operations on the newly constructed quay wall. The primary objective was to strengthen structural integrity using coded welding techniques and install a new cathodic protection system.

Underwater Operations Included:

  • Visual inspections via ROVs and diver-held video/still cameras

  • Seabed dredging and targeted grout removal

  • High-pressure water blasting and steel surface prep

  • Coded underwater welding to AS/NZS ISO 9606.1-2017 (ISO 5817 Level B), positions 2F and 3F/PG

  • Installation of curved steel plates for wall reinforcement

  • Deployment of over 300 wet anodes (165kg each) as part of the cathodic protection system

 

Underwater Operations Included:

Above-Water Operations Included:

Achievements at a Glance:

Team & Resources

Key Challenges & Solutions

This project presented challenges typical of high-risk underwater infrastructure work—tight timelines, environmental conditions, and critical structural requirements. Our ability to combine innovation with deep industry knowledge ensured precise execution and strict adherence to safety, quality, and environmental standards.

Client Collaboration

We’re proud to have delivered this project in collaboration with McConnell Dowell. Their partnership and trust in our expertise enabled the successful delivery of a major milestone in NSW infrastructure development.

Looking Ahead

At CDS, we’re continuing to push boundaries in marine construction and maintenance. This project is a clear example of how our team, technology, and approach deliver results that stand the test of time.

Ready to talk about your next marine project?

Contact us today to speak with our team.

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Have questions about our commercial diving services? Whether you need underwater inspections, maintenance, or emergency response, our expert team is ready to assist. Contact us today to discuss your project!”

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