Accredited Diving Services Australia-wide
Commercial Diving Services ®
Since 1955
Accredited Diving Services Australia-wide
Commercial Diving Services ®
Since 1955
Underwater Welding Services
At CDS, we provide advanced underwater welding solutions that meet the highest industry standards for quality, safety, and reliability. Whether it’s structural repair, anode installation, or vessel maintenance, our team delivers precise, efficient work in even the most demanding marine environments.
What We Offer
Our certified commercial divers are also coded welders, trained to execute structural and maintenance welding tasks in accordance with AS/NZS ISO 9606.1-2017 and ISO 5817 Level B. We specialise in:
On-site structural welding below the waterline
Performed in 2F, 3F, PG, and other challenging positions
For cathodic protection of ships and fixed marine structures
For commercial vessels, jetties, bridges, and pipelines
Rapid mobilisation for time-critical structural interventions
Including curved or custom plates for reinforcement
Applications Across Sectors
Our underwater welding services support a wide range of industries:
Our Process
Assessment & Planning
We begin with a thorough evaluation of the structure, conducting risk assessments and planning a tailored welding strategy.
Execution
Our experienced underwater welders use cutting-edge equipment to execute precise and high-quality welding operations.
Quality Assurance
Rigorous inspection and testing procedures ensure every weld meets industry standards, enhancing asset integrity and safety.
Frequently Asked Questions (FAQs)
It’s a specialised process that repairs or constructs submerged structures using techniques and equipment designed for underwater environments.
It requires unique equipment and safety protocols to work in challenging underwater conditions while maintaining weld quality.
It minimises downtime by eliminating the need for dry docking, reduces overall repair costs, and extends the lifespan of marine assets.
Absolutely—our certified professionals adhere to strict safety procedures and use advanced technology to ensure a secure operation.
Why Choose CDS?
With over 70 years of experience, CDS combines innovation with a proven track record in underwater welding. Our commitment to safety, advanced technology, and customised solutions makes us the trusted partner for marine asset repair and maintenance.
Enhance your marine asset’s durability with CDS’s expert underwater welding services. Contact us today for a consultation and discover how our solutions can transform your underwater operations.
Recent Welding Projects
Marine Welding & Inspection Solutions | In Partnership with McConnell
High pressure water cleaning of underwater structures prior to inspection
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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We service all of Australia from multiple service locations. Our Head Office is based in Sydney.
