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Commercial Diving and Marine Engineering Excellence

As a trusted name in the industry, Aus Coast Diving & Marine (ACDM) provides professional, full-spectrum underwater engineering services for critical assets across coastal, offshore, and inland environments. Our certified team leverages deep commercial diving expertise, advanced technology, and rigorous ADAS compliance to deliver precise, safe, and cost-effective solutions for your most demanding construction, maintenance, and inspection requirements.

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Mission Statement

Our mission is to provide professional, safe, and efficient underwater engineering solutions that uphold the structural integrity and longevity of critical marine infrastructure. Through an unwavering commitment to ADAS compliance, tailored service delivery, and excellence in workmanship, we aim to be the trusted partner for all commercial and industrial underwater projects.
Industrial Diving Acdm

Industrial Diving Services

Precision and capability for complex industrial tasks. Our highly skilled commercial divers are equipped for a vast range of underwater applications, including specialised welding, cutting, non-destructive testing, and complex installation projects across all operating environments.

Underwater Inspection & Reporting

Underwater Inspection & Reporting

Protecting your assets through comprehensive structural intelligence. We utilise state-of-the-art technology and ADAS-certified divers to perform detailed hull, mooring, infrastructure, and seabed inspections, providing accurate, timely reports and proactive maintenance recommendations.

Marine Salvage & Recovery

Marine Salvage & Recovery

Rapid response and expert recovery for assets and environment. ACDM delivers professional marine salvage operations, including the safe and compliant removal of sunken vessels, cargo, debris, and concrete structures, minimising environmental risk and operational downtime.

Marine Construction Services

Marine Construction Services

Building and enhancing the foundation of your marine assets. From new pier and dock construction to seawall installations and pipeline infrastructure, our team provides certified, robust underwater construction solutions that ensure stability and long-term performance.

Drone Survey

Drone Survey

Aus Coast Diving & Marine has expanded its inspection capabilities to the skies, offering high-resolution aerial drone surveys for comprehensive marine asset management. Utilising advanced 4K video and high-fidelity still imagery, we provide a bird’s-eye perspective that complements our sub-surface expertise. From marinas and wharves to large-scale port infrastructure and vessel inspections, our drone services deliver a complete visual record of your assets in their entirety.

Specialist Marine Hire & Support

Specialist Marine Hire & Support

Equipping your project with reliable, certified marine assets. ACDM offers a fleet of specialised vessels and essential diving equipment for hire, complete with qualified Vessel Masters and logistical support, providing reliable and compliant foundational support for your operations.

ACDM Capabilities

ACDM Capabilities

Our core capability lies in underwater construction services, which is seamlessly supported by our provision of specialist above-water activities, including expert project management.

Our team of Commercial Divers are highly experienced and fully certified in compliance with AS2299:1 2015.

Beyond diving expertise, our personnel hold qualifications in a diverse range of specialized trades, including:

  • Vessel Masters (for our fleet operations)

  • Marine and Civil Construction

  • Marine Scour Solutions

  • Water Asset Management

  • Rigging and Dogging

  • Marine Construction and Engineering


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Featured Projects

EPA Environmental Protection Authority NSW disaster recovery - Taree and North Coast NSW

EPA Environmental Protection Authority NSW disaster recovery - Taree and North Coast NSW

Provided expert marine salvage and dive operations to clear flood-related hazards and man-made debris from NSW North Coast waterways for the EPA. Utilising specialised equipment and environmental safeguards, the team ensured the safe removal and recycling of submerged materials to restore environmental and navigational safety.

Underwater Structural Examination – Sydney Trains Underbridges

Underwater Structural Examination – Sydney Trains Underbridges

Delivered detailed underwater examinations of critical rail underbridges to assess structural integrity and foundation stability. Accredited dive crews removed marine growth, performed video survey logs of submerged piles, and conducted scour examinations and bed profiling to identify potential defects or impact damage.

Underwater Bridge Examination – Roseville & Menai Bridges

Underwater Bridge Examination – Roseville & Menai Bridges

Completed detailed underwater structural inspections and ratings for the Roseville Bridge and Menai Road Bridge in accordance with TfNSW bridge inspection procedures. The project team conducted comprehensive video camera logs, water sampling, and bed profiling while managing all waterway traffic controls to ensure operational safety and structural integrity

Pier and Pile Rejuvenation Major Ports – SRG Global

Pier and Pile Rejuvenation Major Ports – SRG Global 

We delivered expert commercial diving services to support the comprehensive rejuvenation of wharf pylons, including high-pressure marine growth removal and specialized underwater inspections. The project involved detailed ultrasonic thickness testing (NDT), pile mapping, and structural weld repairs to ensure the long-term integrity and durability of critical port infrastructure

Why Choose Aus Coast Diving & Marine? 

  • Highly skilled & experienced commercial divers 
  • Tailored diving services to meet the unique needs of each client 
  • Equipped with the latest diving equipment & technology 
  • Commitment to safety, quality & customer satisfaction 
  • Adherence to all relevant safety regulations & guidelines 

Connect with Aus Coast Diving & Marine today and experience the difference of working with professional underwater construction and maintenance experts! 

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Why Choose Aus Coast Diving & Marine?
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Aus Coast Diving & Marine is the leading commercial diving and marine service on the Mid North Coast, Northern Rivers and surrounds. Our highly experienced team offers underwater construction and maintenance, underwater inspection, marine salvage and industrial diving. We use specialised, up-to-date equipment for fast, effective results. To learn more, get in touch today.