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Marine Inspection & Non-Destructive Testing

Bridge Pile Inspection

Gray Diving offers a complete inspection and testing service for:

Our service covers Non Destructive Testing in both the Ultrasonic and Magnetic Particle Inspection disciplines, with up to date equipment owned by GDS.

Ultrasonic Testing (UT)

G.D.S. is able to offer a range of Ultrasonic testing services including thickness testing using both digital and "A scan" equipment along with full weld inspection using angle beam probes.

Magnetic Particle Inspection (MPI)

M.P.I can be provided for surface crack detection using dedicated equipment employing direct and indirect magnetisation systems. Surface preparation of the test pieces is also part of the service and ranges from high pressure water blasted surfaces, abrasive grit blast or machined finishes. Personnel hold both national and international inspection qualifications with an extensive background in offshore and onshore surveys of structures and components.

General inspection tasks are supported by High Resolution Colour Video equipment which utilises the latest digital image enhancement technology.

Real time monitoring at the surface enables clients to observe the video and direct the works as required.

These images can then be stored to conventional USB drives or made available through electronic media directly to the client's office.

Still photography systems using digital underwater cameras provide a range of photographic presentations including photo-mosaics, overall wide angle, and macro photography. Detailed inspection reports and CAD drawings are provided.

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Inspection & Testing Projects

WaterNSW

Periodic inspection of submerged infrastructure on dams throughout NSW.


Maunsell Ltd

High pressure water blast cleaning and ultrasonic testing of 1km of sheet piling at Brotherson Dock, Port Botany.


Caltex Refining Ltd

Major pipeline thickness testing program of submarine pipelines in Botany Bay.

Routine inspection,repair and documentation of underwater facilities.


Roads & Maritime Services

Ultrasonic weld testing of piles at Darling Harbour.

Inspection, NDT and repair of various RMS facilities in Sydney Harbour & Botany Bay.

Inspection of underbridge structures on bridges throughout NSW.


State Rail

Inspection and NDT of rail bridges throughout NSW.


Hunter Water Corporation

Contracted periodic inspection, repair & maintenance of ocean outfall structures in the Hunter region.

Other Commercial Diving Services

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