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Business Scope
Construction & Demolition
Pipelines and Culverts
Submarine Drilling and Blasting
Culvert Rehabilitation and Repairs
Underwater Slope and Scour Protection
Protection of Marine Structures
De-Silting and Cleaning
Underwater Concrete Cutting / Coring
Underwater Inspection and Surveys
Cable Landing Works
Confined Space
Vessel Inspections and Surveys
Hazardous environment
Diving Equipment
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Works of Diving Hong Kong Co. Ltd. is able to provide underwater services in confined space.

All our divers have undergone the Hong Kong Government’s training schedule to become Certified Workers for employment in a confined space.

Confined spaces underwater include:

 Pipelines
 Culverts
 Water treatment Chambers
 Penstock Chambers (See Photo at Right)
 Manholes
 Tubular Bore Piles
 Intake Shafts

The types of work that can be carried out inside a confined space are generally no different to those of open water, although the space available may limit the use of some larger tools or machinery.

Predominantly in Hong Kong confined space work includes:

 Cleaning
 CCTV Inspection
 Culvert Rehabilitation
 Application of materials for joint/crack sealing

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