HGTC Commercial Diving Services is specialized in the supply of professional experienced contract personnel to complement our clients existing teams on either long or short-term contracts. We have our own professional employees inspection (Diving & Survey Team) to provide our clients with wide variety of qualified and experienced people equipped with the skills and knowledge needed for a huge range of inspection, survey and any underwater jobs.

General Offshore Construction

Subsea Grit-Blasting. Salvage Operation.
Corrosion Protection – Anode Installation. Dive Support for Subsea Fibre-Optic Cable Lay.
Underwater Burning / Cutting. SPM Subsea Routine Maintenance.
Underwater Welding. Jacket Platforms Routine Maintenance.
Underwater Marine Coating appliance. Wellhead Subsea Operation Intervention.
Cofferdam & Habitat Installations. Subsea High Pressure Water Jetting.

Underwater Inspection Operation

Welds Detailed visual/video inspections. Marine Vessels UWILD Hull inspection.
Close circuit video inspection. Seabed – Scour, debris, search, survey.
Photography Recording – Still / Digital. Marine Growth Surveys & Monitoring.
Corrosion Protection: Anodes & coating. Structural Damage / Dent Inspection.

Marine Construction Works

Breakwaters,     Revetments,     Shore     &     Beach protection. Artificial    Islands,    Reclamations,    Jetties    and

Causeways.

Seawater Intakes, intake lines and headers. Block placing, Geo-textile laying, Scour Protection.
Grating Block walls. Sheet pile works.
Dive support to pipe-lay projects. Underwater tie-ins.
Flanges Hydratight tie-ins techniques. Underwater spool-piece installation.
Risers repair, maintenance & installations. Pipeline Sonar survey.

Pipeline Operation