Civil Engineering
Port Construction

Deep Dive Co. Ltd professional team has a long standing experience in construction works for ports, pier heads, bridges and pipelines. We offer a great number of services to civil and port administrations including underwater construction and inspections after collision damages, and the inspection and protection of jetties and sea beds.


Our team has a long and unique experience in underwater constructions line such as:

  • Installation of geo-textiles on seabed

  • Underwater gravel bedding and levelling

  • Block settings grouting / sealantsUnderwater concrete works

  • Seabed protection works

  • Underwater cutting and welding

  • Underwater demolition works

Underwater Pipelines

We have the capability to install, maintain and repair pipelines outfalls or intakes. A variety of techniques and equipment is utilised to carry out this work.


Basically pipelines fall into the following categories:

  • Oil and gas transfer lines

  • Main pressure water lines

  • Sewer lines

  • Intake delivery lines for cooling water and other uses

  • Discharge lines from cooling water and other locations

Underwater Cables

Deep Dive Co. Ltd can provide divers for your underwater power, fiber optic or communication cable needs, from installation to emergency repair and maintenance, we can maintain your subaqueous cables.


Our submarine cables services include but not limited to the following:

  • Trenching and laying of sea cables

  • Cables installation and maintenance

  • Shallow water cable repairs

  • Cable transportation and cable transfer loading support

  • Supply & installation of cable protection systems for fiber optic & power cables

  • Find, recover and repair of cables after anchor contact

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