At DCN Diving, we create dry workspaces underwater in several different ways. By performing the work as if it were on dry land, we can operate more safely, efficiently and with higher quality results. Depending on the location and nature of the project, we apply the most suitable method. Whether for offshore platforms, pipelines, hydropower dams or quay walls. With our techniques and experience, we make every underwater project controllable, safe and sustainable.
When working offshore, conditions deep underwater can be tough. That’s where habitats come in. They provide pressurised, dry workspaces around pipelines and subsea structures, allowing our divers to carry out inspections, welding and repairs safely and efficiently. Even hundreds of meters below the surface.
To make these operations even more practical and flexible, our engineering team developed the micro habitat. Compact and quick to deploy. It allows precision work on offshore platforms and other subsea structures with greater ease, giving our divers the tools they need to focus on the task at hand.
At DCN, habitats transform complex underwater operations into controlled, manageable workspaces, where expertise, precision and innovation come together.
Read more about our Habitats
At DCN Diving, our Inshore Department uses cofferdams to make complex inshore projects easier and safer to execute. For example, when working on long sections of quay walls.
By installing a cofferdam, we can temporarily create a dry workspace within the water. This controlled environment allows our teams to work more efficiently, ensuring higher quality results while reducing the amount of diving work required.
Read more about our Cofferdams
At DCN Diving, our Hydro Power Dam Department primarily uses bulkheads for dam projects. Bulkheads are specifically designed to isolate a full or partial section of an underwater structure and are temporary by nature. Once the civil works are completed, the bulkhead, or sections of it, is removed.
The depth rating of a bulkhead is essentially unlimited; in practice, limitations are usually determined by the integrity of the subsea structure when dewatered.
Bulkheads can be applied in a variety of ways, including:
This flexibility makes bulkheads an essential tool for safely and efficiently managing underwater construction and maintenance projects in Hydro Power environments.
More about our Bulkheads
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