NDE Offshore

Subsea Construction

Thanks to our long experience with different subsea construction projects in other parts of the world, NDE Offshore can take on various projects.

We offer safe, quality-assured, and efficient solutions for subsea construction.

We have the following capabilities related to subsea construction:

  • In-house engineering
  • Inspection Repair Maintenance technicians
  • Divers (surface-supplied diving and saturation diving)
  • Various ROVs and technicians
  • Multi-purpose daughter craft
  • Multi-purpose supply vessel

Capabilities

The plan forms the basis of a successful project and reduces many risks before they occur.

All successful subsea constructions of any asset depend on a detailed understanding of the seabed conditions. Read about our seabed surveys here. The high installation costs come partly from the demanding environment in which underwater infrastructure is installed. Streamlining the installation process can cut down on and control costs.

The high cost of installation systems drives the need for efficiency and effective planning.

In addition, it is important to plan details such as which components will be used and where they will be installed, as these will be important in the future and to determine how accessible a system is for future inspection, repair, and maintenance.

Subsea intervention

Subsea interventions are necessary when preparing the seabed for the installation of submarine offshore infrastructure such as cables, pipelines, wind farms, etc. This ensures that the seabed is clean and tidy without any obstacles.

Example: To place a pipeline on the seabed, it should ideally be as flat and regular as possible. However, that is not often the case due to the presence of various geophysical features on the seabed.

We offer jet trenching, mechanical cutting, plowing, airlifting, and offshore geotechnical services. We have certified staff and equipment for surface-supplied diving, saturation diving, and ROV operations.

A reliable seabed intervention’s overall objective is that the surface should be as flat and regular as possible. If it is not flat, pipelines, for example, may need to be installed in a trench or buried in the seabed to prevent the pipeline from being overloaded due to instabilities. According to regulations, pipelines will be buried to protect them from fishing activities or external disturbances once they reach the shoreline. Before installation, we carefully prepare the trenches in the seabed to reduce the risk of span and overstress, ensuring a resilient and safe installation right from the start.

NDE Offshore has experience in carrying out the following underwater installations and can offer the following services:

Cable Installation
NDE Offshore can prepare for and install underwater cables.
Cables are often buried in trenches created to protect them from damage.

Project managment

NDE Offshore also meets the requirements for project management of underwater installations as we have a specialist team of engineers and project managers.

  • Construction & project management
  • Engineering & procurement
  • Consultancy services

Learn more:

Are you interested in learning more about this capability?
Contact: sales@ndeoffshore.com