Subsea Tunnel Specialists

Norconsult is Norway’s largest consultancy and a global leader in Norwegian Tunnelling Method (NTM) and subsea tunnel engineering, delivering safe, cost-efficient and sustainable underground solutions. With unmatched experience in the NTM and engineering geology, we support international clients in all phases—from feasibility studies to detailed design, construction follow-up and documentation.

Why Norconsult
  • Cost-efficient tunnel solutions through optimized excavation/blasting, support design and project phasing.
  • Predictable costs, schedules and risk control, built on decades of performance data from complex Nordic geology.
  • Full in-house expertise, covering geology, geotechnics, structural engineering, hydrogeology, MEP, road/rail design, safety, and digital workflows.
  • Leading in parametric tunnel design, enabling rapid, consistent and high-quality production for long and complex tunnel systems.

 

Subsea Tunnel Expertise

Norconsult is one of the world’s foremost designers of long and deep subsea tunnels, with strong competence in high-pressure rock behaviour, water ingress control, marine crossing alignment, safety concepts, and advanced hydrogeological analysis.

Subsea tunnels We have contributed with planning, consulting, and specialized expertise in the development of the majority of today's underwater tunnels in Norway. With experience from some of the most complex projects, Norconsult delivers solutions that combine safety, innovation, and efficiency.

Underwater tunnels are a very good alternative to ferries. They range from 5 km to 15 km in length under a strait.

  • Jens Petter Henriksen

    Prosjektdirektør Tunnel

  • Contact us