Survey for longest HVDC link in the world
Statnett SF and National Grid International Ltd have awarded MMT (Sweden) the marine survey contract for the NSN Seabed survey, a power transmission link between Norway and the UK.
Statnett and National Grid are jointly developing a project to construct a High Voltage Direct Current (HVDC) electrical interconnector between Norway and Great Britain. MMT will be performing the route survey for this project between Hylen, Norway and Blyth, UK. The survey started last month and will be completed in August.
The length of the cable route is approximately 711 km and the assignment includes geophysical, geotechnical, benthic, archaeological and ROV operations.
For the offshore part, MMT will provide geophysical and benthic surveys from MV Franklin. The offshore survey vessel Stril Explorer is assigned for the ROV and geotechnical investigations. MMT’s vibrocorer and CPT will be launched from Stril Explorer for seabed sampling.
MMT will use the survey vessels SeaBeam and Askholmen for the nearshore survey.
Once installed, this will be the longest marine HVDC link in the world.
