23 Giant Concrete Caissons Floated: Princess Elisabeth Island Hits a Critical Build Milestone as North Sea Installation Restarts This Spring Jan De Nul completes float out of 23 caissons for #PrincessElisabethIsland as offshore installation resumes this spring. Built for #Elia with #DEME, th e North Sea energy island aims to connect #OffshoreWind farms.

Jan De Nul completes float out of 23 caissons for #PrincessElisabethIsland as offshore installation resumes this spring. Built for #Elia with #DEME, th
e North Sea energy island aims to connect #OffshoreWind farms.