Norwegian company BOA has been awarded a major contract by Jan De Nul and DEME JV TM Edison for the launching of 23 concrete caissons for the Princess Elisabeth Island, located in the Belgian part of the North Sea.
For launching of these caissons with weights up to 22.400 t, BOA will provide the semi-submersible Boa Barge 33 (140 x 57,05 x 8.54), modified to manage load-outs of extreme weights over the stern.
The Boa Barge 33 has capacities of submerging up to 21.5 metres of water above deck, uniform deck strength of 31.5 t/metres2 and a free deck are 5,800 metres2 and can accommodate the load-out and float-off of heavy loads.
BOA scope of work also includes project engineering and operational management.
The operations will commence during spring 2024.
The Princess Elisabeth energy island will connect the wind farms from the sea to the mainland and create new connections with other European countries such as the United Kingdom and Denmark.