Dutch transport engineering and heavy lifting specialist Mammoet has wrapped up the transport, loadout and mooring of a 5,461-tonne offshore jacket foundation at Jebel Ali, UAE. The foundation set to support the BorWin6 offshore converter platform BorWin kappa in the German North Sea.

Mammoet wraps up jacket loadout for BorWin6 1

Source: Mammoet

Developed by TenneT and delivered by McDermott International, the BorWin6 offshore grid connection is a 980 MW HVDC connection that will transmit offshore wind energy from the German North Sea to the mainland. Selected as a subcontractor, Mammoet is providing critical jacking, transport and loadout services for the project.

Mammoet transported the structure using 216 axle lines of SPMTs powered by four power pack units (PPUs). Winches supported safe mooring management during critical quay activities, with the foundation piles having been secured for onward travel to Europe for the next phase of the project.

Mammoet’s focus now moves to the next yard phase. Later in 2026, the firm will jack up and weigh the BorWin6 topside, which is expected to weigh approximately 17,000 tonnes. Mammoet intends to deploy its Mega Jack 5200 for the operation.

Mammoet wraps up jacket loadout for BorWin6 2

Source: Mammoet

“As the project moves into its next phases, our team is now focused on preparing for the upcoming jack up, weighing and loadout of the topside later in 2026,” said Tom Brazier, Mammoet project manager. “The Mega Jack 5200 system will be used to provide the control and stability required to handle a structure of this size.”

Last week, HLPFI reported that Mammoet had signed an agreement with Seatrium for the loadout of three substations for TenneT’s 2 GW programme.