The work to raise the four primary anchors is expected to take about 12 hours, with four secondary anchors to be subsequently lifted in a similar operation to leave the semi-submersible unit attached to tugboats in Broad Bay at the Isle of Lewis in Scotland, according to the UK’s Maritime & Coastguard Agency (MCA).

Offshore Heavy Transport’s heavy-lift vessel Hawk is meanwhile being ballasted down, meaning it will be submerged to take the rig onboard, as a weather window has opened up for transport of the 17,000-tonne unit.

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