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Allseas’ 228-meter Hidden Gem is being equipped with a deep-sea mineral collection system to recover polymetallic nodules from the ocean floor and transfer them to the surface for transportation to shore.
Allseas is equipping Pioneering Spirit with a second unique lift system capable of removing and installing complete offshore jackets weighing up to 20,000 t in one go.
Allseas’ heavy lift vessel Pioneering Spirit has completed its first decommissioning job of this summer, the single-lift removal of Shell U.K. Limited’s Brent Alpha platform from the North Sea.
Pioneering Spirit is the world’s largest platform installation/decommissioning and pipelay vessel built for the Allseas company. The ship is also by far the world’s largest vessel overall ever constructed in terms of its gross tonnage of 403,342 gt, as well as its breadth (123.75 m/406 ft) and displacement (900,000 metric tons).
Equinor Energy on behalf of the Statfjord A Unit, has awarded Allseas a contract for the removal, transfer, load-in to shore and disposal of the 48,000 t Statfjord A platform topsides.
Allseas’ dynamically positioned single-lift installation/decommissioning and pipelay vessel “Pioneering Spirit” successfully executed her maiden heavy lift project, removal of the 13,500 t Yme MOPU in the North Sea.
Crowds of people turned out to watch as the world’s largest vessel, Allseas’ “Pioneering Spirit”, departed Rotterdam Saturday morning 6 August, Allseas’ record-breaking single-lift installation/decommissioning and pipelay vessel has been moored in Rotterdam’s Alexiahaven since January 2015 for installation, commissioning and testing of the topsides lift system.
Allseas’ has successfully completed commissioning of the Topsides lift system and the major part of the harbour test programme of the single-lift installation/decommissioning and pipelay vessel “Pioneering Spirit” in the Alexia harbour, Rotterdam, at the end of July 2016.
The finishing touches are being added to the world’s largest vessel, Allseas’ Pieter Schelte, at the port of Rotterdam over the next few months. The building of the heavy lift and pipelay vessel has been and continues to be one of Lloyd’s Register’s most ambitious and complex projects.