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Spectacular baptism of Allseas Pioneering Spirit

Global leading marine construction contractor Allseas unveiled the world’s largest platform installation and decommissioning pipe-lay vessel ‘Pioneering Spirit’ at an inauguration ceremony staged in the port of Rotterdam. Neptunus played a role at the spectacular naming celebration by providing the hospitality facility, built on a pontoon adjoining the giant twin-hull catamaran, for the hundreds of guests attending the ceremony.

Pioneering Spirit is the latest edition to Allseas’ fleet. Measuring 382 metres by 124 metres, the twin hulls are linked by a huge platform and cover an area equivalent in size to eight football fields or two super tankers.  It has a topside lifting capacity of 48,000 tonnes with a pipe-lay capacity of 2,000 tonnes.  The vessel was mainly constructed in South Korea before arriving in Rotterdam for final fit-out ahead of the official naming ceremony.   It is the largest vessel to sail into the port’s Maasvlakte terminal.

The ceremony was coordinated on behalf of Allseas by events organiser Production World which commissioned Neptunus to supply the temporary infrastructure for the high-profile inauguration.

Neptunus supplied two Evolution structures with a total floor space of 975 square metres and a 50 square metre Alure on the quay side to form a temporary bus terminal and accreditation area for guests.  

However, the biggest challenge saw Neptunus’ technical team  create the main hospitality facility on the pontoon in a 3,000 square metre double-deck Evolution, including a mezzanine level, providing space for a reception, hospitality and dining areas.  The facility also had an internal staircase and an elevator.   A series of Alure Globe structures formed a covered entrance walkway to the main building.

The entire facility was constructed on the floating pontoon requiring thousands of tonnes of materials to be transported from the quay side across the water.  Neptunus’ technicians successfully completed the complex build, including the preparation process, in just five weeks despite working in adverse weather conditions with strong winds gusting in the port throughout. All Neptunus’ facilities are demountable and the structures were dismantled and removed following the event.

Neptunus’ temporary buildings provide accommodation for a wide range of uses including supermarkets, warehouses, sports halls and restaurants. Neptunus Director Dorrie Eilers said: "This structure is designed to meet the requirements of solid construction and therefore ideally suited for a job in such conditions."

Allseas’ Project Leader Jeroen Hagelstein said: 'Due to the size and location of the event the logistics were quite a challenge. In addition, we also made great demands on comfort and care. By working with the best companies in their field, this event has become a resounding success."

Jeroen Backx, Technical Producer of Production World said: "No other company in the Netherlands and beyond could make such constructions and we are therefore very pleased with the performance of Neptunus."

Spectacular baptism of Allseas' Pioneering Spirit!

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