Successful T r a n s p o r t Of Biggest-Ever D e c k Structure C o m p l e t e d By N e p t u n / NC

The 40,660-ton deck for the Statfjord 'C' production platform, reported to be the biggest structure ever moved by water, has been successfully transported from its building yard to the mating site by the Neptun/Norwegian Contractors joint venture.

The deck was fabricated by Moss Rosenberg Verft, Stavanger.

For this operation, Neptun deployed four big submersible pontoons. Two single pontoons flanking a further pair mounted "piggyback" provided the lifting power to raise the huge structure from its building supports at the yard. The deck was then towed on the pontoons to the deepwater site at Vats.

•The integrated deck was connected to the gravity base structure and the completed Stafford 'C' production platform is planned to be ready for tow-out to the North Sea in June of this year. Operator for the S t a t f j o r d Group is Mobil.

The technique for this operation was developed by Neptun/NC for the transport of the similar Statfjord 'B' deck.

Maritime Reporter Magazine, page 7,  Apr 1984 New Jersey

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Maritime Reporter

First published in 1881 Maritime Reporter is the world's largest audited circulation publication serving the global maritime industry.