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SSCV Thialf is a huge semi-submersible crane vessel operated by the Netherlands-based Heerema Marine Contractors; it was the largest crane vessel in the world until the SSCV Sleipnir became the largest in 2019.
The SSCV Thialf was added to the HeereMac fleet, and upon the split of the companies in December 1997, Heerema took ownership of the Thialf, the largest deep water construction vessel and is capable of a tandem lift of 14,200 t (15,600 short tons)
The drydock construction was a unique factor in Sembcorp's favor when Heerema was evaluating bids for construction. [5] The first steel was cut for the cranes, which were being built in China, in July 2015. [21] [24] Heerema announced the NSCV would be named Sleipnir, for Odin's eight-legged horse, on December 18, 2015. [25] Thialf and Sleipnir ...
In 1963, Heerema converted a Norwegian tanker, Sunnaas, into a crane vessel with a capacity of 300 tons, the first one in the offshore industry that was ship-shaped. It was renamed Global Adventurer. This type of crane vessel was better adapted to the harsh environment of the North Sea. SSCV Thialf in a Norwegian fjord
Thialf in Norwegian fjord with Fulmar single anchor leg mooring (SALM) buoy. Iolair on Elbe river , 1990 The Brazilian Petrobras P-51 semi-submersible oil platform The advantages of the semi-submersible vessel stability were soon recognized for offshore construction when in 1978 Heerema Marine Contractors constructed the two sister crane ...
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Named after the offshore pioneer Pieter Schelte Heerema , the father of Allseas' owner Edward Heerema, the design featured a lifting system at its bows for lifting platform topsides up to 48,000 tonnes (53,000 short tons) and a lifting system at its stern for lifting steel jackets up to 25,000 tonnes (28,000 short tons). The design also ...