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Seven Falcon

The Seven Falcon is one of the most advanced diving vessels in the world. Nordic Steel has fabricated the steel structure of a hydraulic folding crane jib, designed by Subsea7, for the main crane on the ship.

The flexibility of the ship increases considerably during offshore operations, as both port and starboard sides are allowed to be used.

0.1 millimeter precision

The steel structure is hydraulically controlled and can be handled easily and safely.

- The holes for the hinges are made with 0.1 millimeter precision to avoid slack. This is crucial when it comes to such a heavy weight," explains Roy Husa, project manager at Nordic Steel.

The crane pedestal weighs 10.5 tons. Added to this is a framework that surrounds the equipment. The construction is made of carbon steel.

Lifting test of crane pedestal at Nordic Steel

Completed in a short period of time

Nordic Steel received the assignment from Subsea7, which owns Seven Falcon. After the equipment was manufactured, it was tested, painted and delivered to Subsea7 for installation on the ship.

The assignment had a tight deadline and was treated as an urgent assignment.

- It was a special assignment and we mobilized significant resources to deliver on time. We are pleased to see that the equipment is now mounted on the ship and in use by Subsea7," says Roy Husa.

Seven Falcon with crane pedestal aft (Photo: Subsea7)
The crane rests on the pedestal (Photo: Subsea7)
Increased flexibility for the ship with the use of the crane (Photo: Subsea7)
10.5 tons of carbon steel
During lifting test at Nordic Steel
Crane pedestal (Photo: Subsea7)

Subsea7
Subsea7

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