[2] In the early 1980s these vessels set several lift records while operating in the North Sea.
[3] Conversion to a DCV was carried out in 2001 by Verolme Botlek BV in the Netherlands.
[5] The 98 m J-Lay tower, designed and constructed by Huisman Itrec, is capable of laying pipe in water depths to 3,000 m (10,000 ft).
Balder was also equipped with class III dynamic positioning system and a mooring line deployment winch.
The winch is the largest in the world, with a diameter of 10.5 meters and a safe working load (SWL) of 275 t.[6] The Balder has two cranes (3600 t, 2700 t).