LAB Verduyn B.V. provides welding support services in the area of:
December 2013
Spudcan modificatiion “Aeolus” Van Oord.
www.nmcmaritime.comNMC BV. Nieuw lekkerland awarded the contract of the
company Van Oord, to modify 4 Spudcans of the under
construction being jack-up rig, the "Aeolus". Summarized,
this means that there should be welded 4 flanges to make
the spuds divisible to be mounted together during installation.
Those divisible flanged connection exist out of a STE460QT 
100mm forged flange with a diameter of 4500 mm, and should be welded to a 100mm thick steel tube rolled from S690QL1 material. The assembled components have a unit weight of 150 tons. A very complicated job……. so LAB Verduyn BV. was asked to supervise the welding throughout the complete project, according to the DNV OS C-401 rules.
Spudcans in vertical position for rotated SA-Welding.
150 tons Spudcan with 100mm S690QL1 tube.
Ø4500mm x 100mm STE460QT forged flanges.
Welding procedure qualification.
Welding detail incl. macro etch.
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