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Caisson replacement, Norway

The caissons at a floating platform had extensive corrosion problems, and the structural integrity was at a critical limit.

Project details

  • Cleaning of caissons.
  • Wall thickness inspection and inspection of ovality.
  • Cutting with diamond wire saw.
  • Clamp Access Tool used for all underwater operations.
  • Caisson cut at -8 and +12 meters and new section installed.
  • Clamp installation.
  • No use of divers, ROV or support vessels.