DolWin6 transformer installation

General information

Client Dragados Offshore 
Project DolWin6 transformer installation 
Year 2022 
Location North Sea (Germany) 
Vessels Pioneering Spirit 
Max. water depth 29 m

Scope of work

  • Transport and installation of 10,500 t transformer topsides, 5000 t supporting jacket and bridge
  • Lift, stab and drive the foundation piles (including noise mitigation)
  • Grout the annulus between the piles and pile sleeves
  • Perform jacket cut-off
  • Install the topsides with TLS
  • Install the bridge between DolWin 2 and DolWin 6
  • Perform ROV debris survey

Project specials

  • First offshore wind project for Allseas in the German Bight
  • New legislative area of operations