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Single-lift removal of the 17,000-tonne Brent Alpha topsides – third of the four iconic Brent field platform removals – and delivery to the UK for recycling.
Company : Shell UK
Location : UK North Sea, 186 km northeast of Lerwick, Shetland
140 m
Water depth
Scope of work
- Engineering, preparation & removal of 17,000-tonne Brent Alpha topsides
- Transfer of topsides from Pioneering Spirit to Iron Lady for load-in to Able UK disposal yard, Hartlepool, England
- Pre-lift preparation work (incl. design of underdeck lift points & strengthening of the module support frame)
- Cutting & seafastening of the platform legs
- Design & fabrication of lifting yokes, support stools & grillage
17,000-tonne
Brent Alpha topsides
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Specials & challenges
- One of the heaviest offshore lifts in history
- Efficient design, fabrication & installation of lift points, & strengthening while platform still being decommissioned
- Design & fabrication of lift yokes
- Modification for reuse of Brent Delta leg support structures
- Design, fabrication & installation of shear restraints for topsides stability after leg cutting
- Design, fabrication & installation of 3x GBS leg covers & navigation aid
3x
GBS leg covers & navigation aid
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