Seaway Heavy Lifting, part of Subsea 7 Renewables & Heavy Lifting Business Unit, is awarded the sizeable contract for the transport and installation of 90 WTG foundations and two offshore substations  Read more
Our highly skilled and motivated on- and offshore professionals are passionate to work on detailed, effective and maximum added value solutions.
We in-house operate high quality fulfilment equipment like hammers, upending tools, generators and ILT’s in order to work as efficient as possible.

Key features:

  • Highest offshore workability
  • Safe, reliable and proven installation solution
  • Full flexibility, capable of maintaining project schedule
  • Lump-sum installation contract; full weather risk taken by Seaway Heavy Lifting
  • Crane and deck capacity significantly improve safety and provide efficient handling

Scope

Transport and installation of the remaining 66 monopiles, 71 transition pieces,

2 substation topsides
Client Scira Offshore Energy Limited
Dimensions Monopiles
Weight (up to)
531.0Mt
Length 
61.0m
Diameter (foot)
 5.7m
Penetration
37.0m (approximately) 
Weight
220.0Mt
Length 
25.0m
Diameter 
5.0m
Weight (each)
900.0 Mt


Waterdepth 14.0 – 24.0 m (LAT)
Fabrication

Monopiles
Roermond, The Netherlands
Transition pieces
Hoboken, Belgium
Substation topsides
Hartlepool, England


Delivery Point Flushing, The Netherlands 
Installation Period Spring – Summer 2011
Offshore Installation Duration 1.7 days per foundation