Floating sheerlegs and crane vessels offer cost-effective and flexible solutions for heavy lift projects. Sheerlegs are frequent visitors to ports, shipyards, offshore construction facilities and major civil projects. Self-propelled crane vessels are able to perform heavy lift works offshore.

Sheerlegs primarily carry out specialist heavy lift activities around the world on projects, requiring specialist in-house engineering skills. Most of the floating sheerlegs have their own means of propulsion.

Boskalis' floating sheerlegs have lifting capacities ranging from 400 to 5,000 tons.

Bokalift 1 crane vessel

In 2017 Boskalis converted one of its semi-submersible heavy lift vessels into a self-propelled crane vessel, including a 3,000 ton revolving crane. The available deck space of 165m x 43m is unique in its sort. The Bokalift will be used:

  • to install jackets and monopiles for offshore wind turbines
  • for the decommissioning of obsolete oil and gas platforms
  • for transport and installation of new-build oil and gas production platforms.

Due to its DP-2 capabilities there is no loss time for anchor spread deployment. The vessel can accommodate 150 persons and will have a helicopter deck available for offshore transfers. Delivery is expected at the beginning of 2018. 

 A sister vessel is also scheduled for conversion into a 3,000 ton crane vessel.

Giant 7

In 2016 the Giant 7 has been converted into a construction vessel with a 600 ton revolving crane and accommodation for 73 persons.

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