Mammoet is set to redeploy its PTC210-DS ring crane in Rotterdam to upgrade the A-Frame of the Svanen heavy-lift installation vessel that will construct the Baltic Power offshore wind farm.
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The vessel, owned by Dutch maritime company, Van Oord, is being upgraded to accommodate larger offshore wind turbines. The upgrade will enable the Svanen to install new generation monopile foundations at sea, such as the 15mW wind turbines it will be installing on the Baltic Power offshore wind farm.
The project, according to Mammoet, will be optimised by the immediacy and availability of the PTC210-DS ring crane that was chosen by Van Oord because it is one of the few cranes in the world capable of performing the job.
“These two unique pieces of equipment are in the same place at the same time. The lift capabilities and location of the PTC will greatly mitigate downtime for the vessel,” said Julian Alkemade, Project Manager at Mammoet. “Normally, such a project could take a year or so to plan, but here it has only taken a few months due to the crane’s availability and its unique capabilities as one of the world’s largest.”
The 3200-tonne capacity ring crane will lift the complete, prefabricated A-frame onto the Svanen. The frame is made up of three main components that were fabricated by Holland Shipyards and were moved, lifted and transported by Mammoet to its quayside headquarters in Schiedam, The Netherlands.
There, the different components of the A-frame will be assembled and then driven 66m along the waterfront using 64 axle lines of Mammoet Self-Propelled Modular Transporters, ready for the PTC to perform the lift.
The completed A-Frame will increase the total height of the Svanen to 125m.
The configuration of the PTC to perform the lift will be 105m of main boom and 66m of luffing jib, with more than 4000 tonnes of counterweight in use.
Installation of the frame will take one week during April and May due to the crane’s availability in Rotterdam and the fact that the A-Frame can be lifted as a single unit.
News of the PTC210-DS’ exploits come after Mammoet released brilliant images of the machine’s previous work, lifting leg cranes onto the Wind Orca and Wind Osprey vessels for Cadeler.
READ MORE:
- GALLERY: 3200-tonne ring crane assembles offshore wind farm crane vessels.
- VIDEO: Mammoet assembles monstrous ring crane.
- CICA ‘Cranes in Wind’ forum: exploring the winds of change.