Mammoet completes assembly of ring crane for GustoMSC

The colossal 210 000 t crane, which has a maximum lift capacity of 3200 t, will be used to perform crane replacements on two offshore wind installation jack-up vessels (Wind Orca and Wind Osprey) for the shipping/construction company, Cadeler.

Cadeler emphasises the strategic importance of these crane replacement projects to solidify their position as a key supplier in the offshore wind sector.

Erected in Mammoet’s own yard in Schiedam, the Netherlands, the Mammoet PTC210-DS is one of five 5000 t class ring cranes in its fleet, and the only one currently operating in Europe.

One of the largest cranes in the world, the height and size of the PTC210-DS belie its greatest strengths – its versatility and ability to operate in areas where space is limited.

Dirk Knoester, Senior Adviser at Mammoet, said: “The PTC210-DS is the perfect crane for this job. It has a relatively small footprint combined with 360° slewing, and the possibility to switch between fixed and luffing jib mode (as only the PTCs can), resulting in the largest possible working area.

These PTC cranes can also be assembled in numerous configurations and thus a tailor-made configuration is feasible for any job: different mainboom and jib lengths, fixed or luffing jib, different amounts of counterweight, and two ring diameters.”

The PTC210-DS will be used to remove the existing leg cranes from both jack-up vessels and replace them with new GustoMSC high-capacity ones.

GustoMSC has been contracted by Cadeler to design, fabricate, deliver, and install the cranes.

The new leg cranes are fully electric driven and have a 1600 t lifting capacity, making them ready to install and service next-generation wind turbines with capacity ratings exceeding 14 MW.

Remco Zandstra, Senior Commercial Manager at Mammoet, added: “The decision to have the PTC210-DS constructed in our own yard in Schiedam was driven by safety and optimising the schedule for our client.

“Our yard has a unique location in the port of Rotterdam, and this gave us the possibility to position the crane between the two vessels and serve them at the same time.

“Not only does this save considerable time, by minimising movements of cranes in the yard and vessels along the quay, it also creates the safest possible solution to perform this project.”

The replacement work on Wind Orca and Wind Osprey is scheduled to commence in 3Q23 and is expected to be completed by 1Q24.

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