Offshore staff
ROTTERDAM, the Netherlands — Mammoet’s PTC210-DS crane will lift a giant A-Frame onto Van Oord’s Svanen heavy-lift vessel.
Offshore wind turbines are expanding in size and weight, and the larger A-Frame will allow Svanen to install new generation monopile foundations at sea.
The frame comprises three main components, all fabricated by Holland Shipyards, and moved, lifted and transported by Mammoet to its quayside in Schiedam, near Rotterdam.
The various components will then be assembled and driven 66 m along the waterfront using 64 axle lines of the company’s self-propelled modular transporters, in readiness for the 210,000-mt PTC crane to perform the lift.
Installation of the frame should take a week to complete during April and May. According to Mammoet, the completed A-Frame will increase the total height of the Svanen to 125 m.
For this operation, the PTC’s configuration will be 105 m of main boom and 66 m of luffing jib, with more than 4,000 mt of counterweight.
The efficiency of the project is due to the crane’s availability in Rotterdam and the fact that the A-Frame can be lifted as a single unit.
Julian Alkemade, project manager at Mammoet, said, “The lift capabilities and location of the PTC will greatly mitigate downtime for the vessel. 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.”
04.23.2024
