Aalborg-based Liftra is providing the design and engineering, based on its patented LT1500 Turbine Installation Crane technology, and this is combined with DEME’s engineering, operations and installation technology.
The Offshore Turbine Installation Crane offers the possibility of erecting higher and heavier turbines using existing vessels at a lower cost, while at the same time reducing the environmental footprint, and is suitable for both bottom-fixed and floating turbines.
“There are many advantages of this new joint technology, the major one being the ability to install fixed or floating turbines from a floating vessel, which naturally means there are no limitations regarding water depth” said Bart de Poorter, General Manager DEME Offshore Renewables. “As well as this, there are no longer any lifting height issues and relative motions at high heights can be controlled. This new method also reduces the environmental footprint on the seabed at the wind farm’s location and in port.”
Due to its flexibility, the system can be exclusively integrated for use on board DEME’s floating offshore heavy-lift vessels such as ‘Orion’ or ‘Green Jade’, as well as its existing jack-up vessels.
The partners will develop and integrate the technology in stages and following an extensive testing programme, the pioneering new system is expected to be operational in 2027.
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