HEEREMA UNVEILS NOVEL FLOATING WIND INSTALLATION METHOD
Appreciating the logistical challenges for deployment at scale Heerema Marine Contractors has developed a new method for offshore floating wind installations.
Heerema’s Floating to Floating installation method was developed to deliver solutions to industry challenges, such as efficient use of resources like steel and port infrastructure, offshore logistics and maintenance, and reaching the required scale and rate of installation.
Currently, there are various proposed methods that involve assembling floating foundations (floaters) in port before wet-towing to the field. This presents logistical challenges, as well as there being pressure on the number of suitable harbors.
Therefore, Heerema has developed an alternative method that does not require a wet-tow and removes the need for marshalling yards. Using the floating to floating installation method floaters can be constructed on land before being dry-towed on a transport vessel to the location. After arrival, they will be installed using Heerema’s floating installation frame to lift the floaters from the vessel. After that, they will be installed on location. Heerema’s floating installation frame will submerge the floaters down by weight, removing the need for high-tech ballasting or tensioning systems and reducing installation duration. The bottom foundation work can be executed in parallel by optimizing the capabilities of Heerema’s semi-submersible crane vessels.
(Source and image: Heerema)
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