FEATURE SPONSOR
JACK-UP VESSELS
WORLD FIRST AS NEW VESSEL INSTALLS EIGHT TURBINES IN SINGLE DEPLOYMENT
The first vessel in the world to deliver and install eight complete turbines at a windfarm site in a single deployment is due to finish work on its first project later this month.
BOLD TERN
Fred. Olsen Windcarrier’s Bold Tern, which was delivered by the shipyard in February this year, began work on the 30-turbine Riffgat windfarm in the German Bight in April and is on track to complete its work according to schedule, with no significant HSEQ incidents or vessel delays.
INSTALLATION
Petter Faye Søyland, Project Manager from Fred. Olsen Windcarrier, said: “We load and transport the towers in one piece, saving two lifts per turbine, once during loading and again during installation. What’s more, by freeing up deck space, this approach allows us to carry up to eight turbines per voyage, reducing the number of transit operations and sailing time. And after a significant learning curve, turbines are now being installed in less than 12 hours.
COLLABORATION
“There has been great co-operation between the developer EWE, the turbine manufacturer Siemens Wind Power and Fred. Olsen Windcarrier to ensure that the site is being built safely and efficiently. Bold Tern and her experienced offshore supervisors, supplied by Fred. Olsen related company Global Wind Service, are doing an excellent job.”
SPECIFICATIONS
Bold Tern and her sister ship Brave Tern, were designed and built to install similar and much larger wind farms including foundations, and can also work efficiently in the O&M market. Constructed in the Lamprell shipyard in Dubai, they measure 132m in length, with a mid-hull breadth of 39m. They operate in waters depth up to 45m and have a crane capacity of 800 tonnes at a 24m reach (102m over the deck). The two vessels are among the largest self-propelled jack-ups in the world.
Fred. Olsen Windcarrier has two Bayard service vessels also working on the Riffgat project while Brave Tern and another Bayard are currently working on the 80-turbine BARD windfarm off Germany.
Fred. Olsen Windcarrier
www.windcarrier.com
Click to view more info = Click to view video
Bold Tern with its payload of eight complete Siemens turbines en route to the Riffgat windfarm.
www.windenergynetwork.co.uk 21
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