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18-06-2010 Four new legs for the vessel WIND!
Cooperation with other maritime service companies was of crucial importance when Nicon Industries A/S secured the contract for lengthening the jack-up legs on the crane vessel M/V WIND.
Ships with legs are a rare sight but this is, however, the case with the crane vessel WIND. The vessel that is designed specifically for the service and maintenance of offshore wind farms has four legs to stand on, so-called jack-up legs. By pushing the legs down from the bottom of the ship on to the seabed,the ship is lifted out of the water, eliminating the wave forces and movements.
Maximizing the operating depth
The vessel’s maximum operating depth is of course limited by the length of the legs and as offshore wind farms to a greater extent are established in deeper waters it was necessary to lengthen the legs on WIND to an impressive 56 meters. Nicon Industries A/S closed the contract for the new legs and took on the challenging task in close cooperation with other maritime service companies.
Working together as a team
Danish Salvage and Towing Company Ltd. that owns and operates M/V WIND began the whole operation by using their floating crane SAMSON to lift the legs of WIND. The vessel has been docked at Orskov Yard for a longer period of time and in close cooperation with Nicon Industries, Orksov Yard planned the dockings in consideration of the delivery of the elongated legs. The consultancy company ShipCon, specializing in naval architecture and marine engineering, designed the new legs but was faced with a big challenge as it turned out that the steel needed for the job was impossible to get hold of in time. With a persistent effort they managed, however, to come up with an alternative, keeping the project within the proposed timeframe. Last but not least, the tower specialist Skykon was responsible for the rolling and welding of the legs.
Exceptional transport
Transporting the 56 meters long legs from Nicon Industries A/S in Frederikshavn in the north of Denmark to Skykon in Give in the south was, however, a challenge out of the ordinary and the job could not have been done without a special effort from all parties involved. Frederikshavn port authorities, the police, the local authorities and the transport contractor did everything in their power to solve the problem of the exceptionally long transport. Snow removal, traffic regulation and temporary signposting are just some of the many challenging tasks that were carried out in order to make one of the largest road transports in Denmark possible.
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MARITIME NETWORK Frederikshavn ·
Oliepieren 7 · DK-9900 Frederikshavn · Denmark · Phone (+45) 96 20 47 00 · Fax (+45) 96 20 47 11 · info@maritimenetwork.dk