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SPONSORS OF EAST ANGLIA FEATURE


PURPOSE BUILT WIND TURBINE INSTALLATION VESSELS FROM SEAJACKS


Formed in 2006, Seajacks is a leading UK-based owner and operator of self-propelled, self-elevating jack-up vessels. The vessels are purpose- built for installation of turbines, foundations and transition pieces as well as operations and maintenance of this equipment. Seajacks currently owns and operates three self- propelled vessels – the Seajacks Leviathan, Seajacks Kraken and Seajacks Zaratan - and has a fourth vessel under construction, the Seajacks Hydra, which is due to be delivered in the third quarter of 2014.


EXPERTISE AND EXPERIENCE Seajacks vessels have installed 230 turbines on some of the largest offshore wind farms in the world, representing almost 830MW of installed capacity since Seajacks entered into the offshore wind market in 2010. Successful installation projects include Greater Gabbard, Walney and Sheringham Shoal.


RECENT CONTRACT


More recently, Seajacks was awarded the Main Installation Contract for the construction of the Meerwind Offshore Wind Park. This role sees Seajacks Zaratan and Seajacks Leviathan working together to install 80 monopile foundations and transition pieces, after which, both will go on to install Siemens 3.6MW turbines at the site.


MOBILISATION WORKS


To prepare for this project, both vessels underwent an intense mobilisation period during the summer of 2012. During the mobilisation works, Leviathan’s 300t main crane was replaced by a brand new 500t model and Zaratan was fitted out with the latest technology in pile installation.


INNOVATIVE AND BESPOKE MODIFICATIONS Seajacks engineers worked with external contractors to develop a range of bespoke pile installation equipment including a ‘first of its kind’ Pile Guide Tool to guide the 675t monopile structures into position, and a 400t hydrohammer, used to drive the piles up to 26m into the seabed.


Seajacks www.seajacks.com


www.windenergynetwork.co.uk


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