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900t Eneco substation installed today! Great Pics!

4C Offshore | Lewis Holdsworth
By: Lewis Holdsworth 18/02/2015 4C Offshore staff
This morning around 09:30 hours at sea the OHVS (Offshore High Voltage Station) was lifted onto its final resting place at the Eneco Luchterduinen offshore wind farm,  

The specifications of the OHVS are awesome requiring the RAMBIZ to lift a structure that :-

- Weighs as much as four Boeing 747's (around 900 tonnes)

- Is equivalent of a modern 4 floor office building

- Is 24 meters long, 23 meters wide and 16 meters high.

- Is full of transformers and switchgear.

- Is full of computers for security and control; includes emergency and air conditioning systems.

- In case of emergency or the need to stay on the OHVS there is room for maintenance staff to sleep and is stocked with emergency rations.

The transformer station collects the electricity generated by the 43 wind turbine transforming the delivered 33kV to 150kV, and then acts as the starting point of 25 kilometer power cables to the landfall on the coast at Noordwijk. From here an 8km underground cable will transport the electricity to the onshore substation at Sassenheim. All foundations and cable connections for the wind farm were completed in 2014.

Van Oord  acted as the main contractor for  Eneco Luchterduinen offshore wind farm. Van Oord was responsible for the the design, construction and installation of the OHVS with the FICG consortium (a collaboration between Cofely Fabricom, Iemants and CG). The overall design, design and assembly was executed by Cofely Fabricom in Hoboken (near Antwerp). Iemants from Arendonk, Belgium were responsible for the design and manufacture of the steel work for the platform. CG did the design, supply and installation of high voltage components.

The construction of Eneco Luchterduinen offshore wind farm is now in full swing. The foundations for the Substation were installed back in September by Van Oord, the one of a kind foundations in which the monopile and the transition piece were built as one were installed by the vessel Aeolus. From April this year 43 Vestas wind turbines will be installed by Van Oord and at the end of 2015, Eneco Luchterduinen offshore wind farm should be operational and generating green electricity for nearly 150,000 households. The wind farm is a joint project of Japan's Mitsubishi Corporation and Eneco Group.

For the spectacular operation the heavy lift vessel the Rambiz and the Belgian Scaldis were deployed. This floating crane (Rambiz) raised its lifting arms of 80 meters to lift OHVS station yesterday in IJmuiden.

The wind farm is a joint project of Japan's Mitsubishi Corporation and Eneco Group.

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