Page 94: of Offshore Engineer Magazine (Sep/Oct 2013)

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interconnection between Italy and completion expected in 2014. The

Offshore wind

Montenegro. This is Nexans largest C/S Skagerrak is laying cable in two In the renewables sector, Nexans ever subsea cable contract. The HVDC campaigns, while the Nexans Capjet signed an agreement earlier this year interconnection will be about 415km (an ROV system) will be cable trench- for delivery of 53km of medium-

Subsea in length, comprising 393km of subsea ing. Dirk Steinbrink, executive VP voltage, submarine cables for the cable and 22km of underground cable high voltage and underwater cables, Westermost Rough wind farm, off for the onshore connections. It will be explains that the project’s workscope is the Holderness coast of Yorkshire. A laid to 1200m water depth and will being expanded to offer comprehensive further two kilometers of cable will feature two, 500kV, HVDC cables in a interconnection solutions. The work be delivered for the internal platform bipolar confguration (2 x 500 MW), for the Malta-Sicily interconnector cabling. Delivery is scheduled to begin with one cable supplied by Nexans. includes: submarine cable supply from in spring 2014. The wind farm will be

Over the last 20 years, Nexans has Halden, laying and protection, land constructed and subsequently operated supplied more than 3000km of HVDC cables supply and installation, and by Westermost Rough, a subsidiary of submarine cables manufactured and power station supply and commission- DONG Energy. installed. ing in Malta. This work is being done This new agreement is the third

Nexans is also carrying out a by Alsthom under a sub-contract. call-up from a framework agreement €200 million turnkey contract to A major interconnector in the plan- concluded with DONG in August build a 200MW, 101km interconnec- ning stage is the Statnett, TenneT and 2011 for the delivery of up to 900km tor between Malta and Sicily with KfW NORD.LINK project, which will of medium-voltage, submarine cables. run between Previous call-ups were for the West

Tonstad (Norway) of Duddon Sands wind farm and the and Wilster Borkum Riffgrund 1 wind farm.

(Germany), a dis- tance of 514km,

Oil and gas plus a 55km On the umbilicals side, Nexans has underground made a breakthrough in the Malaysian cable route in offshore sector this year with an

Germany. The order from Persada Engineering for fnal investment an electro-hydraulic umbilical for decision is due Sarawak Shell’s F29 feld development next year with the project. The 22km umbilical will be goal of having the installed in 100 m water depth. Nexans 1400MW, twin- is responsible for the supply and trans- cable intercon- portation of the umbilical, together

Nexans owns and operates three complete Capjet trenching nector operational with accessories as required, in a fast- machines with dedicated launch and recovery systems.

by 2018. track 72-week contract. The F29 umbil- ical will be manufactured at Halden, the only facility within the group capable of such manufacture.

Nexans has a €45 mil- lion contract with Statoil to supply static and dynamic umbilicals for three, fast-track projects on the

Norwegian Continental Shelf - Oseberg Delta, Snøhvit (gas), and Smørbukk Sør felds. The Halden plant will manufacture around 42km of static and dynamic

The is C/S Skagerrak umbilicals to Statoil’s new,

Nexans’ specialized cable-lay standardized, umbilical vessel for high-voltage subsea design. The umbilicals will cable, shown at the Halden plant. provide hydraulic, data,

The vessel has a 7000 tonne turntable and 52 tonnes of laying tension. It was and fber optic services for built for the frst crossing of the Skagerrak subsea equipment at a 100m

Strait between Norway and Denmark in 1976, and water depth for Oseberg, is now working on the fourth crossing.

345m for Snøhvit, and

OE | September 2013 oedigital.com 96 000_OE0913_Subsea_cablesNexan_v2.indd 96 8/18/13 11:47 PM