Boskalis wins contract for Hornsea 2 offshore cable installation

WCN Editorial Team 2 May 2019 EUROPE ENERGY & UTILITIES

Royal Boskalis Westminster has won a contract worth more than €100m from Ørsted Wind Power for the installation of offshore export cable for the Hornsea 2 offshore wind farm.

The contract consists of three export cable circuits with a total length of around 380km.

Scope of work includes preparation of the offshore export cable route, which will involve geophysical survey, boulder clearance and seabed levelling through dredging, and the installation and protection of the cables.

Three 130m export cables will connect the offshore substation to the onshore substation through a 300m horizontal directional drilling, crossing the sea defence of Horseshoe Point, UK.

Work on the project is expected to commence later in 2019 and is planned to be completed in 2021.

Boskalis plans to use maximum local content for its scope of work.

The company will deploy in-house specialist services and assets, including a trailing suction hopper dredger, a geophysical survey vessel and multiple cable-laying vessels.

Boskalis has also invested in a multi-mode plough for the pre-lay trenching and backfilling. The plough, which can withstand 200 tonnes continuous pull, will take up trenching at various depths and in a range of soil circumstances, and is designed to minimise environmental impact.

Construction vessel, Boka Falcon, which was acquired recently, will pull the plough.

The Hornsea 2 offshore wind farm will comprise 165 turbines with a maximum capacity of 1.4GW and is located approximately 90km off the Yorkshire coast. It will be able to provide clean electricity to 1.6 million homes.

The company’s strategy is aimed at benefitting from macro-economic factors, such as expansion of the global economy, increase in energy consumption, global population growth and climate change, which drive worldwide demand in markets.

Royal Boskalis Westminster provides services in the dredging, maritime infrastructure and maritime sectors. It provides solutions to infrastructural challenges in the maritime, coastal and delta regions globally, with core activities such as coastal defence, riverbank protection and land reclamation.

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Image: Boskalis wins contract for Hornsea 2 offshore cable installation. Photo: Courtesy of Royal Boskalis Westminster N.V.

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