Boskalis offshore kabelcontract

Boskalis Wins Hornsea 2 Offshore Cable Contract

Royal Boskalis Westminster NV will install the offshore export cable for the Hornsea 2 offshore wind farm. 

The contract, which is said to be worth over EUR 100 million, was awarded by ├śrsted Wind Power A/S and consists of three export cable circuits with a total length of approximately 380 kilometres.

Preparation and Installation Works

The project scope includes the preparation of the offshore export cable route (geophysical survey, boulder clearance and seabed levelling through dredging), and the installation and protection of the cables. The three 130 kilometer long export cables will connect the offshore substation to the onshore substation by means of a 300 metres long horizontal directional drilling, crossing the sea defense of Horseshoe Point, UK. Boskalis aims to maximise UK local content for its scope of work.

The project is expected to commence later this year with a planned completion late 2021.

New Multi-mode Plough

Boskalis will deploy a wide variety of its in-house specialist services and assets including a trailing suction hopper dredger, a geophysical survey vessel and multiple cable-laying vessels. Furthermore, Boskalis has invested in a new multi-mode plough for both the pre-lay trenching and backfilling. The plough can withstand 200 tons continuous pull, is capable of trenching at various depths and in a wide range of soil circumstances and was designed to minimise environmental impact. The plough will be pulled by the recently added high-end construction vessel Boka Falcon.

Hornsea 2 Offshore Wind Farm

The Hornsea 2 offshore wind farm will consist of up to 165 turbines with a maximum capacity of 1.4 GW and is located approximately 90 kilometres off the Yorkshire coast. When complete, it will be able to serve the needs of up to 1.6 million homes with clean electricity.

Author: Mariska

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