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Deutsche Bucht - Submarine Link Cables Installation and Protection

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Asso.subsea > Projects > Cable Laying > Deutsche Bucht - Submarine Link Cables Installation and Protection

The DBU project concerns the HVAC submarine link between the AC/DC offshore converter station BorWin beta platform and the Deutsche Bucht offshore wind park, located in the South-West German Bight region of the southern North Sea. The system is composed of two power cables with an interstitial optical unit that are installed independently from each other on two parallel routes about 28km long, and 40m water depth. South cable route has already been connected at BorWin Beta, laid and wet stored at DBU platform area, as part of 2018 activities.

Prysmian has awarded ASSO a contract for the execution of the submarine cables installation work, 2 initial pull-ins on the BorWin Beta platform and 2 final pull-ins, both on the Deutsche Bucht OSS platform. The entire length of both DBU South and North cables was simultaneously laid and buried at the envisaged depth of burial.

ASSO’s scope of work included:

  • Preparation activities // Mobilization activities
  • Cable transpooling 
  • Platform pull-in
  • Simultaneous lay & Burial 

PROJECT SPECIFICATIONS

  • Owner
    TenneT TSO GmbH
  • Contractor
    Prysmian PowerLink SrL
  • Year
    2019
  • Location
    North Sea, Germany
  • Cable Type
    hvac
  • Cable Diameter
    209mm
  • Laying Length
    27140m
  • Jetting Length & Burial Depth
    26010m @ 1.5m

    Deutsche Bucht - Submarine Link Cables Installation and Protection

    The DBU project concerns the HVAC submarine link between the AC/DC offshore converter station BorWin beta platform and the Deutsche Bucht offshore wind park, located in the South-West German Bight region of the southern North Sea. The system is compose ...

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    Deutsche Bucht - Submarine Link Cables Installation and Protection
  • Deutsche Bucht Submarine Link Cables Installation and Protection Photo 2
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  • Deutsche Bucht Submarine Link Cables Installation and Protection Photo 5
  • Deutsche Bucht Submarine Link Cables Installation and Protection Photo 1
  • Deutsche Bucht Submarine Link Cables Installation and Protection Photo 6

SERVICES PROVIDED

Some of the services we provided for Deutsche Bucht - Submarine Link Cables Installation and Protection 

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VESSELS USED

  • Atalanti

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    Atalanti Cable Laying Vessels

  • Artemis

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    Artemis General Support Vessels

EQUIPMENT USED

  • HydroPlow

    Asso.subsea Hydroplow is a lightweight jetting sled that is intended for use in tandem with a CLV (Cable ...

    HydroPlow Ploughs, Subsea Burial Equipment

  • AssoMat I

    The AssoMat I is a system for fast and accurate installation of mattresses and similar products designed for ...

    AssoMat I Mattresses Installation, Seabed Preparation Equipment

  • Atom

    'Atom' is an ultra-compact work class ROV comparable in size to an electric ROV system. It is designed ...

    Atom Remotely Operated Vehicles

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