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2021 Lavrion Karystia Project Greece 70

Lavrion Karystia Project (Greece) – Subsea Cable Laying & Protection

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The Lavrio – Karystos project concerns the interconnection of Karystia Wind Farms located at the southern part of Evia Island (Karystia region) to the Mainland Power Transmission System at PPC Lavrion substation. he interconnection will be configured by a 150kV power line.

The project is divided in two (2) Phases. First (1st) phase includes the submarine cable supply and the 2nd phase the submarine cable transportation, laying, installation and protection at Site.

In summary, the submarine cable route has a length of approx. 64.9km and a maximum sea depth of approximately 140 meters. 

TERNA ENERGY S.A. has awarded the project to the consortium, members of which are Asso and Fulgor. From Asso’s part, the contract concerns the execution of geophysical/geotechnical survey, cable laying, landing and protection of the above-mentioned submarine cable of approximately 64.9km length.

Asso’s scope of work included:

  • Preparation/Mobilization
  • Cable Loading Operation
  • Pre – Lay Mattresses Installation
  • Pre – Lay Grapnel Run Operations
  • Onshore and nearshore pre -lay excavation works
  • Cable Lay operations
  • Post – Lay Mattresses Installation
  • Post – Lay Burial Operations – Onshore and Nearshore
  • Post – Lay Burial Operations – Offshore

PROJECT SPECIFICATIONS

  • Owner
    Terna Energy S.A.
  • Contractor
    Fulgor S.A. and Asso.subsea Ltd.
  • Year
    2021
  • Cable Type
    hvac
  • Laying Length
    69,636m
  • Trenching Length & Burial Depth
    29,698m @1.0m
  • Jetting Length & Burial Depth
    38,307m @ 1.0m and 2.0m

    Lavrion Karystia Project (Greece) – Subsea Cable Laying & Protection

    The Lavrio – Karystos project concerns the interconnection of Karystia Wind Farms located at the southern part of Evia Island (Karystia region) to the Mainland Power Transmission System at PPC Lavrion substation. he interconnection will be configured b …

    Lavrion Karystia Project (Greece) – Subsea Cable Laying & Protection

SERVICES PROVIDED

Some of the services we provided for Lavrion Karystia Project (Greece) – Subsea Cable Laying & Protection 

VESSELS USED

  • Atalanti

    DP II – Cable Laying Vessel The Atalanti is a DP-2 Cable Laying Vessel that has been specially …

    Atalanti Cable Laying Vessels
  • Argo

    DP II – Trenching Support Vessel The Argo is a DP-2 Trenching Support Vessel built for worldwide operations, …

    Argo Trenching Support Vessels
  • Aethra

    DP II – Trenching Support Vessel The Aethra is a DP-2 Trenching Support Vessel built for worldwide operations, …

    Aethra Trenching Support Vessels
  • Astrea

    DP II – Multipurpose Support Vessel The Astrea is a DP-2 Multipurpose Support Vessel built for worldwide operations …

    Astrea General Support Vessels
  • Alcyone

    Multipurpose Support Vessel The Alcyone is a Multi-Purpose Support Vessel specially built for shallow water operations, in light …

    Alcyone General Support Vessels

EQUIPMENT USED

  • AssoTrencher IV Mk12

    AssoTrencher IV Mk12 sits at the top of the trenchers’ range and is currently undergoing its twelfth upgrade. …

    AssoTrencher IV Mk12 Deep Water Trenchers, Subsea Burial Equipment
  • AssoTrencher IV Mk9

    AssoTrencher IV Mk9 sits at the top of the mechanical trenchers range as it forms the latest version …

    AssoTrencher IV Mk9 Deep Water Trenchers, 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
  • AssoJet III Mk2

    The AssoJet III Mk2 is the newest of the ASSO’s jetting ROVs. It is in-house designed & is …

    AssoJet III Mk2 Deep Water Trenchers, Subsea Burial Equipment

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