Western HVDC Link: Shallow water survey work – Liverpool Bay, August 2019

[Update – the information in this notice has been superseded by more recent notices.  The notice remains as part of the historical record of notices issued for this project.  Please refer to the most recent notice for an up-to-date record of the notices presently in place for this project.  This can be accessed via the project description page here.]

Mariners are advised that shallow water survey work is due to be carried out along the Western HVDC Link cable route in Liverpool Bay during August 2019.  A notice to mariners about these operations can be downloaded here and is summarised below.

Shallow water survey work

A geophysical survey of the installed Western Link cables is due to be carried out by Fugro GB Marine Ltd using the survey vessel Valkyrie in the shallow water in Liverpool Bay (up to 12km from the Leasowe landfall of the cables).

The survey work is due to start on the 15th August 2019 and to be completed by the 15th September 2019 (subject to weather conditions).  Full details of the location and extent of this work can be found in the Notice to Mariners that can be downloaded here .

Vessel details

Information about the location of the vessel carrying out this work can be found at the Marine Traffic website using the link below:-

  • Valkyrie: Research / survey vessel | Call sign 2BWA9

The survey vessel will operate on a 12 hour basis, and during survey work may be towing equipment up to 100m behind the vessel.  Throughout survey operations the vessel will be displaying the appropriate lights and shapes as required under the COLREGS Rule 27(b).

The vessel involved in this work may be restricted in its ability to manoeuvre and other vessels are reminded to pass at a safe speed and maintain a wide berth of at least 300m distance.

Notices to Mariners

The Notices to Mariners that are presently in place for the Western HVDC Link project are:-

  • Western HVDC Link: Shallow water survey work – Liverpool Bay, August 2019 – this notice is described above.  It was issued on the 6th August 2019 and provides information about upcoming survey work on the shallow water cable in Liverpool Bay.  The Notice to Mariners can be downloaded here.
  • Western HVDC Link: Update on Cable Operations – Exposed Cable Sections, June 2019 – this notice was issued on the 7th June and provides information about exposed cable in the North Channel in the Irish Sea.  The Notice to Mariners can be downloaded here.

Earlier notices are all rescinded.

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