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All Subsea Cables Renewable Energy Safety News Downloads

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Media Gallery

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Emergency Contact Numbers

The numbers below are the emergency contact numbers for Subsea Cables and Renewable Energy Structures. These phone numbers relate to each offshore structure and may be used in case of an emergency, or urgent situation.

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Emergency Procedures

Please keep clear of and do not damage subsea cables/structures. You risk the loss of your gear and catch, and international communications can be disrupted. These cables carry high voltages and can be dangerous to life. Many cables have high breaking strains, some over 70 tonnes. Cables will usually lie buried in the seabed, although because the seabed can move, there is no guarantee they will remain in the same place.

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Reducing Risks Whilst Fishing

It is essential to be aware of the locations of subsea cables and renewable energy infrastructure, when fishing in the vicinity of such structures. It is essential you have all the information in relation to their positions available to you and the KIS-ORCA project is designed to provide exactly that for all seabed users. Charts, fishing plotter files and an interactive map, showing subsea cables and renewable energy structures surrounding the UK, may be viewed or downloaded, free of charge.

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The Risks of Fishing near Cables & Renewable Energy Structures

The potential risks associated with the offshore renewable and subsea cable industries come in two distinct categories - surface structures and subsurface structures. Each type of structure may potentially be a risk to fishing activities. The information below describes these hazards, with the subsequent sections explaining the emergency procedures.

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Media Gallery

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Tidal Device Principles

Tidal devices exploit kinetic energy in the tidal flow of water caused by the interaction of the gravitational fields of the earth, moon and sun. Tidal currents are magnified by topographical features, such as headlands, inlets and straits, or sea bed channels. Many of the devices that use these currents are broadly similar to submerged wind turbines. Sea water is around 800 times denser than air but average flow speeds for viable projects are of the order of one fifth of corresponding wind speeds, giving a power density of around 5-10 times. This means that for a tidal device of the same rating as a wind turbine, the rotor will be smaller. Individual tidal devices are unlikely to reach the same rated power as offshore wind turbines; however, as to have sufficient space to deploy such large devices requires development of deeper water sites that generally have less significant tidal flows. EMEC has identified four main types of tidal energy convertors that are outline below.

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Wave Device Principles

Waves are created by the interaction of wind with the surface of the sea, sometimes over very long distances.  The size of the waves is influenced by wind, the local seabed bathymetry (which can focus or disperse the energy of the waves) and currents.  Waves offer a large source of energy which can be converted into electricity by a wave energy converter (WEC).  Some wave energy converters have been developed to extract energy from the shoreline, others from waters offshore, some with a hydraulic power take-off system and some with an electrical power take-off system.  EMEC has identified six main types of wave energy converter that are outlined below. 

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Wave & Tidal Devices – Overview

The United Kingdom's wave and tidal stream energy industry is the current global leader, with more installed capacity than the rest of the world combined. Our strength has been built on established British marine engineering skills, the creation of world-first testing facilities and the strength of the energy resource found in UK waters. The UK is proud to have developed the first commercial scale wave and tidal stream projects in 1998 and 2003 respectively but the industry is now on the cusp of commercial viability as we move through the phases of development.

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Wind Farms – Installation Methods

Life cycle stages

Lease award and Pre-construction

Once a developer has obtained a lease from the Crown Estate they will start to appraise the zone or lease area. This requires a number of surveys to be completed including boat or aerial based bird and marine mammals surveys, benthic grabs and fish surveys.

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Wind Farms – Design of Structures Installed

Offshore wind farms consist of a number of connected elements. These include the turbines, foundations, array cables, offshore substation, export cable and onshore substation and infrastructure. These items are installed using a range of different vessels and then serviced by either smaller crew transfer vessels or helicopters.

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Windfarms - Overview

Offshore wind farms consist of a number of wind turbines which sit on foundations, secured to the seafloor, which produce electricity. This electricity is transmitted to where it is needed through a series of cables and substations. The first offshore wind farm was installed in Denmark in 1991 and the industry has grown rapidly since then with 3.3GW installed across Europe (1.8GW of which is in the UK).  China, US, Japan and South Korea have also started to develop offshore wind farms.

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Terms & Conditions

  Terms and Conditions - KIS-ORCA Website This website, www.kis-orca.eu, ("the Site") is provided to you ("you" meaning any person, firm, partnership, corporate body or any other legal person accessing or otherwise using, or benefitting from the use of, this Site) by the Kingfisher Division of Seafish, ESCA and its Members. Data which is provided via this Site, including Plotter Data, is provided free of charge. Kingfisher Information Services and ESCA DO NOT verify data provided on the Site, including Plotter Data. Please read these Terms carefully before using this Site: 1 AUTHORITY AND LICENCE FOR USE OF THE SITE 1.1 In making use of the Site, you agree to be bound by these Terms which form the sole agreement between you as user of the Site and us ("Agreement"). 1.2 If you do not agree to be bound by these Terms, you should not use the Site. 1.3 You acknowledge that your use of the Site: 1.3.1 may be limited at any time by us; and 1.3.2 may be suspended or terminated at any time by us. 2 DISCLAIMER 2.1 We give you no warranty or assurance, except as set out in Condition 6 (Our Obligations). We declare and you acknowledge that all implied warranties and conditions are excluded to the maximum extent permitted by law. 2.2 We are not responsible for any: 2.2.1 typographical errors or omissions on the Site; 2.2.2 data, information, text, music, sound, photos or graphics or other material ("Content") that you may have access to as part of, or through your use of the Site, including, but not limited to, other websites that you may access via links provided on our Site; or 2.2.3 Content you may be exposed to through use of the Site that you may find offensive, indecent or objectionable. 2.3 We do not warrant that the Content of this Site is accurate, complete, reliable, current or error-free. 3 LIABILITY 3.1 In respect of use of Plotter Data, we shall have no liability whatsoever to you where the Plotter Data: 3.1.1 as provided to us by any data provider or originator is erroneous, inaccurate or in an incomplete form and such fact is not known to us; 3.1.2 is uploaded to any fishing plotter incorrectly or in an incomplete form; 3.1.3 is not read in conjunction with the Kingfisher Fortnightly Bulletin or any other updates, whether in paper or digital form; 3.1.4 is erroneously interpreted by you or utilised by you in a negligent or reckless manner, or for a purpose for which it was not intended or designed. 4 PROPRIETARY RIGHTS 4.1 You acknowledge and agree that we own all copyright and other rights in and to the content of the Site. 4.2 You agree that you will not remove, obscure or alter any proprietary rights notices (including copyright and trade mark notices) which may be affixed to or contained within the Site. 4.3 You agree that you will not use any data from this site for commercial gain without obtaining permission from KIS-ORCA. 5 YOUR OBLIGATIONS 5.1 You will take reasonable steps to ensure that you comply with these Terms and do not: 5.1.1 engage in any activity that interferes with, or disrupts the operation of, the Site; 5.1.2 access or attempt to access any element of the Site by any means other than through the interface that we provide, unless expressly authorised by us; 5.1.3 reproduce, duplicate, copy, sell, trade or resell the facilities provided on the Site, unless expressly authorised by us; 5.1.4 purport to transfer or otherwise dispose of your rights under these Terms. 5.2 By submitting your personal information to us you agree to our collection, use and disclosure of such information in accordance with our privacy policy set out in Condition 7. 6 OUR OBLIGATIONS 6.1 We will take reasonable steps to ensure that the Site supplied is virus-free. 6.2 We shall use our best endeavours to ensure that access and use of the Site is not interrupted by any event within our control. 7 PRIVACY POLICY 7.1 You acknowledge and agree that: 7.1.1 we collect information about you and your use of this Site, together with any details that you may need to provide for access to, or use of, the Site; 7.1.2 we monitor user traffic patterns and Site use. This may be done through the use of cookies; 7.1.3 we use and disclose information in aggregate (so that no individual users are identified) for strategic development purposes. 7.2 We will never pass personal data to anyone else, except to any successor in title to our business and suppliers that may process data on our behalf in the United Kingdom and abroad. 8 TERMINATION 8.1 This Agreement will terminate if you or we are in material breach of any of its terms and if the breach is not remedied within the period of twenty working days after written notice of it has been given to the party in breach. 8.2 On termination of this Agreement for any reason: 8.2.1 all licences granted hereunder shall immediately terminate; and 8.2.2 termination shall not affect or prejudice the accrued rights of the parties as at termination, or the continuation after termination of any provision expressly stated to survive or implicitly surviving termination. 9 MISCELLANEOUS 9.1 This Agreement is not intended to benefit anyone other than the parties to it and, in particular, no term of this Agreement shall be enforceable under the Contracts (Rights of Third Parties) Act 1999 by a third party. 9.2 If any provision (or part of a provision) of this Agreement is found by any court or administrative body of competent jurisdiction to be invalid, unenforceable or illegal, the other provisions shall remain in force. 9.3 Each of the parties acknowledges and agrees that in entering into this Agreement it does not rely on, and shall have no remedy in respect of, any statement, representation, warranty or understanding (whether negligently made or not) of any person (whether party to this Agreement or not) other than as expressly set out in this Agreement. The only remedy available to it for breach of the Agreement shall be for breach of contract under the terms of this Agreement. End  

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Privacy

KIS-ORCA.eu does not store any information that would, on its own, allow us to identify individual users of this service without their permission. Any cookies that may be used by this website are used either solely on a per session basis or to maintain user preferences. When users enter the KIS-ORCA website, their computers will automatically be issued with 'cookies'. Cookies are text files which identify users' computers to servers. The website then creates "session" cookies to store some of the preferences of users moving around the website, e.g. retaining a text-only preference. Cookies in themselves do not identify individual users, but identify only the computer used and they are deleted on departure from the website. Many websites do this to track traffic flows, whenever users visit those websites. The KIS-ORCA website uses third-party cookies to measure use of the website including number of visitors and how frequently pages are viewed. This helps to determine what is popular and can influence future content and development. For this purpose, KIS-ORCA uses Google Analytics to measure and analyse usage of the website. The information collected will include IP Address, pages visited, browser type and operating system. The data will not be used to identify any user personally. Users have the opportunity to set their computers to accept all cookies, to notify them when a cookie is issued, or not to receive cookies at any time. The last of these means that certain personalised services cannot then be provided to that user. This privacy statement only covers the KIS-ORCA website at www.kis-orca.eu  This statement does not cover links within this site to other websites.

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Accessibility

The KIS-ORCA partners are committed to producing websites and web resources that can be accessed by all its visitors. We are always keen to hear about ways we can improve the services we provide. If you are having any difficulties using this website, please contact kingfisher@seafish.co.uk Many web browsers have accessibility features, which help you use the web in the way that best suits you. We recommend you select the browser which best suits your needs. You may also need to configure your operating sytem to tailor its accessibility features to your needs.

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The Importance of Renewable Energy Structures

The UK is the world leader in offshore renewables. We have more projects installed, more in construction and more in development than any other country in the world.

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The Future of Subsea Cables

Subsea telecommunication cables have a very long history. Since the installation of the world's first submarine cable across the Dover Strait in 1850, Subsea cables have been essential to the worlds communications infrastructure.

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Submarine Cable Maintenance

Under a Cable Maintenance Agreement and on notification from a Maintenance Authority, a cable repair ship operator will mobilise one of its vessels to conduct a repair on a subsea cable. The maintenance authority will provide an estimated position of the cable fault based on tests carried out from the cable Terminal Stations located either end of the marine cable. Permitting, Charting, and existing cable information is assessed prior to the vessel departing.

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Maintenance / Repair Operations

Submarine cables are very reliable, however, there are occasions when a repair to a cable becomes necessary.

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Cable Burial

At the planning and installation phase of a submarine cable project one of the most effective methods of protecting a submarine cable from damage caused by external aggression is to bury the cable, usually with a sea plough.

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Installation Procedures and Methods

Selection of provisional route

Once the requirement for a cable system has been identified and funds raised to build it, the first thing which happens is that a cable manufacturer and installer is contracted by the cable system parties.

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Design

Modern Fibre optic cables can carry many millions of telephone calls, together with huge amounts of video and internet data.  Approximately 95% of the world's telecommunication requirements are met by submarine cables. Cables are used because of their high reliability, capacity and security. Cables have an insignificant delay compared to satellite and are most cost-effective on major routes, hence communications costs are cheaper than satellites.

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About

The KIS-ORCA Project The Kingfisher Information Service - Offshore Renewable & Cable Awareness project (KIS-ORCA) is a joint initiative between the European Subsea Cables Association (ESCA) and the Kingfisher Information Service of Seafish. ESCA membership represents much of the subsea telecommunications and offshore renewable energy industry and they work with industry bodies like Renewable UK who recognise the benefit and value of the KIS-ORCA project. The aim of the KIS-ORCA project is to provide fishermen with accurate, up to date and free information relating to subsea cables and offshore renewable energy structures across Europe. KIS-ORCA information is available to fishermen in the following formats: Fishing Plotter Files Supplied on USB stick, all the KIS-ORCA data is available to fishermen in the most popular fishing plotter system formats and is updated annually. These files are also available to download from here. Awareness Charts Awareness charts are produced for key KIS-ORCA data areas. There are six charts surrounding the UK and localised charts for each constructed wind farm. These are available to download from here. www.KIS-ORCA.eu This interactive website allows fishermen to view subsea cable and renewable energy structures on an interactive map, download the latest data and ensure they are up-to-date with the very latest offshore activity news. The website has been produced primarily for Fishing Safety, although also gives fishermen an insight into the offshore industries they share the seabed with.

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News

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Safety

Offshore windfarms and subsea cables are increasing in number around the shores of the UK and the potential risks to fishermen, associated with these structures, need to be recognised and managed in a responsible way.

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Renewable Energy

This section contains information relating to Renewable Energy Structures, from design to installation, maintenance to future trends.

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Subsea Cables

This section contains information relating to Subsea Telecoms and Power Cables, from design to installation, maintenance to future trends.

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Homepage

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Map

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Downloads

ALL PLOTTERS (Fishing Plotter File) download

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Kingfisher Regional - North Sea North and West 2020 download

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Hornsea Project One 2020 download

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News

Survey - Sofia Offshore Wind Farm

Fugro are due to commence Offshore Site Investigations along the export cable corridor and turbine array of the Sofia Offshore Wind Farm (SOWF), from the 28th March until July 2020.

Fugro will be undertaking Geotechnical Investigations along the SOWF export cable corridor.  In the previous bulletin the start date was anticipated to be 13th March for the Despina. This has been delayed due to weather, but the Despina is planned to be on site before the end of March, provisionally around the 28th March.  Works undertaken by the Despina are anticipated to take a month to complete, dependent on weather conditions.

 

Due to the Despina having limited manoeuvrability whist working in DP mode, it is requested that all vessels operating within this area maintain a safe operational distance, in line with standard procedures i.e. a C.P.A of  500 m, which is included in the survey area buffer of 2,000 m (coordinates below). 

 

Fugro will continue geophysical operations along the export cable corridor and within the offshore turbine array using the Fugro Venturer and the Fugro Pioneer, with works expected to commence at the start of April 2020 and continue through July 2020.  Vessels engaged in geophysical survey operations will deploy survey equipment behind the stern of a vessel and will require a large turning area, as detailed within the relevant Notices to Mariners (NTM’s).

 

Fugro requests a minimum of a 2000m safety zone during geophysical survey operations and all vessels operational in the vicinity should pass at a decreased speed to reduce vessel wash.

 

The geotechnical vessel ‘Despina’ and geophysical survey vessels will be undertaking survey operations on a 24 hour basis, with the guard vessel ‘Margaret Mary’ providing additional support where necessary.  All vessels can be contacted on VHF channel 16 throughout the works for any further information.

 

The following vessels will be operational on site during these works

 

Type of Vessel

Vessel Name

Call Sign

MMSI Number

Geotechnical Survey Vessel Despina LAKW7 259027000
Geophysical Survey Vessel Fugro Venturer C6CG3

311000463

Geophysical Survey Vessel Fugro Pioneer CBH3 311000262

Guard Vessel

Margaret Mary

MGNM6

232025575

 

For general enquiries related to Sofia Offshore Wind Farm you can e-mail comms_sofia@innogy.com or telephone: 03301 229670.  Further contact details for the Fugro Project Manager and Project Fisheries Liaison Officer are detailed below.

 

For further information:  Sally Dalrymple, Fugro, Tel: +44 7917 058751, email: s.dalrymple@fugro.com;

Nigel Proctor (FLO) Precision Marine Survey Ltd Tel: +44 7702 730891, email n.proctor@precisionmarine.co.uk

See detailed map on our bulletin website
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Landfall survey for Dogger Bank (A&B) Wind Farms

Over water survey investigations are planned from 31 March 2020 until 15 May 2020 (weather dependent). The investigation will involve multiple vessels across the site.

Fugro has been contracted to provide a Marine Ground Investigation for SSE, approximately 8km South of Bridlington for a proposed cable landfall.

 

The fieldwork consists of 3 Work Elements:

  1. Work Element 1 – Geophysical Clearance Survey of the cable landfall and nearshore area. 31st March until 23rd April
  2. Work Element 2 – Nearshore Geotechnical borehole drilling from a jack up barge. Acquisition of geotechnical data at 5 or 6 locations along the cable landfall route. 23rd April until 1st May
  3. Work Element 3 – Subsurface Geophysical Survey. Acquisition of sub-seabed geophysical information across the cable landfall route. 4th May until 14th May

Work Element 1

  • The Geophysical Clearance Survey will be performed by the Fugro Seeker, a 12m LOA (Length Overall) purpose-built survey vessel.
  • The vessel will be mobilised in, and all operations and surveys run from, Scarborough.
  • A transit route to site of ~26 nautical miles.
  • This Work Element is expected to take approximately 5 days (not including weather delays).

 

Work Element 2

  • The Nearshore geotechnical site investigation shall be complete from the Haven Seariser 4, a jack up barge of 29m LOA.
  • The proposed site investigations are scheduled along the cable landfall route
  • This Work Element is expected to take approximately 10 days (not including weather delays).
  • Operations will continue on a 24hr basis.
  • The Jack-up barge will be lit to allow night time operations and display RED_WHITE_RED lighting/shapes to indicate that it is a vessel restricted in her ability to manoeuvre.
  • Vessels should keep clear of the jack-up barge at all times and are requested to not approach within 50m.
  • Crew will transfer twice a day in the support RHIB, from the jack up barge directly to Bridlington Harbour.

 

Work Element 3

  • The Subsurface Geophysical Survey will be performed from 2no. 9m LOA covered RHIBs.
  • This Work Element is expected to take approximately 13 days (not including weather delays).
  • The RHIBs will transfer to site daily from Bridlington Harbour.
See detailed map on our bulletin website
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Survey - Hornsea Two

A Benthic survey for the Hornsea Project Two Offshore Wind Farm using the vessel "DSV Curtis Marshal Callsign: 2HWN3" from 24th March until end April 2020.

Ørsted will be carrying out benthic surveys using the DSV Curtis Marshall Call Sign: 2HWN3 in the Hornsea Project Two wind farm array.

 

The surveys are expected to commence on or shortly after 24th March 2020 and may last until the end of April 2020. The exact survey dates are dependent on weather and work progress.  When the works are complete, this Notice will be updated and re-issued.

 

The vessel will be towing a subsea camera system and may be undertaking grab sampling. As such, the vessel will have limited manoeuvrability and it is requested that all vessels operating near the vessels maintain a safe distance (at least 500m) and pass all vessels at minimum speed.

See detailed map on our bulletin website
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Rig - Valaris 72

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Energy Endeavour

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Pipeline Flushing and Riser Deccommissioning - Huntington Field

Please note that Premier Oil’s project to flush and disconnect the Huntington field subsea infrastructure and removal of associated risers in relation to the float-off of the (Teekay owned and operated)

Voyager Spirit FPSO will be undertaken during the period of 5th April 2020 to 31st December 2020.

 

The earliest start date for operations to commence is 5th April. The flushing operations are expected to last 11 days. Disconnection activities will carried out between 7th and 24th May. Both flushing and disconnection works will be undertaken from the Seven Falcon DSV.

 

The risers will be recovered at a later date, post FPSO float-off.

See detailed map on our bulletin website
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Survey - (Ref:1072)

10 day survey, 6th April - 30th September 2020, vessel "TBC"

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
CNOOC Petroleum Europe Ltd

TBC

 

1200m

3m

06/04/2020 - 30/09/2020

For 10 Days

14/26, 20/1
See detailed map on our bulletin website
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Survey - Western Isles Cable Inspections (Central Element)

Briggs Marine Contractors (on behalf of SHEPD) will be undertaking hydrographic surveys to a number of subsea electricity cables within a 1km wide corridor. From 2nd April 2020 for 28 Days

The work will utilise the inshore survey vessel Mersey Guardian Call Sign: 2FGL4 and offshore survey vessel Topaz Tiamat Call Sign:V7A2125 for the operations.

See detailed map on our bulletin website
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Survey - Western Isles Cable Inspection (Southern Element)

Briggs Marine Contractors (on behalf of SHEPD) will be undertaking hydrographic surveys to a number of subsea electricity cables within a 1km wide corridor. From 2 April 2020 for 28 Days

The work will utilise the inshore survey vessel Mersey Guardian Call Sign: 2FGL4 and offshore survey vessel Topaz Tiamat Call Sign:V7A2125 for the operations.

See detailed map on our bulletin website
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Survey - Western Isles Cable Inspections (Northern Element)

Briggs Marine Contractors (on behalf of SHEPD) will be undertaking hydrographic surveys to a number of subsea electricity cables within a 1km wide corridor. From 2 April 2020 for 28 Days

The work will utilise the inshore survey vessel Mersey Guardian Call Sign: 2FGL4 and offshore survey vessel Topaz Tiamat Call Sign:V7A2125 for the operations.

See detailed map on our bulletin website
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UXO Survey (Neart na Gaoithe Wind Farm)

A UXO Survey is continuing along the wind farm export cable route (until 18 May 2020) using the vessel "Glomar Wave" (call sign: 3FX4)

Vessels

Survey Area

Duration

Potential UXO Inspection survey:

Glomar Wave 3FXF4

 

Guard vessel:

Artemis MVIX5

Tranquillity S MJUH9

or  Seagull MVBO2

 

 

Cable Route

56° 14.349' N 2° 18.237' W

55° 57.734' N 2° 22.472' W

55° 57.603' N 2° 23.199' W

55° 57.757' N 2° 23.301' W

55° 57.866' N 2° 22.729' W

56° 00.990' N 2° 21.938' W

56° 01.017' N 2° 22.262' W

56° 02.498' N 2° 21.882' W

56° 02.475' N 2° 21.561' W

56° 14.546' N 2° 18.479' W

02/12/2019 -

18/05/2020

See detailed map on our bulletin website
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Construction of Wind Farm (Neart na Gaothie)

Activities are continuing related to the development of the Neart na Gaothie wind farm.

Survey

1 Month Survey, due to commence on 17 March 2020 within the bundary of the wind farm using the vessel "Fugro Mercator" (call sign: C6DU5).

 

Guard vessel: Artemis (MVIX5), Tranquillity S, (MJUH9) or Seagull  (MVBO2).

 

 

UXO

During a UXO inspection survey within the boundaries of the Neart na Gaoithe Offshore Wind Farm Site and Cable Route, a number of confirmed UXO (cUXO) targets have been identified so far. The cUXO target locations identified between 12 December 2019 and 7 January 2020 are provided in the table below.

 

A 50m exclusion zone is requested at each of these locations.

 

Latitude Longitude Description

56°13.210’N

56°13.716’N

56°14.345’N

56°14.377’N

56°14.487’N

56°14.063’N

56°14.038’N

56°14.011’N

56°14.123’N

56°14.108’N

56°14.113’N

56°14.133’N

56°14.177’N

56°14.628’N

56°14.600’N

56°14.907’N

56°14.934’N

56°14.749’N

56°14.509’N

56°15.415’N

56°16.854’N

56°14.979’N

56°15.887’N

56°16.005’N

56°18.604’N

56°18.925’N

56°14.698’N

56°14.706’N

56°14.669’N

56°14.641’N

56°14.632’N

56°14.616’N

56°13.921’N

56°13.903’N

56°13.921’N

56°17.169’N

56°17.134’N

02°16.736’W

02°15.756’W

02°11.118’W

02°11.573’W

02°11.764’W

02°14.938’W

02°15.140’W

02°17.724’W

02°17.818’W

02°17.812’W

02°17.828’W

02°17.897’W

02°17.917W

02°17.608’W

02°17.580’W

02°17.386’W

02°17.365’W

02°17.078’W

02°14.851’W

02°19.367’W

02°15.654’W

02°17.383’W

02°14.932’W

02°15.005’W

02°13.375’W

02°16.294’W

02°18.405’W

02°18.453’W

02°18.407’W

02°18.477’W

02°18.527’W

02°18.509’W

02°13.508’W

02°13.642’W

02°13.508’W

02°11.895’W

02°11.877’W

15” Naval Shell

8” Projectile

6” Projectile

4” Projectile

15" Projectile (possibly HE)

15" Projectile

20mm Anti-Aircraft Ammunition (AAA)

4" Projectile HE

15" Naval Shell (projectile)

15" Projectile

15" Projectile

15" Projectile

15" Projectile

20mm Anti-Aircraft Ammunition (AAA)

15" Projectile

15" Projectile

15" Projectile

15" Projectile

2.5" Rocket

15" Projectile

15" Projectile

15" Projectile

8" Projectile

15" Projectile

8" Projectile

Buoyant Mine (Charge Case Exposed)

15" Projectile

15" Projectile

15" Projectile

15" Projectile

11" Projectile

15" Projectile

Metallic Obstruction on seabed

Sections of Torpedo

Metallic obstruction on seabed  49m

Collection of metallic    52m and 

wooden debris on seabed

 

 

Buoyage

 

Five special markers are now in position:

 

Name Location

SP 1 - Special Mark - Fl Y 5s light character

56°18.180'N 02°12.075'W

SP 2 - Special Mark - Fl Y 5s light character

56°15.643'N 02°09.329'W

SP 3 - Special Mark - Fl Y 5s light character

56°12.294'N 02°15.796'W

SP 4 - Special Mark - Fl Y 5s light character

56°14.038'N 02°18.975'W

SP 5 - Special Mark - Fl Y 5s light character

56°18.924'N 02°18.951'W

 

Four cardinal buoys are due to be deployed the week commencing 16th March. Planned deployment locations

 

Name Location

NNG - North Cardinal - Quick (Q) white light character

56°20.425'N 02°14.617'W

NNG - East Cardinal - Q (3) 10 s white light character

56°14.329'N 02°08.558'W

NNG - South Cardinal - Q (6) + Long (L) FL 15 s white light character

56°12.294'N 02°09.760'W

NNG - West Cardinal - Q (9) 15 s white light character

56°17.057'N 02°21.084'W

 

A steel chain will be connected to each marker buoy, and the chain will be present through the water column, connected to an anchor placed on the seabed.

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Construction of Wind Farm (Triton Knoll)

Activities are continuing related to the development of the Triton Knoll wind farm. For background information visit: http://www.tritonknoll.co.uk/

Vessels will be operating as follows:

 

Vessel Name

Type

Call Sign

MMSI

IMO

Operating Port

Commence Date

Sorrento

Guard Vessel

SXLE

235087639

N/A

Grimsby

28/12/19

Precision 1

Guard Vessel

2FCD2

235089165

N/A

Hull

28/12/19

Seacat Intrepid

Crew Transfer

2HWU6

235107284

N/A

Grimsby

01/01/20

Seaway Strashnov

Heavy Lift Vessel

5BNL2

212905000

9452701

Rotterdam

01/01/20

Manta

AHTS

ORKJ

205340000

9261487

Rotterdam

01/01/20

Seraya

AHTS

9HA4875

248942000

9662368

Rotterdam

01/01/20

Esvagt Froude Service Operations Vessel OWWN2 219590000 9703461 Grimsby 02/02/20
Esvagt Wind 1 High Speed Craft XPE6305 219019815 N/A Esvagt Froude 02/02/20

Boka Falcon

Boulder Clearance

HP9176

370782000

9448401

Rotterdam

13/02/20

Dalby Don Crew Transfer Vessel 2IMZ6 235111112 N/A Grimsby 18/02/20
Guardian Survey Vessel PCFJ 244750806 N/A Grimsby 18/02/20
Greenbarge 1 North Sea Barge N/A N/A 32120 Newcastle 14/03/20
Centaurus Towing Vessel for Greenbarge 1 V2ED3 305820000 9433755 Newcastle 14/03/20
EDT Hercules Boulder Picking / Mattress Laying 5BAM4 210776000 9491422 Aberdeen 24/03/20
Terra Plana Sand Wave Levelling 5BBX5 209396000 9788746 Grimsby 27/03/20
Greenbarge 3 North Sea Barge N/A N/A LG7125 Antwerp 29/03/20
Centaurus Towing Vessel for Greenbarge 3 TBC TBC TBC Antwerp 31/03/20
Boka Atlantis

Boulder Clearance /

Mattress Installation
V7SG3 538003646 9441221 Vlissingen 23/03/20
Voe Vanguard

Pre-Lay Grapnel Run

MBEN9 232008636 9809693 Grimsby 01/04/20
Zwerver 3

Mass Flow Excavation

PCLQ 246024000 9614878 Vlissingen 06/04/20
Thor Jack Up Vessel DIAV2 218389000 9577147 Vlissingen 16/04/20
Ndurance

Cable Installation

5BVH3 09851000 9632466 Rotterdam 02/05/20

 

All Vessels Can be Contacted Via VHF 16 When Infield

 

Activities planned for the next 7 days:

  • Guard Vessel “Sorrento” continues infield monitoring activities.
  • Anchor Handling Vessels “Manta” and “Seraya” support foundation installation with 8 point mooring spread installation / recovery.
  • Heavy Lift Vessel “Seaway Strashnov” to continue foundation installation works infield at locations “TK-G09” (OSPW) and then relocate to“TK-F18” (OSPE) for installation works.
  • Crew Transfer Vessel “Seacat Intrepid” operating on site as required from Grimsby.
  • Boulder clearance vessel “Boka Falcon” carrying out boulder clearance works within the TKOWF boundary.
  • Service Operations Vessel “Esvagt Froude” infield supporting construction operations.
  • Crew Transfer Vessel “Dalby Don” infield supporting “Boka Falcon” activities.
  • Survey Vessel “Guardian” continues pre installation survey operations across the proposed cable locations.
  • Towing tug “Centaurus” infield with North Sea Barge “Greenbarge 1” carrying OSPW & OSPE foundation components. Working closely with Seaway Strashnov.
  • Anchor Handling Vessel “Afon Wen” infield to carry out interim surveys of the perimeter demarcation buoys.

*** Note ***

 

Application of Triton Knoll Wind Farm Safety Zones During Construction

The Secretary of State has granted the Application of Safety Zones on the Triton Knoll Wind Farm Project as follows:

  • 500m “rolling” safety zones around any structure where construction is being undertaken (as indicated by the presence of construction vessels).
  • 50m pre-commissioning safety zones surrounding partial structures or completed structures prior to commissioning.

Buoys

Partrac Ltd. deployed an additional x3 Demarcation Buoys and x1 Metocean Buoy (Figure 1) at the Triton Knoll Offshore Wind Farm (TKOWF) on 24th November 2019 using the vessel THV Galatea operated by Trinity House.

 

Vessels are requested to leave a wide berth during the installation operations. The buoys will be deployed for a period of two years, and all equipment will be removed at the end of the installation.

 

South Cardinal buoys TK01 and TK05 described in the table below have been recovered from Triton Knoll Offshore Wind Farm for maintenance by the vessel – “Afon Wen”. 

 

Guard Vessel “Sorrento” has been placed  in the general vicinity as a mitigation measure until such a time the buoyage is reinstated.

 

Buoy

Structure

Latitude

Longitude

Individual Specification

TK01

South Cardinal

53°24.054'N

000°57.935'E

Pillar shaped with a south cardinal shaped top mark, exhibiting a Q (6) + L Fl 15s light character (5 nm nominal light range)  RECOVERED

TK02

Special Mark

53°24.568'N

000°54.433'E

Pillar shaped with a yellow ‘x’ shaped top mark, exhibiting a Fl Y 5s light character (5 nm nominal light range)

TK03

Special Mark

53°26.132'N

000°50.008'E

Pillar shaped with a yellow ‘x’ shaped top mark, exhibiting a Fl Y 5s light character (5 nm nominal light range)

TK04

Special Mark

53°27.457'N

000°45.927'E

Pillar shaped with a yellow ‘x’ shaped top mark, exhibiting a Fl Y 5s light character (5 nm nominal light range)

TK05

South Cardinal

53°28.859'N

000°41.181'E

Pillar shaped with a south cardinal shaped top mark, exhibiting a VQ (6) + L Fl 10s light character (5 nm nominal light range)   RECOVERED

TK06

Special Mark

53°30.807'N

000°41.826'E

Pillar shaped with a yellow ‘x’ shaped top mark, exhibiting a Fl Y 5s light character (5 nm nominal light range)

TK07

North Cardinal

53°32.196'N

000°44.248'E

Pillar shaped with a north cardinal shaped top mark, exhibiting a Very Quick (VQ) light character (5 nm nominal light range)

TK08

Special Mark

53°32.444'N

000°47.678'E

Pillar shaped with a yellow ‘x’ shaped top mark, exhibiting a Fl Y 5s light character (5 nm nominal light range

TK09

North Cardinal

53°32.428'N

000°52.040'E

Pillar shaped with a north cardinal shaped top mark, exhibiting a Q light character (5 nm nominal light range)

TK10

Special Mark

53°29.595'N

000°55.306'E

Pillar shaped with a yellow ‘x’ shaped top mark, exhibiting a Fl Y 5 second (s) light character (5 nm nominal light range)

TK11

Special Mark

53°26.979'N

000°57.974'E

Pillar shaped with a yellow ‘x’ shaped top mark, exhibiting a Fl Y 5s light character (5 nm nominal light range)

TK12

East Cardinal

53°24.368'N

001°00.228'E

Pillar shaped with an east cardinal shaped top mark, exhibiting a Q (3) 10s light character (5nm nominal light range)

TK13

Metocean Buoy

53°26.002'N

000°55.091'E

Triaxys metocean wave and current buoy (South) exhibiting a Fl (5) Y 20s light character (3 nm nominal light range)

TK14

Metocean Buoy

53°30.581'N

000°47.944'E

Triaxys metocean wave and current buoy (North) exhibiting a Fl (5) Y 20s light character (3 nm nominal light range)

 

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Pipeline Bundles & new template - Snorre Field

Equinor and contractor Subsea 7 will perform a tow operation of two 6.7km long pipeline bundles from the bundle fabrication site in Wester, Wick, Scotland to the Snorre Field in the NCS block 34/4 and 34/7. Bundle tow 19th March complete by 20th March.

The transport and installation of the pipeline bundles will be performed by the main vessel Siem Sprearfish (east bundle) and Seven Arctic (north bundle) + additional support vessels. The East Bundle will be installed between Snorre A, and Snorre template X and Z.  The North Bundle will be installed between Snorre template Z, M and N.

 

The Snorre East Bundle is currently parked due to bad weather in location: KP 370  60°24.908'N 001°38.195'E

 

North bundle is delayed, not expected to commence tow before 1st week of April.

 

In addition 2 new templates will be installed at the Snorre Field in the period 01/04/2020 - 01/05/2020 by contractor Deep Ocean with the vessel Edda Freya.

 

Generalized Tow Route from Wick to Snorre Field

Location

Latitude

Longitude

Wick

58°30.487'N

03°08.066'W

 

58°24.823'N

02°24.977'W

 

59°02.655'N

00°06.246'W

 

59°35.373'N

00°26.357'E

 

60°06.001'N

01°01.277'E

 

60°38.125'N

01°58.685'E

 

60°49.326'N

02°18.928'E

 

61°03.616'N

02°25.444'E

Snorre Field

61°31.671'N

02°07.647'E

 

New template installations at Snorre Field

Location

Latitude

Longitude

Snorre Template N

61°33.297'N

02°15.321'E

Snorre Template Z

61°29.745'N

02°13.911'E

 

Existing template at Snorre Field currently being monitored

Location

Latitude

Longitude

Snorre Template M

61°32.160'N

02°14.718'E

Snorre Template V

61°29.738'N

02°08.894'E

Snorre Template W

61°30.818'N

02°07.330'E

Snorre Template X

61°28.936'N

02°12.273'E

 

Please be noted that the templates and bundle towheads, also the ones installed last year will not be over-trawlable until all installation activities are complete in October/November later this year. Equinor marine centre will monitor marine activities at these locations and can be contacted on +47 55 14 32 78 or VHF Ch. 14

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Survey - Hornsea Project Four

Hornsea Project Four will be carrying out offshore geophysical surveys from 20 March 2020 (weather dependent) for the proposed Hornsea Project Four Offshore Wind Farm located within the UK Sector of the North Sea, off the coast of East Yorkshire.

Ørsted will be carrying out a geophysical survey with the vessel Geo Ocean IV for the Hornsea Project Four Wind Farm.

 

A local scout/pilot vessel (Moremma) will also be contracted to reduce any potential interactions with static fishing gear markers.

 

The operations are planned to commence on or around 20 March 2020 and last approximately 2 weeks. The exact survey dates are dependent on weather and work progress, but the forecasted completion date as of the publication date of this notice is the end of April 2019.

 

The survey areas will be covered using a full geophysical survey spread including towed equipment which may be up to 400m behind the vessel. It is requested that all vessels operating within the area keep a safe distance (750m) and pass at minimum speed.

 

Survey Vessel: Geo Ocean IV

Call Sign: LXHD

Sat Phone: +32 (0) 4769 208 75

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Boulder Clearance - Hornsea Project Two

Boskalis will be carrying out boulder clearance on behalf of Hornsea Project Two along the proposed export cable routes using the Boka Falcon from 22nd March 2020

Company Vessel

& Call Sign

Survey Area Duration

Orsted

Boka Falcon

HP9176

Titan Endeavour

2ELT9

53°31.921'N 000°38.521'E

53°32.067'N 000°39.055'E

53°36.896'N 000°47.769'E

53°37.145'N 000°48.815'E

53°37.140'N 000°48.451'E

53°39.680'N 001°02.930'E

53°39.836'N 001°03.407'E

22 nd March 2020

 

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Survey - Sheringham & Dudgeon Offshore Wind Farm

A 60 day survey geophysical survey will be conducted on the proposed Sheringham Shoal and Dudgeon Extension offshore windfarm on the North Norfolk coast

 

 

Company Vessels

Area

Duration

Equinor ASA

Ocean Endeavour

GAAL

 

53°13.817'N  01°09.467'E

53°05.483'N 01°31.483'E

52°59.217'N 01°22.683'E

53°03.000'N 01°12.200'E

01/04/2020 

For 60 Days

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Survey - West of Oseberg

R/V Petrel Explorer (call sign 5BKK) will start seismic survey West of Oseberg area in the Norwegian sector and cross the border to the UK after few days.

140-180 nodes on the bottom, each one between 4-500 kg, the distance between each 1000-1800m. 90% of the nodes will be on the Norwegian side, 8-10 nodes will be on the border or couple of cables into the UK sector.

 

Company Vessels

Towed Cable

Length & Depth

Duration
Petrel Explorer

R/V Petrel Explorer

5BKK

 

140-180 nodes

1000- 1800m

21/03/2020 -

30/04/2020

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Topsides Dismantlement of the Pickerill A Installation

Due to the current global pandemic the Energy Endeavour will not commence decommissioning works, but will remain positioned at the platform for an indefinite period.

Upon completion of the Hyde Velocity String Works the Energy Endeavour Jack-Up Barge, has now sailed and moved into position at the Pickerill A Platform UKCS 48/11.

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Decommissioning - Suspended Well Whirlwind 205/21a-5

Petrofac Facilities Management Ltd (PFML) propose to cut and retrieve the wellheads at the Whirlwind well location, located west of Shetland. 

The wellhead cutting operation will be carried out using the Helix Seawell LWIV (the vessel uses DP to maintain position).

 

It is proposed that wellhead cutting operations will begin at the earliest the 15th March 2020 and take around 2-3 days

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Drilling - Birgitta Field 22/19a

The Maersk Resilient will start a drilling operation in Block 22/19a UKCS from 17th March 2020

Field Well Position Start/Finish Duration
Birgitta 22/19a 57°21.366'N 001°38.196'E 17/03/2020 51 Days

 

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Survey - (Ref:1071)

A 6 day survey, expected to start 12 April 2020 with the vessel "Ocean Reliance" (HP6391)

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Gardline Ltd

Ocean Reliance

HP6391

 

1200m

12/04/2020 - 01/04/2021

For 6 Days

42/3,6
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Survey - (Ref:1070)

A 6 day survey, expected to start 12 April 2020 with the vessel "Ocean Reliance" (HP6391)

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Gardline Ltd

Ocean Reliance

HP6391

 

1200m

12/04/2020 - 01/04/2021

For 6 Days

32/28, 42/2,3
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Development - Catcher Field

Drilling and subsea activities to be undertaken, on behalf of Premier Oil UK Limited at the Catcher Field located in block 28/9a of the UKCS.

Drilling

 

The Valaris Gorilla VI Mobile Offshore Drilling Unit will mobilise from Dundee Forth Ports 03/04/20 and arrive at Catcher Varadero Drilling Template 56°48.410'N 000° 42.430'E  05/04/20.

 

The Gorilla VI will remain on location at Varadero Drilling Template until transiting to Catcher North Laverda Drilling Template 56°48.927'N 00°44.087'E circa 02/07/20. The Gorilla VI is then scheduled to remain at Catcher North Laverda until December 2020.

 

Subsea 

  • Subsea 7 Skandi Acergy Phase 1 will mobilise 08/05/20 for 1 week for template installation at Catcher North Laverda.
  • Skandi Acergy Phase 2 will mobilise 21/05/20 for 2 weeks for umbilical and pipeline installation from Varadero to Catcher North Laverda.
  • Subsea rock installation vessel will mobilise 24/06/20 for 1 week to perform rockdumping activities between Varadero and Catcher North Laverda templates.         

Diving Support Vessel will mobilise 18/09/20 for 3 weeks to perform template tie-ins at Varadero.

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Cable Repairs - IFA 2 Interconnector Project

Cable works for the IFA2 project are continuing at KP170.3 of IFA2 RPL (50°39.117'N 000°50.855'W)

Cables Repair works of the HVDC bundle in the vicinity of KP170 are continuing.

 

The Jack up ring Brave Tern will be deploying 2 yellow cable marker buoy approx. 150m apart and from each one a line 15m long with A4 buoys attached. It is expected that one will be placed in the water on 17/18 March 2020 and it is anticipated that they will remain in situ for at least two weeks.

 

Vessels should pass at a safe speed and distance (approximately 500 metres) from all construction and support vessels. During these works the vessels will have restricted maneuverability as they complete their work scope.

 

Deployed Guard Vessels will monitor the exposed areas of cable while works progresses and advise of safe distances locally.

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Dropped Drill String - Recovered

UPDATE: All 423ft of Drill-String has now been recovered from the seabed as of 15th March 2020.

423 ft. of drill-string consisting of 142 ft. of 5 ½ inch heavy weight 105 drill pipe and 281 ft. of S-135 drill pipe. The drill pipe is made of iron with a 5 ½ inch diameter and is used for normal drilling of wells.

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Construction of wind farm (Moray East)

Due to the construction of the Moray East Offshore Wind Farm, there are several elements to this notice - safety zones; construction schedule; and buoy positions.

For background information about Moray East, please visit: www.morayoffshore.com/moray-east

 

Safety Zones

Please be advised that the Scottish Ministers have authorised the use of the safety zones during construction and operation of the Moray East Offshore Wind Farm as detailed below.

 

During construction

  • A 500 metre radius around each WTG and OSP where construction works are taking place that include sensitive activities being undertaken by vessels RAM. A maximum of three of such zones is permitted at any one time. 
  • A 50 metre radius around partially completed WTGs and OSPs where work is not underway and the risk assessments identify a need. 
  • A 50 metre radius around each completed WTG and OSP prior to commissioning and as required by a risk assessment process. 

During major maintenance

  • A 500 metre radius around all major maintenance works being undertaken around the WTGs and OSPs. No more than one major maintenance zone is permitted at any one time.

Construction Activities

It is currently anticipated that weather permitting offshore construction works will be carried out on a continuous basis (i.e. 24 hour working, seven days a week) unless notified otherwise.

 

Please be aware that by virtue of its mode of operation and the equipment deployed, the MV Apollo and the MV Normand Service will be Restricted in their Ability to Manoeuvre as defined under COLREGS (International Regulations for Preventing Collisions at Sea 1972, Rule 3). Masters of vessels are therefore requested to maintain their vessels and gears at a minimum safe distance from these vessels of 500 metres when they are undertaking it work and showing the appropriate shapes and lights.  Further Notice to Mariners will be issued as construction progresses.

 

 

Company,

Vessel &

Call Sign

Survey Area

Survey Area

Start Timeframe & Duration

GeoSea

MV Apollo

LXBP

58°13.261'N 02°34.267'W

58°08.003'N 02°34.182'W

58°03.878'N 02°54.747'W

58°12.529'N 02°52.563'W

58°19.425'N 02°44.191'W

1 May 2019 for approximately 11 months

GeoSea

MV Normand Service

LAFR8

As above

As above

As above

Kinnaird Marine

GV Replenish

MASY7

As above

As above

As above

Kinnaird Marine

GV Resolute

MLPD5

As above

As above

As above

Kinnaird Marine

GV Ability

MDFW3

As above

As above

As above

 

 

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Survey - (Ref:1067)

A 10 day survey, expected to start 4 April 2020 for 10 Days, with the vessel "Ocean Reliance" (HP6391)

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Gardline Ltd

Ocean Reliance

HP6391

 

N/A

04/04/2020 - 31/05/2020

For 10 Days

43
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Tolmount to Easington Pipeline Construction

Saipem Ltd will be performing offshore construction works, including pipelay activities, on behalf of Premier Oil Ltd on the proposed Tolmount Area Development located in block 42/28d of the Southern North Sea, approximately 50km North East of Easington

The works will be performed on the Tolmount to Easington pipeline route which is approximately 48 km in length and is located in the North Sea east of Bridlington. The pipeline will terminate offshore at the Minimum Facilities Platform (MFP) location.

 

The works will consist of:

  • Inshore dredging operations
  • Route preparations
  • Pipelay and associated support and completion activities
  • Subsea tie-in activities at the platform end pipeline termination

Two discrete operating areas are identified as follows;

  1. Inshore Dredging Operations Area
  2. Pipelay Operations Area

Operations will be conducted on a twenty-four (24) hour per day basis, seven (7) days per week. Any significant changes to the planned operational date ranges will be notified immediately.

 

Activity Planned Operational Date Ranges
Inshore Dredging Activities 04/04/20 to 17/07/20
Route preparations 01/04/20 to 06/06/20
Pipelay & Completion Activities 06/06/20 to 16/08/20

 

Vessels:

 

Inshore Dredging (Inshore Dredge Area)

Backhoe Dredger

Inshore tug

Split hopper dredger x 2

Inshore survey vessel

Guard Vessel x 2

 

Route Preparations (Entire Pipelay Route)

Grab Dredger

Survey Vessel

 

Pipelay Activities (Entire Pipelay Route)

Pipelay vessel (anchored)

Pipe Supply Vessel x 3

Anchor Handling Tug x 3

Survey Vessel

Guard Vessel x 4

 

Pipelay Completion (Entire Pipelay Route)

Plough Vessel

Survey Vessel

Guard Vessel x 4

 

Subsea Tie-In Operations (Inside MFP 500m SZ)

Dive Support Vessel

Multipurpose Support Vessel

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Survey - (Ref:1068)

A 6 day survey, expected to start 4 April 2020 for 8 Days, with the vessel "Fugro Synergy" (C6XR3)

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Spirit Energy Resources Limited

Fugro Synergy

C6XR3

 

N/A

04/04/2020 - 31/05/2020

For 8 Days

43/13
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Exposed Cables - Galloper Offshore Wind Farm

There was evidence of some short sections of cable exposure in 2 areas along the below cable routes in the North Field of the Galloper windfarm.

 

Area Start  Stop
E4H - E5H 51°54.963'N 002°01.325'E 51°54.384'N 002°01.224'E
OSP - F3C 51°57.105'N 002°01.213'E 51°58.309'N 002°03.799'E

 

There is no cable exposure evident in the South Field of the windfarm.

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Survey - Ref:1050

A 40 day Survey, expected to start 15 April 2020, with the vessels "Ramform Tethys" (C6CN8), "Storm West" (LCHX3)

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
PGS Exploration UK

Ramform Tethys

C6CN8

 

8025m

25m

15/04/2020 - 25/05/2020

For 40 Days

210  211
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Survey - (Ref:1064)

A 6 day survey, expected to start 1 April 2020 for 6 Days, with the vessel "Kommandor" (MCJO2)

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Zennor North Sea Limited

Kommandor

MCJO2

1200m

01/04/2020 - 30/04/2020

For 6 Days

21/3
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Rig - Transocean Endurance

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Deepsea Aberdeen

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Paragon MSS1 -TAQA UMC Well

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone. Pre-laid at the TAQA UMC Well ( CAU-P8S1) within the next couple of weeks.

Central Cormorant UMC – Well Abandonment Operations TAQA Bratani is conducting well abandonment operations on a number of wells at the Central Cormorant UMC.

 

The planned operation will consist of abandoning the reservoir and removing the existing Xmas tree ( to be deposited on the seabed) of one well within the subsea field. The operation will be conducted by the Paragon MSS1 semi-submersible drilling rig, with operations to commence at the start of 17th March 2020 and last until the end of June 2020.

 

The rig will be located at 61° 09.732’N  001° 06.665’E  Pre-laying of approximately twelve anchors will take place ahead of the MSS1 arriving on site.

 

The Paragon MSS1 will be located in the Central Cormorant UMC field UKCS Block 211/21a and 211/26.

 

The co-ordinates for the proposed operations are listed below:

  

Coordinates

CAU-P8S1

61°09.731’N 001°06.666’E

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Survey - (Ref:1063)

8 Day survey, Block 15 vessel TBC, 15 April 2020

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

CNOOC Petroleum Europe Ltd

TBC

 

15/04/2020 - 30/09/2020

For 8 Days

15
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Survey - Elgin

ROV Survey Vessel will be carrying out Site Survey activities between: 17th to 24th March 2020, within the 500mz area around the Elgin Platforms:

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Total E & P Limited

 

TBA

N/A

17/03/2020 - 24/03/2020

22/29, 30

29/4, 5

 

Mooring Operations -  Elgin PUQ

 

Four (4) Vessels will be installing pre-laid mooring systems within 3km of the Elgin PUQ between:  24th March to 3rd April 2020, in the proximity of the Elgin Platforms:

 

 

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Rig - Noble Houston Colbert

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Gannet D - Pipeline Flushing

Pipeline Flushing and Disconnection at the Gannet D – Infield 26/03/20 – Depart Field on 11/04/20

Deep Discoverer – Phase 1 GDPR scope – Pipeline Flushing and Disconnection – Infield 26/03/20 – Depart Field on 11/04/20

  • Disconnect PL765 from GG Wye Piece
  • Hot tap and flush LBM, infield flexible, PL766 and R31
  • Disconnect existing pipelines (PL765 and PL766) from the LBM – install blind flanges on LBM
  • Disconnect in field production flexibles from the trees and the LBM – install blind flanges on LBM and trees
  • Install protection mattress over disconnected pipeline ends
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Survey - (Ref: 1058)

0.5 day survey performed from the Tiger Lily Exploration well VSP on 1 May 2020

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Equinor UK Ltd

Performed from Rig

 

01/05/2020 - 30/11/2020

For 0.5 Days

16
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Survey - Conwy & Douglas Platforms

18 days survey conducted around the Conwy platform and the pipelines in between Conwy and Douglas Platforms by the vessel "MV Bibby Athena from 2nd April 2020

Company Vessels

Towed Cable

Length & Depth

Duration

Bibby Hydromap

Bibby Athena

2ICA5

N/A

02/04/2019 - 20/04/2020

For 18 Days

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Survey - Loch Roag

The Scottish Salmon Company (SSC) will be carrying out a hydrographic survey in March in Loch Roag

Company Vessels Duration
Scottish Salmon Company 

Ana

MPMY5

05/03/2020 

For 110 Days

 

The deployment location will be marked by 1 yellow buoy, marked “survey”, and 1 orange buoy.

 

Mariners are requested to navigate with caution in this area.

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Dogger Bank - Survey

The work will be performed in the Dogger Bank Project A (formerly Creyke Beck A), Dogger Bank Project B (formerly Creyke Beck B) Dogger Bank Project C (formerly Teesside A) project areas, and along the project A&B offshore export cable corridor to Ulrome

Geo will be performing geotechnical operations on behalf of Dogger Bank Offshore Wind Farm. The vessel “Wilson Adriatic” Call Sign: OYOJ2 will conduct operations within the period 13th March to 31st May 2020.

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Wenlock Decommissioning Site Survey

Alpha petroleum plan to undertake a Marine Survey in the Southern North Sea of the Wenlock installation. Full coverage bathymetric echo-sounder and side-scan sonar surveys will be conducted.

The geophysical survey is anticipated to commence on 28th February 2020 at the earliest. The latest completion date for the survey is 31 March 2020. N-Sea’s multi-purpose survey vessel OSV Relume will carry out the survey, the duration of which is expected to last for around 1 day.

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Rig - Borgland Dolphin

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Stena Don

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Ocean Patriot

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Valaris 122

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Valaris 121

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Survey (Amethyst Field Decommissioning)

Perenco UK Limited plan to undertake a Marine Survey in the Southern North Sea as part of the Amethyst field decommissioning programme. Full coverage bathymetric echo-sounder and side-scan sonar surveys will be conducted.

The geophysical survey is anticipated to commence on 23 February 2020 at the earliest. The latest completion date for the survey is 31 March 2020. N-Sea’s multi-purpose survey vessel Relume (Call Sign – C6TR4) will carry out the survey, the duration of which is expected to last for around 7 days. Total time for all platforms and pipelines

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Cable Installation - Havhingsten (Irish Sea)

Subject to granting of all necessary licences and permits (expected March 2020), installation of the Havhingsten fibre optic telecommunication cable system is planned to commence, at the earliest, from April 2020 onwards.

The supplier of the Havhingsten cable is Alcatel Submarine Networks (ASN). Intertek are the environmental and permitting consultants.

 

The entire cable system will comprise marine elements that pass from Denmark to the UK (NE region); from the UK (NW) to the Republic of Ireland; with two segments being installed into landfalls on the Isle of Man. 

 

 

The proposed NW cable route

Landfall will be made at Squires Gate Lane and the cable will include two branches into the Isle of Man.

 

Installation will be via industry standard burial tools including water jetting and ploughing. Target cable burial depth is 1.5m below seabed level in the Irish Sea region.

 

It is anticipated that installation operations in UK waters will occupy up to a maximum 500m width of the seabed (250m either side of cable). The cable itself will occupy only 40mm of the seabed.

 

Expected speed of installation will be 17 km per day. With the planned installation taking approx. 19 days.

 

There will be also be associated rock placement operations post cable installation at one (1) location within UK waters listed below.

 

Rock Placement Location Name

Latitude

Longitude

Western HVDC Crossing Segment 1.5

53° 45.9867’ N

003° 48.9137’ W

 

Vessels will be working throughout 24 hours and will display appropriate day shapes and lights during reduced visibility and night operations.

 

Details of vessels proposed to be used are provided below:

 

Cable Installation Vessel: Ile de Batz (known as Ile de Class)                                                                        

DP Type

Length Overall:                                140.36 m

Breadth:                                            23.40 m                             

 

Cable Installation Support Vessel: Ile d’Aix                                                                                                       

Installation support vessel working on shore ends and post-lay inspection and burial

Length Overall:                                151.54 m

Breadth:                                            21.60 m

 

FFPV Nordnes (Rock Placement Vessel)                                                                                                             

DP Type

Length Overall:                                167 m

Breadth:                                            26 m

 

 

The proposed cable route in the IoM region

The cable route is proposed to cross the Irish Sea from Loughshinny (north of Dublin in Ireland) to Squires Gate Lane (south of Blackpool on the west coast of the UK). This section of the cable route will include two branches into the Isle of Man. With landfalls at Port Erin and Port Grenaugh.

 

Installation will be via industry standard burial tools including water jetting and ploughing. Target cable burial depth is 1.5m below seabed level in the Irish Sea region.

 

It is anticipated that installation operations in UK waters will occupy up to a maximum 500m width of the seabed (250m either side of cable). The cable itself will occupy only 40mm of the seabed.

 

Expected speed of installation will be 17 km per day. With the planned installation taking approx. 7.5 days.

Currently there are no proposed rock dump sites within the IoM region.

 

There will be also be associated rock placement operations post cable installation at the two (2) locations within IoM waters listed below.

 

Rock Placement Location Name

Latitude

Longitude

Western HVDC Crossing Segment 1.2

54° 54.7007’ N

004° 58.3552’ W

Western HVDC Crossing Segment 1.4

53° 53.8396’ N

004° 34.1792’ W

 

All fishing vessels are requested to maintain an appropriate and safe distance of 500 m when passing the cable installation vessels whilst operational and should pass at the lowest possible speed to avoid vessel wash effects.

Vessels will be working throughout 24 hours and will display appropriate day shapes and lights during reduced visibility and night operations.

 

Details of vessels proposed to be used are provided below:

 

Cable Installation Vessel: Ile de Batz (known as Ile de Class)                                                                        

DP Type

Length Overall:                                140.36 m

Breadth:                                            23.40 m                             

 

Cable Installation Support Vessel: Ile d’Aix                                                                                                       

Installation support vessel working on shore ends and post-lay inspection and burial

Length Overall:                                151.54 m

Breadth:                                            21.60 m

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Cable Installation - Havhingsten (North Sea)

Subject to granting of all necessary licences and permits (expected March 2020), installation of the Havhingsten fibre optic telecommunication cable system is planned to commence, at the earliest, from April 2020 onwards.

The supplier of the Havhingsten cable is Alcatel Submarine Networks (ASN). Intertek are the environmental and permitting consultants.

 

The entire cable system will comprise marine elements that pass from Denmark to the UK (NE region); from the UK (NW) to the Republic of Ireland; with two segments being installed into landfalls on the Isle of Man. 

 

The proposed cable route in the NE.

Landfall will be made at Seaton Sluice.

Installation will be via industry standard burial tools including water jetting and ploughing. Target cable burial depth is 2m below seabed level in the North Sea region.

 

It is anticipated that installation operations in UK waters will occupy up to a maximum 500m width of the seabed (250m either side of cable). The cable itself will occupy only 40mm of the seabed.

 

Planned durations of works are as per below:

  • Seaton Sluice: Nearshore to 12nm Territorial Waters boundary: 3-4 days (including 1 day for shore end landing)
  • Seaton Sluice: 12nm Territorial Waters boundary to EEZ boundary (median line): 22 days (including 4 x pipeline crossings)

Expected speed of installation will be 17 km per day.

There will be also be associated rock placement operations post cable installation at the four (4) locations within UK waters listed below. There will also be associated pre-lay rock placement at CATS and Shell pipelines.

 

Planned durations of works are as per below:

  • Seaton Sluice: Nearshore to 12nm Territorial Waters boundary: 3-4 days (including 1 day for shore end landing)
  • Seaton Sluice: 12nm Territorial Waters boundary to EEZ boundary (median line): 22 days (including 4 x pipeline crossings)

Expected speed of installation will be 17 km per day.

 

There will be also be associated rock placement operations post cable installation at the four (4) locations within UK waters listed below. There will also be associated pre-lay rock placement at CATS and Shell pipelines.

 

Rock Placement Location Name

Latitude

Longitude

Shearwater to Bacton  

55 ° 30.7307' N

01° 34.1312' E

Sleipner to Easington

55° 22.3285' N

0° 40.8843' E

Norpipe Pipeline

55° 19.1729' N

0° 16.0142' E

Cats Pipeline

55° 15.8120' N

0° 21.9184' W

 

All fishing vessels are requested to maintain an appropriate and safe distance of 500 m when passing the cable installation vessels whilst operational and should pass at the lowest possible speed to avoid vessel wash effects. Vessels will be working throughout 24 hours and will display appropriate day shapes and lights during reduced visibility and night operations.

 

Details of vessels proposed to be used are provided below:

 

Cable Installation Vessel: Ile de Batz (known as Ile de Class)                                                                        

DP Type

Length Overall:                                140.36 m

Breadth:                                            23.40 m                             

 

Cable Installation Support Vessel: Ile d’Aix                                                                                                       

Installation support vessel working on shore ends and post-lay inspection and burial

Length Overall:                                151.54 m

Breadth:                                            21.60 m

 

FFPV Nordnes (Rock Placement Vessel)                                                                                                             

DP Type

Length Overall:                                167 m

Breadth:                                            26 m

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Survey - Hornsea Project One

Nearshore geophysical survey works will commence with Spectrum 2 on or about 22 February 2020

Company Vessels Duration

Orsted

Spectrum 2

2GHE5

22/02/2020

For 4 Weeks

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NEW Brodgar Pipelines (NOT ON FISHSAFE)

A 10" gas pipeline and umbilical have been installed between two Brodgar wells. These were not submitted in time for including in FishSAFEv39 (January 2020) and so will not be FishSAFE data until July 2020.

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NEW Finlaggen Pipelines (NOT ON FISHSAFE)

A 14" gas pipeline and umbilical have been installed by Zennor from the Finlaggen Drill Centre to the Britannia Platform. These were not submitted in time for including in FishSAFEv39 (January 2020) and so will not be FishSAFE data until July 2020.

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Rig - Transocean Equinox

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - COSL Promoter

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Abandoned hoses and cables - Ninian Field

Pipeline installation Anchor - 2m x 2m x 1m

Abandoned / cut hoses and associated chain / wire debris. Recent survey activity has identified the presence of abandoned & cut hoses and related chain / wire debris, associated with the disused pipelines between Ninian Central and abandoned well 3/3-5A, which may represent a hazard to fishing activities. Exercise caution in the area.

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Abandoned Well - Lincoln 205/26b-14

Petrofac Facilities Management Ltd (PFML) propose to abandon the Lincoln 205/26b-14 well, located west of Shetland. 

The well will be abandoned using the Transocean PBLJ, an anchored semi-submersible mobile drilling rig.  It is proposed that well operations will begin around 5th March 2020 and take around 30 days.

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Uncharted Wreck

Recent wreck reported to UKHO by M/V Northern Wind (Clinton Marine Survey)

The Wreck lies on about 18m depth, it is about 17m long, 4.5m wide & sticks up 1.5m from the seabed

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Infill Well Project - Solan P3

Solan P3 Infill Well works located in block 205/26a P3 of the UKCS.

The ERRV / Standby Vessel  Nor Solan is monitoring the Solan Field 500m safety zones. This vessel will be shared between the Transocean Leader and Solan Platform once the rig arrives on location.

 

Drilling Activity

The Transocean Leader will be at the Solan P3 location below from as soon as the 15th March to approximately the end July.

 

Subsea Activity

The DSV Seven Atlantic is scheduled to commence diving operations at the Solan Platform, P1 and P3 production wells early August 2020 over a period of approximately 3 weeks, and will be replaced by a Rock Dumping Fall-Pipe Vessel (name TBC) to complete rock dumping operations at the end of August 2020. Both vessels will have limited manoeuvrability during their Operations.

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Survey - (Ref:1033)

A 7 day survey, expected to start on 31 December 2019, with the vessels “Ocean Endevour” (GAAL) and “Ocean Observer” (GHXX).”

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Limited

Ocean Endevour

GAAL

Ocean Observer

GHXX

N/A

31/12/2019 - 15/04/2020

For 7 Days

47

 

See detailed map on our bulletin website
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Survey - (Ref:1025)

A 2 day survey at the Isabella Well 30/12d-11, expected to start on 01 January 2020

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Baker Hughes

 

TBC

2m

5m

01/01/2019 - 30/04/2020

For 2 Days

30/12

 

See detailed map on our bulletin website
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Survey - (Ref:1030)

A 7 day survey, expected to start on 16 January 2020, with the vessels “Fugro Venturer” (C6CG3), “Fugro Meridian” (C6QR4)" and “Fugro Galaxy” (C6YY4).”

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Fugro Survey Ltd

Fugro Venturer

C6CG3

Fugro Meridian

C6QR4

Fugro Galaxy

C6YY4

1200m

10m

16/01/2020 - 31/03/2020

For 7 Days

13/20

 

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Survey - (REF:1032)

A 45 day survey, expected to start on 25 January 2020, with the vessel “Petrel Explorer” (5BKK)

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Electromagnetic Geo

Services ASA

Petrel Explorer

5BKK

N/A

25/01/2020 - 01/05/2020

For 45 Days

12/30

 

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Survey - (Ref:1035)

A 1 day survey at the Finzean Well, expected to start on 12 February 2020

Company  Vessels

Towed Cable

Length & Depth

Duration Survey Block

Baker Hughes

TBC TBC

12/02/2020 - 30/04/2020

For 1 Day

12/30
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Survey - Ref:1046

A 28 day survey, expected to start on 01 March 2020, with the vessel “Normand Mermaid” (LAXH7)

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

BP Exploration

Normand Mermaid

LAXH7

N/A

01/03/2020 - 31/05/2020

For 28 Days

16/28
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Survey - Ref:1048

A 7 day Survey, expected to start 01 March 2020

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Azinor Catalyst Limited

TBC

1200m

3m

01/03/2020 - 01/04/2020

For 7 Days

14/14,15,19,20
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Survey - Ref:1036

A 245 day Survey, expected to start 01 March 2020, with the vessels "Sanco Star" (ZDIT8) "Normand Tonjer" (LAXJ5) and "MAC Pagasus" (9HA3722)

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

CCG Services (UK) Limited

Sanco Star

ZDIT8

Normand Tonjer

LAXJ5

MAC Pegasus

9HA3722

 

01/03/2020 - 31/10/2020

For 245 Days

22,23,29 & 30

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Survey - Scottish Salmon Company

The Scottish Salmon Company (SSC) will be carrying out a hydrographic survey in February off the coast of Ulva, Isle of Mull.

Company Vessels Duration
Scottish Salmon Company 

MV Maid of Ulva

MCHE6

05/02/2020 

For 90 Days

 

The deployment location will be marked by 1 yellow buoy, marked “survey”, and 1 orange buoy.

 

Mariners are requested to navigate with caution in this area.

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Rig - Foinaven Petrojarl FPSO

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Wave Rider Buoy - South Pembrokeshire

The Waverider and Guard Buoy off South Pembrokeshire has been redeployed (on 23 January 2020).

Recording oceanographic euipment has been deployed and a yellow, Class 2 Gyard Buoy carrying radar reflectors.

 

Both buoys are fitted with a yellow light exhibiting the sequence Fl Y (5) 20s.

 

Vessels please take particular care whilst navigating in this area and keep at least 5 cables/1100m from the guard buoy at all times.

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Rig - Rowan Stavanger

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Maersk Intrepid

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - COSL Pioneer

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Maersk Integrator

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Rowan Gorilla 7

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Transocean 712

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Maersk Highlander

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Rowan Gorilla V

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Ocean Endeavor

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Maersk Innovator

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - 590021

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Borr Ran

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Seafox 4

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Ensco 100

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Maersk Resolve

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Maersk Interceptor

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Ensco 120

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Noble Sam Hartley

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Maersk Guardian

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Maersk Invincible

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Maersk Reacher

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Rowan Viking

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Noble Sam Turner

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Prospector 5

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Prospector 1

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Ensco 92

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Seabed Mooring - North Rockall Trough

Short mooring, max 90m tall, consisting of a single vertical cable with a few instruments, anchored to the seabed (1030m water depth), with subsurface buoyancy (no surface marker). 

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Pipeline Spans - Camelot Field

An old pipeline system from Camelot, platform and wells were abandoned a few years ago, and the pipelines were flushed and left partially buried.

Please be advised that an old pipeline system from Camelot, platform and wells were abandoned a few years ago, and the pipelines were flushed and left partially buried.

 

Shifting sands have now revealed the spans as below.

 

Please exercise caution in this area

 

Start Position End Position Length (m) Height (m)
52°57.537'N 002°10.497'E 52°57.545'N 002°10.512'E 23.15m 1.14m
52°58.616'N 002°12.813'E 52°58.625'N 002°12.835'E 30.37m 0.91m
52°58.647'N 002°12.884'E 52°58.651'N 002°12.893'E 12.33m 3.99m
53°02.272'N 002°14.102'E 53°02.279'N 002°14.102'E 11.79m 0.31m

 

See detailed map on our bulletin website
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Decommissioned Pipeline End - PL5

The decommissioned PL5 pipeline currently has two exposed ends that could present a hazard to fishing.

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Floating LiDAR Buoy - Moray OWF (West) Ltd

Mariners are advised that a Floating LiDAR Buoy, primarily measuring wind and metocean data, is deployed at a location in the centre of the Moray West Offshore Wind Farm Site.

The Floating LiDAR Buoy was deployed on 2nd December 2018 and is to remain in place until December 2020.

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Pipeline Span - PL3088, Cygnus Field

The PL3088 Cygnus Export Pipeline Span located ~21km South West of Neptune’s Cygnus Alpha Complex.

The PL3088 Cygnus Export Pipeline Span located ~21km South West of Neptune’s Cygnus Alpha Complex, as reported during the 2019 pipeline inspection campaign. The 29m span length and 0.26m span depth shown below could present a Hazard to Fishing.

 

Start Position End Position Length (m) Height (m)
54º27.672’N   02º01.612’E 54º27.664’N   02º01.589’E 29m 0.26m

 

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Exposed Cable Sections - EirGrid East West Interconnector

Following a recent marine survey along the route of the EirGrid East West Interconnector power cable, is was found that the cable is currently exposed at two locations within UK 12-mile territorial waters fishery limit off the North Wales coast.

In the interests of maritime safety, mariners/fishermen are advised not to anchor, trawl or deploy bottom contact fishing equipment in the vicinity of the EirGrid East West Interconnector power cable route and within the boundary box of the exposed cable sections as detailed.

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Drilling Operations - LAD Field, Block 22/10a

Chrysaor are planning to tow the rig Rowan Gorilla VII to a drilling location in Block 22/10a.

The tow is expected to commence on the 15th January (at the earliest) and is expected to take approximately 6 hours. The operations are expected to last up to 117 days. The tow vessels are not known at this stage.

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Rig - Noble Lloyd Noble

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Deepsea Yantai

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Transocean Norge

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Transocean Spitsbergen

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Esvagt Capella

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Irish Sea Pioneer

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Safe Caledonia

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Wilphoenix

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Glen Lyon

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Mizu FPSO

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Rig - Island Innovator

Oil & gas rigs are protected by a 500m safety zone and some may have anchors extending beyond this zone.

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Unexploded Ordnance

Hornsea Project Two has completed unexploded ordnance (UXO) investigations for the proposed Hornsea Project Two Offshore Wind Farm located within the UK Sector of the North Sea for 2019, off the coast of East Yorkshire.

Mariners are advised that Hornsea Project Two confirms the presence of 13 confirmed unexploded ordnance (UXO) as yet undetonated within the export cable corridor.

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Deployment of Marker Buoys - Nemo Link Cable

2 x Marker buoys have been deployed along the Nemo Link Cable

Marker buoys have been deployed at 2 locations along the Nemo Link subsea cable route approximately 8.5km and 17.5km East of Ramsgate at the following positions:                                                                                                                                                            

 

51°19.193'N 001°32.578'E                                                                                                                                

51°19.817'N 001°40.282'E                                                                                                                                                                                                            

 

The buoys consist of a hull, day marker, mooring chain and sinker. The outer hulls and day marks are identified by yellow paint.

Fishermen and Mariners are requested to note the buoy locations and to maintain a safe distance during fishing and marine activities.

                  

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Breagh Pipelines - Exposed Fibre Optic Cable

The Breagh fibre optic cable (PL2770) is exposed on the seabed along various stages of the route between Redcar and the Breagh A platform.

A scallop dredger became snagged on an exposed section of the fibre optic cable in June 2019 causing serious damage to the fibre optic cable and subsequently had to abandon retrieval of his gear for safety reasons.  This notification is made to the fishermen, operating between Redcar and the Breagh A platform, to be advised that the fibre optic cable represents a serious snag risk to both scallop dredgers and static gear fishing in the vicinity of the line.

 

Fishermen are advised to stay away from the line to avoid the risk of becoming snagged on the unburied sections of cable.

 

Breagh Alpha Platform 54°35.693'N 000°25.926'E
IP1 54°36.372'N 000°24.471'E
IP2 54°37.462'N 000°06.365'W
IP3 54°38.642'N 000°40.856'W
IP4 54°39.893'N 000°55.992'W
IP5 54°37.757'N 001°04.765'W

 

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Dropped objects on seabed

During recent maintenance work at Turbine position C06 several objects were dropped on the seabed. The biggest being a Bearing Transport Frame (1800mm x 2236mm x 830mm) weight – 947kg as well as 33m of steel Crane Wire and several smaller objects.

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Cable spans

Surveys at Greater Gabbard show that there are 8 free-spans which are listed below.

Location

Span Length (m)

Span Height (cm)

Start of Span

End of Span

L1 cable

6

0

52° 12.284'N 001°39.364'E

52°12.283'N 001°39.369'E

L1 cable

8

13

52° 12.271'N 001°39.434'E

52°12.270'N 001°39.441'E

L1 cable

8

20

52° 12.064'N 001°40.559'E

52°12.061'N 001°40.565'E

L2 cable

15

5

52° 12.128'N 001°40.524'E

52°12.124'N 001°40.535'E

L2 cable

8

76

52° 12.119'N 001°40.560'E

52°12.118'N 001°40.567'E

L3 cable

3

11

52° 12.169'N 001°40.502'E

52°12.169'N 001°40.504'E

L3 cable

13

34

52° 12.148'N 001°40.594'E

52°12.146'N 001°40.604'E

L3 cable

17

10

51° 59.194'N 001°57.431'E

51°59.187'N 001°57.442'E

 

Whilst the results continue to be processed, Balfour Beatty have asked that in the interest of safety and the integrity of the cable, extreme caution be used when Fishing near the export cables and that Fishermen refrain from using towed gear across the export cables wherever possible.

 

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Exposed sections of cable

Surveys at Gunfleet Sands offshore wind farm have illustrated that some array/in-field cables are lying exposed on the seabed and are no longer buried and there is one freespan. These may represent a hazard to fishing.

These are the following cables located in the eastern part of Gunfleet Sands 1 and the north eastern part of Gunfleet Sands 2.

 

Location

Exposure Length (m)

Start of Exposure

End of Exposure

Between turbines C06-D06

4

51°44.447'N 01°15.045'E

51°44.445'N 01°15.046'E

Between turbines F06-F07

23.7

51°44.204'N 01°16.057'E

51°44.209'N 01°16.076'E

Between turbines F07-F08

78.4

51°44.471'N 01°16.744'E

51°44.448'N 01°16.688'E

Between turbines F08-F09

851.7

51°44.485'N 01°16.777'E

51°44.726'N 01°17.398'E

Between turbines G06-G07

21.7

51°44.008'N 01°16.270'E

51°44.002'N 01°16.255'E

Between turbines G07-G08

21.9

51°44.273'N 01°16.948'E

51°44.267'N 01°16.932'E

Between turbines G08-G09

20.7

51°44.276'N 01°16.953'E

51°44.280'N 01°16.969'E

Between turbines G08-G09

16.6

51°44.522'N 01°17.591'E

51°44.527'N 01°17.603'E

 

There is a freespan at the following array Cable Position:

 

Location

Exposure Length (m)

Start of Exposure

End of Exposure

Between turbines C06-D06

4

51°44.447'N 01°15.045'E

51°44.445'N 01°15.046'E

 

 

 

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Exposed Export Cable (Beatrice Wind Farm)

During a routine inspection of the export cable EC2, a short section of the cable was found to be partially exposed on the Seabed. This may constitute a hazard to activities such as fishing and anchoring.

A short area (4metres) of partial exposure of Export Cable EC2 is in the vicinity of the mid cable joint at the location where the cable changes direction through 180 degrees.

 

The maximum exposure observed was approx. 50% with no damage or defects observed. The seabed at location was observed to be flat and featureless and mainly consisted of sand and silt. It is requested that mariners avoid activities which are likely to disturb the seabed within a 500m Radius of this location until the exposed cable has been re-buried. A further Notice to Mariners will be issued to confirm the re-burial and safe operation in this area.

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Exposed cable and lost fishing gear

Exposed section of cable and lost fishing gear.

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Exposed cable and lost fishing gear

Exposed section of cable and lost fishing gear.

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Exposed Cable Section (SHEFA)

There is an exposed section on the SHEFA cable coming out of Orkney between the two positions below.

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Lost Draghead (Area 460)

Hanson Aggregates Marine Ltd's vessel the 'Arco Axe' lost a draghead together with approximately 20m of dredge pipe attached on 13 October 2018.

The pipe was subsequently (Jan 2019) located at position: 50°44.198'N  000°36.780'E located outside the active dredge zone, but within the licence boundary of Aggregate Extraction Licence Area 460.

 

The survey showed that the pipe and draghead were intact and has not broken or dispersed across the licence area.

 

It is planned to recover the draghead.

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