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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

ALL PLOTTERS (Fishing Plotter File)

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Litton FishMaster (Fishing Plotter File) download

Litton FishMaster (Fishing Plotter File)

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Maxsea (Fishing Plotter File) download

Maxsea (Fishing Plotter File)

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Olex (Fishing Plotter File) download

Olex (Fishing Plotter File)

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Penta (Fishing Plotter File) download

Penta (Fishing Plotter File)

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SIS MicroPlot (Fishing Plotter File) download

SIS MicroPlot (Fishing Plotter File)

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Sodena (Fishing Plotter File) download

Sodena (Fishing Plotter File)

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TM Planner / Quodfish (Fishing Plotter File) download

TM Planner / Quodfish (Fishing Plotter File)

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TRAX (Fishing Plotter File) download

TRAX (Fishing Plotter File)

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Transas Navifisher (Fishing Plotter File) download

Transas Navifisher (Fishing Plotter File)

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Kingfisher Regional - North Sea North and West 2020 download

Kingfisher Regional - North Sea North and West 2020

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Kingfisher Regional - North Sea Central 2020 download

Kingfisher Regional - North Sea Central 2020

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Kingfisher Regional - North Sea South 2020 download

Kingfisher Regional - North Sea South 2020

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Kingfisher Regional - English Channel 2020 download

Kingfisher Regional - English Channel 2020

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Kingfisher Regional - South West Approaches 2020 download

Kingfisher Regional - South West Approaches 2020

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Kingfisher Regional - Baltic North 2020 download

Kingfisher Regional - Baltic North 2020

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Kingfisher Regional - Baltic South 2020 download

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Kingfisher Wallchart 2020 download

Kingfisher Wallchart 2020

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Beatrice 2020 download

Beatrice 2020

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Kingfisher Regional - Irish Sea 2020 download

Kingfisher Regional - Irish Sea 2020

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Hywind 2020 download

Hywind 2020

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Aberdeen Demonstrator Project 2020 download

Aberdeen Demonstrator Project 2020

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Kincardine 2020 download

Kincardine 2020

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Blyth 2020 download

Blyth 2020

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Blyth Demonstrator Project 2020 download

Blyth Demonstrator Project 2020

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Teesside 2020 download

Teesside 2020

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Hornsea Project One 2020 download

Hornsea Project One 2020

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Westermost Rough 2020 download

Westermost Rough 2020

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Humber Gateway 2020 download

Humber Gateway 2020

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Triton Knoll 2020 download

Triton Knoll 2020

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Race Bank 2020 download

Race Bank 2020

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Sheringham Shoal 2020 download

Sheringham Shoal 2020

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Dudgeon 2020  download

Dudgeon 2020

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Lincs 2020 download

Lincs 2020

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Inner Dowsing & Lynn 2020 download

Inner Dowsing & Lynn 2020

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Scroby Sands 2020 download

Scroby Sands 2020

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Galloper 2020 download

Galloper 2020

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Greater Gabbard 2020 download

Greater Gabbard 2020

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Gunfleet Sands & Demonstrator Site 2020 download

Gunfleet Sands & Demonstrator Site 2020

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London Array 2020 download

London Array 2020

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Kentish Flats & Extension 2020 download

Kentish Flats & Extension 2020

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Thanet 2020 download

Thanet 2020

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Rampion 2020 download

Rampion 2020

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Rhyl Flats 2020 download

Rhyl Flats 2020

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Gwynt Y Mor 2020 download

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North Hoyle 2020 download

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Burbo Bank & Extension 2020 download

Burbo Bank & Extension 2020

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Barrow 2020 download

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West of Duddon Sands 2020 download

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Walney 1-4 2020 download

Walney 1-4 2020

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Ormonde 2020 download

Ormonde 2020

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Robin Rigg 2020 download

Robin Rigg 2020

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Nysted 2020 download

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Horns Rev 3 2020 download

Horns Rev 3 2020

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Horns Rev 2 2020 download

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Horns Rev 1 2020 download

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Gode Wind 2 2020 download

Gode Wind 2 2020

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Gode Wind 1 2020 download

Gode Wind 1 2020

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Borkum Riffgrund 2020 download

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Anholt 2020 download

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Fishing Plotter Installation Guide download

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News

Maintenance of Met Mast - Moray (East)

Please be advised that moray offshore windfarm (east) limited will be carrying out some maintenance and survey works on the meteorological mast.

Windfarm support vessel 'Waterfall' will be assisting in operations with work commencing from 4th August with expected competion 7th august. 

Further details of the met mast are provided in figures 1 and 2, in addition to table 1.

See detailed map on our bulletin website
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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, construction vessels listed in the table below may 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

Kinnaird Marine

GV Replenish

MASY7

As above

 

As above

1st May 2019 for approximately 34 months

Kinnaird Marine

GV BOUNTIFUL

MJLF4

As above

 

As above

30th April 2020 for approximately 20 months

Seajack Scylla

3FSA3

As above

 

As above

29th June 2020 for approximately 12 months

Resolution

MBCZ5

As above   As above 12th August 2020 for approximately 1 month

Boa Sub C

LAGE8

As above   As above 21st June 2020 for approximately 6 months

Windcat17

2BYDS

As above   As above 9th August 2020 for approximately 1 month

C-Fenna

MBAH3

As above   As above 6th July 2020 for approximately 4 months

C-Spartan

2BOO9

As above   As above 6th July 2020 for approximately 4 months

Havila Pheonix

C6BD2

As above   As above 17th July 2020 for approximately 4 months

NKT Victoria

LAWV7

As above   As above 17th July 2020 for approximately 4 months
Olympic Triton As above   As above from July onwards

Kinnaird Marine

GV Kinnaird 

GHNE

As above

 

As above

from 16th July onwards

 

 

See detailed map on our bulletin website
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Elgood - Blythe, Blythe - Thames, Pipeline Installation - Preparatory Works

This NtM relates to pre-lay surveys which will be performed along the Elgood to Blythe and the Blythe pipeline routes, with preparatory crossing activities on the latter.

Independent Oil and Gas (IOG) will be installing two gas pipelines in the southern North Sea, a 6-inch diameter pipeline from the Elgood Gas Field to the Blythe Gas Field and a 12-inch pipeline from the Blythe Gas Field to a tie-in point on the existing Thames pipeline. 

 

The area is in the UK Sector off the Norfolk coast.

 

During the second half of 2020 Subsea 7, on behalf of IOG, will be performing a pre-lay survey in advance of the pipeline installation, protecting sections of existing pipelines in readiness for the crossing by the new 12-inch pipeline, and the laying and trenching (burial) and partial connection of the two pipelines.

 

Pre-lay surveys with an ROV will be performed along both pipeline routes and preparatory crossing activities on the Blythe to Thames 12-inch pipeline route.

 

The works will be performed from the DP vessel Seven Navica,

Call-sign: M2HR7

LOA: 109 metres, Breadth: 22 metres

 

The vessel will be deploying a remotely operated vehicle (ROV) in the water, which will restrict its ability to manoeuvre and operations will be conducted on a 24-hour basis.

 

Whilst performing these activities the vessel shall either be static of moving at an approximate speed of <1 knot. Her heading may not be indicative of her direction of travel.

 

It is requested that all vessels within the area maintain a safe distance (500m) and pass at reduced speed.

 

Throughout these operations the vessel will be displaying the shapes and lights prescribed in the International Rules for the Prevention of Collisions at Sea (COLREGS) Rule 27, (Vessels not under command or restricted in their ability to manoeuvre).

 

 

Location: Elgood to Blythe 6-inch Pipeline

DD MM.mmmm (WGS-84)

The 6-inch pipeline will be laid along the following route

(curves denoted as straight lines for ease of plotting):

53°18.299’N  01°23.642’E

Point 2

53°17.586’N  01°24.684’E

Point 3

53°17.527’N  01°24.687’E

Point 4

53°16.459’N  01°26.740’E

Point 5

53°15.394’N  01°27.755’E

Blythe Platform locality - Point 6

53°14.512’N  01°26.744’E

Location: Blythe to Thames Pipeline Connection 12-inch pipeline

DD MM.mmmm (WGS-84)

The 12-inch pipeline will be laid along the following route:

 
Blythe Platform locality – Point 1 53°14.490’N  01°26.792’E

to Point 2 - Crossing

53°13.748’N  01°27.876’E

to Point 3 – Crossing

53°13.703’N  01°27.942’E

to Point 4 – Crossing

53°06.318’N  01°38.692’E

to Point 5 – Crossing

53° 06.274’N  01°38.759'E

to Point 6 - Crossing

53° 06.247’N  01°38.796’E

to Thames Pipeline Connection locality - Point 7

53° 04.550’N  01°41.259’E

 

 

See detailed map on our bulletin website
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Export Cable Installation - Hornsea Project Two

Ørsted have commenced the dredging scope for export cable installation and will be commencing pre-lay grapnel run activities on or around the 23rd August 2020 and are continuing construction of the Hornsea Project Two Offshore Wind Farm.

Array Cable Seabed Preparation and Installation World Marine Offshore will be commencing pre-lay grapnel run activities using the Wilson Adriatic Call Sign: OYOJ2 on or around 23rd August 2020. Cable installation and burial activities will commence in Q1 2020 through to Q2 2021. Works will be continual and intermittent throughout this period. The works will be undertaken by a number of vessels at different times according to the Project schedule

 

Note that the vessels will have limited manoeuvrability, some vessels will be operating on anchors, 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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Completion of Explosive Ordnance - Hornsea Project Two

Mariners are advised that the Explosive Ordnance Detonation (EOD) phase for the pre-construction stage of Hornsea Project Two is now completed.

Hornsea Project Two confirms the presence of 7 Unexploded Ordnance (cUXO) and 2 suspected UXO (sUXO) which remain undetonated within the Hornsea Project Two Wind Farm area. There are no plans to clear these remaining UXO.

All vessels are requested to maintain the required safe distances as defined from the coordinates

 

It should be noted that ongoing seabed preparation for construction, as well as construction activities themselves, may identify further UXO which may need to be cleared from the site. Separate notices will be issued in this case.

See detailed map on our bulletin website
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Deployment of Buoy - Project Erebus Floating Offshore Wind Farm

A Floating LiDAR system and wave buoy are due to be deployed within the boundary of the proposed Erebus Floating Offshore Wind Farm (FLOW) project site. They will be maintained in position via appropriate mooring systems for a 12-month period.

Floating LiDAR  Yellow 'X' Shaped Topmark Fl (5) Y 20s lilght (5nnm range) 

wave Buoy   Yellow  Fl (5) Y 20s light (2-3nm range)

See detailed map on our bulletin website
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Cardinal Buoys - Banff Field

Two cardinal buoys and one marker buoy will be installed at the Banff Field during early to mid September when surface vessels have demobilised to mark subsea infrastructure. The installation is expected to take two days.

The buoys will be installed by anchor handling tug (AHT) as part of other field operations.

See detailed map on our bulletin website
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Survey - Project Erebus Floating Offshore Wind Farm

A geophysical survey is due to be undertaken of the proposed Erebus Floating Offshore Wind Farm (FLOW) project. The survey will cover the main offshore array areas, plus 1km buffer and the proposed export cable corridor (450m width).

A geophysical survey is due to be undertaken of the proposed Erebus Floating Offshore Wind Farm (FLOW) project. The survey will involve the use of Multibeam Echosounder (MBES), Sidescan Sonar (SSS), Sub-Bottom profiler (SBP) and Magnetometer equipment, some of which will be towed sub-surface astern of the vessels.

The survey will cover the main offshore array areas, plus 1km buffer and the proposed export cable corridor (450m width). Closer to shore, the survey corridor will split to cover four potential landfalls. 

The work will be undertaken by four (4) vessels, operated by the survey contractor.

Icent Spirit - Call Sign: 2DCF8

Seazip Fix - Call Sign: PCDE

Seren Las - Call Sign: MDAH2

TBC

 

See detailed map on our bulletin website
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Scientific Moorings (Moray Firth)

The University of Aberdeen has installed moorings and equipment at the following locations.

Mariners are advised that the University of Aberdeen has installed moorings and equipment at the locations listed. Mariners should also note that the University of Aberdeen has serviced and reinstalled in their existing locations moorings and equipment listed.

 

The below moorings support sound recording equipment, and / or acoustic loggers that record echolocation clicks of dolphins and porpoises. Subsurface moorings extend no more than 3m vertically from the seabed.

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Pre positioned MODU Anchors - Serica Rum 3

8 x prepositioned anchors to be installed in support of the Serica Rhum (R3) well intervention operation

8 x 12te Stevpris MK VI anchors will be pre positioned to support the works of the WilPhoenix on the Serica Rhum 3 well intervention operation. The anchors, 4te sub surface buoys and anchor chains will remain in place for the duration of the Rhum well intervention operation. For further information on chain, anchor, touch down and subsurface bouy locations see attachement

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Survey - Hornsea Project Four

Orsted Hornsea Project Four Limited will be carrying out offshore geophysical surveys from 14 August 2020 for the cable landing of the proposed Hornsea Project Four Offshore Wind Farm within the UK Sector of the North Sea, off the coast of E. Yorkshire

Hornsea Four will be carrying out a geophysical survey with the vessel Fugro Seeker Call Sign: 2HC52

The operations are planned to commence on or around 14 August 2020 and last approximately 3 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 August 2020.

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.

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Topsides and Jacket Removal - Brent Alpha Platform

Brent Alpha Platform (topsides and jacket) have been removed. The Jacket footings protrude 55.24m metres above the seabed. There is no longer a Safety Zone around the Brent Alpha remaining structure.

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Survey - UKCS 22/12d and UKCS 22/8

Please be advised that Fugro will be performing geotechnical drilling on behalf of Shell UK Ltd in UKCS 22/12d and UKCS 22/8, tentative dates 18-28 August 2020.

Fugro Synergy will be deploying downhole equipment which will require to remain stationary for periods up to 24 hours at a time. It is requested that all vessels operating within this area keep at a safe distance of 500 metres and pass at minimum speed to reduce vessel wash. 

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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/

Mariners are advised of the offshore construction status at the Triton Knoll Offshore Wind Farm:

 

The following vessels commencing operations at Triton Knoll Offshore Wind Farm

Vessel Name

Type

Call Sign

MMSI

IMO

Operating Port

Commence Date

MTSL Avocet Crew Transfer Vessel 2DXB6 235082698 9609603 Grimsby 24/08/2020

 

Operating predominantly within the Triton Knoll Offshore Wind Farm Array.  Activities include, Foundation Installation, Inter Array Cable Installation, Crew Transfer Operations, Guard Vessel Operations, Demarcation Buoyage Maintenance & Secondary Works on Installed Foundations.

Vessel Name

Type

Call Sign

MMSI

IMO

Operating Port

Commence Date

Sorrento

Guard Vessel

SXLE

235087639

N/A

Grimsby

28/12/2019

Precision 1

Guard Vessel

2FCD2

235089165

N/A

Hull

28/12/2019

Seacat Intrepid

Crew Transfer

2HWU6

235107284

N/A

Grimsby

02/01/2020

Seaway Strashnov

Heavy Lift Vessel

5BNL2

212905000

9452701

Rotterdam

06/01/2020

Manta

AHTS

ORKJ

205340000

9261487

Rotterdam

05/01/2020

Seraya

AHTS

9HA4875

248942000

9662368

Rotterdam

06/01/2020

Esvagt Froude

Service Operations Vessel

OWWN2

219590000

9703461

Grimsby

02/02/2020

Esvagt Wind 1

High Speed Craft

XPE6305

219019815

N/A

Esvagt Froude

02/02/2020

Seacat Courageous

Crew Transfer Vessel

2IDC8

235108711

N/A

Grimsby

25/04/2020

Innovation Jack up Installation Vessel DHUR2 218781000 9603453 Rotterdam 16/06/2020
Spirit Cable Installation Vessel 5BWK4 212471000 9496458 Rotterdam / Hull 26/06/2020
Siem Day Service Operations Vessel LAFB6 257651000 9660102 Rotterdam / Hull 27/06/2020
Drifa Guard Vessel HP7331 355507000 8133138 Den Helder 01/07/2020
Ndeavor Cable Installation Vessel 5BVG3 209852000 9650212 Rotterdam / Hull 05/07/2020
MCS Blue Norther High Speed Craft 2GDD5 235096374 9662435 Grimsby 02/07/2020
MCS Pampero High Speed Craft 2FKV2 235092103 9678628 Grimsby 02/07/2020
MTSL Falcon Crew Transfer Vessel 2FD04 235090347 N/A Grimsby 15/07/2020
Afon Cefni Buoy Maintenance Vessel 2FYX2 235095403 9258181 Hull 15/07/2020

Dalby Don

Crew Transfer Vessel

2IMZ6

235111112

N/A

Grimsby

18/02/2020

 

Vessels operating within both Triton Knoll Offshore Wind Farm Export Cable Route.  Activities include Cable Installation and Guard Vessel Duties.

Vessel Name

Type

Call Sign

MMSI

IMO

Operating Port

Commence Date

Glomar Arctic

Guard Vessel

HO9083

371278000

8711473

Den Helder

05/06/2020

Glomar Advance

Guard Vessel

HO5178

370048000

8205814

Den Helder

25/06/2020

Olympic Zeus Offshore Construction Vessel LAUR 258060000 9424728 Aberdeen 10/08/2020
 

*** 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.

 

Demarcation Buoys

Partrac Ltd have deployed x12 Demarcation Buoys and x2 Metocean Buoy at the Triton Knoll Offshore Wind Farm (TKOWF) to mark the perimeter of the TKOWF site boundaries.

 

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.

 

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)

 

Notice to Mariners Currently in Force

007/2020 & 013/2020

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Relocated Unexploded Ordnance - Neart na Gaoithe Offshore Wind Farm

Following unsuccessful clearance activities at some of the confirmed Unexploded Ordnance (UXO) items, six UXOs have been relocated to date within the Neart na Gaoithe (NnG) Offshore Wind Farm and Export Cable Corridor.

These UXO items either do not contain a fuse or are confirmed as solid shots and clearance by detonation is not likely to be possible. As such, relocation of the item is necessary. The item will be relocated to a position outwith the construction areas, but within the boundaries of the NnG licensed area, as permitted by the Marine Licence.

 

Latitude Longitude Target
56°14.752’N 02°18.472’W G_MAG_0029
56°14.760’N 02°18.474’W G_MAG_0010
56°14.154’N 02°14.886’W E_MAG_0683
56°13.677’N 02°18.681’W ERC_O_MAG_0332_A
56°14.955’N 02°17.445’W E_MAG_0068
56°14.953’N 02°17.437’W E_MAG_0070
56°14.607’N 02°17.618’W E_MAG_0036
56°15.399’N 02°19.521’W G_MAG_0109
56°14.766'N 02°17.025’W E_MAG_0227
56°14.131’N 02°18.011’W E_MAG_0008
56°14.568’N 02°18.617’W E_MAG_0018
56°15.875’N 02°14.986’W C_MAG_0070
56°13.739’N 02°18.685’W ECR_O_MAG_0362_A
56°13.784’N 02°18.671’W ECR_O_MAG_0378

 

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Wet Storage of Caisson Sections - Bruce 500m Safety Zone

Caisson Wet Storage Location

The wet storage area will, when complete, consist of eight by one tonne gabions with two sections of redundant caisson resting on them. The two caisson sections are 20 metres and 18.5 meters in length weighing 18.4 tonnes and 10.3 tonnes respectively. Six by one tonne gabions were placed on the seabed with the 20 meter section of caisson resting atop of them on the 12th of June 2020. The date when the second 18.5 meter section of caisson will be position in the wet storage area has not yet been determined. 

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Pre-Lay Survey and boulder clearance Operations.(PLGR)

Moray Offshore Windfarm (East)Limited (Moray East) are planning to carry out pre-lay grapnel runs (PLGR) on the determined inter array cable sections in order to clear the cable route ahead of the laying of the export cable(via a different vessel).

Please be aware that by virture of its mode of operation the Voe Vangard will be Restricted in her Ability to Manoevre(RAM) as defined under COLREGs (International Regulations for Preventing Collision at Sea 1972 Rule 3). Masters of vessels are therefore requested to maintain their vessels and gear at a minimum safe distance from the vessel of 500meters when it is undertaking work and showing the appropriate shapes and lights in accordance with COLREGs Rule 18. Futher updates and weekly notice of operations can be accessed in the Moray East Website.Commencing cira 18/08/2020

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Gannet D Field - Vessel Activity

Pipelay, Survey/Metrology, Trenching, Tie-In and Rockdump operations

Pipelay Apache II – Pipelay Operations (TechnipFMC) Gannet D Project scopes – Infield 26/08/20 – Depart Field on 11/09/20

  • Pipelay operations from Gannet A to Gannet D – 16km
  • Interim trip to port to mobilise second pipeline
  • Pipelay operations from Gannet A to Gannet D – 16km

 

SUV Normand Mermaid – Survey/Metrology Operations (TechnipFMC) Gannet D Project scopes – Infield 28/08/20 – Depart Field on 29/09/20

  • Survey positional checks at Gannet A and Gannet D
  • Survey and debris clearance, DLA and clumpweight deployment and recovery at Gannet A
  • Debris clearance along pipelay route where required
  • Mattress installation over Gannet G crossing
  • Pipelay support along pipelay route
  • Flood, clean & gauge commissioning activities of both pipelines
  • Pre and post lay and trench survey activities
  • Pipeline strength test activities
  • Metrology activities at Gannet A and Gannet D

 

SUV Normand Ranger – Trenching Operations (TechnipFMC) Gannet D Project scopes – Infield 31/08/20 – Depart Field on 26/09/20

  • Trench pipelines from Gannet A to Gannet D
  • Post trench surveys from Gannet D to Gannet A
  • Backfill pipelines from Gannet A to Gannet D
  • Post backfill/out of straightness surveys from Gannet D to Gannet A

 

DSV Deep Explorer – Tie-In Operations (TechnipFMC) Gannet D Project scopes – Infield 15/09/20 – Depart Field on 10/10/20

  • Barriers and isolations at Gannet D and Gannet G
  • Spool deployment and tie-ins at Gannet A
  • Spool deployment and tie-ins at Gannet D
  • Metrology spool deployment and tie-ins at Gannet A and Gannet D
  • System leak test and flange inspection
  • Mattress installation
  • Valve Ops and commissioning support

 

RDV (TBC) – Rock Dump Operations - Gannet D Project scopes – Infield 06/10/20 – Depart Field on 11/10/20

  • Rockdumping over trench transitions at Gannet A and Gannet D
  • Rockdumping over Gannet G crossing
  • Potential remedial rockdump based on as-left pipeline trenching
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Export Cable Installation - Triton Knoll Offshore Wind Farm

Please be advised the vessel Ndurance and associated vessels will be carrying out Cable Installation operations in the Triton Knoll Offshore Wind Farm export cable corridor.

A 1500m clearance zone needs to be maintained around the main vessel. Assisting vessels will be Lingestroom, Dutch Power, Dalby Don.  Operations are expected to commence around 27th May 2020 and take around 72 days.

 

During this period, the cable installation vessel 'Ndurance' and support vessels 'Lingestroom' and 'Dutch Power' will utilise pre-defined areas along the export cable route for temporary storage of anchors as detailed in the following of coordinates.  All wet stored anchors are expected to be visible on the waterline with the support of a buoy arrangement complete with white flashing marker light. Mariners should therefore be advised to avoid entering these areas, and where possible, give the area a wide berth.

 

Mariners are also advised of the presence of a non-energised, exposed subsea power cable end joint, which as been temporarily laid down on the seabed at an approximate water depth of 20 metres LAT and at the following position:

 

Latitude - 53°20.256 N Longitude - 000°37.996 E

 

Guard vessels 'Glomar Arctic' and 'Glomar Advantage' will be employed on the exposed areas of sub-sea cable and requests a 250 metre safety zone. The cable has an outer diameter of approx. 300mm and the area is not marked by any surface markers or buoyage.

 

Near Shore Anderby Creek Wet Stowage 1

Ref:

Latitude:

Longitude:

1

53’ 16.41 N

000’ 20.28 E

2

53’ 16.43 N

000’ 20.55 E

3

53’ 16.28 N

000’ 20.30 E

4

53’ 16.30 N

000’ 20.56 E

 

Offshore Wet Stowage 2

Ref:

Latitude:

Longitude:

1

53’ 18.85 N

000’ 25.90 E

2

53’ 18.80 N

000’ 26.10 E

3

53’ 18.25 N

000’ 25.60 E

4

53’ 18.20 N

000’ 25.80 E

 

Offshore Wet Stowage 3

Ref:

Latitude:

Longitude:

1

53’ 20.56 N

000’ 43.93 E

2

53’ 20.73 N

000’ 43.68 E

3

53’ 21.16 N

000’ 44.48 E

4

53’ 21.00 N

000’ 44.73 E

 

Offshore Wet Stowage 4

Ref:

Latitude:

Longitude:

1

53’ 25.55 N

000’ 50.20 E

2

53’ 25.65 N

000’ 49.91 E

3

53’ 26.23 N

000’ 50.60 E

4

53’ 26.13 N

000’ 50.86 E

 

During operations the Ndurance and associated vessels will be contactable on VHF Ch16. For up to date information, contact the guard vessel 'Sorrento' on marine VHF CH16 and Ch10.

 

Operational vessels and their details are as follows:

 

Vessel Name Vessel Type Call Sign MMSI Number
Ndurance Cable Layer 5BVH3 209851000
Lingestroom Anchor Handler PICW 244016000
Dutch Power Anchor Handler PBTZ 246607000
Dalby Don Support Vessel 2IMX6 235111112

Glomar Arctic

Guard Vessel

HO9083

371278000

Glomar Advance

Guard Vessel

HO5178

370048000

 

For further information: Lee Cornwall, Triton Knoll Offshore Wind Farm, Tel: +44 (0) 7384 807293, email: l.cornwell@tritonknoll.co.uk

Triton Knoll Marine Coordination Centre, Mob Tel: +44 (0) 7384 807528, Tel: 0045 8213 6219, Email: tkmcc@smchse.com

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Export Cable Installation (Beach) - Hornsea Project Two

Ørsted are continuing construction of the Hornsea Project Two Offshore Wind Farm. Preparatory works for export cable installation at the beach landfall and in the nearshore area have commenced.

Cable installation activities will be ongoing an intermittent at the landfall until 30th September 2020 and will re-commence after 1st April 2021.

 

PROPOSED ACTIVITIES:

Landfall Preparation and Cable Installation Please be advised that export cable installation activities will be commencing at the landfall at Horseshoe Point, Lincolnshire from 20th July 2020 through to 30th September 2020. Works will then re-commence on or after 1st April 2021 until 30th September 2021. Works will be continual and intermittent throughout these periods.

 

The works will involve vehicles and construction activities on the beach down to the low water mark and will also include a beached transport barge, nearshore cable laying vessel and other vessels and anchors and other submerged hazards at high water which will be marked, where required. Note that the vessels will have limited manoeuvrability, some vessels will be operating on anchors, and it is requested that all vessels operating or travelling near the vessels maintain a safe distance (at least 500m) and pass all vessels at minimum speed.

 

Vessels:

 

Vessel Activity

Expected Date of

Mobilisation

Port
Dalby Don Support Vessel / Crew Transfer Ongoing Grimsby (UK)
Coastal Challanger - Call Sign:PBOC Anchor handling tug / pre-lay grapnel run / cable remedial work 24/07/2020

Waalhaven (Rotterdam, Netherlands) for anchor handling scope

Grimsby (UK) for pre-lay grapnel run scope
Flintstone Rock Installation Current Scope Complete Stavanger (Norway)
Ndurance - Call Sign: 5BVH3 Export cable Installation 01/08/2020 Halden (Norway)
NKT Victoria Farshore cable installation 01/09/2020 Karlskrona (Norway)
Noordstroom - Call Sign:PIWC Anchor handling tug 01/08/2020 Waalhaven (Rotterdam, Netherlands)
Lingestroom - Call Sign:PICW Anchor handling tug 01/08/2020 TBC – Waalhaven (Rotterdam, Netherlands)
Viking energy - Call Sign:MEPW5 Anchor handling tug 01/08/2020 Waalhaven (Rotterdam, Netherlands)
Maagd - Call Sign:N/A Transport barge 22/07/2020 Waalhaven (Rotterdam, Netherlands) – will be moored at the cable landfall at Horseshoe Point, Lincolnshire
Boka Falcon Cable installation 20/07/2020 Waalhaven (Rotterdam, Netherlands)
Spirit Cable installation 01/06/2021 TBC
Willem Van Oranje Pre-sweeping / dredging 20/07/2020 TBC
Boka Atlantis Mattress installation TBC TBC
Dina Star Mattress Installation / Cable Remedial works 01/08/2020 TBC
Titan Endeavour - Call Sign:2ELT9 Survey Vessel Ongoing Grimsby (UK)
Ivero Survey Vessel Ongoing Hull (UK)
MHO Grimsby Survey Vessel Ongoing  
Voe Vanguard Survey Vessel Current Scope Complete Grimsby (UK)
MTSL Avocet Support Vessel / Crew Transfer 20/07/2020 Grimsby (UK)
Sleipnir Heavy Lift Vessel (substation installation) 15/09/2020 Tyra SE oil and gas to Hornsea Two
Barentsz Transportation of OSS and RCS Jackets and piles 12/08/2020 Batam, Indonesia
AHT TBC Temporary mooring of the Barentsz for lifting operations TBC TBC
Bubble Curtain tug (TBC) Deployment and operation of RCS bubble curtain (if required) TBC TBC
CTV (TBC) Personnel transfer Sleipnir to Barentsz (if required) TBC TBC

 

 

 

 

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Survey - Seismic Infill Survey (Ref: 1128)

A 15 day Seismic Survey Central North Sea.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

CGG Service (UK) Limited

TBC

8000m

15m

22/08/2020 - 31/10/2020

For 15 Days

15,16,21,22

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Infill Well Project - Solan P3

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

Update on the status of the various work scopes planned on behalf of Premier Oil UK Limited on the Solan P3 Infill Well 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 the Solan Platform when the rig arrives on location.

 

 

Drilling Activity

 

The Transocean Leader will be at the Solan P3 location below from as soon as the 28th March to approximately the end July.

 

Subsea Activity

 

•    Diving support vessel 'Seven Atlantic' is scheduled to mobilise 09/08/20 and arrive in the Solan field on 09/08/20 for 16 days to carry out flexible lay operations and umbilical installation and subsequent tie-ins. 

•    'Van Oord Nordnes' rock installation vessel will mobilise 17/08/20 for one week to perform rock dumping activities within Solan Field.

 

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Survey - Portree Outer

Scottish Salmon Company (SSC) will be carrying out a Hydrographic survey in August at Portree Outer. The proposed works are planned to start on 11th August 2020 and will last approximately 110 days using the Vessel MV Lady Mia Call Sign: ZNP05.

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

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Pipelay Activity - Apache II, SUV-1 Survey, Seagull

Apache II–Pipelay–Infield 15/09/20-Depart 20/09/20, SUV-1 Survey, Pipelay Support and Precomm Ops–Infield 01/09/20-Depart 04/10/20, TSV-1 SEAGULL Trenching/Backfill Vessel-Post-Lay Trenching & Backfill Operations-Infield 10/09/20-Depart 24/09/20

Apache II – Pipelay – Infield  15/09/20 - Depart Field on 20/09/20

  • Infield Operations - 10"/14" Pipeline c/w 3.5" piggyback Installation
  • 10"/14" Pipeline c/w 3.5" piggyback Installation
  • DMA Installation
  • Lay 4.77km of 10"/14" from Seagull to Egret

 

SUV-1 Survey, Pipelay Support and Precomm Ops – Infield  01/09/20 -Depart Field on 04/10/20  

  • Apache Pipelay Support - 10"/14" & 3.5" Piggyback
  • As-Laid Survey of 10"/14" & 3.5" Piggyback Pipelay Route
  • As-Trenched Survey of 10"/14" & 3.5" Piggyback Pipelay Route
  • FCG 10"/14"PiP 
  • High Speed Flushing - 3.5" Piggyback 190 GEL Slugging - 10"/14" Pipeline
  • Conduct As-Trenched Survey of 10"/14" & 3.5" Piggyback Pipelay Route
  • Install Mattresses on end of Pipeline
  • Install Mattresses on end of Pipeline
  • Install Markers & Umbilical Crossings

TSV-1 SEAGULL Trenching / Backfill Vessel - Post-Lay Trenching and Backfill Operations- Infield 10/09/20 - Depart Field on 24/09/20

  • Infield Operations 1 - Gannet & Seagull 10"/14" PiP & 3.5" Piggyback Pipeline
  • As-Laid Survey
  • Trench 10"/14" PiP & 3.5" Piggyback Pipeline
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Survey - Blyth Offshore Demonstrator Widn Farm

Post Construction Fish/Shellfish & Trawl Surveys Natural Power will be conducting the following surveys at Blyth Offshore by the vessel Princess Royal Call Sign: 2EYM2. Each survey will take one day to complete from 10th August to 14th August.

Demonstrator wind farm on the proposed dates:

  • Epibenthic beam trawl survey – 10th August 2020
  • Otter trawl survey – 11th August 2020
  • Benthic grab survey- 14th August 2020

The purpose of the survey is to assess the diversity and distribution of the fish population in and around the turbine array.

 

Survey details: Otter Trawl Survey

  • Survey duration will be one day and consist of eight tows in total with duration of thirty minutes each at 3.5 knots. The trawl data will be collected acrosseight sampling stations.

 

Epibenthic Beam Trawl Survey

  • A 2 m steel (‘Jennings’) beam trawl with a 5 mm mesh cod-end will be deployed at the 6 sampling stations. At each sampling station the net will be towed for a distance of 800 m at a speed of 1-1.5 knots (approx.)
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Dropped Anchor

Trawler J. Bergvoll Call Sign: LLAJ had come fast to an anchor in Position: 61°32.500'N 001°33.200'E and was dropped in Position: 61°30.371'N 001°40.812'E . Trawl damaged.

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Secondary Works on installed assets - Moray East

Planning to carry out secondary works on the installed jackets (within figure 1 bounded area/Site 1) using the Windcat 17

Please be aware that by virtuue of its mode of operation the Windcat 17 will be restricted in her Ability to Manoeuvre(RAM) 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 minumum safe distance from the vessel of 500mwhen undertaking work and showing the appropriate shapes and lights in accordance with COLREGs,(Rule18).

 

Further updates and weekly notice of operations can be accesed in the Moray East Website.

 

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Survey - Sofia Offshore Wind Farm

Mariners are advised that Fugro have completed Offshore Site Investigations along the export cable corridor of the Sofia Offshore Wind Farm (SOWF), with only the deployment of metocean equipment expected to be undertaken on or around the 6th August 2020.

Mariners are advised the Curtis Marshall will deploy metocean equipment on or around 6th August 2020, dependent on the prevailing weather conditions and work progress. The equipment will be deployed on the seabed for a period of between 6 to 12 week, with works including interim recovery of the equipment to download data followed by recovery of the equipment at the end of the period.

 

The deployment location will be as follows (WGS_1984_UTM_Zone_31N):

Easting Northing Lat_DD Long_DD Lat_DMS Long_DMS Lat_DDM Long_DDM
241125.96 6058533.70 54.608 -1.009 54 36 27.963N 001 00 32.296W 54 36.466N 001 00.538W

 

The equipment comprises a seabed frame (housing an acoustic wave and current profiler), which is connected to an anchor weight via a combination wire groundline. The method of recovery involved the release of pop-up systems mounted on the seabed frame and anchor weight, therefore there is no surface marker buoy on site. The deployed equipment will not be marked on the surface.

 

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

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Subsea Object Removal / Relocation - Rampion OWF

Activities are to include pre and post works survey (Marshall Art). Subsea objects to be recovered and disposed of within the Rampion OWF using ROV and / or Diving operations (Pacific Worker)

James Fisher Marine Services (JFMS) would like to inform mariners that Object Recovery and Disposal Works are due to commence on 17th July within the Rampion OWF and Export Cable Route (ECR) Areas. These works involve; Removal and Disposal of Subsea Rock Bags, Recovery of Met Buoy Mooring System and Cut, Recovery and Stabilisation of 18m of redundant Export Cable by Remotely Operated Vehicle (ROV) and potential divers.

 

It is requested that all vessels operating within these areas keep their distance, maintain the stipulated exclusion zones (below) and pass at minimum speed to reduce vessel wash.

 

Vessel Operations will be conducted on a 24-hour basis.

 

Pacific Worker - Call Sign LAGI7

 

Please be advised that the vessel Pacific Worker will be carrying out the Removal and Disposal of Subsea Rock Bags (adjacent to OSP), Recovery of Met Buoy Mooring System and Cut, Recovery and Stabilisation of 18m of redundant Export Cable at the Rampion Offshore Wind Farm site.

 

Vessel Exclusion Zones

Vessels are requested to maintain a minimum of 500m stand off during the above works. A 500m exclusion zone is requested.  

 

 

The vessels can be contacted on VHF channel 16 throughout the works for any further information.

 

A Fisheries Liaison Officer will be on board the Pacific Worker throughout its duration

 

Marshall Art - Call Sign 2EMY5

Please be advised that the vessel Marshall Art will be carrying out pre and post works surveys. The vessel will be mobilised with a multibeam echo sounder (MBES) and side scan sonar (SSS), as well as the requisite positioning equipment.

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Conwy Platform Bathymetric and ROV inspections

Acoustic survey, burial depth, bathymetric inspection of whole pipeline system from Conwy to Douglas. Acoustic Survey of critical locations on pipeline routes. ROV Inspection of jacket members. Visual /Acoustic Survey of Platform stand-off locations.

Pipeline Route – Sonar Survey The pipeline route from end-to-end shall be subject to a multi-beam echo sounder survey to allow analysis of the route for debris, damage, pipeline exposures/spanning, and other conditions with the potential to threaten pipeline integrity. Side-scan sonar will also be required. This activity will require entry to the 500m zone of the Conwy and Douglas installations and will include a 50m perimeter around the base of the Conwy jacket.

 

Structural Survey – Visual (ROV) A close visual inspection of all jacket structural members and some andoes shall be performed to detect any damage, distortion, cracks, missing components or other degradation. This includes the seabed location for indications of scour.

 

All works shall be carried out from the Marshall Art - Call Sign: 2EMY5

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CSV Operations - Gryphon T1 Thruster Works

The North Sea Giant (Call Sign: LAYR7) will be carrying IRM operations at the Gryphon FPSO and within the FPSO area, between: 13th to 21st August 2020.

The North Sea Giant (Call Sign: LAYR7) will be carrying IRM operations at the Gryphon FPSO and within the FPSO area, between:  13th to 21st August 2020.

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Survey - Mariner Field

Full 4-D seismic survey of Mariner Field including undershoot of installations with vessels “SW Amundsen” and “SW Cook”

4-D seismic survey and echo-sounder survey over the Mariner, Mariner East and Cadet areas located in UKCS Blocks 8/15, 9/11, 9/12 and 9/16 in the NNS.  The survey area will be 172 km2 and the greater work area will be 3,991 km2.

 

Company Vessels Towed Length, Width & Depth Duration Survey Block(s)
Equinor UK Ltd

SW Amundsen - 5BXE2 

SW Cook - 5BPC2 

Length - 3500m 

Width - 550m

Depth - 20m

30 days 

8/15

9/11

9/12

9/16

 

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Decommissioning Activities at the Pickerill B Installation

Topsides Dismantlement of the Pickerill B Installation

Planned topside dismantlement works are due to commence on the Pickerill B Platform (UKCS 48/11a). Due to unexpected delays, the Energy Endeavour is now due to depart from Sagro Yard, Vlissingen in the Netherlands 5th August 2020 (dependent on weather) and transit to the Pickerill field, where it will commence Topsides dismantlement operations.

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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

 

Valaris Gorilla VI Jack-up drill rig on location at Catcher Varadero Drilling Template 56°48.410'N 000°42.430'E. Scheduled to remain on location until end of August 2020.

 

Subsea 

  • Seven Arctic Construction Support Vessel will mobilise 08/09/20 for 1 week for Catcher North Laverda drilling template installation 56°48.927'N 00° 44.087'E.   
  • Seven Atlantic Diving Support Vessel will mobilise 10/09/20 for 3 weeks to perform pull-ins and tie-ins at Varadero & Catcher North Laverda Templates.

**** Pipelines and umbilical ends remain unprotected at Varadero 56°48.410'N 000°42.430'E and Catcher North Laverda 56°48.927'N 00° 44.087'E. ****

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Rig Movement - Deepsea Atlantic

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

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Triton Knoll OWF - Demarcation Buoy TK07 Light Not Working

Mariners are advised that the north cardinal buoy (Demarcation Buoy TK07) deployed at the Trition Knoll OWF turbine array is currently no longer illuminated during the hours of darkness.

The guard vessel 'Sorrento' will remain in the vicinity of TK07 demarcation marker and carry out regular broadcasts informing all vessels of the unlit demarcation buoy.

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Export Cable Survey and Inspection - Greater Gabbard OWF

Subsea Survey & Inspection activities will commence on 10th August within the Greater Gabbard OWF, Export Cable Route and Interconnector Areas. These works involve geophysical survey and ROV Inspections from the 2 x Offshore Sub stations to the land.

James Fisher Marine Services (JFMS) would like to inform mariners that subsea Survey & Inspection activities are due to commence on 10th August within the Greater Gabbard OWF, Export Cable Route (ECR) and Interconnector Areas. These works involve geophysical survey and ROV Inspections from the 2 x Offshore Sub stations to the land tie in; detailed inspections shall be undertaken at specified KP points listed in the Notice to Mariners. Schedule for planned works as follows: Start Date: 10th August – Survey vessel Pacific Worker.

 

Start Date: 20th August – Survey vessel Fast Fisher Durations: Approximately 2 Weeks which includes mobilisation and demobilisation of project equipment on to support vessels. Projected finish dates approximately 23rd August 2020  

 

Structures:

Point Location
Inner Gabbard OSP (IGSUB) 51°54.846'N 1°56.606'W
Galloper OSP (GASUB) 51°47.189'N 1°57.473'W

 

Cables:

Cable Location Start End
L1 KP 4.037–4.048 52°12.262'N 01°40.033'E 52°12.261'N 01°40.042'E
L1 KP 4.073–4.075 52°12.261'N 01°40.064'E 52°12.261'N 01°40.066'E
L1 KP 4.082–4.093 52°12.261'N 01°40.072'E 52°12.261'N 01°40.082'E
L2 KP 3.867–3.872 52°12.254'N 01°39.933'E 52°12.254'N 01°39.938'E
L2 KP 40.055–4.07 52°12.221'N 01°40.089'E 52°12.218'N 01°40.101'E
L2 KP 4.085–4.114 52°12.215'N 01°40.113'E 52°12.209'N 01°40.137'E
L2 KP 35.381–35.395 51°59.659'N 01°55.870'E 51°59.658'N 01°55.882'E
L2 KP 35.989–36.024 51°59.639'N 01°56.307'E 51°59.627'N 01°56.330'E
L3 KP 3.63–3.667 52°12.220'N 01°39.731'E 52°12.213'N 01°39.762'E
L3 KP 4.053–4.059 52°12.158'N 01°40.088'E 52°12.157'N 01°40.093'E
L3 KP 4.097–4.111 52°12.151'N 01°40.125'E 52°12.149'N 01°40.137'E
L3 KP 4.171–4.179 52°12.140'N 01°40.187'E 52°12.139'N 01°40.194'E
L3 KP 37.931–37.964 51°58.997'N 01°57.222'E 51°58.980'N 01°57.229'E

 

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Survey - Pipeline Inspection EV01 Triton FPSO (Ref: 1127)

A 5 day pipeline and umbilical routes survey from the proposed EV01 well location to a position close to the edge of the 500m zone at the Triton FPSO. Using Vessel Fugro Venturer Call Sign: C6CG3

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Tailwind Mistral Ltd

Fugro Venturer

C6CG3

N/A

10/08/2020 - 31/01/2021

For 5 Days

21

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Survey - Pipeline Inspection Cygnus Field (Ref: 1126)

A 13 day inspection survey will be undertaken along a number of pipelines/umbilicals in the Cygnus field using an ROV. Using Skandi Carla Vessel Call Sign: C6RX4

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Neptune E&P UK Ltd

Skandi Carla

C6RX4

N/A

01/08/2020 - 31/01/2021

For 13 Days

44, 43

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MeyGen Tidal Array Site - Pentland Firth Inner Sound

Subsea are to be conducted at the MeyGen Tidal Array site. Works to be conducted between 11th to 15th August 2020. The vessel the Normand Cutter may be encountered anywhere within the Inner Sound.

Vessels involved in operations will be Restricted in their Ability to Manoeuvre (RAM) and will display the appropriate shapes and lights during the operations. This Navigation Warning expires 20th August 2020.

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Survey - East Anglia HUB Offshore Wind Farm

Scottish Power Renewables (SPR) has contracted Fugro GM Marine Limited (Fugro) to carry out a geophysical and geotechnical site investigation located east of Lowestoft, in the southern North for the proposed East Anglia HUB offshore windfarm site.

The East Anglia HUB offshore windfarm site is split onto three zones: East Anglia ONE North (EA1N); East Anglia TWO (EA2); and East Anglia THREE (EA3). Initially, Fugro will be operating across EA1N and EA2 in parallel.

 

This Notice to Mariners will be updated and reissued periodically as additional vessel are planned to come on site. For operations in 2020, current planning indicates a total of 6 vessels being on site between the period 9th July 2020 and 16th October 2020. It should be noted these dates are subject to change and the total number of vessels could increase.

 

Vessel Call Sign Area Dates
Fugro Frontier C6BH4 EA1N - OWF & ECC 31/07/20
Atlantis Dweller C6DX8 EA1N - OWF & ECC 24/08/20
Fugro Pioneer C6BH3 EA1N - OWF & ECC 09/09/20
Normand Flower LAXN7 EA1N - OWF & ECC 20/08/20
Despina LAKW7 EA1N - OWF & ECC 14/08/20
Despina LAKW7 EA2 - OWF & ECC 30/07/20
Fugro Frontier C6BH4 EA2 - OWF & ECC 11/07/20
Atlantis Dweller C6DX8 EA2 - OWF & ECC 09/07/20
Fugro Pioneer C6BH3 EA2 - OWF & ECC 11/08/20
Normand Flower LAXN7 EA2 - OWF & ECC 22/07/20

 

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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.

 

Pipeline backfilling operations will shortly commence along the pipelay route.

 

On completion of ploughing and backfilling operations a rockdumping campaign will be conducted at the Rough and Cleeton pipeline crossing locations.

 

All vessels are requested to provide the ploughing and backfilling vessel “Far Samson” with a wide berth and not approach within one nautical mile.

 

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

 

The pipelay corridor can now be collapsed from +/- 1000 m to +/- 300m up to the 12 mile territorial limit with immediate effect.

 

The exclusion zone at +/- 1000 m will be maintained from the pipelay route centreline around the Rough and Cleeton crossings to allow the rockdumping vessel Simon Stevin adequate sea room to perform her scope, including survey operations. 

 

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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Leadon Area – Possible Trawl Hazards

Six small structures (approx. 0.5m high x 1.5m long and 0.6m across) were located on the top of the disused Leadon Bundles in UKCS Block 9/14. These small structures are located at the points listed below:

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Survey - Fram Field (Ref: 1114)

A 21 day survey around the Fram Field from around 25th July 2020 until 15th August 2020

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
CGG Services (UK) Limited

Cecilia

OZ2157

N/A

25/07/2020 - 15/08/2020

For 21 Days

29

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Drilling - Noble Sam Hartley Golden Eagle Infill

Noble Sam Hartley HDJU undertaking infill drilling from the Golden Eagle platform.

The Noble Sam Hartley will be positioned by wellhead platform 'W' from August 2020 for up to 1 year. The Noble Sam Hartley has three jack-up legs with spud cans to support and stabilise the rig on the seabed and is held in position by a 4-anchor mooring spread.  Once the rig is in position, the anchors and chains will be removed.

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Survey - Marine Aggregate Area 526

A bathymetric survey of Area 526 on behalf of the Resource Management Association

On behalf of the Resource Management Association, this notice is to advise that geophysical surveying is due to commence shortly on Area 526 in the Bristol Channel. Current date of commencement of operations is 24 August 2020 subject to existence of a suitable weather window. The survey will acquire multibeam data from a hull-mounted system. The work areas are focused around Area 526, with geophysical surveys extending up to 50 m beyond the limits of the licensed boundaries.

 

The geophysical survey will be completed from the vessel Shoreline.

 

The surveys will take approximately 2 to 3 days to complete once operations are underway, subject to weather.

 

Further updates will be provided in this publication as the surveys progress.

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Pipeline Flushing and Riser Decommissioning (Huntington Field)

Premier Oil’s project to flush & disconnect the Huntington field subsea infrastructure and removal of associated risers in relation to the float-off of the Voyager Spirit FPSO will be undertaken between 11th April and 31st December 2020

The flushing, disconnecting and riser cutting scopes are now completed.

 

The (Altera operated) Voyageur Spirit FPSO left the Huntington field on 27th July.

 

The risers will be recovered at a later date.

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Survey - Nearshore Pipeline Inspection (Ref: 1121)

A 21 day Nearshore Pipeline Inspection. The survey will inspect pipelines and power cables from approx 10 m Lowest Astronomical Tide (LAT) contour to landfall at the Bacton, Dimlington, Easington and Theddlethorpe gas terminals.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Perenco UK Limited

TBC

2m

3m

16/08/2020 - 01/10/2020

For 21 Days

52, 47

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Survey - Endurance Field (Ref: 1124)

A 14 day survey around the Endurance Field from around 17th August 2020 until 31st August 2020 Using The MV Ocean Reliance Call Sign: HP6391.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

BP Exploration operating

Company Limited

MV Ocean Reliance

HP6391

1200m

3m

17/08/2020 - 31/10/2020

For 14 Days

42, 43

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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 - 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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Survey - Planned Cable Route English Channel

EGS (International) Ltd will be performing geophysical surveys of a planned cable route across the English Channel, using offshore survey vessel 'Coastal Enterprise' Call Sign: PHCG & nearshore ‘EGS Echo’ Call Sign: MERD8 from the 1st August 2020.

Nearshore Vessel: EGS Echo Call Sign:MERD8

The survey areas are in the shallows at each end of the route and are likely to be conducted over a 30-35 day period. The French section will be surveyed first and is scheduled to start around 1st August, for approximately 10 to 14 days. Following this the vessel will transit to the English side and perform this survey from around 15th August, also for approximately 10 to 14 days. The vessel will be operating on a 12-hour watch basis (daylight hours) and will display appropriate day shapes and lights during survey operations, maintaining a listening watch VHF CH16, with AIS transmission. The homeports will be Dieppe and Brighton Marina.

The survey equipment will include subsea towed systems and the vessel will be surveying at a speed of approximately 3-4 knots. EGS Echo will be steering along defined line plans, up and down blocks along the route, so please exercise caution around the vessel as significant course changes are likely. Echo will also be using high waters to extent the survey up each beach area.

The initial survey corridor is 500m along the route and then this will be repeated, but with a corridor width of 50m (UXO survey).

 

 

Offshore Vessel: Coastal Enterprise' Call Sign: PHCG 

The survey areas are in the shallows at each end of the route and are likely to be conducted over a 30-35 day period. The French section will be surveyed first and is scheduled to start around 1st August, for approximately 10 to 14 days. Following this the vessel will transit to the English side and perform this survey from around 15th August, also for approximately 10 to 14 days. The vessel will be operating on a 12-hour watch basis (daylight hours) and will display appropriate day shapes and lights during survey operations, maintaining a listening watch VHF CH16, with AIS transmission. The homeports will be Dieppe and Brighton Marina.

The survey equipment will include subsea towed systems and the vessel will be surveying at a speed of approximately 3-4 knots. EGS Echo will be steering along defined line plans, up and down blocks along the route, so please exercise caution around the vessel as significant course changes are likely. Echo will also be using high waters to extent the survey up each beach area.

The initial survey corridor is 500m along the route and then this will be repeated, but with a corridor width of 50m (UXO survey).

 

 

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Survey - Shallow Drilling Operations (Ref: 1123)

A 7 day Shallow Drilling Operation Marine Survey from around 21st August 2020 until 30th September 2020 Using The Fugro Synergy Call Sign: C6XR4.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Shell UK Limited

Fugro Synergy

C6XR4

N/A

21/08/2020 - 30/09/2020

For 7 Days

22

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Survey - Shallow Drilling Operations (Ref: 1122)

A 7 day Shallow Drilling Operation Marine Survey from around 21st August 2020 until 30th September 2020 Using The Fugro Synergy Call Sign: C6XR4.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Shell UK Limited

Fugro Synergy

C6XR4

1200m

3m

21/08/2020 - 30/09/2020

For 7 Days

22

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Deployment of Buoy - East of Lunna Ness, Taing of Kelswick

Deployment of a current meter mounted in a frame on the seabed at a depth of 50m, connected via leaded groundline to an anchored surface buoy 75m WSW of the instrument. Deployment Start 22nd July Deployment End November 2020.

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Sheringham and Dudgeon Offshore Wind Farm Extension 2020

An ecological survey will be conducted on the proposed Sheringham Shoal and Dudgeon Extension offshore windfarm, on the North Norfolk coast. The survey will start between the 4 and 10 August 2020 and will continue for approximately 10 days.

An ecological survey will be conducted on the proposed Sheringham Shoal and Dudgeon Extension offshore windfarm and the existing Sheringham Shoal Offshore wind farm export cable route on the North Norfolk coast. The survey will start between the 4 and 10 August 2020 and will continue for approximately 10 days.

 

Survey operations shall be conducted for Equinor. The survey will involve the vessel DSV Curtis Marshall, call sign 2HWN3, conducting an ecological survey using a benthic grab sampler and a drop down video camera.

 

The vessel will be operating on a 24 hour basis. Throughout survey operations, the vessel will be displaying the appropriate lights and shapes as required under the COLREGS Rule 27 and will require other vessels to maintain a wide berth.

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Abandoned Well - 21/18-8

This wellhead has been removed from the seabed. A seabed clearance certificate has been issued.

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Survey - Berwick Bank Wind Farm and Marr Bank Wind Farm

SSE Renewables will be returning to Berwick Bank Wind Farm and Marr Bank Wind Farm (formerly Seagreen 2 & Seagreen 3 respectively) areas to undertake a Geotechnical survey of the area. Conducted by Despina Call Sign:LAKW7 & Omalius Call Sign:ORRS.

The survey work is being undertaken by Fugro and G-tec and will be conducted from the Despina Call Sign:LAKW7 & Omalius Call Sign: ORRS vessels respectively. The scouting/guard vessel will be the Morning Dawn Call Sign: MHEU3.

 

Survey Duration The surveys initially mobilised on the 19th June 2020. The expected completion of the geotechnical surveys will be by end of September 2020, weather permitting, and therefore there may be the  potential for an extension to the work duration.

Survey Tasks The survey is to be split into 2 distinct phases using the offshore survey vessels:

 

  1. Berwick Bank and Marr Bank borehole survey beginning July (approx. 24th July 2020) will be undertaken by the Omalius and will likely take 60 days to complete.
  2. Berwick Bank and Marr Bank CPT survey beginning the 19th June will be undertaken by the Despina and will likely take 20 days to complete (NOTE: This has now completed)

Additionally, the Morning Dawn has been on location from the 17th June 2020.

During the survey campaign, the vessels will be deploying underwater equipment in order to gather cores and also assess the geology in the area. As a consequence of equipment being deployed and the modes of operation, all mariners are advised to keep a safe clearance distance of no less than 500m from the vessels.

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Survey - Dogger Bank

MMT will undertake a geophysical survey in UK Dogger Bank, UK exclusive economic zone (EEZ). The works will be undertaken within the Dogger Bank A and Dogger Bank B project areas, along with the export cable corridor from land out to both these areas.

A detailed survey is being carried out along several corridors within the survey area. Equipment deployed: hull mounted Multibeam sonar and towed equipment up to 300 m behind the vessel consisting of Side scan sonar and multiple Magnetometers within a ROTV frame within 5 m of the seabed. When underwater survey equipment is deployed, the survey vessels may have restricted ability to manoeuvre and other vessels are requested to pass at a safe speed and distance (at least 500 m).

The offshore survey programme commenced on the 23rd June 2020 in Dogger Bank A utilising the vessel Franklin Call Sign: OZ2102. Survey operations in Dogger Bank A and B are expected to be completed on 25th of July. After that, survey will take place along the export routes moving from east to west and end on 12th of August (subject to extension if the weather becomes poor). As a contingency, Franklin might work in Block 03 ahead of time if the weather becomes poor in the bank area but only after carefully scouting for fishing gear first.

The next phase of the offshore survey work is UXO survey in selected areas within the boundaries of the current geophysical survey – further details and timeline for this phase will follow in a revised NTM.

Nearshore works along the export cable corridor (inside of the 15m contour) are expected to commence on 20th July and end on the 26th of August (subject to extension if the weather becomes poor).

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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 Endurance

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

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Drilling - Bittern Drill Centre B

Dana are planning to drill at the Bittern Drill Centre B. The rig will be on location from the 1st August for approximately 103 days. The Stena Spey will undertake the drilling operations.

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Survey - Evelyn EV1 (Ref: 1118)

A 5 day survey survey of Evelyn EV1 using the Fugro Venturer Call Sign:C6CG3.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Petrofac Facilities

Management Limited

Fugro Venturer

C6CG3

2m

3m

10/08/2020 - 31/01/2021

For 5 Days

21

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Survey - Evelyn Development Route (Ref: 1117)

A 5 day survey survey consisting of a pipeline and umbilical routes survey from the proposed EV01 well location to a position close to the edge of the 500m zone at the Triton FPSO using the Fugro Venturer Call Sign:C6CG3.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Petrofac Facilities

Management Limited

Fugro Venturer

C6CG3

 

10/08/2020 - 31/01/2021

For 5 Days

21

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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.

The work will utilise an inshore survey vessel, Athenia 2EUE2 and an Unmanned Service Vehicle (USV) Harry MBIY3, for the operations.

 

The survey work will be concentrated within the cable route corridor. These coordinates are also specified in the Marine Licences held with Marine Scotland.

 

USV Harry survey dates are expected to commence on the 1st August 2020 , and are expected to continue over a planned period of 14 days, weather permitting.

Inshore vessel Athenia survey dates are expected to commence on the 15th August 2020 , and are expected to continue over a planned period of 14 days, weather permitting.

 

Work Description 

The Athenia near shore survey vessel and Harry USV will operate in waters shallower than 30m, between all landfalls

 

During operations both vessels will be restricted in their ability to manoeuvre. The Athenia will be operating a remotely operated vehicle (ROV) and the USV Harry will be operating hull mounted SSS and MBES equipment.

Survey work undertaken will be conducted during daylight hours and the vessels will return to port overnight.

Should any vessel wish to come within 500m of the survey vessels, then direct communication with the Master / operator is required.

The vessels will display the appropriate lights / shapes for their operations.

 

 

Primary Survey Equipment

 

Primary Equipment

Towed / Hull

mounted / Sampling

Approx tow

length (if applicable)

Vessel
ROV & Cable Tracker ROV mounted

N/A

Athenia - 2EUE2

Sidescan Sonar /

Multibeam echosounder

Hull mounted

N/A

Harry - MBIY3

 

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Exposed Subsea Cable - Apollo South

On behalf of Apollo SCS Ltd, fishermen are advised that following a repair to the Apollo South subsea telecoms cable there now exists a section of exposed/unburied cable.

Due to the nature of the seabed in this area the cable may be exposed and could be a hazard to fishing. Fishermen are asked to ensure that they have the route of the Apollo South cable accurately plotted on their fishing charts. Trawler skippers are respectfully asked to exercise caution when trawling in the vicinity of the Apollo South cable and to keep beyond a distance of at least 500 metres from the charted cable route and, where at all possible, to avoid trawling directly over the cable route. Static gear fishermen are advised not to deploy anchors and end weights in close proximity to the cable.

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Survey - Cable Route Celtic Sea

EGS (Asia) Ltd will be performing a geophysical survey of a planned cable route across within the Celtic Sea, using offshore survey vessel ‘RV Ridley Thomas’ Call Sign: V7JK2 from late July until Early September 2020

Please be advised that Survey Vessel Ridley Thomas will be conducting telecommunication cable survey activities for a transatlantic undersea fiber optic communications cable within the Celtic Sea, due west of Cornwall from late July to early September, 2020.

 

We kindly request that ships and fishing vessels keep a distance of at least 1 nm from the hydrographic Survey vessel that will be towing a side scan sonar.   We also kindly request that any set or drift gear, such as longlines, gillnets, and pots/traps be moved off the route by a distance of 1/2 nm on either side at the locations and during these periods noted above above in order to avoid gear entanglement.

 

The work will include towed sonar survey and bottom sampling and will be performed 24/7. The cable route survey operations include the stern deployment of a sonar towfish tethered with steel cable at varying water depths to collect geophysical/bathymetric mapping data for a proposed undersea telecommunications cable. Towfish towing wire layback will be 3x water depth behind the vessel stern. The maximum depth of tow operations will by 1000 metres. The sonar sensor will be towed approximately 20-40 metres from the seafloor. The survey corridor is 1000 metres centered on the survey centerline. Operations in water depths greater than 1000 metres will utilize hull mounted.equipment only.

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Construction of Wind Farm (Neart na Gaoithe)

Neart na Gaoithe Offshore Wind Farm Limited (NnGOWL) will commence construction work for Neart na Gaoithe (NnG) Offshore Wind Farm, from the 9th August 2020, with the start of casing and pile installation operations on the wind farm site.

NnGOWL is developing the NnG Offshore Wind Farm, jointly owned by EDF Renewables and ESB, which is located in the outer Firth of Forth, Scotland. The NnG wind farm area is 15 km east off Fife Ness and 29 km from the East Lothian coastline and covers an area of 105 km2

The wind farm consists of 54 no. wind turbines (WTGs) and 2 no. Offshore Substation Platforms (OSPs), with a total capacity of approximately 45 0MW. Water depths across the offshore wind farm area generally range from 40 to 60 m below LAT. The generated power will be transmitted to the grid via two subsea export cable circuits which will reach landfall at Thorntonloch Beach, East Lothian, Scotland. Specific details and location of activities within the Wind Farm Area and Export Cable Corridor will be provided via subsequent notices as work progresses.

 

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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Area 515/2 Plough Trials

Boskalis Subsea are to trial a new cable laying plough device in Marine Aggregate Area 515/2

Mariners are advised of the activity in Marine Aggregate Area 515/2, where a new plough device will be tested in various locations throughout the Licence Area. In addition, throughout the trial period, bathymetric surveys will be carried out regulary in support of the trial activities. Mariners should keep a safe distance away from all vessels carrying out the works. 

 

The following vessels will be used for the trial works.

Vessel Name

Type

Call Sign

MMSI

IMO

Commence Date

Boka Falcon Anchor Handling Tug

ORTD

205787000 9448401 23/07/2020
Ivero Survey Vessel MCJ03 232013165 8108377 23/07/2020
MTSL Avocet Crew Transfer Vessel 2DXB6 235082698 9609603 23/07/2020

 

The following vessel may be used as back up to the vessel MTSL Avocet.

Vessel Name

Type

Call Sign

MMSI

IMO

Commence Date

Dalby Don 

Crew Transfer Vessel

2IMZ6

235111112

-

 

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Rig : Maersk Highlander

The jack-up rig Maersk Highlander is alongside Culzean WHP – within 500m zone, UKCS Block 22/25a

The jack-up rig Maersk Highlander is alongside Culzean WHP – within 500m zone, UKCS Block 22/25a

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Subsea Tidal Array - Bluemull Sound (Shetland)

Operation is to conduct work on a subsea tidal energy array in the Bluemull Sound, Shetland using vessel MV C-Odyssey Call Sign: 2ETW7 from August until October 2020.

A multicat vessel the Leask Marine MV C-Odyssey (pictured below, call sign 2ETW7) or a similar vessel will conduct offshore and subsea operations. Works will include loading and preparatory work at Cullivoe Pier and Belmont Pier. The work will be conducted over the months of August, September and October 2020. Operations could take place during the day or at night.

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Survey - Evelyn Development

Petrofac will be carrying out a Marine Survey operation on the Evelyn Development Area Block 21/30 around the 10th August 2020 till for approximately 10 days. The operation is however permitted for between the 10th of August till the 31st of Jan 2021.

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Magnox Outfall Pipe Survey - Arish Mel

JFMS shall be carrying out ROV and diving inspections of the outfall pipe and diffusers from the Magnox Arish Mel site. All works will be conducted from the support vessel "Spike"

Scope of Works:

  • Commercial diving inspection of the end of Magnox Winfrith Power Station outfall pipe at GPS Location 050°35’393N, 002°11’898W. This will be carried out at some point between 31st July to 31st August 2020 depending on weather/sea state.
  • Commercial ROV inspection of complete length of outfall pipeline, 3.5km length. This will be carried out at some point 31st July to 31st August 2020 depending on weather/sea state. This will require fishing nets to be removed from across the pipeline.
  • Commercial diving to carry out maintenance repairs to the shoreline apron protection. To extend to 20m from shoreline.
  • If significant free spans are detected along the pipeline during the ROV survey, additional offshore diving from the Spike Vessel may be required to install concrete bags to support the pipes.
  • Inspection of marker buoy at the end of the Magnox Winfrith research site outfall pipe at GPS Location 050°35’393N, 002°11’898W.

Supporting Information:

 

  • The diving inspections of the offshore pipeline will be carried out using surface supplied commercial diving equipment with umbilical to the diver. Only one diver will be in the water unless an emergency occurs in which case the standby diver will also be deployed to assist main diver. Diving will be carried out from the vessel SPIKE operated by Divers Down Swanage.
  • For the ROV inspection the vessel SPIKE will be live boating whilst the ROV is moving through the water. The ROV is connected to control systems on the vessel by an umbilical. The ROV may travel up to 150m from the vessel. The ROV will be operated during periods of slack water in daylight hours. Lobster pot lines and fishing nets have been reported across the pipeline during previous surveys, these should be removed prior to these works to prevent conflict with divers and ROV.
  • In all cases The Spike radio broadcasts on channel 77 and channel 10, with standby channel 16..

A Notice to Mariners has been issued for these works

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Submarine Cable - Pentland Firth East

Global Offshore and their subcontractors (on behalf of SHEPD) will be undertaking marine construction activities across the Pentland Firth for a new submarine electricity cable. Construction commenced on 13th July and complete on the 1st of September.

Removal of fishing gear +/- 250 m from the provided Route Co-Ordinates is requested during the Marine Construction works in order to prevent damage to any fishing gear and to the construction equipment being used.

 

The Marine Construction activities are due to commence on the 13th of July and complete on the 1st of September 2020.

 

Dates Operations Vessel(s) Call Sign
13 July - 15 July Pre Lay Survey Normand Clipper LAXJ7
15 July - 17 July Cable Crossing Construction Normand Clipper LAXJ7
17 July - 15 August Cable Installation Operations

Normand Clipper

MV Uskmoor

Delta 9151

Celtic Guardian

Celtic Trader

Speedbird One

Fusion 490

LAXJ7

MDEF2

MCVE3

-

-

2HWN7

-

21 July - 01 Sept Rock Bag Installation Skandi Carla (TBC) C6RX4
21 July - 01 Sept Cable Burial Operations Global Symphony C6YY3
21 July - 01 Sept Split Pipe Installation MV Uskmoor MDEF2

 

Ultra Short Baseline (USBL) positioning will be used for the duration of the works across the Pentland Firth. Multi-Beam Echo Sounder (MBES), Pipetracker (TSS), Side Scan Sonar (SSS) technology will also be in use during the construction works.

 

 

Construction Works Description The construction activities will result in a new submarine cable linking the Scottish mainland to the island of Hoy. The stages of the construction are listed below:

  • Pre-Lay Survey Works
  • Crossing Construction
  • Cable Installation
  • Rock Bag Installation for Stabilisation
  • Cable Burial for Protection and Stabilisation
  • Split Pipe Installation for Protection and Stabilisation

Construction Vessel lights and shapes will be displayed at all times. Other vessels should maintain an appropriate and safe distance of 500 m when passing the construction vessels whilst undertaking operations and should pass at the lowest possible speed to avoid vessel wash effects. The vessel will be working 24 hour operations. The vessel(s) will also monitor VHF Channels 16 and 12.

Equipment calibration operations may take place out with the defined corridor and these areas will be chosen so as not to interfere with fishing/shipping activity.

 

 

 

 

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Lidar Deployment - East Anglia Two Wind Farm

SeaWatch LiDAR Buoy (SWLB) has now been deployed at the East Anglia TWO wind farm site. The SWLB is a sea state measurement instrument. The deployment location is within the UK Sector of the North Sea off the coast of East Suffolk and Essex.

The equipment is deployed within the East Anglia TWO wind farm array limits and will be deployed for approximately twelve months from July 2020.

The equipment was deployed by the vessel Severn Supporter on 11 July 2020. Scheduled maintenance is planned in the autumn/winter of 2020, from October onwards. Unforeseen maintenance may also be required.

The mooring design is specific to each SWLB deployment and location. The equipment is moored through a combination of steel chains, rope and rubber cord to approximately 2250 kg anchor weight at the seabed.

 

The equipment is an integrated Seawatch Wavescan buoy and ZX 300M LiDAR; the purpose of the equipment is to collect oceanographic and meteorological data using a single platform. The equipment is supplied and charged by an onboard power system which uses methanol fuel cells and solar panels to recharge onboard lead acid batteries.

 

In order to minimise the risk to other sea users, the measures listed below will be adopted for this deployment: The equipment will be equipped with a F1 (5) Y 20s light with 4-5 nautical mile range; the light will be mounted at the top of one of the masts, approximately 4 m above sea level.

 

Additional risk reduction measures include the use of passive radar reflectors to make the buoy more visible on vessel radars, Automatic Information Systems (AIS) to broadcast the buoy position to marine AIS platforms, Global Positioning Systems (GPS) position monitoring of the buoy at 30-minute intervals and an independent GPS tracker used for backup position monitoring of the equipment in the event of primary GPS failure.

The equipment will be moored using a single point mooring. The mooring design will allow for free movement of the buoy over a radius that is approximately equal to the water depth. The anchor weight used to moor the equipment will be approximately 2000 kg weight in water and comprised of large diameter scrap chain.

It should be noted that some elements of the mooring will float just below the sea surface. To avoid the risk of entanglement, vessels should allow a minimum 200 m clearance from the surface buoy

 

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Rig Movement - Seafox 2

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

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Rig Movement - West Hercules

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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Change of Active Dredge Zone - Licence 242-361

The coordinates for the ADZ (Active Dredge Zone) within HAML (Hanson Aggregates Marine Ltd) Licence Area 242-361 have been changed.

 

On behalf of Hanson Aggregates Marine Ltd this notice is to advise that the Active Dredge Zone within the marine aggregate extraction Area 242-361 (Anglian Region) has been adjusted.

 

The adjustment will come into effect on 10th August 2020 and will remain in effect until further notice.

 

Under condition 5.2.27 of the Marine Licence, we are required to adhere to the practices set out in the 'Fisheries Code of Practice' in licence schedule 7; to ensure that other users of the sea are informed of the up-to-date locations of aggregate dredging activity.

 

Under condition 5.2.28 of the Marine Licence, we are required to give the MMO, TCE & fisheries one month’s notice of the intention to move Zones

 

As required by the Fisheries Code of Practice, Masters of vessels will call up on VHF Channel 16 when approaching the dredging area at a range of 10 nm (approximately 1 hour before operations are to commence) and will provide an estimated time of arrival on the area and position of operation.

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Change of Licence Area & Active Dredge Zone - Licence 401-2

The coordinates for the HAML (Hanson Aggregates Marine Ltd) Licence Area 401-2 have been changed, to reflect a smaller overall Area. As a result, the ADZ (Active Dredge Zone) co-ordinates have also changed.

 

On behalf of Hanson Aggregates Marine Ltd this notice is to advise that the Licence Area & Active Dredge Zone within the marine aggregate extraction Area 401-2 (Anglian Region) has been adjusted. The Licence Area has been reduced and the ADZ is now the same as the Licence Area: the coordinate points are valid for both.

 

The adjustment will come into effect on 10th August 2020 and will remain in effect until further notice.

 

Under condition 5.2.28 of the Marine Licence, we are required to give the MMO, TCE & fisheries one month’s notice of the intention to move Zones

 

As required by the Fisheries Code of Practice, Masters of vessels will call up on VHF Channel 16 when approaching the dredging area at a range of 10 nm (approximately 1 hour before operations are to commence) and will provide an estimated time of arrival on the area and position of operation.

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Survey - Pipeline between Douglas and Conwy Platform (Ref: 1112)

A 5 day full route pipeline topographical survey between Douglas platform and Conwy platform and an acoustic scour survey around the Conwy platform. Survey operations will be performed from the Marshall Art survey vessel Call Sign: 2EMY5

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
James Fisher Marine Services Ltd

Marshall Art

2EMY5

 

13/07/2020 - 31/08/2020

For 5 Days

110/12,13

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Survey - Pipeline inspection off St Fergus. (Ref: 1111)

A 8 day nearshore acoustic pipeline inspection off St Fergus.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Fugro GB Marine Ltd

Fugro Seeker

2HC52

 

07/08/2020 - 30/09/2020

For 8 Days

19

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Pipeline Spans - CATS

Pipeline Spans PL774 Height: 1.00m, 36.10 Length, PL774 Height: 1.30m, 42.90m Length.

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Pile Installation - Penguins Field

A number of items will be left installed/wet stored on the seabed around the Penguins Field. Pile Fast Frame (together with pile stick-up) 8 x piles (completed with multiple clay protrusions/blocks) 9 x chains (210m long, 177mm diameter).

Details of Seabed - West Cluster

Pile No Location Clay plugs at pile location
1 61°35.020'N    01°31.070'E  1.30m height x 2.5 dia.
2 61°34.990'N    01°31.070'E 2.00m height x 2.5 dia.
3 61°35.020'N    01°31.060'E 1.50m height x 2.5 dia.
4 61°35.050'N    01°31.070'E 1.50m height x 2.5 dia.

Note: 210m of 177mm dia. chain has been laid on seabed at each location towards the FPSO centre.

 

Details of Seabed - North East Cluster

Pile No Location Clay plugs at pile location
5 61°35.550'N    01°33.430'E 1.30m height x 2.5 dia.
6 61°35.540'N    01°33.470'E 2.00m height x 2.5 dia.
7 61°35.520'N    01°33.510'E 1.50m height x 2.5 dia.
8 61°35.510'N    01°33.550'E 1.50m height x 2.5 dia.

Note: 210m of 177mm dia. chain has been laid on seabed at each location towards the FPSO centre.

 

Details of Seabed - Southern Cluster

Pile No Location Comments
9 61°34.450'N    01°33.500'E

Fast frame is currently located at pile location 9 (11.85m x 11.70m x 30m

Note: 30m pile is installed in this fast frame

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Survey - Rampion 2 Offshore Wind Farm Development

Survey vessels, MV Titan Discovery Call Sign: 2HCR3 & MV Vigilant Call Sign: MCJN5C, will be conducting early stage geophysical survey within an area of search identified for a potential Rampion 2 OWF development, off the coast of Sussex.

Scope of Work: MV Titan Discovery Call Sign: 2HCR3

Mariners are advised that the survey vessel, MV Titan Discovery, will be conducting early stage nearshore geophysical surveys within the Export Cable corridor of search identified for a potential Rampion 2 OWF development, off the coast of Sussex.

The MV Titan Discovery is tasked with collecting data from the shore to the hand over location with the offshore vessel (MV Vigilant). The MV Titan Discovery will be displaying the relevant IRPCS day shapes and night lights for vessels restricted in their ability to manoeuvre.

MV Titan Discovery will be operating vessel mounted and towed survey gear (Up to 100m behind the vessel) and a safe operating distance is always requested around the vessel.

 

Scope of Work: MV Vigilant Call Sign: MCJN5C

Mariners are advised that the survey vessel, MV Vigilant, will be conducting early stage geophysical survey within an area of search identified for a potential Rampion 2 OWF development, off the coast of Sussex.

MV Vigilant is tasked with collecting data in the main site Area A and Area B adjacent to the existing Rampion Offshore Wind Farm and also in the Export Cable corridor of search (in water depths greater than 15m)

In addition to MV Vigilant, MV Titan Discovery will be working on the inshore area of the Export Cable corridor of search, and MV Ivero will be working in the main site in August. MV Vigilant will be displaying the relevant IRPCS day shapes and night lights for vessels restricted in their ability to manoeuvre. MV Vigilant will be operating vessel mounted and towed survey gear (Up to 300m behind the vessel) and a safe operating distance is always requested around the vessel.

 

 

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Survey - (Ref: 1109)

A 1 day single location survey at FID Fibre VSP

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Total E&P North Sea UK Limiited TBC

5m

01/08/2020 - 31/12/2020

For 1 Day

29

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Survey - (Ref: 1108)

A 7.5 day Survey around the Culzean Wells

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Total E&P North Sea UK Limiited TBC

N/A

01/08/2020 - 31/10/2020

For 7.5 Days

22

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Abandoned Well - Murchison well 211/19-2

Abandonment of subsea well 211/19-2, removal of wellhead protection structure and associated pipeline.

Commencing approx 20th July, for a period of up to 4 weeks, vessel MSS Inventor (Callsign MCJD5) will be carrying out subsea decommissioning activities including:

  • Well 211/19-2 final abandonment.
  • Removal of wellhead protection structure and associated equipment - this includes the use of explosive cutting methods below seabed.
  • 600 metres of pipeline bundle cutting & removal, on a route northwards between the wellhead location and the decommissioned Murchison platform location.

Associated seabed debris removal in the surrounding area.

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Subsea power cable - laying and trenching operations

Please be advised that Moray Offshore Windfarm (East) Limited (Moray East) are planning to commence (x3 export routes – wind farm to landfall) cable laying and trenching operations (two separate vessels) circa 27th July 2020

Vessel “NKT Victoria” will be laying the subsea power cables; three export cables between the Moray East offshore wind farm site and the cable landfall (via three separate drilled HDD ducts near Boyndie Bay). Vessel “Havila Phoenix” will be undertaking operations to bury these three subsea power cables below the seabed, via means of remotely operated trenching vehicles. Cable laying is expected to be completed by circa 3rd October 2020. Cable trenching is expected to be ongoing until early November but will be followed by a separate campaign to install remedial protection over the cables on any remaining unburied/unprotected sections. Details on remedial campaign(s) will be provided nearer the time of execution. The above dates include some weather contingency, however the operations may be subject to further extension.

 

Please be aware that by virtue of its mode of operation the NKT Victoria and Havila Phoenix will be Restricted in their Ability to Manoeuvre (RAM) 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 the vessel of 500 metres when it is undertaking work and showing the appropriate shapes and lights in accordance with COLREGs Rule 18. Further updates and Weekly notice of operations can be accessed in the Moray East Website

 

https://www.morayeast.com/current-works/offshore-works

 

Note: Cable Trenching and Lay Activities Exclusion Zone area coordinates are being reviewed

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Diving Campaign near Boyndie Bay

As part of the three export power cable installations for Moray East Offshore Wind Farm, Moray East and their contractor NKT intend to undertake diving works near Boyndie Bay

The above mentioned works includes the preparation works on the HDD duct (offshore) exit, cable installation support works, and post-cable installation grouting and finishing works for the project. Work on the duct and surrounding area will be undertaken by divers connected to diving support vessel “MV C-Fenna” operated by Leask Marine. During diving operations this vessel will be positioned via a four-point anchor mooring spread. Also active during this time will be a crew transfer vessel assisting operations, and transferring personnel will be the MV “C-Spartan”, also operated by Leask Marine. For diving vessel moorings, for the avoidance of any fishing gear or buoyed items posing risk of wire entanglement based on anchor positions, these are marked on the drawing below. Moray East intends to commence diving preparation works on the 6 th of July 2020, for the duct preparation works, and continue diving works on all three cables for installation support, and postinstallation grouting and finishing works. This diving campaign is expected to reach completion circa 18th October 2020. The above dates include some estimated/expected weather delays, however, this activity may be subject to further extension of works.

 

Please be aware that by virtue of its mode of operation the C-Fenna and C-Spartan will be Restricted in their Ability to Manoeuvre (RAM) 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 the vessel of 500 metres when it is undertaking work and showing the appropriate shapes and lights in accordance with COLREGs Rule 18. Further updates and Weekly notice of operations can be accessed in the Moray East Website

 

https://www.morayeast.com/current-works/offshore-works

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Decommissioning - Viking & Vulcan

Platform removal operations are planned to resume in mid-April 2020 and shall be conducted by two Heavy Lift vessels; Bokalift 1 – Mobilising mid - April for a ~70 day campaign. Gulliver – Mobilising mid - June for a ~100 day campaign.

Southern North Sea Gas Operations operated by Chrysaor Production U.K. Ltd have come to the end of their producing life and are in the process of being removed as part of a decommissioning project.

 

In total 9 satellite platforms where removed in the Viking & Vulcan field as part of the 2019 platform removal campaign. Platform removal operations are planned to resume in mid-April 2020 and shall be conducted by two Heavy Lift vessels;

 

  • Bokalift 1 – Mobilising mid - April for a ~70 day campaign. (Scope Now Complete)
  • Gulliver – Mobilising mid - June for a ~100 day campaign. (Scope Ongoing)
Location Operations Position Removal Schedule
Viking Complex Platform Removal 53°26.800’N 002°19.900’E Bokalift 1 HLV scope completed – 500m/z remains in force until seabed clearance scopes completed
Caister CM Platform Removal 54°12.100’N 002°27.000’E Bokalift 1 HLV scope completed – 500m/z remains in force until seabed clearance scopes completed
Ganymede ZD Platform Removal 53°19.500’N 002°14.200’E Bokalift 1 HLV scope completed – 500m/z remains in force until seabed clearance scopes completed
Viking CD Subsea Operations 53°25.400’N 002°22.600’E Bokalift 1 HLV scope completed – 500m/z remains in force until seabed clearance scopes completed
Viking ED Subsea Operations 53°26.000’N 002°09.200’E Bokalift 1 HLV scope completed – 500m/z remains in force until seabed clearance scopes completed
Viking HD Subsea Operations 53°29.800’N 002°19.400’E Bokalift 1 HLV scope completed – 500m/z remains in force until seabed clearance scopes completed
Viking AR Platform Removal 53°32.000'N 002°15.400’E Gulliver Topsides Removed, Jacket remains in situ
Europa EZ Platform Removal 53°14.800’N 002°17.800’E Gulliver June - End Oct 2020
Vampire OD Platform Removal 53°27.800’N 002°02.400’E Gulliver Topsides Removed, Jacket remains in situ
Viscount VO Platform Removal 53°23.200’N 002°08.900’E Gulliver June - End Oct 2020
Viking Complex Platform Removal 53°26.800’N 002°19.900’E Gulliver June - End Oct 2020

 

All locations detailed above have an established 500 meter safety exclusion zone, where the platform remains in situ nav aids are installed exhibiting the characteristics detailed below. It should be noted that Viking CD, ED & HD where removed from location in 2019, the 500meter safety exclusion zone remains.

  • All round white flashing light, Morse (U); flashing every 15s; with a 10nm nominal range and visible from 360 degrees in the horizontal plane
  • Virtual AIS marking transmitting on Navigational Warning Message Channel 21

All vessels are requested to maintain a wide berth from vessels engaged in platform removal and subsea operations when operating in the vicinity of the above locations detailed herewith and during the transportation phase into Great Yarmouth Outer Harbour.

 

The established 500 meter safety exclusion zone at the location of each platform to be removed shall remain enforceable until such time as notified otherwise (note the presence of the exclusion zones shall extend beyond the physical removal of the platform).

 

Following platform removal, Trawl snag hazards may remain at each of the locations until such time as a subsequent seabed clean up and debris removal campaign has been completed.

 

All mariners are advised to avoid the above mentioned locations and remain clear of the statutory 500m safety exclusion zone.

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Floating LiDAR System - Seagreen Wind Energy

Seagreen Wind Energy Limited has replaced the Floating LiDAR System (FLS) at the location shown

The replacement FLS was deployed on the boundary of the Seagreen Alpha and Seagreen Bravo offshore wind farms in the Firth of Forth Offshore Wind Round 3 Zone off the east coast of Scotland. The replacement FLS is approximately 600m to the south-west of the previous location.

 

The FLS buoy will remain deployed for up to 1 additional year from this date. Service visits will occur at approximately 3-month intervals over this period.

 

The FLS is buoy mounted and is moored using 150 m long DIN 5683-II mooring chain Ø26 x 234 mm and 3 tonne concrete anchor. The buoy is powered by solar panels and micro wind turbine generators. The buoy is yellow (RAL 1023) in colour and will be clearly marked with two navigation lights (flashing amber, 5 flashes every 20 seconds, nominal range 3-6 nm visibility). The buoy is fitted with a Radar reflector. A service vessel will be on station for approximately four hours during service and recovery visits. Other vessels should maintain a safe distance when passing the vessel and should pass at lowest possible speed to avoid vessel wash effects.

 

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Decommissioning - Banff Field

The vessel Apollo Spirit is presently part of the ongoing decommissioning of the Banff Field and has offloaded the last crude oil from the field.

Processing of slop water from Banff is the presently ongoing activity and it is expected that she will be cleaned, gas free, disconnected from moorings and ready for tow-off to recycling yard some time between August 15th and September 15th this year.

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FPSO Petrojarl Banff Off-station - Mooring Disconnect, Tow, Subsea Well Isolation and Disconnection.

FPSO Petrojarl Banff Off-Station – Mooring Disconnect, Tow, Subsea Well Isolation and Disconnection.

Three vessels are expected to mobilize to the Banff Field in August to commence and disconnect and tow the FPSO Petrojarl Banff from the Field to temporary mooring at Scapa Flow. The disconnection work is expected to take about 5 days,

 

Prior to the  disconnection or the FPSO from the  Banff Field, the Technip operated DSV Deep Discoverer would have completed the subsea well isolation and disconnection of the Banff and Kyle trees. The work commenced the 13th June and is expected to last for 35 days.

 

Prior to 31st October the mooring system, dynamic  risers and umbilical will be recovered.

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Drilling - Douglas 110/13D

The Irish Sea Pioneer will be drilling at the Douglas 110/13D Location from 3rd July 2020 for 60 days.

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

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Clump Weight - Triton Knoll Offshore Windfarm

A 500kg clump weight made from scrapped anchor chains has been dropped

Dimensions of object:

  • Various lengths of anchor chain (max 1.3mtr)
  • Held together by steel sling and shackles
  • Total mass ±500kg
  • Connected is a white polyprop line - ± 25-30mtr in length with sinker at end.
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Nearshore Duct Preparation Scope - Triton Knoll Offshore Wind Farm

Boskalis and Triton Knoll would like to inform mariners that the Triton Knoll Offshore Wind Farm – Nearshore Duct Preparations in the Triton Knoll Offshore Windfarm Project Area.

The Voe Vanguard will be carrying out Nearshore Duct Preparations Works at the Triton Knoll OWF development for approximately

2 weeks, with works due to commence on or around the 14th May 2020.  The Support Vessel 'CRC Voyager' will commute to and from the works area, from Grimsby.

 

During operations, the Voe Vanguard can be contacted on VHF channel 16 throughout.

 

A 500 metre clearance should be maintained around the following works vessels.

 

Main Vessel: Voe Vanguard - MBEN9

Support Vessel: CRC Voyager -  MBZZ7

 

For further project information, please contact Lee Cornwell (Triton Knoll Offshore Wind Farm); Tel: +44 (0) 7384 807293; Email: l.cornwell@tritonknoll.co.uk

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Survey - JFMS ENI Liverpool Bay

Acoustic survey, burial depth, bathymetric inspection of whole pipeline system. Acoustic Survey of critical locations on pipeline routes ROV /Acoustic Inspection of Wellheads. Visual /Acoustic Survey of Platform stand-off locations.

James Fisher Marine Services are to undertake the following during the of summer 2020:

  • Acoustic survey of all Liverpool Bay Asset pipeline assets;
  • Acoustic survey of Liverpool Bay Asset platform approach zones;
  • Visual survey of Liverpool Bay Asset wellheads;

Survey operations will be delivered in two phases:

  • Offshore survey operations in to the 10 m (LAT) contour on PL1030 will be conducted from the Marshall Act (call sign 2EMY5), operating on a 24 h basis;
  • Inshore survey operations from the 10 m (LAT) contour to highest astronomical tide (HAT) point will be conducted from the Fast Fisher (call sign 2GGN4), operating on a 12 h basis.

Both vessels will be mobilised with a multibeam echo sounder (MBES) and side scan sonar (SSS), as well as the requisite positioning equipment.

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Surveys - Norfolk Vanguard & Norfolk Boreas Windfarms

MMT have been contracted by Vattenfall Windpower Ltd to perform survey for the planned transmission assets linking the Norfolk Vanguard (NV) and Norfolk Boreas (NB) windfarm areas to shore.

Project Description and Survey tasks

During this survey the vessel will be deploying underwater survey equipment. During such times the survey vessels may have restricted ability to manoeuvre and other vessels are requested to pass at a safe speed and distance (at least 500 m). The vessels will monitor VHF Channel 16 at all times.

 

Geophysical survey with towed equipment will be performed along export cables and at Offshore Sub Stations (OSS). Equipment to be used: singlebeam echosounder (SBES), multibeam echosounder (MBES), side scan sonar (SSS), magnetometer (MAG) and sub bottom profiler (SBP). The scope will also include an environmental survey to map the presence of Sabellaria in the Haisborough, Hammond and Winterton (HHW) Special Area of Conservation (SAC). This shall also entail geophysical surveys using singlebeam echosounder (SBES), multibeam echosounder (MBES), side scan sonar (SSS) within the HHW SAC area, additionally targeted sediment sampling and/or environmental mapping using a Drop Down Video system at yet to be determined positions will be completed.

 

Timeline

Survey works will commence on the 2nd June and is scheduled to end at the 14th August (subject to change, ultimately dependent on the weather situation). Survey works will initially be carried out in blocks 1 and 2 and then move to blocks 3 and 4 on the 6th of June and then continue from west to east for the remainder of the period. Nearshore survey is scheduled to commence on the 28th of June and end in the end of June.

 

Fisheries Liaison

A shore based Fisheries Liaison Officer (FLO) will be available during the course of the project – details below.

With regards to nearshore activity (inside B04), there will be an offshore Fisheries Liasion Officer on the SeaPal who can be contacted via the vessel detail below.

 

Vessels

Offshore survey work will be carried out using survey vessel M/V Relume. Nearshore survey work will be carried out using Deep Locus and Deep Jenny.

Vessel: Relume

Call Sign: C6TR4

IMO: 9280720.

GSM: +44 2037691766

Email: om-relume@mmt.se; relume_master@relume-mmsl.com

 

Vessel: Deep Locus

Call Sign: 2BMQ7

MMSI: 235067494

GSM: +31(0) 6-41921124

Email: BMO@deepbv.nl

 

Vessel: Deep Jenny

Call sign: PC2769

MMSI: 244860387

GSM: +31 206343676

Email: BMO@deepbv.nl

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Moray West Floating LiDAR Buoy

Operational Floating LiDAR Buoy (and mooring system)

Equipment

Location

Floating LiDAR Buoy (including Clump Weight and Mooring Chain)

58°5.381'N  3°0.877'W

 

For further information contact: Guillermo Tornero De Diego (Technical Operations), guillermo.tornero@edpr.com, +44 (0) 7741 625376.  Tony Blackshaw (QHSSE), Tony.Blackshaw@moraywest.com, +44 (0) 7443 638253.  Sarah Edwards (Development & Commercial Fisheries), sarah.edwards@edpr.com, +44 (0) 7741 140150.

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Decommissioning - Ninian Platform

Installation of two cardinal buoys in proximity to Ninian North Platform, prior to decommissioning & topsides / jacket removal by Pioneer Spirit.

West cardinal buoy (Fl. Q. (9). 15s), including ground tackle, with 400m excursion radius. Buoy fitted with AIS.

East cardinal buoy (Fl. Q. (3). 10s), including ground tackle, with 400m excursion radius. Buoy fitted with AIS.

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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 - 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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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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Jacket Installation - Moray Offshore Wind Farm

Moray Offshore Windfarm (East) Limited (Moray East) are planning to commence Jacket installation (subject to receipt of required regulatory approvals) on all of the pre piled areas using the vessel 'Seajacks Scylla' circa 27/06/2020 until further notice.

Please be advised that Moray Offshore Windfarm (East) Limited (Moray East) are planning to commence Jacket installation (subject to receipt of required regulatory approvals) on all of the pre piled areas (shown in figure 1) using Seajacks Scylla circa 27/06/2020 until further notice. Once the Jackets have been installed the vessel 'Boa Sub C' will be utilised for grouting operations on the newly installed jackets as well as the continuation of the soil plug removal.

 

Please be aware that by virtue of its mode of operation the Seajacks Scylla and Boa Sub C will be Restricted in their Ability to Manoeuvre (RAM) 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 the vessel of 500 metres when it is undertaking work and showing the appropriate shapes and lights in accordance with COLREGs Rule 18. Further updates and Weekly notice of operations can be accessed in the Moray East Website

 

http://www.morayoffshore.com/moray-east/the-project/notices-to-mariners/

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Survey - Awel y Mor Offshore Wind Farm

Awel y Môr Offshore Farm Limited (AyM) has contracted Fugro GB Marine Limited (Fugro) to carry out a geophysical and environmental site investigation in the Irish Sea for the proposed Awel y Môr Offshore Wind Farm (AyMOWF) site.

The Awel y Môr Offshore Wind Farm site is located in the Irish Sea located to the west of the existing Gwynt y Môr Wind Farm, off the north coast of Wales in water depths between 20 m and 40 m Lowest Astronomical Tide

 

Offshore Geophysical Investigation – Array Area The geophysical operations at the AyM site are expected to be carried out from the Fugro Mercator from 15th June 2020 for approximately 5-6 weeks. Also please note that the exact start and finish date will be dependent on the prevailing weather conditions and work progress.

As the Fugro Mercator will be towing survey equipment the vessel will require large turning circles and will be restricted in her ability to manoeuvre. All vessels operating within this area are requested to keep their distance, maintaining at least the 1,000m safety zone around the survey vessel, and pass at minimum speed to reduce vessel wash. Survey operations will be conducted on a 24-hour basis.  

 

Offshore Geophysical Investigation – Export Cable Route The geophysical operations on the AyM export cable route from the 10m LAT contour offshore, are expected to be carried out from the Fugro Mercator from approximately 20th July 2020 for approximately 3-4 weeks. Please note that the exact start and finish date will be dependent on the prevailing weather conditions and work progress.  

As the Fugro Mercator will be towing survey equipment the vessel will require large turning circles and will be restricted in her ability to manoeuvre. All vessels operating within this area are requested to keep their distance, maintaining at least the 1,000m safety zone around the survey vessel, and pass at minimum speed to reduce vessel wash. Survey operations will be conducted on a 24-hour basis.  

 

Nearshore Geophysical Investigation – Export Cable Route The geophysical operations on the AyM export cable route from the 10m LAT contour inshore to the potential landfall, are expected to be carried out from the survey vessel Valkyrie from 10th July 2020 for approximately 10 weeks. Please note that the exact start and finish date will be dependent on the prevailing weather conditions and work progress.

As the Valkyrie will be towing survey equipment the vessel will require large turning circles and will be restricted in her ability to manoeuvre. All vessels operating within this area are requested to keep their distance, maintaining at least the 500m safety zone around the survey vessel, and pass at minimum speed to reduce vessel wash. Survey operations will be conducted on a 12-hour basis  

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Deployment of Buoys - Hornsea Project Two

Ørsted have deployed a 'measurement buoy', as well as two 'transponder buckets' as part of construction of the Hornsea Project Two Offshore Wind Farm.

The devices have been placed within the Order Limits of the Hornsea Project Two offshore wind farm.

 

Note that these devices will remain on location throughout construction of the Hornsea Project Two Offshore Wind Farm and mariners should take note of their presence.

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Survey - Ref:1104

A 10 day Survey, expected to start 26 July 2020, with the vessel "Ocean Vantage" (HP6188)

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

IOG North Sea Ltd

Ocean Vantage

HP6188

N/A

26/07/2020 - 31/10/2020

For 10 Days

48

 

Survey at the Elgood field, approximately 43km north-eastfrom the Bacton Gas Terminal, acquire in-situ seabedmaterial properties and recover seabed cores and samples to determine soil characteristics and properties in advance of seabed loading by a jack-up drilling rig spud-cans.

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Fishing Hazard

Details of fishing hazard

A fishing vessel had to release a large clump of concrete back to the sea bed after having become snagged. The concrete clump could pose further risk to fishermen. The lump had broken into two parts.

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Coastal Protection Project - Withernsea

Bam Nuttall Ltd have been contracted by the East Riding of Yorkshire Council (ERYC) to provide and install rock coastal protection to the sea front and along the intertidal area at the southern end of Withernsea, on the north east coast of England.

The specific area for transhipment of rock to the barge and includes an access/exit corridor from the six mile limit, every precaution will be taken to remain within the 500m wide access corridor. A beach access corridor is included to allow for the delivery of rock to the intertidal zone using the barge Selina, the attendant tug, the Venture and support vessel, the Obervargh will operate in this area.

 

The delivery of rock to the transhipment zone is expected to commence on or around the 11th June 2020, with the delivery of the first load aboard the Liamare call sign: PBBH. Rock will be unloaded to the barge Selina call sign: MDNU4 and deposited on the beach at the earliest opportunity. The vessels Venture call sign: 2HUC5 and Obervargh call sign: MFOU4 will be in attendance to manoeuvre the Selina into position and provide support. The works are expected to commence on the 11th June and last until the end of September 2020. However, the exact start and finish date will be dependent on weather conditions, availability of the rock at source and work progress.

All vessels will require large turning circles, as a consequence, it is requested that all vessels operating within the area keep their distance, maintaining a distance of at least the 500m, and pass at minimum speed to reduce vessel wash.

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Exposed Cable - Beatrice Offshore Windfarm

A short area (4m) 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 180degs.

On behalf of Beatrice Offshore Windfarm Ltd, MFV Reaper call sign: MFIX5 will carry out guard vessel duties on the exposed export Cable 2, Reaper will be in location at approx 11th June 2020 and will carry out guard vessel duties until rock placement has taken place to cover the exposure.

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Survey - Ref: 1090

A 7.5 day Culzean Wells Survey

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Total E&P North

TBA

2m

5m

01/07/2020 - 31/10/2020

For 7.5 Days

22

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Survey - Ref:1101

A 2 day Survey, expected to start 15 July 2020, with the vessel "Fugro Venturer" (C6CG3)

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North)

Marine Limited

Fugro Venturer

C6CG3

400m

3m

15/07/2020 - 30/09/2020

For 2 Days

22

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Survey - Ref:1100

A 2 day Survey, expected to start 15 July 2020, with the vessel "Fugro Venturer" (C6CG3)

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North)

Marine Limited

Fugro Venturer

C6CG3

400m

3m

15/07/2020 - 30/09/2020

For 2 Days

22

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Cable Installation - Penguins (UK) - Snorre A (NOR)

Tampnet AS will in the period 1st of July until 30th of August 2020 perform an installation of a 90 km Submarine Fibre Optical Cable route between the Penguins Field and the Snorre field in the North

The cable will initially be surface laid and then buried, by means of trencher and cutting tools to ensure protection. In the time between the cable lay and burial the cable will be exposed until the burial operations are completed.

We advise that no fishing activity / trawling or using bottom gear in proximity to these areas must occur and to manoeuvre with caution to avoid damage to fishing gear or cable.

 

Deep Ocean will install the cable for Tampnet. Two vessels will be used in the operation:

  • Maersk Connector  Call Sign: OWEB2
  • Havila Phoenix  Call Sign: C6BD2

In addition we will use guard vessels to prevent damage to the exposed cable before burial is performed.

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Decommissioning Pipeline Works - Banff & Kyle Fields

Teekay Petrojarl Floating Production UK Ltd is decommissioning planning pipeline works in the Banff and Kyle fields.

Teekay Petrojarl Floating Production UK Ltd gives notice of its intention to undertake pipeline works in the Banff and Kyle Field areas, currently planned to commence 13th June 2020.  The works, described as Banff and Kyle Field Decommissioning Phase 1 activities includes:

 

  • Flushing of subsea infrastructure
  • Positive isolation of all trees on Kyle and Banff fields from subsea infrastructure
  • Cutting of dynamic risers and umbilicals from FPSO Petrojarl Banff and export riser from FSO Apollo Spirit
  • Cut risers close to connection points at seabed and retrieve all risers and umbilicals for recycling.

The pipelines are subject of three PWA Variation Applications. OGA References are PWA 37/W/97, PWA 34/W/98 and PWA 02/W/07.

 

Current known vessel activity in the area is as follows:

 

Operations Vessel In Field

Banff Fields Subsea Wells

Isolations and Gas Export line

disconnection from CATS system

DSV Deep Discoverer 13/06/20 - 10/07/20

Kyle Fields Subsea Wells

Isolations

DSV Deep Discoverer 01/08/20 - 20/08/20
FPSO and FSO Removal TBA 20/07/20 - 20/08/20
Pick up of risers and Umbilicals TBA 01/08/20 - 15/10/20

 

 

Key Locations are:

Field Location Position
Banff Field - Platform FPSO Petrojarl Banff

57°00.073'N 001°17.638'E

Banff Field - FSO Apollo Spirit

57°00.728'N 001°19.664'E

Banff Field Manifold

56°54.885'N 001°18.937'E

Kyle North

56°09.168'N 001°13.328'E

Kyle South Manifold

56°59.408'N 001°18.937'E

 

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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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Soil plug removal operations

Please be advised that soil plug removal operations will re-commence using the Boa Sub C vessel within Moray East Offshore Windfarm Construction area from the 21st of June 2020 until further notice.

Please be advised that Moray Offshore Windfarm (East) Limited (Moray East) are planning to re- commence soil plug removal operations using Boa Sub C in preparation for forthcoming jacket installation work scope within Moray East Offshore Windfarm Construction area circa 21st of June 2020 until further notice. 

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Obstructions

Obstructions, least depth 16.4m. Scattered debris with visible structures like boxes and others in a triangular shape area at the seafloor.

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Suspected New Wreck

Structure 15 m length, 1.6 m width and 0.6 m height. There is an unknown object, raising 8 m, until water surface attached to this structure.

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Survey - Ref:1079

A 7 day Survey, expected to start 17 June 2020, with the vessel "Fugro Venturer" (C6CG3)

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North)

Marine Limited

Fugro Venturer

C6CG3

1300m

3m

17/06/2020 - 31/08/2020

For 7 Days

30

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Survey - NO-UK SUBSEA CABLE SYSTEM

Xtera Ltd. has contracted Fugro to carry out a cable route survey for the proposed cable systems. The NO-UK system spans nearly 700 km between Seaton Sluice (UK) and Stavanger (NO). MV Fugro Galaxy - Call Sign: C6YY4 and Fugro Seeker - Call Sign: 2HC52.

Please be advised that Fugro will be carrying out marine operations on behalf of Xtera Ltd. for the NO-UK SUBSEA CABLE SYSTEMS.

The operations along the route will be carried out from approximately 26 June for approximately eight weeks. The exact finish date will be dependent on the prevailing weather conditions and work progress.

 

The main vessel will be running a hull mounted multibeam eco sounder along several lines in a 500 metre corridor centred on the proposed route. Towing equipment such as magnetometer and side scan sonar will be used throughout the works. Time to time the vessel will slow down or stop to measure water properties, as well as perform geotechnical measurements, necessary for this kind of study.

 

It is requested that all vessels operating within this area keep their distance, maintaining at least a 1000 metre exclusion zone, and pass at minimum speed to reduce wake interference over the sensor readings.

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Change of Active Area – Licence Area 461

A new dredging zone is being made active from 15 July 2020 to the end of November 2020 for a beach recharge scheme in the region. In addition to the current Active Dredge Zone (zone 3) a new area to the north is being activated (zone 2).

On behalf of Volker Dredging Ltd (VDL), this notice is to advise that a new active dredge zone (Zone 2) is being made active on Area 461 for a beach recharge campaign in the region. The beach recharge campaign is likely to begin around 15th July 2020 and therefore the new zone will be active from this date. The recharge operations are expected to be completed by the end of November 2020 when the zone will be deactivated again.

 

The current dredging zone (Zone 3) will also remain active during this period.

 

Coordinates for Zone 2 and Zone 3 (in Lat-Long WGS84) are shown in the table below.

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Wet Store Area - Loyal Drill Centre

An area near the Loyal Drill Centre (West of Shetland) has been designated as a wet store area. This area shall be used between July and September 2020 to store a variety of project items such as flowlines and baskets.

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Wet Store Area - Schiehallion Central Drill Centre

An area near the Central Drill Centre (Schiehallion, West of Shetland) has been designated as a wet store area. This area shall be used between July and September 2020 to store a variety of project items such as flowlines and baskets.

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Reported position of the wreck of the J-Sea (E-333) fishing vessel

The 14 metre fishing vessel, J-Sea (E-333), was reported to have capsized and sank on the eve of the 30 May 2020 - all three crew rescued from their life raft by another fishing vessel. Position reported by fishing industry

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Deployment of Buoys - Neart na Gaoithe OWF

Neart na Gaoithe Offshore Wind Limited (NnGOWL) have completed the deployment of four Cardinal buoys around the Neart na Gaoithe Offshore Wind Farm site.

The marker buoys will remain in place until the construction of Neart na Gaoithe Offshore Wind Farm is complete.

 

Name Coordinates
NNG N - North Cardinal - Quick (Q) White light character 56°20.424'N 002°14.616'W
NNG E - East Cardinal - Q (3) 10s White light character 56°14.329'N 002°08.557'W
NNG S - South Cardinal - Q (6) + Long (L) FL 15s White light character 56°12.293'N 002°09.760'W
NNG W - West Cardinal - Q (9) 15s White light character 56°17.057'N 002°21.083'W

 

The buoys will be deployed for the duration of the construction of Neart na Gaoithe Offshore Wind Farm. The buoys will be inspected and maintained at least every 12 months.

 

There are currently two Guard Vessels present on site, which will be on site for the duration of the Neart na Gaoithe Offshore Wind Farm construction period. The guard vessel is either:

  • Artemis, call sign MVIX5;
  • Tranquillity S, call sign MJUH9 or
  • Seagull, call sign MVBO2.
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Decommissioning - Sound of Gigha

Scottish Salmon Company is undertaking decommissioning and installation of site equipment in the Sound of Gigha from 26th May for 90 days using the Vessels "Meercat" 2DDB7, "Paul B" MG0G9, "MV Melissa" VSNK8.

Company Vessels Duration
Scottish Salmon Company 

Meercat 2DDB7

Paul B MG0G9

MV Melissa VSNK8

26/05/2020 

For 90 Days

 

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Rig : Rowan Gorilla 5

The jack-up rig Rowan Gorilla 5 is alongside West face of Franklin WHP – within 500m zone, UKCS Block 29/5b

The jack-up rig Rowan Gorilla 5 is alongside West face of Franklin WHP – within 500m zone, UKCS Block 29/5b

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Pipeline Span - Dunbar to Alwyn: PL1043

Significant free-spans have been identified along the PL1043 Dunbar to Alwyn pipeline

Significant free-spans have been identified along the PL1043 Dunbar to Alwyn pipeline : Please exercise caution in these areas

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Pipeline Span - Gryphon Gas Export to Beryl : PL1894

Significant free-spans have been identified along the PL1894 Gryphon to Beryl

Significant free-spans have been identified along the PL1894 Gryphon to Beryl : Please exercise caution in these areas

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Plugged and Abandoned Well : Sween

Sween UKCS 3/30 : Abandoned Wellhead (3/30-7)

No overtrawlability trial done yet, rough ground may be experienced.

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MacCulloch Area – Location of Donan (Dumbaton/GP3) Gas Export Tie-In Skid

Post decommissioning of the MacCulloch FPSO / Field in UKCS Block 15/24, a Guard Vessel is no longer in position at the location of the Tie-In Skid at MacCulloch 

After the decommissioning of the MacCulloch FPSO / Field in UKCS Block 15/24, a Guard Vessel is no longer in position. 

 

The Donan (Dumbarton) Field, located in UKCS Block 15/20, has an out of use Gas Export pipeline (PL2324) which is still connected to a Tie-In Skid located within the previous MacCulloch subsea 500m zone. 

 

Please be aware that this subsea Tie-In Skid remains in place at this location.  The structure has been notified and recorded on the NDR / FishSafe websites since 2006/07, but has been previously monitored by the guard vessel.

 

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Plugged and Abandoned Well : Balvenie

Balvenie UKCS 3/14: Abandoned Wellhead (3/14d-18)

No overtrawlability trial done yet, rough ground may be experienced.

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Plugged and Abandoned Well : Alwyn South

Alwyn South UKCS 3/9 : Abandoned Wellhead (3/9a-11)

No overtrawlability trial done yet, rough ground may be experienced.

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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 - 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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Cable Installation - Johan Sverdrup Field

Installation and burial of permanent reservoir monitoring (PRM) cables at Johan vessel " Ile de Batz" (IMO 9247041)& "Olympic Electra" (IMO 9547415) from 29 May 2020- 25th October 2020

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Survey - (Ref: 1086)

A 2 day Survey, expected to start June 2020 Vessel "MV Fugro Frontier call sign: C6BH4"

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro Marine

Netherlands B.v

Fugro Frontier

C6BH4

 

04/06/2020 - 30/11/2020

For 2 Days

42/24

See detailed map on our bulletin website
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Wave Rider Buoy - Moray Offshore Windfarm (East)

Please be advised that Moray Offshore Windfarm (East) Limited (Moray East) have deployed a directional wave rider buoy within the bounds of Moray East Offshore Windfarm.

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Rig - Valaris Gorilla VI

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

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Survey - Ref:1084

A 86 day Survey, expected to start 01 June 2020, vessel to be confirmed.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Shearwater

GeoServices AS

TBA

 

8100m

8m

01/06/2020

For 86 Days

210, 211, 002, 003
See detailed map on our bulletin website
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Coils of Steel Rope - Neart Na Gaoithe Offshore Wind Farm

The Glomar Wave has discovered two seabed hazards, within the boundaries of the Neart na Gaoithe Export Cable Corridor. A 50-metre exclusion zone is requested around each of the following locations for safety reasons, until they can safely be removed.

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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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Drilling - Pierce Field

The Ocean Endeavor is scheduled to move to the Pierce field to Drill to drill two wells on 30/04/2020. The rig will be on location in the field for approximately 145 days and will operate under 1 anchor pattern.

Field Position Start/Finish Duration
Pierce 57°10.048'N 002°15.361'E 30/04/2020 145 Days
Pierce 57°10.069'N 002°15.369'E 30/04/2020 145 Days
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Survey - Ref:1076

A 45 day Survey, expected to start 10 May 2020, with the vessels "Amazon Warrior" (3FNE9) "SW Cook" (5BPC2) "Vivre G" (HO9384) and "Ocean D" (ZDJY8)

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Shearwater Geoservices Ltd

Amazon Warrior (3FNE9)

SW Cook (5BPC2)

Vivre G (HO9384)

Ocean D (ZDJY8)

 

01/05/2020 - 31/10/2020

For 45 Days

21, 22

See detailed map on our bulletin website
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Decommissioning - Amethyst C1D Platform

Decommissioning activity will be taking place on the Amethyst C1D platform from 1st May until 30th September 2020

Platform: Amethyst C1D Platform

 

Location: 53°38.743' N 00°36.224'E

 

Activity: Arrival and siting of jack up barge (Erda) alongside the platform for rendering the platform hydrocarbon free in preparation for the removal of the platform.

Date of commencement: earliest start date 1st May  2020

Estimated date of completion: 30th September 2020

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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

See detailed map on our bulletin website
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Freespans - Breagh Pipelines

Two freespans have been identified on the 20” gas export line (PL2768). Please exercise caution in this area.

Start Position End Position

Length (m)

Height  (m)

54°36.952'N 00°14.608'E 54°36.952'N 00°14.599'E 23.15 1.00
54°39.576'N 00°49.814'W 54°39.577'N 00°49.827'W 30.37 1.00

 

See detailed map on our bulletin website
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Wreck - Off Ilfracombe

Wreck appears to be 13m long, 9m wide, with a shallowest point registered at just over 26m.

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Cable Repair - GTT Segment C

Following cable repair, cable exposed due rocky seabed conditions

Notice to fisheries and seabed users in the Irish Sea:

 

Please be advised that following a recent cable repair to the GTT (Hibernia) Segment ‘C’ between Southport and Dublin, the cable has been deployed as follows:

 

Initial Splice:        53° 48.3613’N    04° 30.1514’W

Standing bight:   53° 48.2208’N    04° 29.4494’W

Final Splice:         53° 48.1279’N    04° 28.2360’W

 

It should be noted that throughout the extent of the cable repair, despite repeated attempts at post lay burial by an ROV, the predominantly very rocky seabed has meant that cable burial and hence protection has not been possible.

 

It should also be noted that at the position of the ‘standing bight’ the cable is standing upright from the seabed at a height of 0.4 metres, with a length over the ground of 2.0 metres.

 

All seabed users are requested not to deploy equipment which engages with the seabed in this area, to avoid snagging of the cable and particularly so, at the standing bight area.

 

In case of any issues, please do not hesitate to contact the GTT Hibernia emergency contact number on: +353 1 867 3600 Option 2

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Rig - Deepsea Nordkapp

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 - 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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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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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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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: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 - (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
See detailed map on our bulletin website
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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 - 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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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

See detailed map on our bulletin website
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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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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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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

See detailed map on our bulletin website
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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 - 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 - 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 - 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 - 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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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

 

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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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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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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 - 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 - 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 - 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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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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