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All Subsea Cables Renewable Energy Safety News Downloads

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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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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.org, ("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.org  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

Kingfisher Regional - Baltic South 2020

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Kingfisher Wallchart 2020 download

Kingfisher Wallchart 2020

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Beatrice 2021 download

Beatrice 2021

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Kingfisher Regional - Irish Sea 2020 download

Kingfisher Regional - Irish Sea 2020

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Hornsea 2 2021 download

Hornsea 2 2021

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Borselle 1+2 2021 download

Borselle 1+2 2021

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Moray East 2021 download

Moray East 2021

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Hywind 2021 download

Hywind 2021

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Aberdeen Demonstrator Project 2021 download

Aberdeen Demonstrator Project 2021

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Kincardine 2021 download

Kincardine 2021

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Blyth Demonstrator Project 2021 download

Blyth Demonstrator Project 2021

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Teesside 2021 download

Teesside 2021

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Hornsea Project One 2021 download

Hornsea Project One 2021

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Westermost Rough 2021 download

Westermost Rough 2021

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Humber Gateway 2021 download

Humber Gateway 2021

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Triton Knoll 2021 download

Triton Knoll 2021

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Race Bank 2021 download

Race Bank 2021

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Sheringham Shoal 2021 download

Sheringham Shoal 2021

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Dudgeon 2021 download

Dudgeon 2021

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Lincs 2021 download

Lincs 2021

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Inner Dowsing & Lynn 2021 download

Inner Dowsing & Lynn 2021

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Scroby Sands 2021 download

Scroby Sands 2021

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Galloper 2021 download

Galloper 2021

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Greater Gabbard 2021 download

Greater Gabbard 2021

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Gunfleet Sands & Demonstrator Site 2021 download

Gunfleet Sands & Demonstrator Site 2021

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London Array 2021 download

London Array 2021

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Kentish Flats & Extension 2021 download

Kentish Flats & Extension 2021

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Thanet 2021 download

Thanet 2021

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Rampion 2021 download

Rampion 2021

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Rhyl Flats 2021 download

Rhyl Flats 2021

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Gwynt Y Mor 2021 download

Gwynt Y Mor 2021

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North Hoyle 2021 download

North Hoyle 2021

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Burbo Bank & Extension 2021 download

Burbo Bank & Extension 2021

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Barrow 2021 download

Barrow 2021

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West of Duddon Sands 2021 download

West of Duddon Sands 2021

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Walney 1-4 2021 download

Walney 1-4 2021

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Ormonde 2021 download

Ormonde 2021

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Robin Rigg 2021 download

Robin Rigg 2021

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Nysted 2021 download

Nysted 2021

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Horns Rev 3 2021 download

Horns Rev 3 2021

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Horns Rev 2 2021 download

Horns Rev 2 2021

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Horns Rev 1 2021 download

Horns Rev 1 2021

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Gode Wind 2 2021 download

Gode Wind 2 2021

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Gode Wind 1 2021 download

Gode Wind 1 2021

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Borkum Riffgrund 2021 download

Borkum Riffgrund 2021

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Anholt 2021 download

Anholt 2021

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Fishing Plotter Installation Guide download

Fishing Plotter Installation Guide

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News

Installation of Umbilical - ETAP to Seagull Field

Trenching and installation of umbilical between Seagull and ETAP installation via vessel

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Survey - Southern North Sea (Ref: 1320)

A 60 Day Southern North Sea survey of the interim export pipelines across the whole Perenco UK area between 25th October 2021 - 25th December 2021. Using the vessel Geo Ocean III Call sign: LXGP.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Geo XYZ

Geo Ocean III

LXGP

N/A

25/10/2021 - 31/12/2021

For 60 Days

42,43,47,48,49,53

See detailed map on our bulletin website
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Decommissioning Activity at the Indefatigable 18A Installation

Decommissioning related activities – HCF Campaign at the Indefatigable 18A Installation. Planned HCF works are due to commence on the Indefatigable 18A Platform (UKCS 49/18A). The Jack up Barge Haeva, will depart from Bessemer on 10th November 2021 and transit to the Indefatigable field, where it will commence the HCF operations around 13th November 2021.The HCF campaign duration is 167 days and finish approximately  around 29th April 2022.

The Jack up Barge Haeva, will depart from Bessemer on 10th November 2021 and transit to the Indefatigable field, where it will commence the HCF operations around 13th November 2021.The HCF campaign duration is 167 days and finish approximately around 29th April 2022.

See detailed map on our bulletin website
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IOM-UK Manx Utilities Cable Survey

Please be advised that A-2-Sea Solutions will be carrying out marine survey operations along the IOM-UK Submarine Electrical Interconnector cable. The marine survey will extend from Blackpool, UK along the length of the cable route to Douglas, IOM.

Survey operations are expected to commence from the end of October into mid-November for approximately 1-2 weeks depending on weather conditions. Survey work will be undertaken onboard the survey vessel ‘Manor Brunel’. The ‘Manor Brunel’ (19.6m LOA) will be underway throughout operations sailing survey lines at 4-8 knots. ‘Manor Brunel’ will exhibit the lights and shapes prescribed by the International Regulations for Preventing Collisions at Sea and will maintain a listening watch on VHF Channel 16.

The survey area constitutes a 50m corridor centred on the cable. Survey operations will involve the use of hull mounted equipment and towed equipment below the water surface, up to 100m behind the vessel. A wide berth is requested at all times as the vessel will be restricted in her ability to manoeuvre.

See detailed map on our bulletin website
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Survey - Proposed Scotland - N.Ireland 3

Global Marine is preparing to undertake a visual and sonar pre-installation survey along the proposed Scot NI 3 fibre optic telecommunications routes situated within Scottish and Northern Irish waters. The Normand Clipper is scheduled to arrive on site at the proposed Portpatrick landing point on the 1st November and will survey the proposed Scot NI 3 route westwards toward the landing point in Donaghadee.

Nearshore/beach works

 

The vessel that will be supporting & conducting intertidal and nearshore cable installation & trenching works is TBC. These works will be conducted along with some supporting shallow draft vessels (RIBS).

 

Cable Name Landing Point Date
Scot - NI 3 Portpatrick 1st November - 14th November 2021
Scot - NI 3 Donaghadee 6th November - 19th November 2021

 

Pre-Lay Grapnel Run (PLGR) & route clearance  6th – 9th November 2021 (Scot-NI 3)

The Normand Clipper vessel will be conducting PLGR & route clearance along the Scot-NI 3 route between 6th and 9th November 2021, starting at Portpatrick and moving towards Donaghadee.

 

Cable installation 9th – 17th November 2021 (Scot-NI 3) The Normand Clipper will be installing the Scot-NI 3 cable from the agreed landing point at Portpatrick and laying the cable towards Donaghadee, Ireland, between 9th and 17th November 2021.

 

Post Lay Inspection Burial (PLIB) 16th – 26th November 2021 (Scot-NI 3)

The CS Sovereign vessel will be conducting PLIB activity along the Scot-NI 3 route between 16th and 26th November 2021, starting at Portpatrick and moving towards Donaghadee.

 

The vessels will be limited in manoeuvrability therefore, vessels working in the area should maintain a distance of at least 1NM from the cable ship during operations.

See detailed map on our bulletin website
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Survey - Proposed Scotland - N.Ireland 4

Global Marine is preparing to undertake a visual and sonar pre-installation survey along the proposed Scot NI 4 fibre optic telecommunications routes situated within Scottish and Northern Irish waters. The Normand Clipper call sign: LAXJ7 is scheduled to arrive on site at the Scot NI 4 cable landing point at Larne and conduct survey works towards Girvan from the 13th November to the 25th November. Timings are dependent upon weather and other operational conditions

Nearshore/beach works

The vessel that will be supporting & conducting intertidal and nearshore cable installation & trenching works is TBC. These works will be conducted along with some supporting shallow draft vessels (RIBS).

 

Cable Name Landing Point Date
Scot - NI 4 Girvan 13th November - 25th November 2021 (vessel TBC)
Scot - NI 4 Larne 9th November - 3rd December 2021

 

Pre-Lay Grapnel Run (PLGR) & route clearance 13th – 16th November 2021 (Scot-NI 4)

The CS Sovereign vessel will then conduct PLGR & route clearance along the Scot-NI 4 route between 13th and 16th November 2021, starting at Girvan and moving towards Larne.

 

Cable installation 19th November – 5th December 2021 (Scot-NI 4) The Normand Clipper will be installing the Scot-NI 4 cable from the agreed landing point at Girvan and continue to lay the cable towards Larne, Ireland, between 19th November and 5th December 2021. During this installation, the installation of the Girvan Shorend landing (vessel TBC) will be conducted between 13th November and 25th November 2021.

 

Post Lay Inspection Burial (PLIB) 26th November – 20th December 2021 (Scot-NI 4)

The CS Sovereign vessel will be conducting PLIB activity along the Scot-NI 4 proposed cable route between 26th November and 20th December 2021, starting at Girvan and moving towards Larne.

 

The vessels will be limited in manoeuvrability therefore, vessels working in the area should maintain a distance of at least 1NM from the cable ship during operations.

See detailed map on our bulletin website
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Eastern Irish Sea Wind Farms - Monthly Notice To Mariners - Update

General Maintenance and Survey for Barrow, Burbo Bank, Burbo Bank Extension, Walney 1, 2, 3 & 4, West of Duddon Sands.

General Maintenance

Site Lighting and Marking Status Survey Jack-Up Vessel Other Works
Barrow (BOW) All currently operational N/A N/A N/A
Burbo Bank (BBW 01) All currently operational

ROV Survey

MPI Adventure Dropped Object
Burbo Extension (BBW 02) All currently operational N/A

Name TBC

Rock Placement

Walney 01 and 02 (WOW 01&02) All currently operational Seabed Survey MPI Adventure N/A

Walney Extension (WOW 03 & WOW 04) (WOW Ext)

All currently operational N/A Name TBC

Rock Placement

West of Duddon Sands All currently operational N/A MPI Adventure

N/A

 

See detailed map on our bulletin website
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Cable Burial Operations - London Array Offshore Wind Farm

The Multipurpose Supply Vessel “Nora B” call sign: PDKG will be onsite from 19th October 2021 for up to 5 days to carry out cable burial operations between WTGs J19-K19 within the London Array Wind Farm.

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Inch Cape Offshore Wind Farm - Development Area Site Investigations

Site investigation in the Development Area for the consented Inch Cape Offshore Wind Farm located within the Outer Firth of Tay.

Please be advised that Fugro will be performing site investigation works on behalf of Inch Cape Offshore Limited. The works are to be carried out within the Development Area (see Figure 1 below) for the consented Inch Cape Offshore Wind Farm located within the Outer Firth of Tay

 

The first phase of the site investigation works are now complete. The second phase of the site investigation works will commence on or after the 1st of November 2021, weather permitting and take up to 25 days to complete. The works will be undertaken using the vessel Fugro Scout.

 

During the survey the vessel will be displaying the relevant RAM lights and displays during periods of restricted manoeuvrability. Whilst not recommended, vessels entering the survey area are requested to maintain a 500m safety zone. 

See detailed map on our bulletin website
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Seabed instrumentation frame deployments - South Stack Irish Sea

Two seabed instrumentation frames with associated ground lines and clump weights will be temporarily deployed for a period of approximately 5-6 weeks, assuming suitable weather conditions for recovery operations.

Each ballasted frame weighs around 370kg, measures approximately 1.5m x 1.5m x 1.5m and is connected to a 100kg clump weight and remotely actuated pop-up buoy via a 100m wire ground line.

 

Once installed in the Morlais demonstration zone the frames will sit on the seabed at depths of at least 30m, with no surface infrastructure such as buoys or markers. Vessels will be able to pass safely through the area and above the frames. Use of static or mobile benthic fishing gear in the immediate area should be avoided to avoid the risk of snagging.

 

Three possible deployment locations are listed for the two seabed frames: a final pre-installation survey by subsea video camera will be completed at these locations before the equipment is deployed on the two most appropriate locations. This notice will be updated with the as-deployed locations.

See detailed map on our bulletin website
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Dropped - Ormonde Offshore Wind Farm

MPI Adventure jacked up along-side Ormonde B01. 3 x 61m turbine blades weighing 126 tonnes & Blade clamping tool 3000-3100kg. The items are in the water adjacent to vessel in proimity to WTG B01. Debris has fractured off from one blade and potential to reach shore. Glass fibre fragments and part of blade. MPI Adventure is still on site, objects in close proximity to WTG B01 therefore unlikely that other vessels will stray into area. Arrangements for deployment of marker buoys are ongoing.

Turbine parts and tool fell into water during a major component exchange at turbine B01:

  • 3 x 61m blades:
    • Mainly Fibreglass and Wood with bearings and pitch gear rings.
  • Hub, containing:
    • 3 x Pitch Motors (22 litres of Mobil SHC Gear 150 in each)
    • 3 x 30 batteries. Lead Acid 12V 12AH.
    • 4 x Electrical cabinets containing MCB/Relays/Cabling
    • 3 x Grease pumps (empty).
    • The rest consists of the steel frame/ fibreglass cover, some fibreglass ladders and electrical switches/sensors & cabling.
  • Blade clamping tool (incl. batteries and 50l hydraulic oil tank)
  • 2 x Foam Wraps for the blade tips with length of rope attached.

 

Hub, blades and blade clamping tool understood to be on seabed. Fragments of broken blade on sea surface.

See detailed map on our bulletin website
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Fishing Hazard - Dons Fields Decommissioning Works

The Northern Producer FPF has been removed from it’s moorings and towed to port for decommissioning but the subsea assets within the Northern Producer FPF 500m zone will remain in place on the seabed and could pose a snag hazard to fishermen

The Northern Producer FPF has been removed from it’s moorings and towed to port for decommissioning but the subsea assets within the Northern Producer FPF 500m zone will remain in place on the seabed and could pose a snag hazard to fishermen therefore the Thistle Alpha Platform ERRV will act as a guard vessel until the 500m zone clearance is performed in 2022.

 

This includes the 8 No Risers draped over the Mid Water Arch (MWA), the MWA Clumpweight Guide Frame, the Riser Base Structure (RBS) and the surface laid pipelines / Umbilicals.  The MWA will remain in the water column at a depth of 112m and will remain tethered to the seabed via the clumpweight guide frame. The risers will remain draped over the MWA with one end on the seabed and the other end will remain connected to the RBS so that they remain stable. The existing stabilisation mattresses will remain in place over the surface laid pipelines/umbilicals.

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Rig - Swift 10

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

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Construction of Wind Farm - Triton Knoll

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

 

Mariners are advised that the following vessels continue to be active at the Triton Knoll Offshore Wind Farm as outlined within previously issued NtM's:

 

The following vessels continue to be active at the Triton Knoll as outlined within previously issued NtM's 

Vessel Name

Type

Call Sign

MMSI

IMO

Operating Port

Commence Date

Seacat Intrepid

Crew Transfer

2HWU6

235107284

N/A

Grimsby

02/01/2020

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

Windcat 11 Crew Transfer Vessel 2BIS9 235066459 N/A Grimsby 14/12/2020
Acta Orion Service Operations Vessel PCEN 244830883 9750268 Immingham 15/01/2021
HST Euan Crew Transfer Vessel MGQO3 232025959 9883974 Grimsby 15/01/2021
World Mistral Crew Transfer Vessel OWJT2 219018009 9681302 Grimsby 15/03/2021
Seacat Enterprise Crew Transfer Vessel MAPS9 232006483 N/A Grimsby 25/04/2021
Windcat 44 Crew Transfer Vessel MFAA3 232021363 N/A Grimsby 09/08/2021
Esvagt Havelok Service Operations Vessel OYFR2 219026496 9878981 Grimsby 25/09/2021

 

 

All vessels can be contacted via VHF channel 16 when operational in field.

 

*** Note ***

 

All 90 WTG's have now been fully installed, whilst WTG commissioning and service continues.

All Export Cables are fully installed/buried and need to be deemed live/energised.

All Inter Array Cables are fully installed and buried and need to be deemed live/energised.

 

Construction activities carried out over the previous 7 Days:

  • Ongoing activities at Offshore Sub Station Platforms East & West continues.
  • Ongoing activities at Offshore foundations continues.
  • Wind Turbine Generator Commissioning and Service continues infield.

Construction Activities planned for the next 7 days:

  • Ongoing activities at Offshore Sub Station Platforms East & West continues.
  • Ongoing activities at Offshore foundations continues.
  • Wind Turbine Generator Commissioning and Service continues.
  • Departure of Crew Transfer Vessel 'Seacat Enterprise'.

 

*** 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)

 

Mariners are advised that all foundations monopiles have been installed and all inter-array and export cables have been installed.

 

Local Notice to Mariners Recently

NtM 001-2021 (05th January 2021)

NtM 002-2021 (20th January 2021)

NtM 003-2021 (17th March 2021)

NtM 004-2021 (24th March 2021)

NtM 005-2021 (06th April 2021)

NtM 006-2021 (16th April 2021)

NtM 007-2021 (18th May 2021)

NtM 008-2021 (29th June 2021)

NtM 009-2021 (29th July 2021)

NtM 010-2021 (20th August 2021)

 

Navigation Warning - 08th January 2021

 

Mariners are advised that the remnants of a Wave Rider Buoy sinker weight and partial rigging are located within the Triton Knoll Offshore Wind Farm Construction site at the following location;

 

53° 30.442N 000° 50.564E

 

It is advised that the partial rigging could potentially be floating up to 9.7m above the seabed, reducing the navigable safe water in the immediate area to 10m LAT.  Mariners are advised to avoid the indicated position by 250 metres.

 

Possible Dangers to Navigation - Properties of the polypropylene show that the rope is buoyant, this makes the line sensitive for thruster currents. Taking the site water depth into consideration (19.7m LAT) and the maximum expected height above seabed of the rope 9.7m the line is expected to be floating submerged at approximately -10m LAT. In addition, it is noted that over time sediments will be trapped between the fibres and the heavier rope may finally sink. The polypropylene rope may impose a risk to foul propellers / propulsion of vessels due to the buoyant nature of the rope. As the rope is submerged at a depth of ~-10m LAT the risk is considered minimum for vessels with a shallow draught (<5m) and medium for a vessel with a deeper draught (>5m). Over time sediments will be trapped between the fibres and the heavier rope may finally sink thereby reducing the risk to propellers/propulsion of vessels. The clump weight itself (chain) is expected to have sunk into the seabed and has no significant height above seabed. In addition, the edges of the clump weight are mostly rounded (chain), the risk the clump weigh imposes to fishing activities/gear is therefore considered to be minimal.

 

Navigation Warning - 16th March 2021

 

Mariners are advised that two UXO targets have been confirmed within the Triton Knoll Offshore Wind Farm Array.

 

Mariners are advised that the two confirmed targets are located within 20 metres water depth (LAT) and a 10 metre radius exclusion zone is required around each target.  The following table provides the coordinates and a description for each target.

 

Description of Target Latitude Longitude

Water Depth

(LAT) Metres

Required Exclusion

Zone (Metres Radius)

Archaeological - The item is thought to be an air-delivered bomb.  It appears to be in a stable condition and is resting on the seabed.  Marine growth and concretion cover the body, indicating it has been in situ for a significant duration. The tail section of the bomb is missing, which is typical of unexploded bombs from WWII found in these circumstances and there is a significant hole in the case. The dimensions and characteristics gathered are consistent with a 500kg German bomb. Considering the state of the bomb the Net Explosive Quantity of the bomb is likely to be <5kg. 53°31'50.249"N 00°47'45.908"E 20 10
Archaeological - The item is thought to be an air-delivered bomb.  It appears to be in a stable condition and is resting on the seabed.  Marine growth and concretion cover the body, indicating it has been in situ for a significant duration. The tail section of the bomb is missing, which is typical of unexploded bombs from WWII found in these circumstances and there is a significant hole in the case. The dimensions and characteristics gathered are consistent with a 500kg German bomb. Considering the state of the bomb the Net Explosive Quantity of the bomb is likely to be <5kg. 53°31'49.895"N 00°47'45.115"E 20 10

 

Navigation Warning - 25th May 2021

 

 

Mariners are advised that during a Man Overboard Recovery drill a “Dead Fred Casualty” was subsequently lost, presumed sunk to the seabed in the following position;

 

Latitude - 53° 30.27’N

Longitude - 000°40.55’E

 

Water Depth – 79m LAT

 

If the object is recovered, please contact the following in the following order.

  • Triton Knoll Marine Coordination Centre:
  • Email – tkmcc@smchse.com
  • Tel – 0045 82 13 62 19
  • Lee Cornwell - External Consultant – Marine Operations
  • Email - l.cornwell@tritonknoll.co.uk
  • M: +44 (0)7384 807293
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ADCP deployments on the seabed - Skye and Outer Hebrides

Deployment of three scientific Acoustic Doppler Current Profilers on the sea bed for 6 months – no surface markers.

We will be deploying three scientific Acoustic Doppler Current Profilers on the sea bed for 12 months from October 2021 to collect currents data for environmental monitoring and hydrodynamic model validation.  The instruments have no surface markers and will be recovered using acoustic releases.  Two of the instruments will be inside low profile trawl-resistant frame (Little Minch, west of Skye, and Linn Crowlin, east of Skye) and one inside a steel frame (Loch Erisort, east of Lewis).  See attachment for photos of the frames, a chart with their position and their positional details.

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Acoustic survey at Kincardine wind farm

Deployment of three stationary scientific moorings at Kincardine Offshore Wind Farm in 2nd half of October 2021, with recovery planned for mid-to late November 2021 (~4-6 weeks).

Staff from the Scottish Association for Marine Science (SAMS) will deploy and recover three scientific moorings inside the Kincardine Offshore Wind Ltd. (KOWL) wind farm lease site, ~15 km offshore from Aberdeen. Expected deployment duration will be several weeks, from mid-October to late November 2021. This may need to be extended if adverse weather conditions prevent timely recovery.

 

Moorings will contain passive acoustic recording equipment intended to record sound produced by operational wind turbines. Moorings will be located within the KOWL lease area boundary, at 200 m, 600 m and 2,000 m from one of the wind turbines, at water depths of around 80-90 m. Moorings will extend up to 110m along the seafloor using weighted lines, and will not extend more than a few meters into the water column (there will be no surface expression). Deployment and recovery will take place using a combination of ROV and acoustic release-based methods, using Moray First Marine Ltd. vessels 'Coral winds' and/or 'Waterfall' travelling from Aberdeen. Deployment and recovery activities of all three moorings are expected to be completed within a single working day (again, weather permitting).

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Seagreen Offshore Wind Farm - Scour Protection Installation

Subsea Scour Protection rock installation will commence on the Seagreen Offshore Windfarm foundation structures within the site boundary.

On behalf of Seagreen Wind Energy Ltd, Seaway 7 will install seabed scour protection rock to the foundation structures within the site boundary. The Flexible Fall Pipe Vessel (FFPV) Bravenes will transport and install the rock on the seabed using its flexible fall pipe system. This allows the scour protection to be installed with a high degree of accuracy. An ROV at the end of the fall pipe will be utilised to control the flow of rock to the seabed.

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Cable Installation - Amitie Subsea Cable System

Alcatel Submarine Networks UK Ltd.(ASN) has been contracted to carry out construction activities of the AMITIÉ cable system.The AMITIÉ cable system spans nearly 6,600 km in total with the initial UK landing point in Widemouth Bay, near Bude, Cornwall. These operations are due to commence on the 17th October 2021, utilising the vessel Ile de Brehat call sign: FOUC and will last approximately 1 week.

The main lay cable installation activities between the landfall at Bude, Cornwall, out to the UK Exclusive Economic Zone (EEZ), were completed on 7th October 2021. A burial report was submitted to the MMO on 10th September 2021 in line with condition 5.2.19. Post-lay inspection & burial (PLIB) operations are due to take place at three locations and post-lay inspections (PLI) are due to take place at ten locations within the UK EEZ.

 

These operations are due to commence on the 17th October 2021, utilising the vessel Ile de Brehat call sign: FOUC and will last approximately 1 week.

 

The exact start and finish date will be dependent on the prevailing weather conditions and work progress.

 

It is requested that all vessels operating within this area keep their distance, maintaining at least a 500 m exclusion zone, and pass at minimum speed to reduce vessel wash.

 

Notice of Post-Lay and Burial Works

Please be aware, there are three sections of the Amitié cable within UK Exclusive Economic Zonewhich are subject to the Post Lay Inspection and Burial (PLIB) which will be carried out by the Ile de Brehat, commencing on the 17th October 2021

 

Nature of Operations

The vessel Ile de Brehat will be operating from approximately 270km from the landfall at Widemouth Bay, Bude, UK, out to the limit of the UK EEZ conducting the PLIB and PLI operations. These operations will be conducted on an ongoing 24 hour basis. A listening watch will be maintained on VHF Channel 16, and the vessels will actively transmit an AIS signal.

 

 

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Power Outage - Ormonde Offshore Wind Farm

POWER HAS NOW BEEN RESTORED ALL NAVIGATION AND AVIATION AIDS ARE WORKING AS NORMAL

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Survey - Britannia Pipeline at St. Fergus Gas Terminal

Operations of an Unmanned Surface Vessel (USV) X 14 are planned in the vicinity of the PL1270 Britannia Pipeline at St. Fergus Gas Terminal expected during w/c 18 October 2021 for 1 day. The USV will be mobilised at Peterhead, from where it will transit to St. Fergus in order to carry out the nearshore pipeline inspection survey.

The USV will be under 24/7 control from a remote control centre. The vessel is equipped with an AIS transceiver, an active radar reflector, navigation lights (port, starboard, all round white), and cameras with 360⁰ visual capabilities. It is requested that otherusers remain clear of the vessel during survey operations.

 

NOTE: This is a non-intrusive survey, and no contact with any pipe, adjacent pipe or the sea bed is planned during this survey.

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Hazard - Potential Anchor

Heavy Weight dropped from a French Trawler, potentially a dropped anchor.

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Shetland HVDC Link (Noss Head HDD Operations)

Extension of Works: NKT, on behalf of Scottish Hydro Electric Transmission Plc, will be undertaking diving operations at Noss Head to assist with the horizontal directional drilled (HDD) exit points for the Shetland HVDC Link. The works are located approximately 400m offshore in around 19m of water.

The moorings have been deployed and will remain on site until the estimated completion date of the 30th October 2021. The locations of the moorings have been provided in this notice and charted in the attached NtM. Onshore HDD operations are taking place for three pipe ducts to be installed with trajectories that will emerge at the seabed around 400m offshore within the area identified as ‘Mooring Extent’ detailed in this notice, and shown in the attached NtM. Vessels are required to continue to maintain a safe distance from the ‘Mooring Extent’ area until the estimated completion date of 30th October 2021.

  • Within the boundaries of the mooring area, steel ducts have been pushed out from each of the three HDD exit points and extend up to 10 m into the water column at an angle of approximately 9º to the horizontal as shown in the NtM.
  • The RONA or Pulsar shall conduct a high-resolution survey of the HDD exit point. The Survey will involve the use of Multibeam Echosounder (MBES) and Sidescan Sonar (SSS). Most of the survey work has been completed however further survey work of this nature may take place before the estimated completion date.
  • The mooring spread has been installed for the dive vessel ISLE OF JURA to anchor when on station. The NtM shows the mooring and anchoring system when the ISLE OF JURA is on station for duct diver support works. There will be times when the mooring system is left in situ without the vessel attached.
  • The dive vessel ISLE OF JURA will leave its position temporarily and return to station in September to complete the remaining 4-5 day work phase for the vessel, the mooring system will remain in situ during this time.
  • When the mooring is left in situ all anchors will be clearly surface marked with marker buoys over the moorings. The size of the buoys is approx. 1.2m diameter and 1m high.
  • The buoys have lights Fl Y 5s 2M range (a single yellow flash every five seconds with a nominal range of 2 miles).
  • The buoys do not have radar reflector.
  • The vessel will display the Alpha flag during daylight and Red/White/Red lights during the hours of darkness.
  • The protruding ducts will be cut close to the seabed prior to the moorings being removed by the estimated completion date of 30th October 2021.
  • The moorings and anchors will only be of a temporary nature, once the installation works are completed, the mooring and anchors will be fully recovered.

 

Navigational Safety

All vessels are requested to always maintain a safe distance (500m) from the construction and survey vessels.

 

STAY A SAFE DISTANCE AWAY FROM DIVE FLAGS. Maintain a distance of at least 300 feet (90m) from diver down flags and buoys in open water and at least 100 feet (30m) in inlets or navigation channels.

 

Vessel (Isle of Jura) will display the Alpha flag during daylight and Red/White/Red lights during the hours of darkness.

 

The buoys are illuminated with the appropriate lights, a single yellow flash every five seconds with a nominal range of 2 miles (Fl Y 5s 2M range).

 

All vessels are required to comply with the COLREGS, especially rules 16 and 18 as the vessel will be restricted in her ability to manoeuvre.

 

Legal Notice Please be advised that this Notice to Mariners should be treated as official notice of the nature, duration and location of the works which are scheduled to take place. During the period of this notice, failure to remove equipment or entry into the identified location in a manner that would constitute a hazard to the operations described may be considered a breach of the Convention on International Regulations for Preventing Collisions at Sea 1972 and/or the Merchant Shipping Act 1995 (a breach of which can carry criminal sanctions).

 

Additionally, should any failure to remove any equipment within the notified location, or the presence of any vessel, prevent, obstruct, or delay the works, Scottish Hydro Electric Transmission Plc may consider taking legal action to remove the obstruction and/or seek damages for any delay, in addition to any legal costs in doing so.

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Drilling Activity - Valaris 122 at Jaws

The Valaris 122 (jack up drilling rig) will be conducting drilling and completion operations at the Jaws field on the 22/12D-Jaws well. The Valaris 122 will be drilling at a standalone location in the Jaws field on a single well campaign. The total duration of drilling and completion activities is expected to last approximately 145 days.

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Rig Move - Valaris 122

The Valaris 122 (Jack-up drilling rig) will be moving from the Shearwater Field to the Jaws Field. The Valaris 122 will be jacking up at the new well location (open-water) in preparation for drilling and completion activities.

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Survey - Leverett

A rig site survey at the Leverett prospect in block 21/3d.

The purpose of the surveying work shall be to determine the seabed and geological conditions at the proposed well location and identify any geological, topographical, shallow gas hazards or environmental conditions which could impair the satisfactory emplacement of a drilling rig at the defined location and the subsequent drilling operations.

2D HR Seismic Survey

Sub-Bottom Profiler Pinger survey

Echo sounder Survey

Multi- Beam Survey

Visual Survey drop Camera

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Main Lay & Rock Berms - Scylla Subsea Cable

Please be advised that all main lay works have been completed for the Scylla subsea cable project. Localised rock berms were deployed at each of the five cable and pipeline crossings. Where rock berm “start” is indicative of the Westernmost point and “end” indicative of the Easternmost point. The maximum width of the rock berms at time of lay does not exceed 30m.

Please note that the PLSE works at Lowestoft remain in progress up to approximately 4.25 km from shore. Fishing and anchoring should be avoiding in this specific vicinity until completion of works has been confirmed.

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Seagreen Export Cable nearshore protection works

Nearshore export cable protection works will take place at the Seagreen Offshore Wind Farm export cable landfall site at Carnoustie, Angus. The placing of rock bags on the seabed to act as temporary moorings to assist the installation vessels has now been completed. Work will now commence on the tow of 3 self-submersible pipes from Dundee harbour and installation at the export cable landfall site.

On behalf of Seagreen Wind Energy Ltd, Nexans Norway Dykkerteknikk AS will deliver nearshore export cable protection services and diving assistance in preparation for the pull-in of three export cables at the Carnoustie export cable landfall site. The export cable works are divided into 4 campaigns with an estimated completion date of the end of February 2022.

The first campaign is to install and trench 3 self-submersible cable protection pipes. Spool pieces have been connected to the three export cable ducts. 3 self-submersible cable protection pipes will now be connected to each of the export cable ducts. The three self-sub cable protection pipes will then be trenched awaiting export cable pull-in at a date to be confirmed. 

 

Installation activities and diving operations will take place from the MPV Sophie. The tug Cormorant and Multi Cat Aileen M will assist in the towing of the self-submersible cable protection pipes from Dundee and installation works at the landfall site at Carnoustie Beach.

The MPV Sophie, Cormorant and Aileen M are expected to commence installation and diving activities on or around Monday 06th September although this may be delayed due to weather conditions.

Temporary rock bag moorings have been placed on the seabed to be used during the selfsubmersible cable protection pipe installation and export cable pull-in. These temporary moorings will be surface marked by day-glo pellet buoys.

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Boulder Clearance and Relocation Works - Seagreen Offshore Windfarm

A boulder clearance and relocation campaign will take place within Seagreen Offshore Windfarm site boundary. An ROV with integrated grab tool will be launched using the vessels heave compensated crane to facilitate the relocation of pre-selected boulders from working areas. Any seabed debris located within working areas will also be relocated.

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Unmanned Surface Vessel Cable Route Survey - Irish Sea

Operations of a remotely piloted Uncrewed Surface Vessel (USV) are planned in the Irish Sea. Dates: 15th October 2021 for up to 10 days until 25th October 2021. The USV will be mobilised from Whitehaven Marina, where it will transit to/from the area of operation. During the operation the USV will be performing a Hydrographic Survey.

A support vessel will escort the USV throughout the operations from the harbour entrance and will then continue transiting towards the survey site until the area is safe & clear of hazards.

 

It is requested that other vessels remain clear, so far as is practicable, during transit & survey operations.

 

Although the vessel is uncrewed, it is managed throughout the 24hour operation piloted remotely using 360 degree cameras and other navigational aids.

 

The USV sends real time images and situational awareness data over satellite to a team of operators keeping watch and controlling the vessel remotely 24/7.

 

Safety Precautions: The USV is equipped with the following to make it conspicuous to other marine traffic:

  • AIS
  • Navigation Lights & Sound Signal
  • Active Radar Reflector
  • Superstructure Painted Yellow

 

Seafarers are asked to avoid contact with the vessel and be aware of the operational area during this period.      

 

 

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WISEX 2021 Trial - Campbeltown Harbour and Kilbrannan Sound

RNMB Halcyon will be conducted towed sonar operations in the vicinity of Campbeltown Harbour and Kilbrannan Sound. Vessels are requested to be mindful of this by navigating with caution and keeping a safe distance at all times.

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Rock Replacement Repairs - HVDC Interconnector Nemo Link

East of the “South Falls” in UK waters a section of the HVDC Interconnector Nemo Link is unprotected due to seabed mobility, therefore rock placement repairs are expected between the 26th to the 31st of October by the Vessel Flintstone.

All Mariners are asked to avoid this area during this period, if this is not possible, communication and a minimum distance of 500 m from the DPFPV Flintstone will be required.

 

The duration of the works is expected to be no longer than 48 hours

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Oil and Gas Debris - Whirlwind Wellhead location

Maersk Forza at the Whirlwind location. Debris present at the whirlwind well location are: Deadman anchor, fishing nets, gratings and Chicksan pipework. Plans to recover these Q4 2021.

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Servicing two Metocean Buoys - North & North West Cromer Southern North Sea

Partrac is to service two large metocean buoys (E03 and E13) currently deployed at two separate locations approximately 18 miles Northwest of Cromer and 28 Miles North of Cromer in the Southern North Sea. Servicing activities are estimated to be carried out over 3 days from the 21st of October 2021, weather permitting. The buoys may not be deployed on location for periods of this servicing work. The service work will be completed by the vessel Isle of Jura. Callsign: MFFY6. MMSI: 232021966

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Maersk Forza Wellhead Removal at the Lancaster 4z

Maersk Forza will be undertaking the Decommissioning of the Lancaster Wellhead from 1st October 2021 until 30th November 2021.

  • Transit to Lancaster.
  • Perform ROV as found survey
  • Connect rigging equipment to wellhead protective structure (WHPS).
  • Recover WHPS to vessel.
  • Deploy and engage cutting tool on wellhead
  • Perform wellhead cut 10ft below seabed.
  • Recover cutting tool and wellhead.
  • Perform ROV as left survey.
  • Demobilise vessel.
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Geophysical Surveys - ICENI (BT) Proposed Cable

A-2-Sea Solutions Ltd will be carrying out a geophysical and environmental survey in relation to the ICENI (BT) cable system.Survey areas are located between 8m LAT to 50m LAT(inshore of 60nm).The survey vessel,Cerys Line,will be towing equipment up to 100m astern from 13th October until 22nd December 2021.The vessel will maintain a navigation watch throughout survey operations. Appropriate signs and shapes will be displayed.Mariners are advised to proceed with caution during survey operations.

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Pre Lay Grapnel Run - Carnoustie, Angus

On behalf of Seagreen Wind Energy Ltd, Nexans AS will conduct pre lay grapnel runs along each of the three export cable routes between the cable landfall site at Carnoustie, Angus and the offshore sub-station platform location within the Seagreen site boundary. The PLGR vessel, Havila Phoenix is expected at site on or around the 16th of October with operations expected to be completed within six days weather conditions permitting.

The pre-lay grapnel runs are required to identify and remove, where possible, any obstructions to export cable lay and burial operations. Any debris will be brought ashore for disposal.

 

The pre-lay grapnel run train will be deployed to the seabed using the vessel's crane and will be monitored via transponder and can be further monitored using a remotely operated vehicle.

 

During this operation two turn-point anchors will be wet stored within the export cable corridor in the vicinity of the offshore sub-station platform location. These turn point anchors will be repositioned at a later date and used during export cable pull in works at the offshore sub station platform. The turn point anchors will be wet stowed and later deployed in the positions (coordinates are shown below). These turn point anchors will then be repositioned accordingly for each subsequent export cable pull-in operation. 

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Survey - 2 Africa Cable System

Fugro has been requested to undertake an environmental survey in UK, within the Hartland to Tintagel MCZ. This MCZ covers the cable route from nearshore and part of offshore area to near the territorial boundary. The purpose of this survey is to obtain environmental data required to support the Permit in Principle (PiP) applications for the 2 Africa system. The survey will begin 16th October using the vessel Severn Guardian call sign: 2FGL5

On arrival at each transect the drop down camera system will be i deployed for the duration of the entire length of the transect to record the seabed type and associated epibenthic communities. Longer deployments may be undertaken in complex seabed areas or to map the boundaries of particular features, such as a rock reef outcrop. The discretion of the field ecologists will be used as to final duration of the video deployment to ensure that the habitat and species variety is adequately recorded.

 

Sampling locations have been predetermined and agreed with the client prior to the start of the survey.  

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Deployment and operation Floating LiDAR System - Valorous Floating Offshore Wind Farm

To inform the engineering designs and Environmental Impact Assessments (EIA) for the proposed Valorous Floating Offshore Wind Farm (FLOW), a Floating LiDAR and associated mooring system is due to be deployed within the boundary of the proposed Valorous Floating Offshore Wind Farm (FLOW) project site.

The Floating LiDAR will be towed from harbour (Milford) and deployed at the location below. The works are expected to take place between the 15 October – 29 October.

 

The Floating LiDAR will be maintained in position via appropriate mooring systems for a 12-month period from initial deployment and will gather data to inform the proposed Project. Details of the device and relevant Aids to Navigation are provided below.

 

Floating LiDAR

 

Yellow in colour

 

Yellow ‘X’ shaped topmark

 

Fl (5) Y 20s light (5nm range)

 

Flash rate not exceeding 30 per minute.  

MMSI Number: 992351335 

 

 

Floating LiDAR Location

Degrees Minutes Seconds

 51°20'38.44" N  

 005°40'42.85" W

Degrees Decimal Minutes

 51° 20.641’ N

 005° 40.714’ W

 

The Floating LiDAR equipment will undergo regular scheduled maintenance during the operation period, further notice to mariners will be issued confirming the dates and maintenance activities.  

 

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Abandonment operations - Belinda

Well abandonment and wellhead severance operations at Belinda. The Maersk Forza will undertake well abandonment and wellhead severance operations at the Belinda 21/30-27 well in the Central North Sea. The work will be completed in two parts the first of which will commence around 15th October. The vessel will leave the field and return to complete the wellhead severance later in the month.

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Rig - Stena Spey

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

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Rig - Deepsea Stavanger

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

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Rig - Maersk 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 - Seafox 7

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

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Geophysical Survey - Sandettie Bank

G-Tec will be undertaking a geophysical survey from the Geo Focus. The survey will consist of multibeam echo sounder, side scan sonar, sub bottom profiler and magnetometer equipment within a 1km-by-1km square area on the Sandettie Bank. The survey is scheduled to commence on the 12th October 2021 until 29th October 2021. The survey will follow a linear line plan with a 50m tow and vessels should stand off 500m from the survey vessel.

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Havhingsten Fibre Optic Cable - Installation Activities

Cable installation vessel, CS Recorder, will be carrying out cable installation operations along the route of the Havhingsten cable in the Irish EEZ and UK EEZ. Due to weather delays, installation is now expected to resume from the 9 October, and continue until the 19 October.

Please be advised that installation of the Havhingsten fibre optic telecommunication cable system in the Irish Sea outside of the Irish 12 nautical miles is delayed due to weather downtime; works are expected to re-commence from the 9 October. Works within the Irish 12 nautical miles are planned from December 2021.

 

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 installed into landfalls on the Isle of Man. 

 

The cable route for the western Irish Sea region is shown below, landing at Loughshinny in Ireland. Works in October 2021 will be undertaken from the Isle of Man 12nm and will stop at the Irish 12 nautical miles.

 

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 region.

 

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

 

Expected speed of installation will be approximately 17 km per day.

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Survey - Dudgeon Extension & Sheringham Extension

Geo will be performing geotechnical operations on behalf of Dudgeon Extension Project and Sheringham Extension Project. The vessel Northern Ocean call sign: OYOJ2 will conduct operations within the period 21st October to 13th November 2021. The total quantity of operational time at the site is estimated to be approx. 22 days. Please note, that the works may incur periods where the vessel is not operating and also that the finalisation of the project can be delayed.

The following Scope of Work is planned carried out:

  • Up to eighty-two (82) seabed CPTUs and up to fifty-two (52) Vibrocores across the area. The vessel will be stationary on each location for around 2-6 hours
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Development Activity - Penguins Field

Penguins Field Development - Bundle XT Tie-ins and DC2 Bundle XT Tie-ins, Gas Export & Tybalt Tie-ins, Leak Test and De-watering, Rockdumping.

Seven Atlantic Vessel (Subsea 7) – De-Watering and Tie-Ins - Penguins Redevelopment Project - Infield 27/09/21 – Depart Field 25/11/21

  • DC2/DC3/DC4/DC5 Infield De-Watering and Controls Reconfiguration
  • Tie-In spools between Pan-W Towhead & DC2 Manifold
  • Tie-In spools between Pan-W Towhead & Pan-W XT
  • Pan-W Towhead & DC2 Manifold Controls Installation
  • PAN-W/DC2 Leak Test & Mattressing
  • DC3 Tie-Ins
  • DC7 Tie-Ins
  • Brownfield Scope – UT Checks
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Cement Overspill at Jacky Field

Cement over spill from historic drilling campaign. Noticed when Jacky platform was removed. This item could potential snag. Approximate size 4m x 5m. 2m in height.

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Havhingsten Cable Project - North Sea

Prior to rock placement there is a maximum of 50m of cable surface laid at each of the 4 crossings. It is advised that extra care is taken when vessels are operating near these areas and that no vessel should trawl within 250m from.

Please be advised that, installation of the Havhingsten fibre optic telecommunication cable system is complete outside of 12nm within the North Sea and at the Seaton Sluice landing. The Whitley Bay stub works are scheduled for March 2021.

 

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 cable route in the NE region is shown below. Landfall was made at Seaton Sluice.

 

Installation was via industry standard burial tools including water jetting and ploughing. Cable burial has been performed to a target of 2m.

 

The Havhingsten cable crosses 4 pipelines within the UK North Sea, which will require external rock protection. Post-rock installation is now expected in March 2021. The cable crossings start at approximately 72km offshore and beyond.

 

Prior to rock placement there is a maximum of 50m of cable surface laid with Uraduct protection at each of the 4 crossings. Coordinates of the crossings are provided in the table below. It is advised that extra care is taken when vessels are operating near these areas and that no vessel should trawl within 250m from the listed coordinates.

Crossing

Approximate distance offshore (km)

Latitude

Longitude

CATS

72

55°15.8028’ N

000°21.9318’ W

Norpipe

113

55° 19.1679’ N

000° 16.0266’ E

Sleipner to Easington

140

55° 22.3375’ N

000° 40.9323’ E

Shearwater to Bacton

198

55° 30.7194’ N

001° 34.1236’ E

 

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WI Riser Recovery & Gas Export Riser Installation - Pierce Field

Recover 10" WI Riser and install new Gas Export Riser using the vessels: Seven Oceanic & Seven Atlantic from 5th November until 24th November 2021.

Seven Oceanic CSV (Subsea 7) – Pierce Gas Export Riser Installation – Infield 05/11/21 – Depart Field on 13/11/21

  • Recover 10” WI Riser
  • Installation of Gas Export Riser

 

Seven Atlantic DSV (Subsea 7) – Pierce Gas Export Riser Tie-Ins  – Infield 18/11/21 – Depart Field on 24/11/21

  • Barriers at Pierce SSIV
  • Tie-In Gas Export Riser to Pierce SSIV
  • Riser Leak Testing
  • Dewater Riser
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Survey - Irish Sea, West of Blackpool UK

Mariners are advised that survey vessel and equipment will be used in the offshore area in the Irish Sea, west of Blackpool, UK. The offshore geophysical survey work will be carried out by MMT using survey vessels Northern Franklin Cal Sign: OZIH2. Work will commence in the UK waters from 15th October until approximately 15th of November.

During this survey the vessel will be deploying underwater survey equipment at which such times, the survey vessel will be restricted in its ability to manoeuvre and approaching vessels are requested to pass at a safe speed and distance. Mariners are advised to keep an aft safety clearance of the survey vessel no less than 500m

 

The vessel will be towing 3 items of equipment and they will be approximately 150 m astern of the vessel. The vessel towing speed will be approximately 3.5-4.5 knots.

 

Morecambe is a 480MW offshore wind farm, and is owned by Offshore Wind Ltd (OWL) a joint venture between Cobra Instalaciones Servicios, S.A., and Flotation Energy plc. This survey is the Phase-1 Geophysical Ground Investigation of the wind farm site.

 

The geophysical survey work will be conducted with hull mounted Multibeam sonar and a sub-bottom profiler with towed sidescan sonar and TVG (dual magnetometer). Additional geo-sparker and PAM equipment will also be towed from the vessel.

The geophysical survey work in the area will be carried out by MMT using offshore survey vessel Northern Franklin.

An Offshore Fisheries Liaison Officer will be onboard during the works, contactable on VHF channel 16  

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Geotechnical Site Survey - Block 41/5

Geotechnical Site Survey in block 41/5: 1 borehole and 3 CPT's.

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CNOOC Buzzard Phase II - Pipeline Commissioning Vessel Activity

The MMA Pinnacle is due to mobilise 13 October 2021 to provide commissioning support. The vessel will be working at the Buzzard Platform 500mz and Northern Terrace Manifold.

The MMA Pinnacle is due to mobilise 13 October 2021 to provide commissioning support. The vessel will be working at the Buzzard Platform 500mz and Northern Terrace Manifold. This work is expected to be concluded by 12 November 2021.

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Survey - Morgan (North) & Mona (South) - Eastern Irish Sea

Survey is now completed. Please see attachment and Description below regarding Deployment of METOCEAN and FLOATING LIDAR BUOYS

Position of the two METOCEAN BUOYS  (Deployment on or around Wednesday 20th October)

 

MORGAN (North) Lat 53°     59.71' N           Long 003°     59.73' W

 

   MONA (South)   Lat 53°      40.27' N           Long 003°     53.77' W

 

Description of Buoys : Yellow ‘X’ shaped topmark, Yellow in colour.  

 

Characteristics of Buoys  :  FI (5) 20s light (3.5nm range)  Flash rate not exceeding 20 per minute

……………………………………………………………………………………

 

Position of the two FLOATING LIDAR BUOYS (Deployment week commencing Monday 15th November)

 

MORGAN (North) Lat 53°     59.52' N         Long 003°     59.40' W

 

    MONA (South)   Lat 53°     40.08' N          Long 003°     53.44' W

 

Description of Buoys : Yellow ‘X’ shaped topmark, Yellow in colour.  

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Rock placement at all turbine positions - Burbo Bank 2 wind farm

The Rock Placement Vessel ‘ROLLINGSTONE’ is now on-site the Burbo Bank 2 wind farm Rock Placement, extending out for approx. 10 meters around the base at each of the Turbine Positions including the Sub Station, will start at the North Westerly corner of the Wind Farm. Please contact me if you require any further info. 07903 173 624

AT ALL TIMES WHILE ON-SITE A WIDE BERTH, MINIMUM 500METERS, IS REQUESTED AROUND THE ROCK PLACEMENT VESSEL 'ROLLINGSTONE'

 

NOTICES WILL BE PUBLISHED DAILY AND FISHERMEN ARE REQUESTED NOT TO ENTER THE WIND FARM OR SET ANY STATIC GEAR WITH 500 METERS OF ANY TURBINE POSITION UNTIL YOU HAVE BEEN NOTIFIED THAT THE AREA IS CLEAR

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Deployment of metocean buoys and Floating LiDAR buoys

Two metocean buoys will be deployed around 20 October, one to the Mona Project site and one to the Morgan Project site. For the deployment, the vessel will be onsite for a maximum of 24 hours at each site. Two floating LiDAR buoys will be towed to the Mona Project site and the Morgan project site for deployment week commencing 15 November, and the vessel will be onsite for a maximum of 24 hours at each site.

Metoceans buoy and floating LiDAR buoys are due to be deployed within the boundary of the proposed Morgan (North) and Mona (South) Offshore Wind Farm Project sites in the Irish Sea. Two metocean buoys will be deployed around 20 October, one to the Mona Project site and one to the Morgan Project site, depending on vessel availability. For the deployment, the vessel will be onsite for a maximum of 24 hours at each site. Two floating LiDAR buoys will be towed to the Mona Project site and the Morgan project site for deployment week commencing 15 November, and the vessel will be onsite for a maximum of 24 hours at each site.

 

The equipment will be maintained in position via appropriate mooring systems and will gather metocean data to inform the proposed Project. Details of the devices and relevant Aids to navigation are provided below.

 

The metocean buoys and floating LiDAR equipment will undergo regular scheduled maintenance during the operation period, where vessels may be onsite for 1 day at a time; further notice to mariners will be issued confirming the dates and maintenance activities. During the Floating Lidar servicing it will be towed to port for servicing prior to redeployment. Details of the anticipated scheduled maintenance dates are provided in Section 4 below, please note that these are currently the expected timings.

 

All vessels are requested to maintain a safe distance (500m) from the installation vessels (Vital or Vector) at all times. All vessels are requested to maintain a safe distance (200m) from the monitoring equipment at all times.

 

Further details can be found within the attached Notice to Mariners.

 

Floating LiDAR buoy

Morgan MMSI: 992351369

Mona MMSI:  992351366

 

Metocean buoys

 Morgan MMSI: 992351368

 Mona MMSI:  992351367

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Notice to Mariners: Component exchange Rampion wind farm

RWE Renewables UK Ltd at Rampion windfarm would like to inform mariners that we are carrying out essential maintenance on the wind turbines. This work is due to commence on 20th October 2021 within the Rampion OWF Area, depending on weather.

RWE Renewables UK Ltd at Rampion windfarm would like to inform mariners that we are carrying out essential maintenance on the wind turbines.

 

This work is due to commence on 20th October 2021 within the Rampion OWF Area, depending on weather.

 

The works involve using a jack up vessel to exchange large components in the nacelle of the turbines at I12, I13, J12 and H14 using the vessel crane.

 

The current outline planning is as follows: Start Date: 20th October 2021 Vessel Name : DEME Neptune

 

The vessel will require a 200m exclusion Zone from its location at I12, I13, J12 and H14.

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Major Component Replacement - Lynn and Inner Dowsing Offshore Wind Farms

Lynn and Inner Dowsing (LID) Offshore Wind Farm wish to advise mariners that the Jack Up vessel Wind Enterprise call sign: OZTU2 is planned to commence works within the boundary of the wind farm on 09th Oct 2021. The duration of the work scope is planned to be no longer than 10 days subject to weather conditions. Mariners should maintain a safe distance of 500m from the Jack Up vessel when it is on station adjacent to the wind turbines.

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Geotechnical Survey - Moray West Offshore Windfarm Site Investigations

Moray Offshore Windfarm (West) Limited (Moray West) will be carrying out geotechnical site investigations in the Moray West Offshore Windfarm site and Export Cable Corridor. Geotechnical operations within the cable corridor are anticipated to commence on, and no earlier than, 4th October 2021, and survey duration is expected to be approx. 6 weeks. Geotechnical surveys are forecasted to be completed by 15th November 2021.

The exact survey duration and completion date will depend on weather and progress of the works

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Dropped Turbine Blade - Burbo Bank Wind Farm

Dropped Turbine Blade made of fibreglass. Dimensions 52m long, 4.2m width, 1m diameter at tip, weight 18 tonnes. Investigation ongoing and retrieval will be confirmed in due course.

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Deployment of FLiDAR buoys - Blyth NOAH met mast site

Fugro GM Marine Limited (Fugro) to carry out deployment of two floating LiDAR buoys at the NOAH mast offshore Blyth. The deployment of the equipment is is estimated week commencing 11 October and equipment will remain on site for an estimated duration of 30 days. Deployment operations are expected to take one day. Operations will be conducted with the Tees Guardian call sign: 2IJH2 and will involve towing the equipment from the Port of Blyth to the deployment site.

In addition to the deployment of two new buoys, operations will include the recovery and removal of a LiDAR buoy that is presently deployed at the same site.

The equipment will be located at the Blyth NOAH offshore Met Mast validation site.  

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.

 

The equipment is equipped with a F1 (5) Y 20 s light with 4-5 nautical mile range; the light is mounted at the top of one of the masts, approximately 4 m above sea level.  

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Umbilical Exposure - Blythe and Elgood

Short section of Umbilical exposed on seabed. An umbilical has been laid and trenched between Blythe and Elgood. However, there has been found to be a short section of exposure on the umbilical. A safety vessel, Allegiance SH90, has been assigned to monitor the area to advise vessels to keep clear until remediation can be undertaken. The vessel will keep a listening watch on Channel 16 throughout, and request vessels to keep clear.

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Recovery of dropped moorings within the proposed Erebus Site

An attempt to recover two moorings, estimated to be located within the approx. locations below, will be undertaken during October 2021. This date is subject to weather permitting, and therefore there may be the potential for an extension to the work duration.

A Remotely Operated Vehicle will be deployed to identify the moorings. The moorings will then be bought to deck and transported to shore.

 

Wave Buoy Mooring:

Before start of the ROV operation:

  • The vessel will run survey lines between original location and recovery position (see coordinates below).

ROV search locations

  • 51°28'35.34"N     5°36'8.10"W (original location)
  • 51°28'37.44"N     5°36'11.04"W (potential recovery position)

 

Damaged Mooring:

ROV search locations:

  • 51°27’45.29”N    5°37’7.32”W (original location)
  • 51°27'45.10"N     5°36'39.66"W (estimated release point)

In case the mooring system cannot be found at the above locations, a survey will be completed within the search area:

 

Description

Degrees Decimal Minutes

Degrees Minutes Seconds

Latitude

Longitude

Latitude

Longitude

NW

51° 27.777’ N

005° 37.152’ W

51° 27’46.74”N

005° 37’09.12”W

N

51° 27.757’ N

005° 36.832’ W

51° 27’45.42”N

005° 36’49.92”W

NE

51° 27.813’ N

005° 36.490’ W

51° 27’48.78”N

005° 36’29.34”W

SE

51° 27.758’ N

005° 36.488’ W

51° 27’45.48”N

005° 36’26.94”W

S

51° 27.703’ N

005° 36.837’ W

51° 27’42.18”N

005° 36’50.22”W

SW

51° 27.731’ N

005° 37.162’ W

51° 27’44.22”N

005° 37’09.72”W

 

 

These locations identified will be surveyed to ensure all possible known locations have been searched.    

 

A further NtM will be issued to confirm the outcome of the recovery attempt.

 

It is recommended that mariners continue to remain vigilant and make note of the approximate mooring locations.

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Survey - Teal West, Teal Valve Skid, Anasuria FPSO

Fugro Galaxy will be surveying the areas Teal West, Teal Valve Skid, Anasuria FPSO from 27th October 2021.

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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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Deployment of Spherical Directional Waverider Buoy - Northern North Sea

Shell deployed a new wave buoy in the Northern North Sea on 05-October-2021. Colour: Yellow, Size: 0.9 diameter, Fl: 5 10s

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Diving and Pipelay Activities - Everest Field

Tieback of the new LAD well to the existing Everest East Expansion subsea North Manifold will commence in October 2021 and continue through November & December 2021.

The following vessel will be carrying out construction activities between the Everest  East Expansion North Manifold and the new LAD well in Block 22/10a in the UKCS:

  • Seven Pacific (call sign 2DLM3) will be carrying out umbilical and flexible flowline installation works from approximately 11th October 2021 to 31st October.

 

 

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Deployment of ADCP Device - Berwick Bank Wind Farm

A Notice to Mariners (First Issue) for the deployment of a bottom mounted ADCP device recording metocean data at three locations within the proposed Berwick Bank Wind Farm array area. An associated guard buoy is currently deployed at each location. Expected arrival on site is mid-October 2021 with the works completed over three days; weather conditions permitting. We would like to extend the validity period from 12th October – 31st December 2021 to allow for any eventualities.

Mariners are advised that SSE Renewables will be deploying a bottom mounted ADCP device recording metocean data at three locations within the proposed Berwick Bank Wind Farm array area. An associated guard buoy is currently deployed at each location. All locations referred to are outlined in Table 1 and displayed Figure 1.

 

It is proposed that three stumpy moorings (M) and a near-bed frame (NB) will be installed on the sea bed within 175m to the three guard buoys which were installed during a previous wave buoy campaign. These locations are all within the Berwick Bank Wind Farm (BBWF) in the outer Firth of Forth on the east coast of Scotland. It should be noted that the near-bed frame will only be situated at one of these three sites at any one time.

 

The equipment will be deployed during October 2021, with an estimated start date for deployment set for the 14th October 2021. However, this may be subject to change due to weather and/or operational delays. The stumpy moorings will be deployed for 12 months with maintenance and monitoring completed at each three-month interval. The one near-bed frame will be deployed for three months at two sites and 6 months at one site, equating to a deployment duration of 12 months in total.

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Dogger Bank Wind Farms (A & B) - Nearshore Intervention Works

The Jack-up Barge Haven Seariser 4 and the backhoe dredger Abeko 2 will be carrying out dredging activities. Haven Seariser 4 will expose the four HDD exit points and form entry pits. Abeko 2 will excavate two pre-cut trenches for DBA and DBB cable route corridors

The Abeko Server 2 Will carry out dredging activity to form two pre-cut trenches for DBA and DBB cable route corridors using the on-board long reach excavator. There will be spoil management activities being carried out throughout, to ensure the soil heaps don’t reduce the water depth by more than a statutory 5%. She will be carrying out the excavation activities on DBA and DBB during the night. The duration of these works is estimated to be seven days. See fig 2 below.

 

The Haven Seariser 4 will also remain on site 24 hrs during operations, unless threatened by extreme weather, continuing diving operations. These may be carried out in the hours of darkness. A short safety message will be broadcast on CH16 advising of diving operations starting and ceasing.

 

The MTS Valour will be anchored in the field during the nearshore activities. She will remain on station/site during the night and manned 24 hours throughout. The MTS Valour will provide assistance during diving operations and any barge movements required.

 

The RHIB Celtic Mara will be carrying out Multi-Beam Echo Sounder (MBES) surveys of the seabed and along the pre-cut trenches throughout the dredging activities. The survey gear will be positioned on a side mounted pole and extended into the water. Celtic Mara will transit daily from Bridlington Harbour to the Haven Seariser 4 and Abeko Server 2

 

During survey operations the Celtic Mara will be restricted in her ability to manoeuvre. It is requested that all vessels give the Celtic Mara a 500m safety clearance zone and reduce speed when passing. She will display the appropriate lights and day shapes.

 

During dredging and diving operations it is requested that The Abeko Server 2 and Haven Seariser 4 be given a 500m safety clearance zone. Diving flag ‘Alpha’ and the appropriate lights will be displayed during diving operations.

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Dogger Bank A & B, Boulder Clearance Works

The survey vessel Noordhoek Pathfinder will undertake boulder clearance works along the Dogger Bank A & B export cable route and also within Dogger Bank A array cable area.

A Work-class Remotely Operated Vehicle (WROV) will be deployed from the vessel at each location to identify and relocate targets up to distances of around 100m.

 

During the operations the vessel will be restricted in its ability to manoeuvre and will display the appropriate day shapes and lights. Passing vessels are requested to maintain a minimum 500m safety distance from Noordhoek Pathfinder, reducing speed to minimise wake disturbance.

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Deployment of Wave Data Buoy

Deployment of a temporary Wave Data Buoy. On behalf of Seagreen Wind Energy Ltd. Seaway 7 will deploy a temporary Wave rider buoy to assist the Heavy lift vessel Saipem 7000 to install foundations. The Waver rider buoy will stay on location until the completion of foundation installation phase.

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Carradale - Arran South Subsea Power Cable areas of exposure

Mariners should be aware that the Carradale - Arran South subsea power cable has areas of exposure and suspension.

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Survey - at Corvette (Ref: 1319)

A 3 Day survey at Corvette between 12th October 2021 - 31st December 2021. Using the vessel Ocean Resolution Call sign: 3EIP9.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Limited

Ocean Resolution

3EIP9

 

12/10/2021 - 31/12/2021

For 3 Days

49

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Five Estuaries Offshore Wind Farm Project - Offshore Surveys

Five Estuaries Offshore Wind Farm Limited has contracted Fugro GB Marine Limited (Fugro) to carry out a geophysical and environmental site investigation in the North Sea for the proposed Five Estuaries Offshore Wind Farm (FEOW) site.

Fugro Mercator - Offshore Geophysical Survey

The geophysical operations at the Five Estuaries site are expected to be carried out from the Fugro Mercator from 5 th August 2021 for approximately 14 weeks.

 

Fugro Mercator will be conducting operations across the Main Array and Export Cable Route areas >10m LAT. 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 500m safety zone around the survey vessel, and pass at minimum speed to reduce vessel wash.

 

A continuous listening watch will be conducted on VHF Channel 16.

 

Survey operations will be conducted on a 24-hour basis.

 

Curtis Marshall - Environmental Survey

The environmental operations at the Five Estuaries site are expected to be carried out from the Curtis Marshall from 2 nd November 2021 for approximately 2 weeks. Curtis Marshall will be conducting operations across the Main Array and Export Cable Route areas both offshore and nearshore. Please note that the exact start and finish date will be dependent on the prevailing weather conditions and work progress. 

 

As the Curtis Marshall will be deploying equipment astern of the vessel, 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.

 

A continuous listening watch will be conducted on VHF Channel 16.

 

Survey operations will be conducted on a 24-hour basis.

 

Fugro Seeker - Nearshore Geophysical Investigation

 

The geophysical operations on the Five Estuaries export cable route from the 10m LAT contour inshore to the potential landfall, are expected to be carried out from the survey vessel Fugro Seeker from 1 st August 2021 for approximately 6-7 weeks. Please note that the exact start and finish date will be dependent on the prevailing weather conditions and work progress.

 

As the Fugro Seeker 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.

 

A continuous listening watch will be conducted on VHF Channel 16.

 

Survey operations will be conducted on a 12-hour basis.

 

 

See detailed map on our bulletin website
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Abandoned Well - 205/26b-14

No structures left on the seabed – decommissioned fully.

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Inch Cape Offshore Met Mast AIS currently non-operational

Please be advised that the AIS on the Inch Cape Offshore Met Mast is currently non-operational. The marine navigation lights, foghorn, aviation lights remain operational. This fault will be investigated and notification provided once the AIS is operational again. 

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Landfall Works at Boygrift - Viking Link Project

Mariners are advised about landfall works at Boygrift, Lincolnshire (English Landfall) planned for the Viking Link project which is an HVDC electricity transmission interconnector between Denmark and England, a joint venture between National Grid and Energinet. The cable landfall works include excavation works, diving operations, wet stored HVDC cable recovery and cable pull-ins. The landfall marine works are ongoing with expected completion in UK waters by the end of October 2021.

The landfall works cover the preparatory works and the cable pull-in work. Part of the preparatory work includes excavation works at the end of the ducts previously installed and a trench excavation at roughly 300m from the pipe ends. Diving work, including inspection and preparation activities to previously installed ducts are also foreseen. Marker buoys will be placed to mark the area where dredging work and spoils will be temporarily located.  

Additional marker buoys will be laid at 50m distance

 

The recovery of wet stored HVDC cable and HVDC cable pull-in are planned to start on September 28th and will be performed by Asso.subsea under Prysmian PowerLink supervision using Atalanti (IMO 8661616; Call Sign 5BYY2).

 

The preparatory works are being managed by Prysmian PowerLink carried out by GPC Cumbria using the following vessels:

  • Abeko Server 2 call sign: PEDD - as the main marine support platform for the excavation works
  • Severn Supporter (Multicat) call sign: MHBD6 - for barge towage from mobilization port to site.
  • Vanishing point 2 call sign: 2FYL6 - for diving support & survey activities.
  • Charlie Girl, Mistral, CRC Galaxy, CRC Voyager, CRC Vanguard, NRH Thumper, CRC Lodestar, CRC Hercules, Ariel, Argosy, Ant, Dec, Ben, Bill, Green Goddess- for support boats for the management of cables installation as well as for the MBES survey works
  • Ulisse call sign: 9HA4326– As logistic support vessel

Vessels are requested to pass at a safe speed and distance and fishing vessels are advised to remain a safe distance, approximately 1000m from the areas identified. Dive works will be ongoing and during the works the vessel will have restricted manoeuvrability as it completes its work scope.

 

The Communication between the JUB and rest of the vessels will be through CH67 & 72. VHF CH 16 will be monitored at all times and will be used to contact the coastguard in the event of an emergency.  

 

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Potential Dropped Objects - Hywind Scotland Offshore Windfarm

During ongoing maintenance activities at Hywind Scotland Offshore Wind Farm a significant defect has been identified with one of the Transition Piece cranes. The crane has the potential to become a dropped object. Whilst investigations continue into the route cause it is imperative that a 50m exclusion zone is observed around all 5 Wind Turbine Generators on the Hywind Scotland Offshore Wind Farm. This is to ensure the safety of any persons or vessels which may attempt to enter the 50m zone.

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Survey - Machar, Mungo and Murlach Site Survey (Ref: 1298)

A 14 Day Site Survey at Machar, Mungo and Murlach using the Olympic Delta call sign: JWOH3 between 06 October 2021 - 20th October 2021.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Ocean Infinity

Olympic Delta

JWOH3

N/A

06/010/2021 - 20/10/2021

For 14 Days

23,22

See detailed map on our bulletin website
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Seagreen Offshore Windfarm - Deployment of a Guard Vessel

Due to construction activity commencing within the Seagreen development site a guard vessel will be deployed.

In conjunction with the commencement of wind turbine generator foundation installation activities, Seaway 7 will deploy a site Guard Vessel on behalf of Seagreen Wind Energy Ltd. The vessel will be deployed on or around the 01st October and will make six hourly VHF radio broadcasts containing information regarding the Seagreen development, including installation activity, safety zone information and site demarcation buoyage information. The first guard vessel to arrive will be the Renown FR246.

See detailed map on our bulletin website
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Survey - Debris survey at Brigantine BR Platform (Ref: 1318)

A 3 Day Debris survey at the Brigantine BR Platform between 12th October 2021 - 31st December 2021. Using the vessel Ocean Resolution Call sign: 3EIP9.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Limited

Ocean Resolution

3EIP9

 

12/10/2021 - 31/12/2021

For 3 Days

49

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Survey - Bacton Nearshore Pipeline Inspection (Ref: 1306)

A 10 Day pipeline inspection survey between 1st October 2021 - 31st October 2021. Using the vessel Fugro Valkyrie Call sign: 2BWA9.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North) Marine Limited

Fugro Valkyrie

2BWA9

 

01/10/2021 - 31/10/2021

For 10 Days

52

See detailed map on our bulletin website
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Shallow Burial Area - NemoLink Subsea Power Cable

The Nemo Link Subsea Inteconnector which runs between Richborough (UK) and Zeebrugge (BE). Please be advised that Seagard will deploy a Guard Vessel on behalf of Nemo Link for the protection of a short section of lightly buried cable until which point that remedial protection works can take place. The Guard Vessel Glomar Arctic call sign: HO9083 will be on location from the 30th of September 2021. The section of cable being guarded is roughly 10m in length.

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Completion of Export Cable Burial Works - Neart na Gaoithe Offshore Wind Farm

Mariners are advised that Neart na Gaoithe Offshore Wind Farm Limited (NnGOWL) have completed cable burial works of the two export cables within the Neart Na Gaoithe (NnG) Export Cable Corridor. There are a small number of locations where sufficient burial was not possible and where rock protection will be required.

A subsequent notice to mariners will be issued regarding this work. Over-trawl trials will soon be undertaken where burial has been successful and will also be undertaken following the completion of rock protection installation. A notice to mariners will also be issued prior to this work commencing.

 

Area of Operations

The fishing gear exclusion areas have been reduced to the width of the export cable corridor

 

Vessels Associated with the Activity

 

Vessel name: 

Normand Pacific

Vessel role: 

Cable Burial Vessel

Call sign: 

LAXI7

Maritime Mobile Service Identity: 

257743000

On board contact: 

Contact name: Vessel Master

Email: pacific.master@n-pacific.solstadfarstad.com

Phone: +47 4768 8807

Onshore representative: 

Contact name: Knut Ove Emberland

Email: knut.ove.emberland@solstad.com

Phone: +47 5285 9553 / +47 9132 2633  

 

Two guard vessels are currently on site supporting the Neart na Gaoithe Offshore Wind Farm construction. The guard vessels will be two of the below, which can be contacted as follows, if required:

 

Vessel name: 

Cable Enterprise 

Vessel role:

Cable Installation Vessel

Call sign: 

2FOV9 

Maritime Mobile Service Identity: 

235093018 

On board contact: 

Contact name: Vessel Master  Email: ce.master@prysmiangroup.com  Phone: +44 779 8764403

Onshore representative: 

Contact name: Stefano Dalmasso  Email: sdalmasso@seaworldmanagement.com  Phone: +377 678 632642 

 

Two guard vessels are currently on site supporting the Neart na Gaoithe Offshore Wind Farm construction. The guard vessels will be two of the below, which can be contacted as follows, if required:

 

Vessel name: 

Morning Dawn 

Vessel role: 

Guard Vessel 

Call sign: 

MHEU3 

On board contact: 

Contact name: Vessel Master  Email: bridge@morning-dawn.co.uk  Phone: + 33 640 047722 /  +44 1779 400158  

 

Vessel name:

Seagull 

Vessel role: 

Guard Vessel 

Call sign: 

MVBO2

On board contact: 

Contact name: Vessel Master  Email: seagullbf74@gmail.com  Phone: +44 (0) 1261 878040 / +44 (0) 7895 919100

 

Vessel name: 

 Artemis 

Vessel role: 

Guard Vessel 

Call sign: 

MVIX5 

On board contact: 

Contact name: Vessel Master  Email: concordebf47@aol.com  Phone: +44 (0) 7949 663790 / +44 (0) 1261 455461 

 

Vessel name: 

Tranquillity S

Vessel role: 

Guard Vessel 

Call sign: 

MJUH9 

On board contact: 

Contact name: Vessel Master  Email: spousekeil@yahoo.com    Phone: +44 (0) 1346 454758 

 

Port of Operation The Normand Pacific will mobilise from Middlesbrough, UK.  

 

Adverse weather conditions  Upon adverse weather conditions, if the Normand Pacific is not able to hold on position, it will seek shelter or return to Port.

 

General Safety Advice  Construction activities are ongoing within the boundaries of the Neart na Gaoithe Offshore Wind Farm.  Mariners are advised to refer to the NnG Weekly Notice of Operations where up to date information regarding activities on site is broadcast. A copy of this notice and the Weekly Notice of Operations can also be found at https://nngoffshorewind.com/downloads/ 

 

Marine Coordination Contact Details  The following contact can provide more information if required. Please note that specific queries can also be addressed to the relevant vessel or shore based representative.

Telephone number  (daytime): 

+44 (0) 1890 751415 (use Emergency contact only until further notice)  

Emergency contact (24/7):

+44 (0) 7508 421406 

Email: 

nng.mc@smchse.com 

Address: 

NnG Offshore Wind Farm Marine Coordination Centre, Gunsgreen Basin, Eyemouth,  TD14 5SD 

 

Fisheries Liaison  Fisheries liaison associated with the activity will be co-ordinated by Natural Power. For any commercial fishery queries please contact the NnG company Fisheries Liaison Officer (CFLO) Peter Berney, telephone: +44 (0)7391 402387 or email: NnG.FLO@naturalpower.com. An Offshore Fisheries Liaison Officer (OFLO) will be present on both the Norne and Cable Enterprise and can be contacted via VHF Channel 16. 

 

Distribution List  A central list of recipients is maintained by the company Fisheries Liaison Officer; if you are not the appropriate recipient of these notices, or do not wish to receive the notices in the future, please contact us at NnG.FLO@naturalpower.com. A copy of this notice can also be found at https://nngoffshorewind.com/  

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Buoy Installation - East Anglia One offshore Windfarm

East Anglia ONE Offshore Windfarm has carried out installation of a wave monitoring buoy. All mariners are requested to: Give 200 metres minimum clearance distance. Refrain from deploying any fishing gear in the vicinity. Under no circumstances moor/anchor to any part of the deployed mooring or buoy.

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Repositioning of Buoy - Firth of Forth (South Carr)

The South Carr buoy station will be re-established approximately 225 metres further North East. East Cardinal Buoy Fl Q (3) 10s. Black with Yellow Horizontal Band.

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Abandoned Well - 3/28-1

No structures left on the seabed – decommissioned fully.

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New 'Evelyn' Safety Zone now in force

The above subsea safety zone has now come into force due to the installation of equipment or a structure within the zone. This Safety Zone is include on FishSAFE v42.

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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 Move - 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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Rig - West Linus

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

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Dive and R.O.V. operations - Robin Rigg Offshore Wind Farm

Dive and R.O.V. surveys are to take place at all turbine positions inside wind farm perimeter. A safety distance of at least 500 metres is required around the dive vessel 'Katabatic' (Call Sign: MAMU2) at all times. Dive an R.O.V. operations will be carried out on 24hr basis.

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Presence of Crossing Matts over Shell Fulmar PL934

Presence of Crossing Matts over Shell Fulmar PL934. Dimensions: 6.0m x 3.0m x 0.15m & 6.0m x 3.0m x 0.30m

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Current profiler deployments - Pentland Firth

Two acoustic current profilers will be deployed to the seabed in Pentland Firth for a minimum period of 30 days before recovery The profilers will be deployed by the vessel 'C-Odyssey' (26m LOA). The current profilers will be depoyed to the seafloor and isolated from the surface. No riser lines or surface markers will be used.

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Habitat assessment & environmental baseline survey

A habitat assessment and environmental baseline survey will be carried out by the vessel Ocean Reliance. Survey techniques to be used: Hull mounted Multi Beam Echo Sounder (MBES), towed side scan sonar buoy in water depths <500m, buoy towed 10m above seabed, maximum 1,700m behind vessel.  Sediment sampling using dual Van Veen grab. Seabed photography using drop camera.

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Drilling Activity - Tolmount Development Area

Notice to alert sea users to the ongoing drilling activity of the Valaris 123 Jackup Drilling Rig at the Tolmount Platform in Block 42/28d .

The Tolmount minimum facilities platform has been installed on behalf of the Tolmount Development Project (comprising Premier Oil UK Limited, ODE Asset Management Limited and Humber Gathering System Limited (HGSL)) in UKCS Block 42/28d and an ERRV remains on location in field. 

 

The Valaris123 Jackup Drilling Rig is in position over the Tolmount platform, with drilling operations underway.  The Valaris 123  re-enetered the NE well on 26th September 2021 and and will drill to completion of the final Tolmount well.

 

The following rig movements will occur c. 25th October 2021:

  • The Rowan (Valaris) 123 Jack-up Drilling Unit will be leaving its current position (54 02 27.412 North 00 26 28.728 East) alongside the Tolmount Minimum Facilities Platform for a new assignment; and
  • The Rowan Norway Jack-up Drilling Unit will arrive at the Tolmount Minimum Facilities Platform and remain on location until 28 February 2022.

     

See detailed map on our bulletin website
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Construction work - Seagreen Offshore Windfarm

On behalf of Seagreen Wind Energy, Seaway 7 will commence installation of 114 three legged suction caisson foundation structures. The foundations will be towed from Nigg,Cromarty Firth.On arrival at site the foundations will be installed by the Heavy Lift vessel Saipem 7000.The tug Nicobar will assist the Heavy Lift vessel with barge mooring operations.Foundation grouting operations will take place from the vessel EDT Hercules. Installation is expected to commence on or around 1st October 2021.

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DSV Seven Pegasus - Marine Installation Activity (Blythe, Elgood and Thames Pipeline)

Diving and construction activities being undertaken by DSV Seven Pegasus around Blythe, Elgood and the Thames Pipeline. The vessel will be undertaking dive operations in the vicinity of Blythe, Elgood and the Thames Pipeline.  The vessel will perform various installation, tie-in, mattress laying and metrology activities using divers and ROV. All activities will be performed by the dynamically positioned Dive Support Vessel Seven Pegasus.

The vessel will be undertaking dive operations in the vicinity of Blythe, Elgood and the Thames Pipeline.  The vessel will perform various installation, tie-in, mattress laying and metrology activities using divers and ROV

 

All activities will be performed by the dynamically positioned Dive Support Vessel Seven Pegasus

 

Call-sign: A8SH2, MMSI: 636 014 212

LOA: 132 metres, Breadth: 22 metres

 

The vessel will be using twin diving bells to deploy the divers and the crane to manoeuvre and install subsea equipment.  The vessel will also be using a remotely operated vehicle (ROV) in the water.  These activities this will severely restrict her ability to manoeuvre.

 

During all diving operations, the vessel will be flying flag Alpha with restricted movement and unable to perform course changes or manoeuvring.

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Pelagic ecosystem survey in western Channel and eastern Celtic Sea (PELTIC)

RV Cefas Endeavour (Call Sign: VQHF3) intends to undertake an annual fishing survey for stock assessment between 4th October 2021 until 7th November 2021. This is an annual acoustic and trawl survey mapping and quantifying the small pelagic fish community for stock assessment and monitoring the health of the ecosystem.

RV Cefas Endeavour (Call Sign: VQHF3) intends to undertake an annual fishing survey for stock assessment between 4th October 2021 until 7th November 2021. Survey operations will include the sampling of water at pre-determined sampling stations and mid-water trawls along pre-determined transects (the location of the trawls along the transect will be determined when on-site through the detection fish schools). Where static fishing gear is believed to be present in the vicinity of these operations, fishermen are requested to advise the vessel (and/or the designated contact below) with positions of such gear in order for it to be included within the survey planning.

See detailed map on our bulletin website
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XOCEAN USV Survey Operations - Irish Sea

Operations of remotely piloted Uncrewed Surface Vessels (USVs) are continuing in the Irish Sea, operating out of Carlingford Lough and Rhyl / Beaumaris harbour. There will up to 3 USV’s operational at any one time. Vessel details are listed in the linked attachment, with each weighing 750kgs, 4.5m in length, a beam of 2.2m and travel at 3.5kts. Operations will take place subject to weather from Sept to Nov 2021. A support vessel will escort the USV from the active ports to the port limits.

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Walney wind farms - rock placement at all turbine positions

A programme of work to protect the underwater fittings at the base of each turbine within the Walney wind farms is scheduled to start shortly. This will involve rock placement extending out for approx. 10 meters at the base of the turbines, including the offshore sub-station.

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Skye - Harris Subsea Electricity Cable

Mariners should be aware that a new subsea electricity cable between Ardmore (Skye) and Beacravik (Harris) has been installed within the corridor indicated. Charts and other datasets will be updated to reflect this new cable route once final as-laid positions have been received.

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Removal of Rosebank Field Metocean Monitoring Buoys

Buoys that were installed at the end of 2019, are now planned to be recovered before the end of 2021 - latest indication is late October / early September for recovery. They include: 3 x metocean monitoring buoys in the Rosebank Field area and 3 x subsurface buoys at depths of 40m, 160m, and 630m.

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Dredging - Area 457

Dredging will commence on the 1 October 2021 for a period of 10 weeks in the call off zone within Marine Aggregate Licence Area 457 (MA234). Dredging within this area is restricted to two active zones and a third call off zone. In order for dredging to occur within the third call off zone, at least 6 weeks notice is required prior to dredging can commence. In order for effective implementation and notification, this notice provides sufficient time prior to dredging is scheduled to commence.

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Carradale - Arran North and South Subsea Cables Charting Errors

The charted locations of the Carradale to Arran subsea electricity cables in the Kilbrannan Sound may be inaccurate and are being reviewed. Any corrections required will be issued as soon as possible. Mariners should be aware that the true cable locations may be up to ~300m from the presently charted positions. The location of this hazard notice is not indicative of any true cable location and is for information only.

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Areas of Exposure & Suspension - Carradale to Arran North Subsea Cable

Mariners should be aware that the Carradale to Arran North cable has areas of exposure and suspension.

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Seagreen Offshore Wind Farm – Deployment of Site Demarcation and Wave Data Buoys

Demarcation buoys have now been deployed to mark the boundary of the Seagreen offshore wind farm. Three wave data buoys are also deployed inside the site boundary.

On behalf of Seagreen Wind Energy Ltd, Seaway 7 have deployed temporary construction site demarcation and wave data buoys. The Seagreen Offshore Windfarm is now marked and lit as a construction area for the duration of the construction phase. A combination of cardinal and special marks have been deployed displaying the appropriate light and shape characteristics. The coordinates of each buoy are specified below and at the request of NLB, the cardinal marks at each corner of the development site will transmit via Automatic Identification System (AIS). Three wave data buoys have also been deployed within the confines of the construction area. MARINERS ARE REMINDED to navigate with caution and keep continued watch on VHF Ch.70/16 when navigating the area.

See detailed map on our bulletin website
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Drilling Activity - Ocean Endeavor at Penguins (Tybalt)

The Ocean Endeavor (semi-submersible drilling rig) will be conducting drilling and completion operations at the Penguin field on the Tybalt well. The Ocean Endeavor will be drilling at the Penguin field for the first of a multiple well campaign. The total duration of drilling and completion activities is expected to last approximately 70 days.

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Deployment of Buoy - Off Sizewell

Recording Oceanographic equipment will be moored from 1st September 2021 until 31st March 2023. There will be a Waverider Buoy and a yellow Class 2 Guard Buoy at the site. Both buoys fitted with a yellow light exhibiting the sequence Fl Y (5) 20s

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Survey - Hewett Pipelines Nearshore Survey (Ref: 1296)

A 5 Day survey of the Hewett Pipelines Nearshore between 20th September 2021 - 31st December 2021.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

ENI UK Limited

TBC

N/A

20/09/2021 - 31/12/2021

For 5 Days

48, 52

See detailed map on our bulletin website
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Hazard UXO - Circle North 2

Confirmed Unexploded Ordnance discovered close to the Circle North 2 Cable in 32m depth of water. Dimensions 670mm(L) x 280mm(W). UXO Safety Procedures Actioned a 50m Radius Exclusion Zone.

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WTG Installation and Commissioning - Moray East Windfarm

Moray Offshore Windfarm (East) shall commence WTG installation on the previously installed jackets. WTG’s will be installed by the JUV Blue Tern. Once the WTG’s have been installed Acta Centaurus will transfer teams of technicians using a walk to work system to carry out commissioning works in readiness for energisation. Acta Centaurus will be supported by 2 CTV’s (HST Harri and Njord Forseti). Installation and commissioning works will commence circa 5th January 2021 until completion.

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Viking Link Project - Post-lay Installation Placement Works

Mariners are advised about post-lay Rock Placement works planned for the first section of the cable route, Campaign 1, planned for the Viking Link project which is a HVDC electricity transmission interconnector between Denmark and England, a joint venture between National Grid and Energinet. The Campaign 1 post-lay Rock Placement works covered by this notice are in UK waters and are planned to commence on the 12th September 2021 with expected completion by end of October 2021.

The post-lay Rock Placement for Campaign 1 is planned in the following areas:

  • Where pre-existing cables and pipelines are crossed by the Viking Link cable route
  • Where it’s requested rock placement for cable protection

The dynamic positioning system onboard will keep the vessel in position in order to progressively and accurately install the rock in the planned locations.

The Campaign 1 post-lay Rock Placement works are being managed by Prysmian PowerLink carried out by DEME Boskalis JV using the following vessels:

  • DPFPV Rockpiper call sign: 5BML3

The works covered within this Notice to Mariners (NtMs) are divided in the following activities planned to take place from:

  • Cable lay 17th September – 10th October 2021
  • Cable Burial 25th September – 4th December 2021

The route length of the main HVDC interconnector (2x bundles power cables + 1x Fibre Optic Cable) is in the order of 620km. The work covered by this NtM is covering the second campaign of 106km in length, starting from the end of the first campaign recently installed from the UK landfall, which encompassed the first 51km section

The Cable Lay works are being carried out by: Prysmian PowerLink using Leonardo da Vinci (IMO 9857315; MMSI 247415300; Call Sign IJVJ2).

 

The Cable burial works are being carried out by: Asso.subsea using Aethra (IMO 9181481; MMSI 212466000; Call Sign 5BHH4) using the trenching tool AssoTrencher IV and the Argo (IMO 9523366; MMSI 209023000; Call Sign 5BDF3) using the jetting tool AssoJet III and trenching tool AssoTrencher IV.  

 

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Survey - Munro, Katy & Murdoch Fields (Ref: 1310)

A 6 Day site survey at Munro, Katy & Murdoch Fields using the vessel Fugro Galaxy call sign: C6YY4 between 25th September 2021 - 31st December 2021.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB Marine

Fugro Galaxy

C6YY4

200m

2m

25/09/2021 - 31/21/2021

For 6 Days

44

See detailed map on our bulletin website
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Survey - Judy Riser Platform (Ref: 1309)

A 2 Day site survey at the Judy Rider Platform using the vessel Fugro Galaxy call sign: C6YY4 between 25th September 2021 - 31st December 2021.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB Marine

Fugro Galaxy

C6YY4

N/A

25/09/2021 - 31/21/2021

For 2 Days

30

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Survey - Hunter / Rita Site Survey (Ref: 1308)

A 6 Day site survey at Hunter / Rita using the vessel Fugro Galaxy call sign: C6YY4 between 25th September 2021 - 31st December 2021.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB Marine

Fugro Galaxy

C6YY4

200m

2m

25/09/2021 - 31/21/2021

For 6 Days

44

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Survey - Leverett Site Survey (Ref: 1316)

A 6 Day site survey at Leverett using the Vessel Ocean Resolution call sign: 3EIP9 between 3rd October 2021 - 31st January 2022.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Limited

Ocean Resolution

3EIP9

1200m

3m

03/10/2021 - 31/01/2022

For 6 Days

21

See detailed map on our bulletin website
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Valaris 121 to Dunnottar Field

Chrysaor plan to move the Valaris 121 Jack-up drilling rig from the Talbot field location to the Dunnottar field location to perform drilling operations on the Dunnottar 30/08-D exploration well. Throughout well operations there will be a dedicated ERRV on location monitoring the surrounding sea area.

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Deployment of 3 x ADCP monitoring equipment - off St. Catherine's Point, South of the Isle of Wight

As part of the Perpetuus Tidal Energy Centre (PTEC), European Marine Energy Centre (EMEC) will be deploying three ADCP units in close proximity off St. Catherine's Point, South of the Isle of Wight. Due to the nature of the deployment each unit will be considered as a navigational hazard. Care should be taken when navigating around the below positions.

Each unit will be laid in a string with a sinker at each end of the ADCP.  Each sinker will have a Polysteel riser line attached to it with a small yellow 250mm pickup bouy and float connected.  These buoys will be visible during slack tides and subsurface during the rest of the tidal cycle.

 

ADCP Positions:

Location ID Lat Long
1 50° 32.90802’N 001° 16.52784’W
2 50° 33.11514’N 001°16.63824’W
3 50° 33.02784’N 001°16.47804’W
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

GV Replenish

MASY7

As above

As above

1st May 2019 for approximately 34 months

GV BOUNTIFUL

MJLF4

As above

As above

30th April 2020 for approximately 20 months

NSL Challenger

As above As above 13th April 2021 until further notice

Windcat19

2ATD3

As above As above 20th August 2020 Until further notice

GV Kinnaird 

GHNE

As above

As above

16th July 2020 Until further notice

Acta Centaurus

As Above As Above 21st January 2021 until further notice
HST Harri As above As above 28th January 2021 Until further notice
Windcat 40 As above As above 4th Feb 2021 until further notice
Esvagt Wind 8 As above As above 2nd July 2021 until further notice
Njord Forseti As above As above 04th June 2021 Until further notice
Blue Tern As above As above 30th April  2021 until further notice
Esvagt Alba As above As above

2nd July 2021 until further notice

 

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Survey - NW Schooner (Ref: 1303)

A 2 Day Site Survey at NW Schooner using the vessel Fugro Galaxy call sign: C6YY4 between 23rd September 2021 - 31st October 2021

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Fugro (GB North) Marine Limited

Fugro Galaxy

C6YY4

N/A

23/09/2021 - 31/10/2021

For 2 Days

43, 44

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Survey - Central North Sea Regional Survey (Ref: 1300)

A 62 Day Central North Sea Regional Survey using the vessels SW Amundsen call sign: 5BXE2, Tess call sign: YJUV8 and MV Scorpio ZDRF7 between 20th September 2021 - 30th November 2021.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Shearwater GeoServices AS 

SW Amundsen

5BXE2

Tess

YJUV8

MV Scorpio

ZDRF7 

N/A

23/09/2021 - 30/11/2021

For 6 Days

19,20

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Plugging and Abandonment - Ketch A Platform

The Rowan Gorilla (Valaris) V Jack-up rig is currently undertaking well Plugging and Abandonment (P&A) activities at the Ketch 'A' platform (Quad/Block 44/28; until the completion of P&A activities (Q4 2021).

In parallel, the existing Ketch 'A' analogue Aids to Navigation (AtoN) are to be replaced with a new Solar AtoN. 

 

For the period 1 Sept - 31 Oct 2021,  THREE60 has received dispensation (from  the Standard Marking schedule) to permanently isolate the Ketch 'A' analogue Aids to Navigation for installation of a new Solar AtoN.

 

For the period 1 Sept - 31 Oct 2021,  the existing AtoN on the Rowan Gorilla (Valaris) V Jack-up rig will continue to be in operation and the existing onsite EERV will be actively monitoring the 500m zone to mitigate the risk of ship collision. 

 

The RGV rig will remain at the Ketch 'A' platform until Q4 2021 following completion of the P&A scope and installation of the Solar AtoN. 

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Shallow Burial - East Anglia One Export Cable Route

East Anglia ONE Offshore Windfarm request all vessels to strictly follow a 250m exclusion zone around EA1 Export Cables when dropping anchor or using fishing equipment in the following areas due to shallow burial.

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Sanday - Eday subsea cable installation

A new subsea electricity cable between Spurness (Sanday) and London Bay (Eday) has been installed. The cable is surface laid in proximity to the previous and now out of service cable.

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Eday - Westray subsea electricity cable installation

A new subsea electricity cable has been installed between Fersness Bay (Eday) and near Point of Geldibist (Westray). The cable is installed on the seabed in proximity to the previous and now out of service cable

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Cable Repair - Pentland Firth East Cable

Repair operations have commenced on the Pentland Firth East electricity cable. Mariners are advised that during these works the cable and temporary clump weights may be on the seabed or buried but with limited depth of cover.

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Decommissioning Activities – Plug and Abandonment (P&A) Activities on the Bessemer Installation

Planned Plug and Abandonment (P&A)  works are due to commence on the Bessemer (UKCS 49/23E). Works will be undertaken by the Jack up Barge 'Haeva' for a period of approximately 60 days.

The Jack up Barge Haeva, will depart from Galahad (UKCS 48/12BA) at 53°32.75'N 01°21.55'E  and transit to the Indefatigable Hub to the Bessemer Installation, where the planned Plug and Abandonment (P&A) will commence.

 

The P&A activity will take approximately 60 days and the Haeva is due to leave Bessemer around the 5th November 2021.

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Wave Buoy Deployment - London Array Offshore Wind Farm

A Wave Rider Buoy will be deployed onsite from 24th September until further notice as part of ongoing monitoring of offshore conditions to support operations. Spectrum Offshore will be engaged to deploy the buoy. Description of wave rider buoy: Yellow spherical buoy, transparent top dome with solar panels and flashing light. Weight: 197kg Size: 1.10m Diameter. The buoy is connected to a subsea weight on a surface line. Vessels are requested to always maintain a 250m clearance around the buoy.

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Notification of Seabed Hazard at Location NNG-H17 - Neart na Gaoithe Offshore Wind Farm

Mariners are advised that the Saipem 7000 (S7000) has successfully completed recovery of the previously left equipment within the boundaries of the Neart na Gaoithe (NnG) Offshore Wind Farm. The operation was completed on 17th August 2021 and the S7000 has departed site.

Mariners are advised that the Saipem 7000 (S7000) has successfully completed recovery of the previously left equipment within the boundaries of the Neart na Gaoithe (NnG) Offshore Wind Farm. The operation was completed on 17th August 2021 and the S7000 has departed site.

 

The equipment has been recovered from Wind Turbine Generator (WTG) location NNG-H17, however, a small section remains within the drilled socket.  This section protrudes approximately 3.1m above the level of the seabed, at the location specified in Table 6, and is to be cut at a later date.

 

The installed cardinal buoy, as notified in NtM 154 has been removed.

 

Vessels Associated with the Activity

One guard vessel is currently within the wind farm site. The guard vessel will be one of the below, which can be contacted as follows, if required:

Vessel name:

Seagull

Vessel role:

Guard Vessel

Call sign:

MVBO2

On board contact:

Contact name: Vessel Master

Email: seagullbf74@gmail.com

Phone: +44 (0) 1261 878040 / +44 (0) 7895 919100

 

Vessel name:

Artemis

Vessel role:

Guard Vessel

Call sign:

MVIX5

On board contact:

Contact name: Vessel Master

Email: concordebf47@aol.com

Phone: +44 (0) 7949 663790 / +44 (0) 1261 455461

 

 

Vessel name:

Tranquillity S

Vessel role:

Guard Vessel

Call sign:

MJUH9

On board contact:

Contact name: Vessel Master

Email: spousekeil@yahoo.com 

Phone: +44 (0) 1346 454758

 

 

 

 

General Safety Advice

Construction activities are ongoing within the boundaries of the Neart na Gaoithe Offshore Wind Farm.  Mariners are advised to refer to the NnG Weekly Notice of Operations where up to date information regarding activities on site is broadcast. A copy of this notice and the Weekly Notice of Operations can also be found at https://nngoffshorewind.com/resources/

 

Marine Coordination Contact Details

The following contact can provide more information if required. Please note that specific queries can also be addressed to the relevant vessel or shore-based representative.

 

Table 7 - Marine Coordination Contact Details

Telephone number (daytime):

+44 (0) 1890 751415 (use Emergency contact only until further notice)

Emergency contact (24/7):

+44 (0) 7508 421406

Email:

nng.mc@smchse.com

Address:

NnG Offshore Wind Farm Marine Coordination Centre, Gunsgreen Basin, Eyemouth, TD14 5SD

 

Fisheries Liaison

Fisheries liaison associated with the activity will be co-ordinated by Natural Power. For any commercial fishery queries please contact the NnG company Fisheries Liaison Officer (CFLO) Peter Berney, telephone: +44 (0)7391 402387 or email: NnG.FLO@naturalpower.com.

 

Distribution List

A central list of recipients is maintained by the company Fisheries Liaison Officer; if you are not the appropriate recipient of these notices, or do not wish to receive the notices in the future, please contact us at NnG.FLO@naturalpower.com.

A copy of this notice can also be found at https://nngoffshorewind.com/

 

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Construction of Wind Farm - Neart na Gaoithe Offshore Wind Farm Limited

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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Replacement Boulder Clearance Vessel - Neart na Gaoithe Offshore Wind Farm

Neart na Gaoithe Offshore Wind Farm Limited will replace the current boulder clearance vessel Sartor with the Vos Sweet (PCPE) from 10th August 2021, at the earliest to undertake remaining seabed preparation works within the Wind Farm Area.

Mariners are advised that Neart na Gaoithe Offshore Wind Farm Limited (NnGOWL) are due to replace the current boulder clearance vessel Sartor. The Sartor will be replaced by the Vos Sweet (PCPE) from 10th August 2021, at the earliest. The Vos Sweet (PCPE) will undertake the remaining seabed preparation works within the Wind Farm Area.

 

The Vos Sweet (PCPE), will carry out the remaining boulder relocation operations in preparation for installation of the inter array cables in the Wind Farm Area. The Sar Fame will be undertaking boulder relocation using a Subsea Multi-Tool Remotely Operated Vehicle with a grab.

 

Relocation of boulders in areas of inter array cable infrastructure is a critical pre-construction activity to reduce significant Health and Safety risks to the construction phase. Boulders will be relocated a short distance from their existing position only. Boulder relocation activities will take place within the Wind Farm Area in Figure 1.

 

Area of Operations

 

Mariners are advised that the Sar Fame will be mobilised to work within the Neart na Gaoithe (NnG) Wind Farm Area. The Wind Farm Area coordinates are provided in the table below. The remaining works are expected to last approximately four months, weather dependent.

 

Vessels are requested to remain at least 500 metres away from the work vessel.

 

 

LONGITUDE (DD.MM.MMM)

LATITUDE (DD.MM.MMM)

WIND FARM AREA

 

002° 09.898' W

56° 15.271' N

002° 09.255' W

56° 12.721' N

002° 13.998' W

56° 12.752' N

002° 16.293' W

56° 12.766' N

002° 19.628' W

56° 15.479' N

002° 20.055' W

56° 15.827' N

002° 20.232' W

56° 17.430' N

002° 17.826' W

56° 19.752' N

002° 16.518' W

56° 20.312' N

002° 14.910' W

56° 20.171' N

 

Schedule

 

The boulder relocation works commenced on the 2nd April 2021. The remaining boulder clearance works are expected to last approximately 4 months, until 30th September 2021, weather dependent.  It is currently anticipated that, weather permitting, construction works will be carried out on a continuous basis (i.e. 24-hour working, seven days a week) unless notified otherwise.

 

For updates on the progress of the works, information will be provided in the Weekly Notice of Operations available on the NnG project website here https://nngoffshorewind.com/resources/.

 

Vessels Associated with the Activity

 

Please be aware that by virtue of its mode of operation and the equipment deployed, the Sar Fame will at times be Restricted in its 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 the Sar Fame of 500 metres when it is undertaking its work and showing the appropriate shapes and lights.

 

Vessel name:

Vos Sweet

Vessel role:

Boulder Relocation

Call sign:

PCPE

Maritime Mobile Service Identity:

246609000

On board contact:

Contact name: Vessel Master

Email: bridge@vossweet.fleetvroom.com

Phone: +31 620 133192

Onshore representative:

Contact name: Bob Kingdon

email: bobk@hughes-subsea.com

Phone: +44 (0) 7956 222203

 

Vessel name:

Seagull

Vessel role:

Guard Vessel

Call sign:

MVBO2

Maritime Mobile Service Identity:

311947000

On board contact:

Contact name: Vessel Master

Email: seagullbf74@gmail.com

Phone: +44 (0) 1261 878040 / +44 (0) 7895 919100

 

Vessel name:

Artemis

Vessel role:

Guard Vessel

Call sign:

MVIX5

On board contact:

Contact name: Vessel Master

Email: concordebf47@aol.com

Phone: +44 (0) 7949 663790 / +44 (0) 1261 455461

 

Vessel name:

Tranquillity S

Vessel role:

Guard Vessel

Call sign:

MJUH9

On board contact:

Contact name: Vessel Master

Email: spousekeil@yahoo.com  

Phone: +44 (0) 1346 454758

 

General Safety Advice

 

Construction activities are ongoing within the boundaries of the Neart na Gaoithe Offshore Wind Farm.  Mariners are advised to refer to the NnG Weekly Notice of Operations where up to date information regarding activities on site is broadcast. A copy of this notice and the Weekly Notice of Operations can also be found at https://nngoffshorewind.com/resources/.

 

Marine Coordination Contact Details

 

The following contact can provide more information if required. Please note that specific queries can also be addressed to the relevant vessel or shore based representative.

 

Telephone number

(daytime):

+44 (0) 1890 751415 (use Emergency contact only until further notice)

Emergency contact (24/7):

+44 (0) 7508 421406

Email:

nng.mc@smchse.com

Address:

NnG Offshore Wind Farm Marine Coordination Centre, Gunsgreen Basin, Eyemouth,

TD14 5SD

 

Fisheries Liaison

 

Fisheries liaison associated with the activity will be co-ordinated by Natural Power. For any commercial fishery queries please contact the NnG company Fisheries Liaison Officer (CFLO) Peter Berney, telephone: +44 (0)7391 402387 or email: NnG.FLO@naturalpower.com.  An Offshore Fisheries Liaison Officer (OFLO) will be present on the Sar Fame and can be contacted via VHF Channel 16.

 

Distribution List

 

A central list of recipients is maintained by the company Fisheries Liaison Officer; if you are not the appropriate recipient of these notices, or do not wish to receive the notices in the future, please contact us at NnG.FLO@naturalpower.com. A copy of this notice can also be found at https://nngoffshorewind.com/.   

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Commencement of Pile Installation Campaign - Neart na Gaoithe Offshore Wind Farm

Mariners are advised that Neart na Gaoithe Offshore Wind Farm Limited (NnGOWL) is due to commence pile installation within the Neart Na Gaoithe (NnG) Wind Farm Area. The work is due to begin week commencing 14th June 2021, at the earliest.

In preparation for the jacket foundation installation, three piles for each wind turbine location and offshore substation  platform will be installed. The piles will be installed by the Saipem 3000 (S3000) (call sign: C6SW6) into pre-drilled  sockets. Pile installation support will be provided by the Skandi Acergy (call sign: LAFD7) offshore construction vessel, which will arrive to site in late June 2021. The Skandi Acergy will transfer supporting materials and installation equipment between positions on the seabed adjacent to each foundation location. On arrival at each location, the S3000 will collect and utilise this wet-stored equipment during pile installation.  Once the three piles have been positioned within the pre-drilled sockets, grout will be inserted to secure them in place.

 

A supply vessel will be utilised to transport piles to NnG wind farm, as required.  Further information on the vessel for each visit will be provided on the Vessel Report and Weekly Notice to Mariners available at https://nngoffshorewind.com/resources/.

 

Area of Operations

Mariners are advised that the S3000 will be mobilised from Rotterdam (NL) to work within the NnG Wind Farm Area.

 

All vessels are requested to remain at least 500 metres away from all work vessels and the static fishing gear remains as shown in the below table.

 

 

WIND FARM AREA

LONGITUDE (DD.MM.MMM)

LATITUDE (DD.MM.MMM

002° 09.898' W

56° 15.271' N

002° 09.255' W

56° 12.721' N

002° 13.998' W

56° 12.752' N

002° 16.293' W

56° 12.766' N

002° 19.628' W

56° 15.479' N

002° 20.055' W

56° 15.827' N

002° 20.232' W

56° 17.430' N

002° 17.826' W

56° 19.752' N

002° 16.518' W

56° 20.312' N

002° 14.910' W

56° 20.171' N

 

EXCLUSION TO STATIC GEAR

LONGITUDE (DD.MM.MMM)

LATITUDE (DD.MM.MMM)

002° 20.566' W

56° 15.680' N

002° 20.849' W

56° 17.468' N

002° 18.242' W

56° 19.938' N

002° 16.611' W

56° 20.613' N

002° 14.363' W

56° 20.392' N

002° 09.300' W

56° 15.334' N

002° 08.661' W

56° 12.651' N

002° 09.058' W

56° 12.405' N

002° 16.505' W

56° 12.410' N

 

Schedule

The pile installation work is due to begin week commencing 14th June, at the earliest. It is anticipated that the works will be completed by mid-December 2021, weather dependent. 

 

Weather permitting, construction works will be carried out on a continuous basis, 24-hours per day, seven days a week. 

 

For updates on the progress of the works, information will be provided in the Weekly Notice of Operations available on the NnG project website: https://nngoffshorewind.com/resources/.

 

Vessels Associated with the Activity

Please be aware that by virtue of its mode of operation and the equipment deployed, the S3000 and Skandi Acergy will at times 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.

 

Vessel name:

Saipem 3000

Vessel role:

Pile Installation Vessel

Call sign:

C6SW6

Maritime Mobile Service Identity:

311516000

On board contact:

Contact name: Vessel Master

Email: captain.s3000@saipem.com   

Phone: +39 02 010 24650

Onshore representative:

Contact name: Ben Stokes

Email: Benjamin.Stokes@saipem.com 

Phone:  +44 7833 479 546

 

Vessel name:

Skandi Acergy

Vessel role:

Offshore Construction Vessel

Call sign:

LAFD7

Maritime Mobile Service Identity:

257691000

On board contact:

Contact name: Vessel Master

Email: Acergy.captain@acergy.dof.no 

Phone V-Sat: +47 23 67 54 04 

Or Vessel Bridge Contact 

Email: Acergy.bridge@acergy.dof.no 

Phone V-Sat: +47 23 67 54 05

Onshore representative:

Contact name: Stig Rabben (Designated Person Ashore – DPA)

Email:  Stig.Rabben@dof.com 

Phone:  +47 992 03 609

 

One guard vessel is currently within the wind farm site supporting NnG Offshore Wind Farm construction. The guard vessels will be one of the below, which can be contacted as follows, if required:

 

Vessel name:

Seagull

Vessel role:

Guard Vessel

Call sign:

MVBO2

Maritime Mobile Service Identity:

311947000

On board contact:

Contact name: Vessel Master

Email: seagullbf74@gmail.com

Phone: +44 (0) 1261 878040 / +44 (0) 7895 919100

 

Vessel name:

Artemis

Vessel role:

Guard Vessel

Call sign:

MVIX5

On board contact:

Contact name: Vessel Master

Email: concordebf47@aol.com

Phone: +44 (0) 7949 663790 / +44 (0) 1261 455461

 

Vessel name:

Tranquillity S

Vessel role:

Guard Vessel

Call sign:

MJUH9

On board contact:

Contact name: Vessel Master

Email: spousekeil@yahoo.com  

Phone: +44 (0) 1346 454758

 

Port of Operation

The S3000 will mobilise from Rotterdam, NL. The Skandi Acergy will mobilise from Blyth, UK.

 

Adverse weather conditions

Upon adverse weather conditions, if the S3000 and Skandi Acergy are not able to hold on position, they will both seek shelter or return to a Port within the Firth of Forth.

 

General Safety Advice

Construction activities are ongoing within the boundaries of the Neart na Gaoithe Offshore Wind Farm.  Mariners are advised to refer to the NnG Weekly Notice of Operations where up to date information regarding activities on site is broadcast. A copy of this notice and the Weekly Notice of Operations can also be found at https://nngoffshorewind.com/resources/

 

Marine Coordination Contact Details

 

The following contact can provide more information if required. Please note that specific queries can also be addressed to the relevant vessel or shore based representative.

Telephone number

(daytime):

+44 (0) 1890 751415 (use Emergency contact only until further notice)

Emergency contact (24/7):

+44 (0) 7508 421406

Email:

nng.mc@smchse.com

Address:

NnG Offshore Wind Farm Marine Coordination Centre, Gunsgreen Basin, Eyemouth,

TD14 5SD

 

Fisheries Liaison

Fisheries liaison associated with the activity will be co-ordinated by Natural Power. For any commercial fishery queries please contact the NnG company Fisheries Liaison Officer (CFLO) Peter Berney, telephone: +44 (0)7391 402387 or email: NnG.FLO@naturalpower.com.  An Offshore Fisheries Liaison Officer (OFLO) will be present on the Sar Fame and can be contacted via VHF Channel 16.

 

Distribution List

A central list of recipients is maintained by the company Fisheries Liaison Officer; if you are not the appropriate recipient of these notices, or do not wish to receive the notices in the future, please contact us at NnG.FLO@naturalpower.com. A copy of this notice can also be found at https://nngoffshorewind.com/.   

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Survey - Potential Affleck Pipeline Route (Ref: 1297)

A 7 Day Potential Affleck Pipeline Route survey using MV Ocean Resolution call sign: 3EIP9 between 15th September 2021 - 31st December 2021.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Limited

Ocean Resolution

3EIP9

N/A

15/09/2021 - 31/12/2021

For 7 Days

30

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Survey - Victor Area (Ref: 1312)

A 2 Day survey at the Victor Area using the Fugro Galaxy call sign: C6YY4 between 25th September 2021 - 31st December 2021.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB Marine

Fugro Galaxy

C6YY4

N/A

25/09/2021 - 31/12/2021

For 2 Days

49

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Survey - Chestnut Field (Ref: 1280)

A 4 Day survey of the chestnut field using the Fugro Searcher call sign: 3EUY6 between 15th September 2021 - 31st October 2021.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North) Marine Ltd

Fugro Searcher

3EUY6

N/A

15/09/2021 - 31/10/2021

For 4 Days

22

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Rig - Transocean Endurance

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

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Rig - Erda

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

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Boulder next to Judy gas line

Boulder (2.4m x 2.5m x 1.5m) next to Judy gas pipeline. Boulder has been dragged next to the line by a fishing net. Fishing net is tangled around the boulder and associated trawl board is located nearby. Pipeline is marked on admiralty charts so should not be fished over. However, if it is there is a risk that another fishing net could become tangled around the boulder. This has potential to cause harm to the fishing net / boat and also pipeline.

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Deployment & operation of two Acoustic Doppler Current Profilers-Erebus Floating Offshore Wind Farm

To inform the engineering designs and Environmental Impact Assessments (EIA) for the proposed Erebus Floating Offshore Wind Farm (FLOW) offshore export cable, two frame mounted Acoustic Doppler Current Profilers (ADCP) have been successfully deployed within Rows Rocks Channel, near the entrance to the Milford Haven Waterways.

The ADCPs will be in situ on the seabed for up to 3 months. ADCP dimensions and an image of the ADCP and frame to be deployed is shown below. A marker buoy will not be used during deployments.

 

Item

Location 1 (mid channel)

Location 2 (near shore)

Seabed frame weight

240Kg

100kg

Seabed frame dimensions

1.5 x 1.5m

1m x 0.75m

ADCP height above seabed

0.5m

0.3m

Highest point above seabed from entire equipment

0.9m

0.3m

 

The ADCPs deployment locations are provided below:

 

Location 1 (mid channel)

Degrees Minutes Seconds

 51°40’44.04” N

 005°08’10.80” W

Degrees Decimal Minutes

 51° 40.734‘ N

 005° 08.180’ W

Location 2 (near shore)

Degrees Minutes Seconds

 51°41’14.76” N

 005°07’21.12” W

Degrees Decimal Minutes

 51° 41.246‘ N

 005° 07.352‘ W

 

It is intended for the ADCPs will remain in situ for 3 months and therefore mariners should navigate with caution.

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Pentland Floating Offshore Wind SEAWATCH LiDAR Buoy

Fugro have deployed a SeaWatch LiDAR Buoy (SWLB) within the Pentland Firth, located off the north coast of Scotland. The equipment will be deployed for approximately one year and has been moored through a combination of steel chains, rope and rubber cord to approximately 2250 kg anchor weight at the seabed.

Fugro have deployed a SeaWatch LiDAR Buoy (SWLB); this is a sea state measurement instrument (referred to as ‘the equipment’). The deployment location is within the UK Sector of the North Sea off the north coast of Scotland.

  • The equipment was deployed on 29 August 2021, and will be deployed for approximately one year.
  • The equipment's location is provided within the attached Notice to Mariners.
  • Scheduled maintenance of the equipment is planned every six months, but unforeseen maintenance may be required.
  • The equipment has been moored through a combination of steel chains, rope and rubber cord to approximately 2250 kg anchor weight at the seabed.
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Maersk Highlander at Elgin WHP B

The jack-up rig Maersk Highlander is alongside Elgin WHP B – within 500m zone for the next 6 months (approximately)

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Decommissioning related activities – HCF / Topsides Dismantlement of the Amethyst B1D Installation

Planned HCF and Topside dismantlement works are due to commence on the Amethyst B1D Platform (UKCS 47/15a). The Jack up Barge will depart from Inde 23A and transit to the Amethyst field, where it will commence HCF/Topsides dismantlement operations. The work will continue on the Amethyst B1D location for approximately 104 days.

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Survey - Hewett Pipelines (Ref: 1307)

A 5 Day survey of the Hewett Pipelines using the Vessel Isle of Jura call sign: MFFY6 between 1st September 2021 - 31st October 2021.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

ENI UK Limited

Isle of Jura

MFFY6

 

01/09/2021 - 31/10/2021

For 5 Days

48, 52

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Survey - Solar and Corona Site (Ref: 1294)

A 8 Day survey at the Solar and Corona Site using the Vessel MV Kommandor call sign: MCJO2 between 6th September 2021 - 31st December 2021.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Geosurvey Limited

MV Kommandor

MCJO2

1250m

3m

01/09/2021 - 15/11/2021

For 8 Days

9

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Survey - MNSH Phase 2B (Ref: 1292)

A 51 Day site survey using the Vessel Akademik Nemchinov call sign: UETM between 1st September 2021 - 15th November 2021.

 

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

GX Technology Eame Limited

Akademik Nemchinov

UETM

6000m

8m

01/09/2021 - 15/11/2021

For 51 Days

43, 44

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Survey - EIG Well VSP (Ref: 1288)

A 2 day survey at EIG Well VSP between 1st September 2021 - 31st December 2021.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Totalenergies E&P UK Limited

N/A

N/A

01/09/2021 - 31/12/2021

For 2 Days

22

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Survey - Area Test CHIRP (Ref: 1289)

A 7 Day area test survey using the Vessel Fugro Venturer call sign: C6CG3 between 1st September 2021 - 31st October 2021.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North) Marine Limited

Fugro Venturer

C6CG3

N/A

01/09/2021 - 31/10/2021

For 7 Days

13

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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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Survey - West of Loch na Keal, Isle of Mull

The Scottish Salmon Company (SSC) will be carrying out a Hydrographic survey in August in the waters west of Loch na Keal, Isle of Mull. The proposed works are planned to start on 17th August 2021 and will last approximately 70 days’, weather depending.

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Rig - West Phoenix

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

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Exposed Pipe - Installation of temporary marker buoy

This notice to mariners (NtM) relates to the installation of a temporary marker buoy positioned at the north of the end of the exposed export cable ducts protruding from the seabed. During the period of the nearshore intervention works (described in NtM LF500013-MIP-DOG-NOT0012), the temporary marker buoy will be positioned to the north of the works area.

On completion of the nearshore works, the temporary marker buoy will be repositioned between the exposed ducts and a further revised NtM published.

This NtM supersedes LF500013-MIP-DOG-NOT005, issued on the 1st March 2021

 

The marker buoy characteristics are: Yellow Special Mark, light pattern: Fl(Y)5s

 

Mariners are reminded to navigate with caution, keeping a safe passing distance from the temporary marker buoy and keeping a continuous watch on VHF Ch. 70/16 when navigating the area.

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Marine Licence Area 522 - West of Isle of Wight

On behalf of CEMEX UK Marine Ltd this notice is to advise that the MMO has granted a Marine Licence to extract sand and gravel from Area 522 (west of the Isle of Wight) and work is due to commence on or after 17th September 2021.

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Survey - Brent Pipeline Survey

Shell plans to conduct a geophysical and geotechnical survey in the Brent area around the pipelines of Brent platforms and in the area around the pipeline between Brent C and Comorant A.

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Rig - Maersk Reacher

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

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Rig - Valaris 72

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

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Exposed power cable in free-span (up to 2 metres off the seabed)

A recent survey has detected a 17m long cable suspension (free-span), that is up to 2 metres high, on the BritNed Interconnector HVDC cable. This poses the risk of entrapment of trawling gear; all vessels fishing are advised to keep well clear. At its maximum height, the suspension is in the order of 1.5 - 2m clear of the seabed. BritNed are actively looking at remedial options, but in the meantime all fishing vessels are advised to give this location a wide berth.

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Survey - Devil's Hole Horst (Ref: 1290)

A 71 Days Site Survey at Devil's Hole Horst using vessel Akademik Nemchinov call sign: UETM between 1st September 2021 - 31st July 2022.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

North Sea Natural Resources Ltd

Akademik Nemchinov

UETM

N/A

01/09/2021 - 31/07/2022

For 71 Days

27, 28

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Rig Move - Askepott

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

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Maersk Resolve at Breagh A

The Maersk Resolve will be on location at the Breagh platform (42/13a) from 6th August 2021 until 31st December 2021

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Drilling - Bunter Outcrop Borehole (Ref: 1285)

A 45 Bunter Outcrop Borehole Drilling From 20th August 2021 until 31st October 2021 using Rig Valaris 72

Company Rig

Towed Cable

Length & Depth

Duration Survey Block

Valaris

Valaris 72

N/A

22/08/2021 - 31/10/2022

For 45 Days

43

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Havhingsten Cable - surface laid cable

Please be advised that there are three areas of surface-laid cable, pending rock placement works in the second half of 2021.

Please be advised that the remaining post-lay burial (PLIB) works of the Havhingsten fibre optic telecommunication cable system have now been completed in the Irish Sea, but there are three areas of surface-laid cable which are pending rock placement works.

 

There is a maximum of 25m of cable surface laid with Uradact protection either side of the crossings listed below. Rock protection works will be carried out during the second half of 2021. It is advised that extra care is taken when vessels are operating near the areas and that no vessel should trawl within 0.25 nautical miles from the listed coordinates prior to rock placement. The rock berms will be over trawlable and in-line with industry standards.

 

Rock Placement Location Name

Latitude

Longitude

Western HVDC (S1.5)

53 ° 45.9867' N

003° 48.9137' W

Western HVDC (S1.2)

53° 54.7007' N

004° 58.3552' W

Western HVDC (S1.4)

53° 53.8396' N

004° 34.1792' W

 

For further information please contact the Fisheries Liaison Officer (FLO) / Fishing Industry Representative (FIR) numbers:

 

IoM Onshore FLO

Guy Sutton:                        rgsutton@outlook.com – 07624428332

 

FIR

Tom Watson:                     tomwatsonfleetwood@btinternet.com – 07903 173624

 

FLO (MarineSpace)

Bethan Owens:                 bethan.owens@marinespace.co.uk – 07833 557808

Claire Griffiths:                  claire.griffiths@marinespace.co.uk – 07498 550 586

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Exposed and Free Span - Greater Gabbard Offshore Wind Farm

Results of the Greater Gabbard OFTO export cable survey. The chart lists the changes to the exposures on the three export cables, on the inshore section between KP 3 and KP 5 with a free span remaining around KP 4. Between KP 36 and KP 38 there are some exposed sections as the cables enter the site. In addition, although listed as exposures on the chart, there are areas of shallow burial at KP10 and a cable exposure on the interconnector cable within the site.

Please find attached a chart showing the results of the Greater Gabbard OFTO export cable survey. The chart lists the changes to the exposures on the three export cables, on the inshore section between KP 3 and KP 5 with a free span remaining around KP 4. Between KP 36 and KP 38 there are some exposed sections as the cables enter the site. In addition, although listed as exposures on the chart, there are areas of shallow burial at KP10 and a cable exposure on the interconnector cable within the site.

 

The exposed/shallow burial areas are shown as the coloured dots on the cable route highlighted in a black box.  Equitix (Greater Gabbard OFTO) have asked that all Fishermen operate with caution when fishing anywhere on the cable route and particularly the areas that are shallow buried around KP10.’

 

Coordinates of exposed/shallow burial areas are shown on the attached chart.

 

The OFTO is updating its risk assessments to determine the extent of remedial measures that may be required. Equitix intend to provide an update on remediation after the risk assessment exercise is complete.’

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Survey - North Loch Odhairn

The Scottish Salmon Company (SSC) will be carrying out a Hydrographic survey north of Loch Odhairn. The proposed works are planned to start on 4th August 2021 and will last approx. 100 days Using vessel Eilean A Fraoich call sign:2BPC9.

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Rig - West Bollsta

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

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Application for Offshore Development Area - Seagull Umbilical

Neptune E&P UK Ltd would like to request to establish an additional offshore development area in Block 22/29C for the Seagull Umbilical location.

The Seagull Field is located on UK licence P1622 Block 22/29C. 17km south of the Eastern Trough area Project (ETAP) Central Production Facility (CPF). Neptune will develop the Seagull reservoir as a subsea tie‐back to existing seabed infrastructure over the BP operated ETAP CPF. The development is high pressure and high temperature and Neptune is the Operator for the subsea development. Neptune will also drill and complete the Seagull Wells and shall retain overall Project responsibility.

The Seagull development will require installation of new subsea equipment as follows: Four Xmas Trees; a 4 slot manifold; a 17km control umbilical (including hydraulic, electrical and chemical supplies) direct from ETAP to Seagull; a 5km 10” production pipeline; a 5km 3.5” wash water pipeline from Seagull to the existing Egret manifold; and a Wye manifold adjacent to the existing Egret manifold, through which the new Seagull production pipeline will connect with the Heron cluster pipeline system connected back to the ETAP CPF. From ETAP CPF Seagull oil and gas will be exported to shore through the GAEL and FPS pipeline systems to the Kinneil Terminal onshore.

 

We already have an ODA established covering the Seagull drill centre and the Egret manifold and would like to request to extend the ODA to incorporate the entire Seagull works area. The extended Offshore development area will be required commencing from September 2021 ‐ March 2023.

 

 

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Rig - Prospector 1

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

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Rig Move - Maersk Resilient

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

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Survey - Outer Dowsing Offshore Wind

Outer Dowsing Offshore Wind (a joint venture between TotalEnergies and Green Investment Group) shall be conducting a 5 month offshore geophysical survey approximately 60km East of the Humber Estuary from 10th August to 29th December 2021.

Using vessel Guard Celena call sign : V7OY7. The survey vessel shall be towing a cable up to approximately 150m behind the vessel (the end marked by a tail buoy) at depths of up to 3m below sea level. The survey vessel shall have limited maneuverability so please allow a safe distance.

 

Company: Outer Dowsing Offshore Wind

Contractor: Enviros Survey & Consultancy Limited

Survey vessel : Guard Celena

Survey vessel call sign: V7OY7

 

Earliest start date: 10th August 2021 Latest finish date: 29th December 2021

 

It should be noted that the survey vessel shall be initially accompanied by a fishing vessel: Sorrento GY189 providing visual reconnaissance for any sea surface obstacles. Company : Outer Dowsing Offshore Wind

Contractor : NFFO Services Limited

Support vessel : Sorrento GY189

Support vessel call sign : 2XLE

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Survey - Dunnottar Exploration Well VSP (Ref: 1270)

A 1 Day Vertical Seismic Survey between 31st August 2021 and 31st August 2022.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Chrysaor Petroleum

Company U.K Limited

 

5m

31/08/2021 - 31/08/2022

For 1 Day

30

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Rigmove - 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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Survey - CHIRP Survey (Ref: 1274)

A 16 Day Site Survey From 15th August 2021 until 30th November 2021 using vessel Havila Subsea call sign: LGSY.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

MMT Sweden

Havila Subsea

LGSY

 

15/08/2021 - 30/11/2021

For 16 Days

211

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Survey - CHIRP Survey (Ref: 1273)

A 16 Day Site Survey From 15th August 2021 until 30th November 2021 using vessel Havila Subsea call sign: LGSY.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

MMT Sweden

Havila Subsea

LGSY

 

15/08/2021 - 30/11/2021

For 16 Days

211

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Scientific instrument mooring installations - Moray Firth

The University of Aberdeen has installed 26 subsurface scientific instrument moorings in the Moray Firth in the general area of the Jacky and Beatrice oil installations.

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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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New Safety Zone: Buzzard Field Northern Terrace Manifold

Safety Zone Now Active OR New Safety Zone. The Buzzard Field ‘Northern Terrace Manifold’ has now been installed on the seabed. This now means the 500m Safety Zone is now in force. This Safety Zone is on the latest FishSAFE v42.

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Survey - Regional Survey (Ref: 1198)

81 day regional survey between the 15th April 2021 - 31st Oct. Using vessels SW Amundsen call sign: 5BXE2, support vessels MV Scorpio call sign: ZDRF7 & Tess sign: YJUV8, Amazon Conqueror call sign: 3EBI3, Astra-G call sign: HP8210 & Mainport Pine V7ZH7.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Shearwater GeoServices AS

SW Amundsen

5BXE2

MV Scorpio

ZDRF7

Tess

YJUV8

Amazon Conqueror

3EBI3

Astra-G

HP8210

Mainport Pine

V7ZH7

 

8100m

18m

15/04/2021 - 31/10/2021

For 81 Days

210, 211

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New Suspended Wellhead - 42/28d - 16

Suspended wellhead structure on seabed.

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Bathymetry Survey Duncansby Head to Pentland Skerries

Commencing mid July 2021 and continuing for a period of approximately 4 months (weather depending) bathymetry survey operations will be undertaken off the coast of Scotland. Vessels ‘Cerys Line’ and 'Morven' will be used.

A-2-Sea Solutions Ltd will be operating the vessel ‘Cerys Line’ on a 24-hr basis. The ‘Cerys Line’ (26.1m LOA) will be underway throughout operations, sailing survey lines at 5-12 knots.

 

A-2-Sea Solutions will also be operating the vessel ‘Morven’ on a 24-hr basis to survey inshore of the 10m contours. The ‘Morven’ (20.0m LOA) will be underway throughout operations sailing survey lines at 4-8 knots. 

 

Both vessels will not be towing any equipment and only hull mounted mutlibeam echosounder will be used.

 

Both ‘Cerys Line’ and ‘Morven’ will exhibit the lights and shapes prescribed by the International Regulations for Preventing Collisions at Sea and will maintain a listening watch on VHF Channel 16.

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Decommissioning Project - Millar Platform

The Millar platform has been removed and all 500m zones revoked, all that is left on the seabed are 4 jacket footings which rise up to 22m from the seabed posing a significant snagging hazards.

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Rig - Valaris 120

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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Rig - Valaris 92

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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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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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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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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Exposed and Shallow Buried Cable - Walney 1 Export Cable

The last High-Resolution Multibeam Echosounder and Side Scan Sonar of the Walney 1 & Walney 2 Export Cables have identified sections of the cable that are shallow buried and in some areas slightly exposed.Particularly the area of Morecambe Flats (KP 14.5)

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Survey - Evelyn to Triton Umbilical Route (Ref: 1267)

A 1 Day Evelyn to Triton Umbilical Route from 25th July 2021 until 30th November 2021 using vessels: Fugro Galaxy call sign: C6YY4

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North) Marine Limited

Fugro Galaxy

C6YY4

N/A

25/07/2021 - 30/11/2021

For 1 Day

21

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Survey - Devils Hole - NP21DHH3DS (Ref: 1262)

A 70 Day Site Survey From 19th July 2021 until 31st October 2021 using vessels: Akademik Primakov call sign: UBCQ4

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

TGS Geophysical Company (UK) Limited

Akademik Primakov

UBCQ4

7200m

19/07/2021 - 31/10/2021

For 70 Days

19,20,21,26,27,28

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Rig - Valaris Gorilla V

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

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Rig - Maersk Resolute

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

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Survey - Talbot Appraisal Well (Ref: 1233)

A 1 Day Talbot Appraisal Well Survey From 1st July 2021 until 31st December 2021.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Chrysaor Petroleum Company UK Ltd

N/A

5m

01/07/2021 - 31/0912/2021

For 1 Day

30

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Array Cable Installation - Hornsea Project Two

Ørsted have commenced array cable installation with the Seaway Aimery and Seaway Moxie which will continue through to Q3 2021. The Simar Esperanca will commence trenching on or around 30th May 2021.

Array Cable Seabed  Installation

Ørsted will be commencing pre-lay surveys and seabed preparation for array cable installation with the Simar Esperanca and rock deployment with the Flintstone on or around 21st March 2021, shortly followed by array cable installation itself on or around 15th April 2021. In addition to this, Seaway Offshore Cables (SOC) and Sulmara may be trialling an autonomous survey vessel within the Hornsea Project Two array area which will be supported by a dedicated support vessel, queries related to this scope should be directed to SOC / Sulmara.

 

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. This Notice will be updated and re-issued when works are complete.

 

Note that the vessels will have limited manoeuvrability and it is requested that all vessels operating near the vessels maintain a safe distance (at least 500m) and pass all vessels at minimum speed.

 

Please be advised that construction activities are ongoing within the wind farm, supported by Crew Transfer Vessels (CTVs) and survey vessels intermittently. The Deep Cygnus will be mobilising to site as a support vessel to the ongoing construction works on or around 28th May 2021. The MHO Grimsby continues to carry out construction geophysical surveys intermittently utilising a hull-mounted system within the proposed Hornsea Project Two Offshore Wind Farm site and the Wind Innovation remains on the project for construction support.

It is requested that all vessels operating near the construction area keep a safe distance and pass at minimum speed.

 

 

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Survey - Central North Sea (Ref: 1241)

A 135 Day site survey Central North Sea 15th June - 31st October 2021. Using vessel Akademik Primakov call sign: UBCQ4.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

GX Technology Eame Limited

Akademik Primakov

UBCQ4

Support Vessel 1&2 TBC

7000m

10m

15/06/2021 - 31/10/2021

For 135 Days

20,21,27,28

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Glengorm Central Appraisal Well

The Borr Prospector 5 Heavy Duty Jack Up Rig will be positioned at the Glengorm Central appraisal well location 22/21c-C.

The Works shall comprise the location of the following mobile installation:

 

The mobile drilling unit (MoDU) - PR5 (Prospector 5)

 

The Works shall be located at:

57 10' 05.97"N 01 05' 27.27"E

 

Quad/Block - 22/21c

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Survey - Culzean Wells Site Survey(Ref: 1204)

A 14 Day Site Survey at the Culzean Wells between 1st May - 31st October 2021.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Total E&P North Sea UK Limited

N/A

2m

5m

01/05/2021 - 31/10/2021

For 10 Days

22

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Survey - Debris Survey Buckland Drilling location (Ref: 1221)

A 2 Day Debris Survey Buckland Drilling location between the 4th May 2021 - 31st October. Using the vessel Fugro Galaxy Call sign: C6YY4.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North) Marine Ltd

Fugro Galaxy

C6YY4

N/A

04/05/2021 - 31/10/2021

For 2 Days

9

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Deployment of 2 x Metocean Buoys - North of Cromer

Partrac is to deploy two large metocean buoys (E03 and E13) at two separate locations approximately 18 miles northwest of Cromer and 28 miles north of Cromer in the southern North Sea 

Partrac is to deploy two large metocean buoys (E03 and E13) at two separate locations approximately 18 miles northwest of Cromer and 28 miles north of Cromer in the southern North Sea 

 

Once deployed, please maintain a 500m exclusion around each buoy.

 

Deployment is estimated to be carried out over one day from the 5th May 2021, weather permitting.

 

The deployments will be completed by the vessel Isle of Jura.

 

The surface buoys will include: AIS; A day shape of yellow St Andrews Cross; radar reflector; and yellow navigation light.

 

The metocean buoys record meteorological data and are anchored to the seabed by means of a mooring chain and a ground weight. The buoy has dimensions of 4m x 4m, and when deployed the tallest mast on the buoy sits approx. 4m above the water line  

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Rig - Noble Sam Turner

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

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Rig - 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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Safe Caledonia at Elgin PUQ

The Flotel Safe Caledonia is alongside ELGIN PUQ – within 500m zone.

The Flotel Safe Caledonia is alongside ELGIN PUQ – within 500m zone. Providing additional accommodation for ongoing fabric maintenance campaign.

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Rig Movement - Safe Caledonia

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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Rig - COSL Innovator

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

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Pipeline Flushing and Riser Decommissioning - Balmoral Area

Premier Oil’s project to flush & disconnect the Greater Balmoral Area subsea infrastructure and removal of associated risers in relation to the float-off of the Balmoral FPV will be undertaken between 28th February and 31st December 2021.

Locations Coordinates
Balmoral FPV & Template

58°13.727'N 001°06.427'E

Tap Valve No.3 (Forties Pipeline System) 58°06.622'N 001°09.449'E
Balmoral Satellite Well B29 58°15.127'N 001°03.323'E
Balmoral Satellite Well A2 58°13.970'N 001°07.953'E
Brenda Drill Centre 58°11.763'N 000°58.407'E
Brenda Umbilical cut point 58°13.810'N 001°06.318'E
Nicol Drill Centre 58°14.908'N 000°50.812'E
Stirling 20z Well 58°14.010'N 001°08.063'E
Glamis A26 Well 58°10.695'N 001°01.045'E
Glamis A27 Well

58°10.308'N 001°04.168'E

Burghley WH1 Well 58°16.052'N 001°14.148'E
Beauly Well 58°11.028'N 001°07.632'E

 

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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 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 - 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 - 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 - 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 - 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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Rig - Rowan Viking

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

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Rig Move - Maersk Inspirer

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 123

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

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