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All Subsea Cables Renewable Energy Safety News Downloads

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Media Gallery

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Emergency Contact Numbers

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

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Emergency Procedures

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

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Reducing Risks Whilst Fishing

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

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The Risks of Fishing near Cables & Renewable Energy Structures

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

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Media Gallery

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Tidal Device Principles

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

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Wave Device Principles

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

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Wave & Tidal Devices – Overview

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

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Wind Farms – Installation Methods

Life cycle stages

Lease award and Pre-construction

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

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Wind Farms – Design of Structures Installed

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

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Windfarms - Overview

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

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Terms & Conditions

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

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Privacy

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

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Accessibility

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

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The Importance of Renewable Energy Structures

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

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The Future of Subsea Cables

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

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Submarine Cable Maintenance

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

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Maintenance / Repair Operations

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

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Cable Burial

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

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Installation Procedures and Methods

Selection of provisional route

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

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Design

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

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About

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

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News

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Safety

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

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Renewable Energy

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

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Subsea Cables

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

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Homepage

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Map

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Downloads

ALL PLOTTERS (Fishing Plotter File) download

ALL PLOTTERS (Fishing Plotter File)

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Litton FishMaster (Fishing Plotter File) download

Litton FishMaster (Fishing Plotter File)

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Maxsea (Fishing Plotter File) download

Maxsea (Fishing Plotter File)

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Olex (Fishing Plotter File) download

Olex (Fishing Plotter File)

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Penta (Fishing Plotter File) download

Penta (Fishing Plotter File)

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SIS MicroPlot (Fishing Plotter File) download

SIS MicroPlot (Fishing Plotter File)

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Sodena (Fishing Plotter File) download

Sodena (Fishing Plotter File)

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TM Planner / Quodfish (Fishing Plotter File) download

TM Planner / Quodfish (Fishing Plotter File)

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TRAX (Fishing Plotter File) download

TRAX (Fishing Plotter File)

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Transas Navifisher (Fishing Plotter File) download

Transas Navifisher (Fishing Plotter File)

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Kingfisher Regional - North Sea North and West 2020 download

Kingfisher Regional - North Sea North and West 2020

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Kingfisher Regional - North Sea Central 2020 download

Kingfisher Regional - North Sea Central 2020

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Kingfisher Regional - North Sea South 2020 download

Kingfisher Regional - North Sea South 2020

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Kingfisher Regional - English Channel 2020 download

Kingfisher Regional - English Channel 2020

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Kingfisher Regional - South West Approaches 2020 download

Kingfisher Regional - South West Approaches 2020

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Kingfisher Regional - Baltic North 2020 download

Kingfisher Regional - Baltic North 2020

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Kingfisher Regional - Baltic South 2020 download

Kingfisher Regional - Baltic South 2020

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Kingfisher Wallchart 2020 download

Kingfisher Wallchart 2020

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Beatrice 2020 download

Beatrice 2020

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Kingfisher Regional - Irish Sea 2020 download

Kingfisher Regional - Irish Sea 2020

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Hywind 2020 download

Hywind 2020

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Aberdeen Demonstrator Project 2020 download

Aberdeen Demonstrator Project 2020

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Kincardine 2020 download

Kincardine 2020

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Blyth 2020 download

Blyth 2020

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Blyth Demonstrator Project 2020 download

Blyth Demonstrator Project 2020

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Teesside 2020 download

Teesside 2020

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Hornsea Project One 2020 download

Hornsea Project One 2020

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Westermost Rough 2020 download

Westermost Rough 2020

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Humber Gateway 2020 download

Humber Gateway 2020

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Triton Knoll 2020 download

Triton Knoll 2020

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Race Bank 2020 download

Race Bank 2020

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Sheringham Shoal 2020 download

Sheringham Shoal 2020

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Dudgeon 2020  download

Dudgeon 2020

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Lincs 2020 download

Lincs 2020

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Inner Dowsing & Lynn 2020 download

Inner Dowsing & Lynn 2020

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Scroby Sands 2020 download

Scroby Sands 2020

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Galloper 2020 download

Galloper 2020

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Greater Gabbard 2020 download

Greater Gabbard 2020

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Gunfleet Sands & Demonstrator Site 2020 download

Gunfleet Sands & Demonstrator Site 2020

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London Array 2020 download

London Array 2020

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Kentish Flats & Extension 2020 download

Kentish Flats & Extension 2020

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Thanet 2020 download

Thanet 2020

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Rampion 2020 download

Rampion 2020

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Rhyl Flats 2020 download

Rhyl Flats 2020

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Gwynt Y Mor 2020 download

Gwynt Y Mor 2020

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North Hoyle 2020 download

North Hoyle 2020

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Burbo Bank & Extension 2020 download

Burbo Bank & Extension 2020

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Barrow 2020 download

Barrow 2020

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West of Duddon Sands 2020 download

West of Duddon Sands 2020

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Walney 1-4 2020 download

Walney 1-4 2020

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Ormonde 2020 download

Ormonde 2020

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Robin Rigg 2020 download

Robin Rigg 2020

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Nysted 2020 download

Nysted 2020

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Horns Rev 3 2020 download

Horns Rev 3 2020

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Horns Rev 2 2020 download

Horns Rev 2 2020

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Horns Rev 1 2020 download

Horns Rev 1 2020

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Gode Wind 2 2020 download

Gode Wind 2 2020

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Gode Wind 1 2020 download

Gode Wind 1 2020

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Borkum Riffgrund 2020 download

Borkum Riffgrund 2020

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Anholt 2020 download

Anholt 2020

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Fishing Plotter Installation Guide download

Fishing Plotter Installation Guide

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News

Survey - Berwick Bank and Marr Bank Wind Farm

SSE Renewables will be returning to the Berwick Bank Wind Farm and Marr Bank Wind Farm proposed export cable corridor areas to undertake a Geophysical survey of the area. Using the MV Silver Sky call sign: ZQNS2 from 5th December until End December 2020.

The survey will be within the proposed Berwick Bank and Marr Bank wind farm export cable corridor boundaries It should be noted that SSE Renewables are not expecting fishermen to relocate gear - on this occasion the vessels will work around any gear on location. An escort/support vessel will operate at the same time as the survey vessel to ensure that this can be achieved.

The survey work is being undertaken by XOCEAN Ltd. and will be conducted from an unmanned surface vessel (USV). The escort/support vessel will be the MV Silver Sky call sign: ZQNS2.

 

Survey Duration The surveys will not mobilise before the 5th December 2020. The expected completion for this first phase of the geophysical survey will be by the end of December 2020, weather permitting, and therefore there may be the potential for an extension to the work duration. There is also a second phase being planned for Spring 2021.

Survey Tasks The USV survey is designed to investigate a potential landfall area in the vicinity of Skateraw and along the proposed export cable corridor towards the Berwick Bank and Marr Bank Wind Farms.

The survey will acquire accurate bathymetry data using Multibeam Echo Sounder (MBES) in order to determine site topography. Additionally, it is designed to gather high-resolution sub-bottom profiler (SBP) data to determine the shallow sub-surface soil conditions that may influence the opportunities for cable burial in the area.

It is expected that the survey, once started, will take less than a week to complete.

The MV Silver Sky call sign: ZQNS2 will be on call to assist in any support function that is required during the survey period.

The survey area is defined by the following WGS84 coordinates in Table 1, which provide the maximum extent of the survey (with the nearshore extent being bounded by the coast):

 

See detailed map on our bulletin website
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Lidar Deployment - East Anglia Two Wind Farm

SeaWatch LiDAR Buoy (SWLB) has now been redeployed at the East Anglia TWO wind farm site. The SWLB is a sea state measurement instrument. The buoy has been recovered from site leaving some mooring components and the anchor weight on the seabed.

The equipment was deployed by the vessel Afon Wen on 28 November 2020. Grappling operations were also conducted on site and the majority of an old mooring remaining on the site were recovered from the location; the only remaining items on the seabed are an anchor weight, a short length of chain and approximately 10 m of dyneema rope. No further scheduled maintenance is planned on this project, although unforeseen maintenance may be required.

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

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

 

See detailed map on our bulletin website
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Penguins Field - Vessel Activity

Penguins Field Development - Bundle Installation

Please see below the upcoming vessel activity we have scheduled for December 2020 in the Penguins Field.

 

Normand Oceanic – Bundle Installation (Subsea 7) Penguins Redevelopment Project - Infield 08/12/20 – Depart Field 30/12/20

The Normand Oceanic will be accompanied by Lead Tug 1, Lead Tug 2, Trail Tug and Guard vessel.

  • Bundle Launch, tow and installation (FPSO bundle 2.9km)
  • Position check and flood down
  • Transit to Sinclair’s Bay
  • Bundle Launch, tow and installation (DC2 bundle 4.7km)
  • Position check and flood down
  • Spool metrologies
  • As-built surveys of FPSO bundle and DC2 Bundle
See detailed map on our bulletin website
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Exposed Pipelines - Scott Field

Pipelines in CNOOC’s Scott field have experienced upheaval bucking. As a result, in three locations, pipelines are now exposed and present a significant snagging hazard. Sea users are strongly advised to avoid these locations.

Detailed below, to avoid hazardous interaction with these sections of exposed pipeline, pending the execution of mitigation works.

See detailed map on our bulletin website
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Suspended Wellhead - 47/09b-5

Suspended Wellheads are not protected by 500m Safety Zones and are not required to have an overtrawlable protection structure.

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Suspended Wellhead - 16/06a-V2

Suspended Wellheads are not protected by 500m Safety Zones and are not required to have an overtrawlable protection structure.

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Suspended Wellhead - 16/02b-5

Suspended Wellheads are not protected by 500m Safety Zones and are not required to have an overtrawlable protection structure.

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Suspended Wellhead - 9/19b-29A

Suspended Wellheads are not protected by 500m Safety Zones and are not required to have an overtrawlable protection structure.

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Suspended Wellhead - 9/19b-29

Suspended Wellheads are not protected by 500m Safety Zones and are not required to have an overtrawlable protection structure.

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Suspended Wellhead - 9/19b-28z

Suspended Wellheads are not protected by 500m Safety Zones and are not required to have an overtrawlable protection structure.

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Suspended Wellhead - 9/19b-28

Suspended Wellheads are not protected by 500m Safety Zones and are not required to have an overtrawlable protection structure.

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Rig Movement - Paul B Lloyd Junior

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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Survey - Eastern HVDC Cable Torness to Hawthorn Pit

SSEN, National Grid and ST has contracted Fugro GM Marine Limited to carry out a Geophysical and Geotechnical site investigation located between Torness and Hawthorn Pit, United Kingdom, in the southern North Sea for the proposed Eastern HVDC Link site.

Scottish & Southern Electricity Networks Transmission (SSEN) as the Transmission Owner (TO) for northern Scotland, SP Transmission plc (SPT) as the TO for the central belt and south of Scotland, and National Grid Electricity Transmission plc (‘National Grid’) as the TO for England and Wales, are working together to develop the two links.

 

The Torness to Hawthorn Pit link will be jointly developed by SPT and National Grid. The link between Peterhead and Drax will be jointly developed by SSEN and National Grid. SSEN, National Grid and ST has contracted Fugro GM Marine Limited (Fugro) to carry out a Geophysical and Geotechnical site investigation located between Torness and Hawthorn Pit, United Kingdom, in the southern North Sea for the proposed Eastern HVDC Link site.

 

This Notice to Mariners will be updated and reissued periodically as additional vessels are planned to come on site. For operations in 2020, current planning indicates a single vessel being on site until early January 2021. It should be noted these dates are subject to change and the total number of vessels could increase.

 

Offshore Geophysical Survey - (>15m LAT)  Fugro Venturer Call Sign: C6CG3

Offshore Geophysical operations at the Eastern HVDC Link site are being carried out from the Fugro Venturer from the 21st October until on or around the 19th December 2020. The works are  expected to commence at Seaham and the vessel then transit the entire route in a series of passes.  Please note that the exact finish date will be dependent on the prevailing weather conditions and work progress, and therefore subject to change.  

As the Fugro Venturer will be towing survey equipment the vessel will require large turning circles therefore it is requested that all vessels operating within this area keep their distance, maintaining at least the 1,000 m exclusion including in the survey area buffer (coordinates above), and pass at minimum speed to reduce vessel wash.

 

Survey operations will be conducted on a 24 hour basis.

 

 

 

 

Offshore Geotechnical Survey - (>15m LAT)  Fugro Venturer Call Sign: C6CG3

Offshore Geotechnical operations at the Eastern HVDC Link site are expected to be carried out from the Fugro Venturer from the 8th November for approximately 4 weeks. Please note that the exact start and finish date will be dependent on the prevailing weather conditions and work progress.

As the Fugro Venturer will be towing survey equipment the vessel will require large turning circles therefore it is requested that all vessels operating within this area keep their distance, maintaining at least the 1,000 m exclusion including in the survey area buffer (coordinates above), and pass at minimum speed to reduce vessel wash.

 

Offshore Geotechnical operations at the Eastern HVDC Link site are being carried out from the Fugro Venturer until on or around the 10th January 2021.

 

Please note that the exact finish date will be dependent on the prevailing weather conditions and work progress.

See detailed map on our bulletin website
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Export Cable Installation - Triton Knoll Offshore Wind Farm

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

A 1500m clearance zone needs to be maintained around the main vessel.

 

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

 

The vessel 'Rockpiper' is expected on site on or around the 01st October 2020 to commence rock placement operations. Guard vessels 'Glomar Arctic' and 'Glomar Advantage' will be employed to support export cable installation operation.

 

Near Shore Anderby Creek Wet Stowage 1

Ref:

Latitude:

Longitude:

1

53’ 16.41 N

000’ 20.28 E

2

53’ 16.43 N

000’ 20.55 E

3

53’ 16.28 N

000’ 20.30 E

4

53’ 16.30 N

000’ 20.56 E

 

Offshore Wet Stowage 2

Ref:

Latitude:

Longitude:

1

53’ 18.85 N

000’ 25.90 E

2

53’ 18.80 N

000’ 26.10 E

3

53’ 18.25 N

000’ 25.60 E

4

53’ 18.20 N

000’ 25.80 E

 

Offshore Wet Stowage 3

Ref:

Latitude:

Longitude:

1

53’ 20.56 N

000’ 43.93 E

2

53’ 20.73 N

000’ 43.68 E

3

53’ 21.16 N

000’ 44.48 E

4

53’ 21.00 N

000’ 44.73 E

 

Offshore Wet Stowage 4

Ref:

Latitude:

Longitude:

1

53’ 25.55 N

000’ 50.20 E

2

53’ 25.65 N

000’ 49.91 E

3

53’ 26.23 N

000’ 50.60 E

4

53’ 26.13 N

000’ 50.86 E

 

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

 

Operational vessels and their details are as follows:

 

Vessel Name Vessel Type Call Sign MMSI Number IMO Operating Port Commence Date

Glomar Arctic

Guard Vessel

HO9083

371278000

8711473 Den Helder 05/06/2020

Glomar Advance

Guard Vessel

HO5178

370048000

8205814 Den Helder 25/06/2020
Rockpiper Rock Placement Vessel 5BML3 209449000 9583861 Jelsa 01/10/2020

 

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

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

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Nearshore Duct Preparation Scope - Triton Knoll Offshore Wind Farm

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

The Voe Vanguard will be carrying out Nearshore Duct Preparations Works at the Triton Knoll OWF development for approximately 2 weeks, with works due to commence on or around the 14th May 2020.  The Support Vessel 'CRC Voyager' will commute to and from the works area, from Grimsby.

 

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

 

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

 

Main Vessel: Voe Vanguard - MBEN9

Support Vessel: CRC Voyager -  MBZZ7

 

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

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Clean Seas Environmental Monitoring Programme - Western Channel & Irish Sea

The Clean Seas Environmental Monitoring Programme (CSEMP) will use a Granton trawl to target dab for fish disease and chemical body burden analysis.

The Clean Seas Environmental Monitoring Programme (CSEMP) will use a Granton trawl to target dab for fish disease and chemical body burden analysis. The survey will also collect sediment samples from representative sediment stations using day grab, for polycyclic aromatic hydrocarbons (PAHs), trace metal contaminants, sediment particle size analysis (PSA), and benthic fauna. This work is being undertaken to evaluate sediment contamination levels and benthic community abundance at a number of locations around the Welsh and English coastline.

 

The information generated during this survey will be used to meet UK’s obligations for reporting of contaminant, eutrophication and marine litter data to MERMAN and the ICES database and for subsequent assessments for OSPAR and Good Environmental Status (GES descriptors 5, 8,  & 10) assessment as part of the 25 year Environmental Plan.

 

The survey will be carried out by the Centre for Environment, Fisheries and Aquaculture Science (CEFAS) vessel RV CEFAS Endeavour, callsign VQHF3.

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Construction of Wind Farm (Triton Knoll)

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

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

 

Operating predominantly within the Triton Knoll Offshore Wind Farm Array.  Activities include, Crew Transfer Operations, Commissioning of Offshore Sub Stations & Secondary Works on Offshore Foundations.

 

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

Seacat Magic Crew Transfer Vessel 2JDI2 235114973 N/A Grimsby  

 

*** 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 and buried.

 

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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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Tolmount East pipeline survey route

MBES survey of proposed Tolmount East pipeline route

A Work-class Remote Operated Vehicle (WROV)-mounted R2Sonic 2024 dual-head Multibeam Echo Sounder (MBES) system (200-700kHZ) shall be employed for precise determination of seabed topography and accurately delineate both geological and anthropogenic seafloor features.  Three (x3) survey-lines of 3.949 km in length will be acquired between the Tolmount East Tie-In and Tolmount Main Laydown Head / Tie-In.

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Neart na Gaoithe Offshore Wind Farm - HDD Marine Works

Neart na Gaoithe Offshore Wind Farm Limited (NnGOWL) have commenced the horizontal directional drill (HDD) campaign from the landfall location at Thorntonloch.

 In order for the onshore and offshore transmission cables to be connected, two horizontal directional drills approximately 750 metres in length, will pass underneath the beach.

 

The majority of works are completed from an onshore location, in a field immediately to the south of Thornton Burn. Some supporting marine works are required to prepare the seabed in the nearshore area of Thorntonloch Beach. Mariners are advised that the associated marine works will commence on 2nd December 2020, at the earliest.

A team of divers supported by two vessels, the Teal of Wick (ZQXM9) and Shuna (VQBP3), will carry out seabed preparation of two small sub-tidal exit pits of up to 10m2, one for each drill hole to emerge from. Each exit pit will be marked temporarily by a surface marker buoy. The as-laid position of these marker buoys will be notified once installed.

The team of divers will be working from the Teal of Wick, Shuna will be supporting the works and undertaking guard vessel duties.

 

Area of Operations Mariners are advised that both the Teal of Wick and Shuna will be mobilised from Eyemouth to work within the nearshore area of the Neart na Gaoithe (NnG) Export Cable Corridor.

 

Schedule The work will be undertaken in two phases, one for each cable, between early December 2020 and mid-March 2021. The works are due to commence 2nd December 2020 at the earliest, and each phase is expected to last up to three weeks, weather dependant. It is anticipated that the works will be completed by mid-March, weather dependent.

The first phase will take place between 2nd December 2020 to 22nd December 2020, weather permitting. It is currently anticipated that the second phase will take place between mid-February 2021 and mid-March.

Weather permitting and during daylight hours, construction works will be carried out on a continuous basis (i.e. 12-hour working, seven days a week), unless notified otherwise.

 

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Survey - Loch Roag

The Scottish Salmon Company (SSC) will be carrying out a Hydrographic survey in December in Loch Roag. The proposed works are planned to start on 01st December 2020 and will last approximately 110 days

Company Vessels Duration
Scottish Salmon Company 

Ribhinn

2EBH4

01/12/2020 

For 110 Days

 

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

 

Mariners are requested to navigate with caution in this area.

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Pipeline Activities - Arran Field

A Pipeline Initiation System (an arrangement of anchors, chains and wires) has been installed within the Arran South 500m safety zone (installed on 28/09/20). Further vessel activity will be taking place in the area as below.

DSV Seven Atlantic – Spool Umbilical and Tie-Ins (Subsea 7) Arran Field Development - Infield 28/11/20 – Depart Field 25/12/20

  • Pipeline strength test
  • Installation of 12” spools at Arran North
  • Hook up of umbilicals at Arran North
  • Installation of 12” spools at Shearwater
  • Installation of 12” spools at Columbus
  • Mattressing of spools and umbilicals
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Pierce and Shearwater Fields - Vessel Activity

Survey, Pipelay, Trenching, Pre-Com, D4 Well Tie-Ins, Diving Works and Rock dump Operations

 

Skandi Skansen – Trenching, Backfill and Pre-Commissioning Operations (Subsea 7) Pierce Depressurisation Project scopes – Infield 28/10/20 – Depart Field on 30/11/20

  • Trench pipeline from Pierce to Shearwater
  • Post trench survey from Pierce to Shearwater
  • Backfill pipeline from Shearwater to Pierce
  • Post backfill/out of straightness survey from Pierce to Shearwater
  • Flood, clean, gauge and strength test pipeline – Scope may be transferred to another campaign (3.3 days infield)

Flintstone (DEME)  –  Rock Dumping Operations - Pierce Depressurisation Project scopes – Infield 22/12/20 – Depart Field on 26/12/20

  • Rock dump installation over trench transitions at Pierce and Shearwater
  • Rock dump installation over crossing location and trench transitions to either side of the crossing

Normand Subsea (Subsea 7) – Pierce Gas Export Pipeline Initial Pre-Commissioning and Shearwater Tie-in Metrology  – Infield 03/01/21 – Depart Field on 09/01/20

  • Pierce 500m zone – Complete survey verifications and as-found survey of pipeline pig launcher/receiver (PLR)
  • Pierce 500m zone - Install hot stab complete with non-return valve on PLR and configure PLR valves to required status
  • Shearwater 500m zone – Complete as-found survey of pipeline PLR
  • Shearwater 500m zone – Deploy and connect downline complete with hotstab to PLR
  • Shearwater 500m zone – Propel 3 off pigs to complete the pipeline flood, clean and gauging operations, whilst configuring the PLR valves as required
  • Shearwater 500m zone – Complete pipeline hydrotest
  • Shearwater 500m zone – Depressurise the pipeline, disconnect and recover downline and complete as-left survey
  • Shearwater 500m zone – Complete pipeline flange to SSIV tie-in flange metrology and complete as-left survey
  • Pierce 500m zone – Confirm pigs have been received with PLR
  • Pierce 500m zone – reconfigure PLR valves and disconnect and recover the hot stab complete with non-return valve
  • Pierce 500m zone – Complete as-left survey
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Survey - Subsea Well 48/30-14 Debris Clearance (Ref: 1159)

A 41 Day Eni Hewett Deborah Subsea Well 48/30-14 Debris Clearance survey. Using Vessel Edda Sun Call Sign: LARF7 From the 5th December until 30th April 2021

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro

Edda Sun

N/A

05/12/2020 - 30/04/2021

For 41 Days

48/30

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Survey - Subsea Well 48/30-15z Debris Clearance (Ref: 1158)

A 41 Day Eni Hewett Little Dotty Subsea Well 48/30-15z Debris Clearance survey. Using Vessel Edda Sun Call Sign: LARF7 From the 5th December until 30th April 2021

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro

Edda Sun

N/A

05/12/2020 - 30/04/2021

For 41 Days

48/30

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Deployment of Buoys - Outer Hebrides

Scottish Association for Marine Science (SAMS) has deployed ten moorings off of the Outer Hebrides in Scotland’s Atlantic Frontier. Moorings will be deployed at the ten locations until October 2021.

The moorings have been deployed as part of a European Maritime and Fisheries Fund project on behalf of Marine Scotland Science, and carry research equipment that records underwater noise and the echolocation clicks of marine mammals.

 

All moorings are sub-surface and extend no more than 6 metres vertically from the seabed. There is more than 50 metres clearance to the surface above every mooring.

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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

Seajack Scylla

3FSA3

As above

As above

29th June 2020 for approximately 12 months

Boa Sub C

LAGE8

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

Windcat17

2BYD

As above As above 9th August 2020 for approximately 2 months

Windcat19

As above As above 20th August 2020 Until further notice

 

     

 

     

Windcat 6

MXFD

As above As above from September 23rd 2020 onwards

GXS Viking

2EKH5

As above As above  

GV Kinnaird 

GHNE

As above

As above

from 16th July 2020 onwards

 

     

GMS Endeavour

3UG6

As above As above 20th August 2020 onwards

 

     

Normand Energy

MBEN9

As above As above 23rd September 2020 onwards
Patriot As above As above 28th October Onwards
World Camila As above As above 1st October 2020 onwards
Living Stone As above As above 1st October 2020 onwards
Deep Cygnus As above As above 1st October 2020 onwards
Grand Canyon 3 As above As above 1st Dec 2020 onwards

Windcat 17

2BYD5

As above As above from July 23rd 2020 onwards
Siem Barracuda As above As above From 11th Nov onwards
Ndeavor As above As above From 24th November 2020 onwards

 

 

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Deployment of Buoy - Blyth Met Mast

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 coast of Blyth, Northumberland

The equipment is deployed close to the Blyth Met Mast as part of a validation study within the existing met mast 250 m consent zone and will be deployed for approximately one month.

Scheduled maintenance is not planned due to the short deployment duration, but unforeseen maintenance may be required.

The equipment is moored through a combination of steel chains, rope and rubber cord to approximately 2250 kg anchor weight at the seabed.

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Cable Survey - Caithness-Moray HVDC

Mariners are advised that a Geophysical survey will be undertaken within the 50m corridor. The survey work will be carried out by MMT using the vessel M/V Topaz Tiamat Call Sign: V7A2125 from 1st December for 7 Days

During this survey the vessel will be deploying underwater survey equipment and at such times the survey vessel may have restricted ability to manoeuvre. Vessels are requested to pass at a safe speed and distance.

 

Project Description

This Caithness-Moray HVDC Cable Survey is geophysical survey performed on behalf of SHET, the route is approximately 110km long between Portgordon and Noss Head landfalls.

 

Survey task

A detailed Geophysical survey will be carried out within the survey area as detailed on the enclosed chart. The survey work will include work-class ROV operations equipped with Multibeam ecosounder, Side Scan Sonar and High Definition Cameras. At a number of selected locations along the route, cable-tracking equipment is to be used in the end of the campaign.

 

Please be aware that by virtue of its mode of operation the Topaz Tiamat will be Restricted in her Ability to Manoeuvre as defined under International Regulations for Preventing Collisions at Sea 1972, Rule 3. Masters of vessels are therefore requested to maintain their vessels and gears at a minimum safe distance from the vessel of 500 metres when it is undertaking work and showing the appropriate shapes and lights in accordance with COLREGs Rule 18.

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Beach Survey - Hornsea Project Four

Orsted Hornsea Project Four Limited will be carrying out beach based geophysical surveys between December 2020 and January 2021 for the purposes of geological investigation of the cable landing for the proposed Hornsea Four Offshore Wind Farm.

Activities will take place in the Hornsea Four landfall area. The extent of the area in which the survey will be conducted is shown in the map overleaf. Survey personnel and equipment will arrive and undertake works from an all-terrain vehicle on the beach.

 

The operations are planned to commence in December 2020 or January 2021 and last approximately 3-4 weeks. The exact survey dates are dependent on weather and work progress.

Survey technicians will access the beach with an all-terrain vehicle(s) and the beach area will be surveyed by technicians on foot with handheld geophysical survey equipment.

The beach will remain open to the public and every effort will be made to ensure that the survey does not inhibit existing beach use.

 

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Met Mast Decluttering & decommissioning works - Moray Offshore Windfarm (East)

Please be advised that Moray Offshore Windfarm (East) Limited (Moray East) will be carrying out some De Cluttering and survey works on the Met Mast using support vessel Windcat 6 from the 24th of November with expected completion being 09th December

Met Mast De-cluttering and Decommissioning Please be advised that Moray Offshore Windfarm (East) Limited (Moray East) will be carrying out Decommissioning and removal of the met mast steel lattice tower and subsea cut of the monopile circa 24/11/2020 for approximately 14 days not inclusive of weather downtime. Personnel and equipment for these works will be based initially on the JUV GMS Endeavour (Figure 1) for decluttering, once the tower structure is demobilised the transition piece and lower section of the monopile will be removed by the Salina (Figure 2). The Selina will be assisted by KML Sarah Grey and KML Severn Sea (Figure 3 & Figure 4). Windcat 6 (Figure 6) will be used for safety purposes providing over the side cover whilst the lattice tower is disassembled by rope access teams. On completion of the works there will be an underwater obstruction to navigation comprising the concrete caisson and lower section of the monopile. A special mark buoy will be deployed to mark the obstruction and a further NTM will be issued once the buoy is installed with its position. The location of the Met Mast where the decommissioning works will take place is depicted in Figure 8.

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Tolmount Development Area

Notice to alert sea users to the mobilisation of the MODU Valaris 123 Jackup Unit in Block 42/28d in October 2020.

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.  Drilling activity is planned for approximately 12 months (subject to further Kingfisher bulletins).

 

The Topaz Tiamat vessel will mobilise to the field w/c 23rd November to carry out a seabed metrology survey within the 500mz.

 

Please note that an Offshore Development Area has also been requested for the Tolmount Development Project work.

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Survey - Seabed Acceptance Test (Ref: 1160)

A 14 day Seabed acceptance Test (SAT) using the vessel MV Ocean Resolution Call sign: 9779446/3EIP9 between 3 December 2020 - 1st April 2021

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Gardline Limited

MV Ocean Resolution

9779446/3EIP9

1500m

3m

03/12/2020 - 01/04/2021

For 7-14 Days

39/17

39/12

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Marine Traffic Survey - Erebus Floating Offshore Wind Farm

A marine vessel traffic survey is due to be undertaken of the proposed Erebus Floating Offshore Wind Farm (FLOW) project. The survey will be undertaken from one survey vessel, ROVER ALPHA, CallSign: MLAS2 from 22nd November 2020 until 06th December 2020

The survey will collect data within the proposed main offshore array area (circa 43.5km2) and the offshore export cable route corridor (nominal 450m width) together with a buffer of up to 10km. The extent of the area in which the survey vessel may be located during the survey is shown in the attached figure with accompanying coordinates. The survey vessel will roam and/or remain on a nominal station within this area for an approximately 14 day duration depending on weather conditions. Dates may be subject to change. The survey vessel will operate on a 24hr basis and display appropriate day shapes and lights at all times during operations. 2 Geographic co-ordinates

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Survey - North Channel TTS

Bathymetric survey works within the North Channel TTS.

Please be advised that A-2-Sea Solutions Ltd will be carrying out Bathymetric survey works within the North Channel TTS. Survey operations will be carried out by the Cerys Line within the area shown below.

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Operations Activity - Leman 27B & ERDA Combined

Combined Operations between Perenco Leman 27B Installation and Petrodec ERDA rig

Please be advised that the ERDA Jack-up Barge has completed transit to the Leman field where it is undertaking project work at the Leman 27B platform (removal of redundant equipment and lifting a pigging module onto the 27BT platform). The ERDA arrived in the field on 7th November with the work scope predicted to take 55 days (excluding weather downtime). The estimated latest departure date is 20th January 2021.

 

Please be advised that whilst the ERDA is at the Leman 27B location, the 27B navigational aids will be turned off. The ERDA navigational aids will remain operational.

 

The ERDA was previously known as the jack up barge Energy Endeavour and the name was changed to ERDA in September 2020.

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Rig Move - Transocean PBLJ to MacCulloch Field

Chrysaor plan to move the Transocean PBLJ semi-submersible drilling rig from the Callanish field to the MacCulloch field location to continue well abandonment operations on the 15/24b-W wells.

Destination:

MacCulloch field 15/24b West Drill Centre.

 

Coordinates (W10 well):

58deg 19' 26.474" N

00deg 41' 49.536" E

(ED50)

 

Mooring: involves 8 pre-laid anchors

 

Throughout well operations there will be a ERRV monitoring the surrounding area.  

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Cable protection operations for moray East export cable

Moray East are planning on carrying out cable protection operations for moray East export cable

Please be advised that Moray Offshore Windfarm (East) Limited (Moray East) are planning to commence cable protection operations post export cable installation work scope circa 16th of November 2020 within the bounds of Moray East Offshore Windfarm Offshore export cable route and site 1 (offshore windfarm area) The work will comprise of rock dumping from the Flintstone via fall pipe, area coverage at each location is shown in Figure 2, 3 and 4 plus coordinates in table 1 below.

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Survey - 2AFRICA SUBSEA CABLE SYSTEM

Alcatel Submarine Networks has contracted Fugro to carry out a cable route survey for the proposed 2Africa cable systems. MV Fugro Meridian - Call Sign: C6QR4.

Please be advised that Fugro will be carrying out marine operations on behalf of Alcatel Submarine Networks for the 2AFRICA SUBSEA CABLE SYSTEMS.

 

The operations along the route will be carried out from approximately 5 December for approximately eight weeks. The exact finish date will be dependent on the prevailing weather conditions and work progress.

 

The vessel will be running a hull mounted multibeam echo sounder along several lines in a 500 to 1000 metre wide corridor centred on the proposed route. Towing equipment such as magnetometer and side scan sonar will be used throughout the works. Time to time the vessel will slow down or stop to measure water properties, as well as perform geotechnical measurements, necessary for this kind of study.

 

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

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Survey - Sheringham Shoal Windfarm

Fugro under Equinor and Scira is conducting a Geophysical survey in Sheringham Shoal Windfarm. Fugro Vessel named "Fugro Mercator" IMO 9299977 will operate from the 20th November until the 17th of December 2020.

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Cable Repair - GTT Segment C

Following cable repair, cable exposed due rocky seabed conditions GTT Guard vessel is patrolling the area to promote awareness of the hazard to fisheries

Notice to fisheries and seabed users in the Irish Sea:

 

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

 

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

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

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

 

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

 

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

 

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

 

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

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Wreck - H17 Wreck Archaeological Exclusion Zone

A known wreck lying to the south of London Array WTG H17 has become exposed. An archaeological Exclusion Zone (AEZ) already exists to protect this known wreck. Marine users are requested to maintain a safe distance around this wreck and current AEZ.

Further surveys are planned in 2021

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Elgood to Blythe & Blythe to Thames, Pipeline Installations

This NtM relates to the installation of two pipelines from Elgood to Blythe and Blythe to Thames, in the UK sector of the southern North Sea.

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

 

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

 

During the second half of 2020 works will include surveys in advance of the pipeline installation, protecting sections of existing pipelines in readiness for the crossing by the new 12-inch pipeline, and the laying and trenching (burial) of the two pipelines.

 

Pipeline Installation Operations

Will be performed from the DP vessel Seven Navica,

Call-sign: M2HR7

MMSI: 232419000

LOA: 109 metres 

Breadth: 22 metres

 

The vessel will be installing a pipeline from her stern and deploying a remotely operated vehicle (ROV) in the water, which will severely restrict her ability to manoeuvre.

 

Pipeline Protection and Testing Operations

Shall be performed by the dynamically positioned (DP) vessel Seven Falcon,

Call-sign: 2EEN9 

MMSI: 235 084 424

LOA: 120 metres 

Breadth: 23 metres

 

The vessel will be using a crane to install heavy subsea equipment and deploying a remotely operated vehicle (ROV) in the water, this will severely restrict her ability to manoeuvre.

 

Pipeline Burial Operations

Will be performed from the DP vessel Grand Canyon III,

Call-sign: LACJ8

MMSI: 257010590

LOA: 128 metres 

Breadth: 25 metres

 

The vessel will be deploying and operating a trenching machine from a midships position and may simultaneously deploy a remotely operated vehicle (ROV) in he water, which will severely restrict her ability to manoeuvre.

 

Prior to burial of the pipeline the vessel shall be performing other preparatory works over the pipeline routes.

 

Pipeline Protection Operations

 

Shall also be performed by the dynamically positioned (DP) vessel Adhémar de Saint-Venant,

Call-sign: LXUD

MMSI: 253 351 000

LOA: 95 metres

Breadth: 22 metres

 

The vessel will be deploying rock protection at specific positions on the 12-inch pipeline whilst maintaining position using DP; this will severely restrict her ability to manoeuvre.

 

General:

 

Whilst performing these activities the vessels shall either be static or moving at an approximate speed of <1 knot. Vessel heading may not be indicative of direction of travel and operations will be conducted on a 24-hour basis.

 

The development area is being monitored by guard vessels MV Ardent and MV Moremma, which can be contacted on: VHF Ch. 16 for advice.

 

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

 

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

 

Location: Elgood to Blythe 6-inch Pipeline

DD MM.mmmm (WGS-84)

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

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

53°18.299’N  01°23.642’E

Point 2

53°17.586’N  01°24.684’E

Point 3

53°17.527’N  01°24.687’E

Point 4

53°16.459’N  01°26.740’E

Point 5

53°15.394’N  01°27.755’E

Blythe Platform locality - Point 6

53°14.512’N  01°26.744’E

Location: Blythe to Thames Pipeline Connection 12-inch pipeline

DD MM.mmmm (WGS-84)

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

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

to Point 2 - Crossing

53°13.748’N  01°27.876’E

to Point 3 – Crossing

53°13.703’N  01°27.942’E

to Point 4 – Crossing

53°06.318’N  01°38.692’E

to Point 5 – Crossing

53° 06.274’N  01°38.759'E

to Point 6 - Crossing

53° 06.247’N  01°38.796’E

to Thames Pipeline Connection locality - Point 7

53° 04.550’N  01°41.259’E

 

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Dropped Mattress - Shell 34" Pipeline

The 6th mattress for the Shell 34” pipeline will be recovered between 14th November - 31st January 2021 by the Seven Falcon. The Fleximat dimensions are 6.4m x 3.0m x 0.5m Weight in Air 15860kg.

During overboarding of the 6th mattress for the Shell 34” pipeline, the crane wire parted when the matt was entering the splash zone at approx. 25m above seabed. The Fleximat dimensions are 6.4m x 3.0m x 0.5m Weight in Air 15860kg.

 

The mat was being overboarded 15m away from the 34” pipeline, the mattress and frame landed on the seabed 6m away from the 34” pipeline

  • Fleximat 6.4x3.0x0.5m 2.4 & 3.2te/m3 Concrete Mattress – Weight in Air 15860kg
  • Mattress Lift frame – 6.3x2.4m – Weight in Air 1.7te
  • Approx. 25m Crane wire
  • 0.5t Crane Block

25m Crane wire and 0.5te Crane Block safely recovered 13:50, 08/09/20.

 

Plan is to recover mattress but inspections into the current state of the mattress are required to determine a suitable recovery methodology.

 

A marine licence (ML/634) application has been submitted and approved by BEIS,  A variation to extend the marine licence to 14th November 2020 was approved by BEIS on 2nd November, and a second variation for extension to 31st January 2021 is now pending with BEIS.  This is due to scheduling delays due to poor weather.  The mattress frame and mattress will now be recovered by the Seven Falcon offshore support vessel.

 

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Dropped Boulders (~3 tonnes each)

In addition to the reported 15x boulder positions from 21 September, we have been informed of a further 19x boulders that have been dropped from the vessel 'Esperanza' in the Dogger Bank area. It is estimated these may be laying ~1m above the seabed.

These boulders have seemingly been deployed in groups at different times, with notification via the UKHO.

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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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Rig - Energy Endeavour

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

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Maersk Highlander at Elgin WHP B

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

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

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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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Cable Installation - Havhingsten (Manx Waters)

The installation of the Havhingsten fibre optic telecommunication cable system has been granted marine licences and the pre-installation works & installation of the offshore section is expected to start on or around the 16 October in Manx Waters.

Please be advised that installation of the Havhingsten fibre optic telecommunication cable system is planned to commence from mid November onwards in the Isle of Man region.

 

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. 

 

Landfall will be made at Port Erin and Port Grenaugh.

 

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

 

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

 

Shore-end tie-in at Port Grenaugh:

The Beach Manhole (BMH) is where the interface between the marine cable and terrestrial cable will be permanently housed. At Port Grenaugh the BMH will be constructed above the MHWS ahead of the marine installation.

 

Direct landing at Port Grenaugh will take place on Thursday 3 December and is expected to take up to 1 day.

 

Shore-end tie-in at Port Erin:

The Beach Manhole (BMH) is where the interface between the marine cable and terrestrial cable will be permanently housed. At Port Erin the BMH will be constructed above the MHWS ahead of the marine installation.

 

Direct landing at Port Erin will take place on Sunday 13 December and is expected to take up to 1 day.

 

Pre-installation works:

Prior to the start of marine cable installation, it is essential to ensure the marine cable corridor route is clear of obstructions that may hinder the installation works. A pre-lay grapnel run (PLGR) will be undertaken to clear any seabed debris, such as lost fishing gear. The PLGR run will be conducted over the length of the proposed cable route prior to installation and commencing at a target rate of 25km per day.

 

PLGR works will start on Sunday 15 November and undertaken by the Wilson Adriatic. The cable corridor has been split up into 6 blocks to provide a clearer indication of dates of the PLGR and installation works; please see figures below and table of timings.

 

Offshore installation, ploughing and cable lay:

The cable will be installed with two branches into the Isle of Man, one into Port Erin and another into Port Grenaugh.  The cable will be buried using a submarine cable plough. The burial progress speed is relatively slow and is normally between 0.5 – 1 km/hour and subject to seabed type, burial depth and weather.

 

Cable installation will start on Friday 4 December and undertaken by the Ile de Batz. The cable corridor has been split up into 6 blocks to provide a clearer indication of dates of the PLGR and installation works; please see figures below and table of timings.

Planned timings of works are as per below:

 

Area

Block no.

PLGR

Installation

Post-Lay Inspection Burial

Post-rock placement

IoM (Port Grenaugh) S1.4

6

15 - 16 November

4 - 6 December

January 2021

NA

IoM (Port Grenaugh) S1.4

5

15 - 16 November

6 - 11 December

January 2021

March 2021

IOM and UK S1.3

4

16 - 17 November

11 - 13 December

NA

NA

IOM and UK S1.3

3

16 - 17 November

11 - 13 December

NA

NA

IoM (Port Erin) S1.2

2

17 - 19 November

13 - 16 December

January 2021

NA

IoM (Port Erin) S1.2

1

17 - 19 November

16 - 18 December

January 2021

March 2021

 

Expected speed of installation will be 17 km per day.

 

There will be also be rock placement operations post cable installation at 2 locations within IoM waters listed below, associated with the Western HVDC cable. The rock berms will be over trawlable and in-line with industry standards.

 

Rock Placement Location Name

Latitude

Longitude

Western HVDC_West (S1.2)

53° 54.7007' N

4° 58.3552' W

Western HVDC_East (S1.4)

53° 53.8396' N

4° 34.1792' W

 

 

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

 

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

 

Details of vessels proposed to be used are provided below:

 

PLGR Vessel: Wilson Adriatic                                                                                                                                         

Length Overall : 90 m

Breadth : 19 m

 

Cable Installation Vessel: Ile de Batz                                                                                                        

Length Overall:                                  138.35 m

Breadth:                                              27.45 m                               

 

Cable Installation Support Vessel: Ile d’Aix                                                                                                            

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

Length Overall:                                  140.36 m

Breadth:                                              23.4 m

 

Rock Placement Vessel (Van Oord) TBC

 

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

 

Call Sign of vessels:

Wilson Adriatic:                OYOJ2

Ile de Batz:                       FOSU

Ile d’Aix:                           FICI

Rock placement vessel TBC

 

 

 

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Relocated Unexploded Ordnance - Neart na Gaoithe Offshore Wind Farm

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

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

 

Latitude Longitude Target
56°14.752’N 02°18.472’W G_MAG_0029
56°14.760’N 02°18.474’W G_MAG_0010
56°14.154’N 02°14.886’W E_MAG_0683
56°13.677’N 02°18.681’W ERC_O_MAG_0332_A
56°14.955’N 02°17.445’W E_MAG_0068
56°14.953’N 02°17.437’W E_MAG_0070
56°14.607’N 02°17.618’W E_MAG_0036
56°15.399’N 02°19.521’W G_MAG_0109
56°14.766'N 02°17.025’W E_MAG_0227
56°14.131’N 02°18.011’W E_MAG_0008
56°14.568’N 02°18.617’W E_MAG_0018
56°15.875’N 02°14.986’W C_MAG_0070
56°13.739’N 02°18.685’W ECR_O_MAG_0362_A
56°13.784’N 02°18.671’W ECR_O_MAG_0378
56°02.740’N 02°21.208’W ECR_M_MAG_0708
56°17.788’N 02°16.833’W B_MAG_0200

 

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Inter Array cable Termination and testing

Please be advised that Moray Offshore Windfarm (East) Limited (Moray East) are carrying out Inter Array Cable Testing and Termination Works within the bounds of site 1.

Inter Array Cable Termination and Testing. Please be advised that Moray Offshore Windfarm (East) Limited (Moray East) are carrying out Inter Array Cable Testing and Termination Works within the bounds of site 1. The Testing and Termination Works will be carried out from the Offshore Substation Platforms and Wind Turbine Generators. Personnel and equipment for these works will be based on the Offshore Support Vessel, Siem Barracuda. Personnel and equipment will be transported by the Siem Barracuda between Offshore Substation Platforms and Wind Turbine Generators. Siem Barracuda will be completing Testing and Termination works on the cable routes identified in Figure 3. Siem Barracuda will be restricted in its ability to manoeuvre during transfer of personnel and equipment to and from the Offshore Substation Platforms and Wind Turbine Generators. The overall work scope will be carried out in 2 campaigns – Campaign 1 commencing 11/11/20 to 23/01/20 and Campaign 2 commencing 04/04/21 to 11/06/21.

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Exposed HDD duct on export cable corridor

Please be advised that Moray Offshore Windfarm (East) Limited (Moray East) has carried out the laying of a subsea power cable between the Moray East Windfarm site and cable landfall (HDD ducts near Boyndie Bay.

Exposed HDD duct on Export Cable Corridor. Please be advised that Moray Offshore Windfarm (East) Limited (Moray East) has carried out the laying of a subsea power cable between the Moray East Windfarm site and cable landfall (HDD ducts near Boyndie Bay). Two of the three Moray East Export cable HDD exits are lowered below the seabed. The HDD duct for Offshore Export Cable no.1 will be subject to further lowering, with these works planned during December 2020. This area will be guarded by the guard vessel ‘Resplendent’ until further notice. HDD 1 exit location is shown on page 2 and expanded table of coordinates on page 3.

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Subsea power cable - laying and trenching operations - Moray Offshore Windfarm (East)

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

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

 

Please be aware that by virtue of its mode of operation the NKT Victoria and Havila Phoenix will be Restricted in their Ability to Manoeuvre (RAM) as defined under COLREGs (International Regulations for Preventing Collisions at Sea 1972, Rule 3). Masters of vessels are therefore requested to maintain their vessels and gears at a minimum safe distance from the vessel of 500 metres when it is undertaking work and showing the appropriate shapes and lights in accordance with COLREGs Rule 18. Further updates and Weekly notice of operations can be accessed in the Moray East Website

 

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

 

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

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Seabed Activity Bluemull Sound (Shetland) – Subsea Tidal Array

The purpose of the operation is to conduct work on a subsea tidal energy array in the Bluemull Sound, Shetland.

A multicat vessel the Leask Marine MV C-Fenna (call sign MBAH3) or a similar vessel will conduct offshore and subsea operations. Works will include loading and preparatory work at Cullivoe Pier and Belmont Pier. The work will be conducted over the months of November, December and January 2020. Operations could take place during the day or at night.   Operations will be conducted within the works area bounded by points A/B/C/D below and up to 50m either side of the cable corridor route; see waypoints below.

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Revoked Safety Zone: Well WPOZ, Block 16/06a, West Brae Field

A safety zone for the above location/structure has been revoked by the Secretary of State. This will come into force on 18th November 2020. Your FishSAFE Information will be updated in the next release.

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New Safety Zone: Elgood Wellhead, Elgood, Block 48/22c

A new safety zone has been granted by the Secretary of State for the above location/structure. For installations already on location the safety zone will come into force on 18th November 2020.

This safety zone may be new, or an amendment to an existing zone. It may also replace a safety zone in place around a platform, or other surface structure for the purposes of decommissioning.

 

Your FishSAFE Information will be updated in the next release.

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New Safety Zone: Solan Well P3, Solan, Block 205/26a

A new safety zone has been granted by the Secretary of State for the above location/structure. For installations already on location the safety zone will come into force on 18th November 2020.

This safety zone may be new, or an amendment to an existing zone. It may also replace a safety zone in place around a platform, or other surface structure for the purposes of decommissioning.

 

Your FishSAFE Information will be updated in the next release.

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New Safety Zone: Seagull Well 22/29c-JA, Seagull, Block 22/29c

A new safety zone has been granted by the Secretary of State for the above location/structure. For installations already on location the safety zone will come into force on 18th November 2020.

This safety zone may be new, or an amendment to an existing zone. It may also replace a safety zone in place around a platform, or other surface structure for the purposes of decommissioning.

 

Your FishSAFE Information will be updated in the next release.

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New Safety Zone: Penguins Riser Base Manifold, Penguins, Block 211/13a

A new safety zone has been granted by the Secretary of State for the above location/structure. For installations already on location the safety zone will come into force on 18th November 2020.

This safety zone may be new, or an amendment to an existing zone. It may also replace a safety zone in place around a platform, or other surface structure for the purposes of decommissioning.

 

Your FishSAFE Information will be updated in the next release.

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New Safety Zone: DUTA Structure, Huntington, Block 22/14b

A new safety zone has been granted by the Secretary of State for the above location/structure. For installations already on location the safety zone will come into force on 18th November 2020.

This safety zone may be new, or an amendment to an existing zone. It may also replace a safety zone in place around a platform, or other surface structure for the purposes of decommissioning.

 

Your FishSAFE Information will be updated in the next release.

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New Safety Zone: Columbus Tie-In Structure, Lomond (Columbus), Block 23/16f

A new safety zone has been granted by the Secretary of State for the above location/structure. For installations already on location the safety zone will come into force on 18th November 2020.

This safety zone may be new, or an amendment to an existing zone. It may also replace a safety zone in place around a platform, or other surface structure for the purposes of decommissioning.

 

Your FishSAFE Information will be updated in the next release.

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New Safety Zone: Callanish (F5) Subsea, Callanish, Block 15/29b

A new safety zone has been granted by the Secretary of State for the above location/structure. For installations already on location the safety zone will come into force on 18th November 2020.

This safety zone may be new, or an amendment to an existing zone. It may also replace a safety zone in place around a platform, or other surface structure for the purposes of decommissioning.

 

Your FishSAFE Information will be updated in the next release.

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New Safety Zone: Amethyst C1D, Amethyst, Block 47/14a

A new safety zone has been granted by the Secretary of State for the above location/structure. For installations already on location the safety zone will come into force on 18th November 2020.

This safety zone may be new, or an amendment to an existing zone. It may also replace a safety zone in place around a platform, or other surface structure for the purposes of decommissioning.

 

Your FishSAFE Information will be updated in the next release.

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New Safety Zone: Amethyst B1D, Amethyst, Block 47/15a

A new safety zone has been granted by the Secretary of State for the above location/structure. For installations already on location the safety zone will come into force on 18th November 2020.

This safety zone may be new, or an amendment to an existing zone. It may also replace a safety zone in place around a platform, or other surface structure for the purposes of decommissioning.

 

Your FishSAFE Information will be updated in the next release.

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New Safety Zone: Amethyst A2D, Amethyst, Block 47/14a

A new safety zone has been granted by the Secretary of State for the above location/structure. For installations already on location the safety zone will come into force on 18th November 2020.

This safety zone may be new, or an amendment to an existing zone. It may also replace a safety zone in place around a platform, or other surface structure for the purposes of decommissioning.

 

Your FishSAFE Information will be updated in the next release.

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New Safety Zone: Amethyst A1D, Amethyst, Block 47/14a

A new safety zone has been granted by the Secretary of State for the above location/structure. For installations already on location the safety zone will come into force on 18th November 2020.

This safety zone may be new, or an amendment to an existing zone. It may also replace a safety zone in place around a platform, or other surface structure for the purposes of decommissioning.

 

Your FishSAFE Information will be updated in the next release.

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Drilling - Glengorm Appraisal Campaign

The Borr Prospector 5 Heavy Duty Jack Up Rig will be positioned at the Glengorm South appraisal well location 22/26d-C.

The Borr Prospector 5 Heavy Duty Jack Up Rig will be positioned at the Glengorm South appraisal well location 22/26d-C.The rig will remain on location for approximately 216 days before departing to the second appraisal well location on Glengorm, well 22/21c-C.

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Survey - Tolmount Pipeline Survey PL4849 (Ref: 1157)

A 6 day pipeline survey along the Tolmount Pipeline (PL4849). A specialised multi-camera system (SICAM) will be deployed via a WROV from where sequences of photographs shall be taken along the proposed spool route at the Tolmount Main Platform.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Premier Oil UK Ltd

Topaz Tiamat

V7A2125

N/A

18/11/2020 - 14/12/2020

For 6 Days

48

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Survey - Tolmount Pipeline Survey PL4849 (Ref: 1156)

A 6 day pipeline survey along the Tolmount Pipeline (PL4849). Using the vessel Topaz Tiamat Call sign: V7A2125

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Premier Oil UK Ltd

Topaz Tiamat

V7A2125

N/A

18/11/2020 - 14/12/2020

For 6 Days

48

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Survey - Seabed Debris Garten Drilling Location (Ref: 1154)

A 1 day Seabed debris survey covering the anchor pattern of a semi-submersible rig at the Garten drilling location. 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

07/11/2020 - 31/03/2021

For 1 Day

9/12

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Survey - Seabed Debris Garten Drilling Location (Ref: 1152)

A 1 day Seabed debris survey covering the anchor pattern of a semi-submersible rig at the Garten drilling location. 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

07/11/2020 - 31/03/2021

For 1 Day

9/13,14,18

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Survey - Seabed Debris Storr Drilling Location (Ref: 1151)

A 1 day Seabed debris survey covering the anchor pattern of a semi-submersible rig at the Storr drilling location. 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

07/11/2020 - 31/03/2021

For 1 Day

9/19

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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 Movement - Deepsea Atlantic

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

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Rig - West Mira

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

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Temporarily Uncovered Mattresses- Seagull/Madoes Umbilical Crossing

Temporarily Uncovered Mattresses- Seagull/Madoes Umbilical Crossing Location. Recently placed mattresses that have been deployed could pose a snagging hazard. This will be rectified (via rock placement) within the next 10 days.

As part of the Seagull development, mattresses have been deployed across the Madoes/Seagull Umbilical crossing location that will be covered by rock placement. Until the rock placement takes place, these mattresses could pose a snagging hazard- this is believed to be unlikely due to their design and placement within a naturally created trench but this alert is a precautionary measure. 

 

For information, the rock placement will take place over the next 10 days and this notice will be closed following confirmation of completion of operations. 

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Inter Array Cable Burial works - Moray East Wind Farm

Please be advised that Moray Offshore Windfarm (East) Limited (Moray East) are carrying out Inter Array Cable (IAC) burial works within the bounds of site

The cable trenching (post lay burial) will be completed by tracked- on bottom trenching tools. WROV surveys will be conducted once the cable is buried.

 

Two trenching support vessels ,Grand Canyon 3 and the Boskalis Ndeavor, will be completing operations on the cable routes identified in Figure 2.

 

Both vessels will complete launch and recovery operations of the trenching tools, and will be restricted in their ability to manoeuvre during trenching and WROV operations.

The overall work scope will be carried out in 2 campaigns – Campaign 1, commencing 07/11/20 to 03/01/20 and Campaign 2, commencing 20/02/21 to 12/05/21.

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Survey - Pipeline Survey PL76 Pre-Decommissioning

Perenco UK Limited plan to complete a pre-decommissioning survey of the PL76 pipeline (UKCS block 49/18 and 49/23), utilising the Noordhoek Pathfinder. The survey is due to commence 6th November 2020 (at the earliest) with an expected duration of 1 day.

The pre-decommissioning surevy of the PL76 pipeline, located in the Inde field (UKCS block 49/18 and 49/23) will consist of side scan sonar, multi beam echo sounder, sub bottom profiler and environmental grab samples along the 4.5km route of the pipeline.

 

The survey is planned to commence on 6th November 2020 (at the earliest) with an estimated duration of 1 day.

 

The survey will be completed using N-Sea's multi purpose vessel the Noordhoek Pathfinder.

 

Please note - upon completion of the survey the Noordhoek Pathfinder will continue with a suite of Perenco surveys. The expected duration of the survey suite is 13 days, with a atest end date of 6th December 2020.

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Survey - Inde 18A Pre-Decommissioning Survey

Perenco UK Limited plan to complete a pre-decommissioning survey of the Inde 18A platform (UKCS block 49/18), utilising the Noordhoek Pathfinder. The survey is due to commence 6th November 2020 (at the earliest) with an expected duration of 1 day.

The pre-decommissioning surevy of the Perenco platform Inde 18A (UKCS block 49/18) will consist of side scan sonar, multi beam echo sounder, passive magnetometer and environmental grab samples within the 1km x 1km surevy area around the platform.

 

The survey is planned to commence on 6th November 2020 (at the earliest) with an estimated duration of 1 day.

 

The survey will be completed using N-Sea's multi purpose vessel the Noordhoek Pathfinder.

 

Please note - upon completion of the Inde 18A platform survey the Noordhoek Pathfinder will continue with a suite of Perenco surveys. The expected duration of the survey suite is 13 days, with a atest end date of 26th November 2020.

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Soil plug removal operations - Moray East Offshore Windfarm

Please be advised that SPR operations will commence using the Boa Sub C , Atlantic Tonjer and Normand Energy ,Boa Sub C will also commence grouting ops within Moray East Offshore Windfarm Construction area from the 21st of June 2020 until further notice.

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

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Deployment of Wave Survey Buoy - East of Lunna Ness

Deployment of an AquaNode Wave Buoy at 60 24.472'N, 001 4.956'W Deployed at a depth of 70m, moored with a block on the seabed with a mooring swing radius of 200m about the location given above Deployment Start 27 October 2020. Deployment End April 2021

Colour: Bright Yellow

Dimensions: 750mm Ø x 391mm

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Sound measurement study Hywind Scotland Pilot Park

Hywind Scotland Pilot Park is performing a sound measurement study where the purpose is to document the operational noise from floating offshore wind turbines and their substructures, mooring lines and cables.

As part of the Hywind Scotland Wind Park, Equinor has subcontracted Jasco Applied Sciences to perform sound recordings in the park area and in a control location in Buchan Deep (near cross over point between the FORTIES to CRUDEN Bay oil line and the GAS line). See map and positions below.

 

The purpose of the sound measurement study is to document the operational noise from floating offshore wind turbines and their substructures, mooring lines and cables. It is part of an internal Equinor Research &Technology project that aims to increase knowledge on possible environmental implications of floating offshore wind, i.e. in this particular study, the possible impact ranges of sound from the wind park on marine mammals and fish. The results from the sound measurement study is important also for further technology development.

 

The Equinor contracted “MCS Swath1” (crew vessel) will be used for the deployment and retrieval of the sound recorder equipment (hydrophones). The field activity in connection with both deployment and retrieval will take one day, however, the recording period will be approximately 3 months from ultimo October 2020 to ultimo January 2021.

 

The recorders were deployed October 21. Yet, no exact date is set for the retrieval of the equipment (ultimo January 2021).

 

All Equinor installed equipment shall remain in position for the duration of the survey, but all equipment will be removed from seabed when the recording period is over. Also, there will be no bouys on sea surface or lines in the water column. All equipment will be placed on sea floor at approximately 100 meters depth by the help of an anchoring plate, which fastens the equipment and eliminates drifting of equipment. The equipment will have a height of maximum 1 meter above seabed, and the plate mooring system has the dimension 914 x 527 x 864 mm.

 

This equipment collects data and information of environmental importance and could get damaged or lost if trawled over.

 

When the equipment is retrieved, the acoustic release will be activated and the equipment will be lifted by crane.

 

 

Positions for recorders in wind park and in control location

 

Location

Latitude

Longitude

Easting (m)†

Northing (m)†

Hywind Scotland

57° 29' 04.2741" N

1° 20' 33.8512" W

599357.410

6372534.418

Control

57° 31' 48.0000" N

1° 07' 33.6000" W

612209.809

6377933.954

 

 

 

Vessel Specification

 

Details of the vessel MCS Swath1 can be seen via the following document.

 

https://www.maritimecraft.co.uk/files/MCS-SWATH-1.pdf

 

According to information in the specification, a deck crane of load 500 kgs is installed. The crane and a mobile winch will be used to deploy and retrieve sound recording equipment.

 

 

 

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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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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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Scientific mooring deployments - West of Orkney and Thurso Bay

Partrac Ltd. Installed marine sensors at 3 sites in Thurso bay and west of Orkney on Stormy bank, over the period 15th to 17th October 2020.

Sub-surface moorings will be deployed at three survey locations, each marked with a simple surface buoy positioned ~200m from the instrument location. A surface moored wave buoy will also be deployed at Survey point 5. The wave buoy is fitted with a 2m whip antenna, with a light sequence of Y.Fl.5(20s)

 

Instrumentation at Southern Stormy Bank relocated 

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Deployment of oceanographic sensors - Dee Estuary

Oceanographic sensors will be deployed for a period of 12 months at 4 locations at the mouth and to the north of the Dee Estuary.

Oceanographic sensors will be deployed for a period of 12 months at 4 locations at the mouth and to the north of the Dee Estuary. The sensors will be deployed in early November 2020 using the Port of Mostyn workboat, Eileen. Each location will be marked by a yellow surface buoy with a yellow 'X' topmark and will be lit with characteristics Fl.Y.(5)20s.

 

A 50m exclusion is requested from the marker buoy. Each location will be visited at 3 month intervals for mooring maintenence, using the Port of Mostyn workboat, Eileen.

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Surface laid cable - Havhingsten, Eastern Irish Sea

Prior to rock placement there is a maximum of 50m of cable surface laid at a cable crossing. It is advised that extra care is taken when vessels are operating near this area and that no vessel should trawl within 250m.

Please be advised that, installation of the Havhingsten fibre optic telecommunication cable system is almost complete in the Eastern Irish Sea.

 

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 for the eastern Irish Sea region (UK Northwest and Isle of Man) is shown below.

 

Installation was via industry standard burial tools including water jetting and ploughing. Cable burial has been performed to a target of 1.5m.

 

The Havhingsten cable crosses 2 pipelines within the Eastern Irish Sea, 1 of which will require external rock protection (Western HVDC link). Post-rock installation is now expected in March 2021. The cable crossing is located approximately 50km offshore.

 

Prior to rock placement there is a maximum of 25m of cable surface laid with Uraduct protection either side of the crossing. Coordinates of the crossing are provided in the table below. It is advised that extra care is taken when vessels are operating near the area and that no vessel should trawl within 250m from the listed coordinates.

Crossing

Approximate distance offshore (km)

Latitude

Longitude

Western HVDC Link

50

53°45.9867’ N

003°48.9137’ W

 

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Abandoned Well - 30/12d-11

This wellhead has been removed from the seabed.

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ADCP deployment on the seabed - Loch Carron

Deployment of Scientific Acoustic Doppler Current Profiler on the seabed with no surface markers

We intend to deploy a scientific acoustic doppler current profiler on the seabed in outer Loch Carron, with no surface markers.

 

Location: 57°21.43'N  005°40.41'W

Water depth around 50 m

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Dropped Object - Hornsea Two Offshore Wind Farm

Noise monitoring frame(steel 1m3 frame approx. 40kg), hydrophone,riser buoy,clumped(100kg chain clump weight) & 50m Dyneema riser line(dia.~25 mm)remain after the riser line was severed below the surface buoy.Surface marker buoy and pellet buoy recovered.

The riser line was severed below the surface buoy and it has not been possible to recover the items. Investigations as to the cause of the loss are ongoing.

 

Possible risk of entanglement from remaining riser line.

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Anchor Weight Chain 800kg - East Anglia One

There is most likely an anchor weight remaining on site. This is a bundle of approx. 800kg scrap anchor chain. Dimensions of object: Wave buoy mooring consisting: Anchor chain bundle: approx. 1.5 m x 2 m x 1 m

There is likely <0.5m presence of the anchor at the seabed so no risk to navigation is perceived.

 

There is a small potential for entanglement with fishing gear should trawling be undertaken in the area should equipment remain on seabed surface. No navigational risks are perceived.

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Rig - COSL Promoter

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

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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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Survey - Culzean (Ref: 1140)

A 1 day Geological Survey at the Culzean Well

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Total E&P North

TBA

2m

5m

12/10/2020 - 31/12/2020

For 1 Day

22/23

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Survey - Pre-decommissioning at the Galahad Platform (Ref: 1141)

A Pre-decommissioning survey at the Galahad Platform from around 15 October to 31 December 2020 for 1 Day. Vessel:TBC

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Perenco UK Limited

TBC

N/A

15/10/2020 - 31/10/2020

For 2.5 Day

48

 

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Survey - Pre-decommissioning at the Bessemer Platform (Ref: 1137)

A Pre-decommissioning survey at the Bessemer Platform from around 18 October to 31 December 2020 for 1 Day. Vessel:TBC

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Perenco UK Limited

TBA

N/A

15/10/2020 - 31/10/2020

For 1 Day

49

 

This is a seab

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Dropped Anchor - Gwynt y Mor Offshore Wind Farm

The original anchor consisting of approximately 350kg of scrap chain at the previously as laid position:53°28.615 N 003°30.192 W could not be recovered and remains on the sea bed.

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Deployment of Buoy - Project Erebus Floating Offshore Wind Farm

The Project Erebus Wave Buoy had broken free of its mooring but was successfully recovered in the evening of the 21.09.20. The Wave Buoy is to be redeployed at a different location than its original deployment.

They will be maintained in position via appropriate mooring systems for a 12-month period.

 

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

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

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Survey - Berwick Bank Wind Farm and Marr Bank Wind Farm

SSE Renewables will be undertaking a subtidal benthic survey of the Berwick Bank Wind Farm and Marr Bank Wind Farm areas, and cable routes.The survey will be within the proposed Berwick Bank and Marr Bank wind farm site boundaries and export cable routes.

The survey work is being undertaken by Ocean Ecology and will be conducted from the Marshall Art Call Sign: 2HWN3 and Seren Las Call Sign: MDAH2 vessels.

 

Survey Tasks The survey is to be split into 2 distinct areas using the offshore survey vessels: 1. Survey work covering the Berwick Bank Wind Farm and Marr Bank Wind Farm areas and the cable route further offshore in deeper water will be undertaken by the Marshall Art and will likely take approx. 10 days to complete (24hr operations possible) 2. Survey work covering the cable routes closer to shore in shallower waters will be undertaken by the Seren Las and will likely take 10 days to complete (12hr operations only)

During the survey campaign, the vessels will be deploying underwater equipment in order to gather data on the ecology of the seabed. These include grab sampling, drop down camera work and scientific beam trawls. However, despite equipment being deployed and the modes of operation, SSE Renewables are not requesting a 500m clearance at this time. The vessels will be generally unrestricted in their movements and will adhere to normal navigation protocol.

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Abandoned Well - 211/19-2

This wellhead has been removed from the seabed.

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Dropped Anchor Weight and Mooring

Anchor weight and mooring from lidar buoy, composed of approx 2250 kg scrap anchor chain, 19mm chain, 20 mm dyneema rope. Dimensions of object: Approx. 2.5 m2 (w) and 1 m height.

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Exposed Cable - Beatrice Offshore Windfarm

Rock Replacement Operations on a short area (4m) of partial exposure of Export Cable EC2 is in the vicinity of the mid cable joint at the location where the cable changes direction. Vessel MV Olympic Artemis Call sign: LAFV8. Work Commencement date TBC.

ROn behalf of Beatrice Offshore Windfarm Ltd, MV Olympic Artemis Call sign: LAFV8 will deploy rock bags over a four-metre section of exposed export cable.

 

Work Commencement date TBC.

 

During this operation the MV Olympic Artemis will be restricted in its ability to manoeuvre and will be displaying the appropriate lights and day signals. All vessels are there for requested to give a wide berth when passing.

 

At present the MFV Reaper is acting as a guard vessel at this location, further information is available in previously issued Beatrice notice to mariners NTM-BE-00005 - Export Cable Guard Vessel. MFV Reaper will remain on location throughout operations until the partial exposure has been proven to be satisfactorily covered.

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Trawl Sweep at Renee Well 15/27-8 (Seabed Clearance)

The MV "Ocean Trust" FR152 has completed a 1 day trawl sweep operation over the Renee Well 15/27-8. No significant debris was recovered and there was no damage to the gear.

 On 12 October 2020, an area of 1,000m2 was ‘swept’, centred on the well, at a water depth of approx. 144 metres.

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Deployment of Buoys - Hornsea Project Two

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

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

 

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

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Catcher North and Laverda Safety Zone

The Catcher North and Laverda Safety zone is now live.

The Catcher North and Laverda Safety zone (Catcher North and Laverda Subsea Installation, Block 28/9a, Catcher North and Laverda Field) issued in Statutory Instrument No. 390 of 2020 - The Offshore Installations (Safety Zones) Order 2020 is now live/in force.

 

This safety zone has a radius of 500 metres from the specified position: 56°48.927’N 00°44.087’E

 

https://www.legislation.gov.uk/uksi/2020/390/pdfs/uksi_20200390_en.pdf

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Abandoned Well - 15/22-16

This wellhead has been removed from the seabed.

The Wellhead has been cut ~11ft below seabed. An explosive charge was subsequently used to free the wellhead for recovery. A seabed clearance survey has been completed to a radius of 100m via ROV and the seabed has been confirmed to be clear and reinstated. A seabed Clearance Certificate has been issued.

 

Contrary to the original plan, the wellhead has not been recovered. Following a successful controlled explosive severance detonation it is probable that the stump has relocated into  a void that was created during the detonation at the cutting depth below the seabed surface, that was big enough to swallow the length of cut casing. The subsequent 100 metre radius ROV search of the well area failed to identify any presence of the wellhead, hence the operation was terminated without wellhead recovery, and the abandonment is considered complete.

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Construction of Wind Farm (Neart na Gaoithe)

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

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

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

 

Buoyage

 

Five special markers are now in position:

 

Name Location

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

56°18.180'N 02°12.075'W

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

56°15.643'N 02°09.329'W

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

56°12.294'N 02°15.796'W

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

56°14.038'N 02°18.975'W

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

56°18.924'N 02°18.951'W

 

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

 

Name Location

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

56°20.425'N 02°14.617'W

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

56°14.329'N 02°08.558'W

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

56°12.294'N 02°09.760'W

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

56°17.057'N 02°21.084'W

 

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

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Survey - Galleon PN Debris Survey (Ref: 1143)

A 3 day Galleon PN Debris & Environmental Survey from 30 September 2020 until 30 December 2020. Vessel: Fugro Searcher Call Sign: C6EIF.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Fugro GB (North)

Marine Limited

M.V Fugro Searcher

C6EIF

N/A

30/09/2020 - 30/12/2020

For 3 Days

48

 

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Survey - Pipeline Survey PL1166, PL1167 (Ref: 1142)

A 1 day Pipeline Survey PL1166, PL1167 from 15 September 2020 until 31 December 2020.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Perenco TBA

N/A

15/09/2020 - 31/12/2020

For 1 Day

48

 

 

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Rhum 3 (R3) Well Intervention

Serica Energy is completing a well intervention operation at the Rhum R3 location in UK License Block 3/29, located in the Northern North Sea

Location Name:

Rhum R3

UK Licence Block:

3/29

Surface Co-ordinates (WGS84):

60° 06.962' N 001° 43.337' E

Start Date:

Approx. 8th October 2020

Duration:

Approx. 80 Days

Rig Name:

WilPhoenix

ERRV:

Esvagt Sigma

Safety Zone:

500 metre radius

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Survey - Brodick Development Route Survey (Ref: 1136)

A 7 day survey around the Brodick Dvelopment from 11 October 2020 until 31 January 2021. Vessel: Ocean Reliance Call Sign: HP6391.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Gardline Limited

Ocean Reliance

HP6391

3m

3m

11/10/2020 - 31/01/2021

For 7 Days

15

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Rig - Ocean Endeavour

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

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Survey - Brodick Well Rig Site Survey (Ref: 1135)

A 7 day survey around the Brodick Well from 11 October 2020 until 31 January 2021. Vessel: Ocean Reliance Call Sign: HP6391.

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block
Gardline Limited

Ocean Reliance

HP6391

3m

3m

11/10/2020 - 31/01/2021

For 7 Days

15

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Cardinal Buoys - Banff Field

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

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

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Deployment of Buoy - Brei Geo Offshore, Sandsound Voe, Shetland

Deployment of a current meter mounted in a frame on the seabed at a depth of 37m, connected via leaded ground line to an anchored surface buoy 50m SW of the instrument. Deployment Start 25th September. Deployment End January 2021.

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Rig Movement (Seafox 7)

The rig has moved to this location. 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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Buzzard Field - unconnected subsea infrastructure

Drilling activity in the Buzzard Field will cease for 2020 in September leaving 4 x Xmas Trees and 2 x wellhead conductors unconnected in the field until the subsequent subsea campaign in 2021. The locations are in the table below.

Subsea structure

Manifold Slot

Coordinates ED50

Protection structure

PN1

57° 50' 44.150" N

000° 54' 35.320" W

Xmas Tree

PN3

57° 50' 42.899" N

000° 54' 34.214" W

Protection structure

PN5

57° 50' 44.988" N

000° 54' 38.071" W

Xmas Tree

PN7

57° 50' 45.401" N

000° 54' 36.426" W

Xmas Tree

IN1

57° 50' 45.817" N

000° 54' 34.780" W

Xmas Tree

IN2

57° 50' 43.312" N

000° 54' 32.569" W

 

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Marine aggregate dredging activity - South Coast England

It is anticipated that dredging operations will commence in the MMO licensed Area 488 off the south coast of England from 1st October 2020.

Area 488 is located 5nm off the coast of Littlehampton and defined by the latitude and longitude co-ordinates below (WGS84):

 

50 42.0334 N   0 30.8317 W

50 42.0325 N   0 31.3748 W

50 42.1980 N   0 31.2169 W

50 42.2317 N   0 31.1413 W

50 42.2618 N   0 31.2347 W

50 42.4985 N   0 31.0181 W

50 42.4633 N   0 31.4369 W

50 42.6556 N   0 31.9618 W

50 42.7292 N   0 31.9870 W

50 42.7997 N   0 31.9113 W

50 42.9439 N   0 31.9366 W

50 43.0945 N   0 32.2444 W

50 43.1406 N   0 32.2665 W

50 43.1945 N   0 30.9726 W

50 42.6908 N   0 30.8112 W

50 42.5978 N   0 30.5286 W

50 42.0334 N   0 30.8317 W

 

As required by the Fisheries Code of Practice, Masters of Dredging vessels will call up on VHF Channel 16 when approaching the dredging area at a range of 10 nm (approximately 1 hour before operations are to commence) and will provide an estimated time of arrival on the area and position of operation. A VHF working channel will be established between the dredger and fishing vessel(s) if required.

 

For further information please contact Simon Luckett at Tarmac Marine Ltd on Tel: 01243 817234, Email: simon.luckett@tarmac.com

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Unprotected HVDC electric cable section

East of the “South Falls” in UK waters a section of the HVDC Interconnector Nemo Link is unprotected due to seabed mobility.

East of the “South Falls” in UK waters a section of the HVDC Interconnector Nemo Link is unprotected due to seabed mobility. All Mariners are asked to avoid this area and not perform bottom-disturbing activities including trawl fishing to prevent damage to the cable.

 

Location: South Falls

 

Id

Easting (UTM31-WGS84)

Northing (UTM31-WGS84)

Lon

Lat

1

415023,18

5686893,81

1° 46.822' E

51° 19.619' N

2

415149,81

5686888,91

1° 46.931' E

51° 19.617' N

3

415149,99

5686882,90

1° 46.931' E

51° 19.614' N

4

415022,61

5686887,83

1° 46.822' E

51° 19.616' N

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Accommodation - Offshore Substation Platforms Moray Offshore Windfarm (East)

Please be advised that Moray Offshore Windfarm (East) Limited (Moray East) are planning to deploy the Jack Up Vessel GMS Endeavour to Site 1. The vessel will supply accommodation for workers carrying out commissioning works on the offshore substations.

The vessel will be located next to the structures highlighted in the map commencing circa 20/08/2020 until further notice.

 

Vessel info:

Name: 3GSM Endevour

General description and dimensions: LOA: 84.1 m, Beam: 36 m, Draught 5.9m Call Sign: 3EUG6 MMSI: 370582000 On Board Contact: Master Offshore Manager / Party Chief: John Bromfield E-mail: endeavour.6102@fleet.gmsuae.com Onshore Representative: Andrew Small

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Deployment of Buoy - Neart na Gaoithe Offshore Wind Farm

Neart na Gaoithe Offshore Wind Farm Limited (NnGOWL) successfully deployed a Wave Rider Buoy (WRB) within the Wind Farm Area on 12th Sept 2020. The intention is that this buoy will remain in situ within the NnG Wind Farm site for up to 2 years (Sept 2022)

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Dropped Cylindrical Pipe

Material is smooth cylindrical pipe drill casing. Dimensions of object: 12.2m x 0.2m presumed to be laying horizontal / sub-horizontal on the sea bed. May present some ‘snagging’ risk to fishing gear or similar. Planned Recovery of Item.

Details of any radio Navigational Warnings and/or Notices to Mariner’s:

 

  • None as yet, but geotechnical spread remains at site and in a position to guard and notify as required.
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Rig - Maersk Invincible

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

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Rig - Ensco 92

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

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Export Cable Installation - Hornsea Project Two

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

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

 

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

 

The Boskalis will be temporarily wet storing a cable at the location provided on or around 9th September until 7th October 2020. A guard vessel will be present whilst the cable is being wet stored but it is advised that mariners maintain a safe clearance. Boskalis will be commencing trenching with the Boka Falcon on or around the 10th September to 12th October 2020.

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Survey - Loch Uiskevagh

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

Company Vessels Duration
Scottish Salmon Company 

Gille na Mara

MEEO6

03/09/2020 

For 110 Days

 

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

 

Mariners are requested to navigate with caution in this area.

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Ninian North jacket

Top of Ninian North jacket 6m above sea level - no navaids or lights

The topsides has been removed from the Ninian North installation, leaving the jacket structure still in place. The top of the structure is approximately 6 metres above sea level. With the removal of the topsides, the remaining jacket structure is unlit and is not fitted with any navaids; cardinal buoys are located to the East & West.

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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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Exposed Cable - Tampnet Fibre Optic Cable - Penguins (UK) - Snorre A (NOR)

Please be advised that the installation of the Tampnet fibre optic cable is still ongoing and that there is currently approximately 4.5km of EXPOSED CABLE on the seabed. We advise all seafarers and fishermen to keep clear of using any bottom equipment.

Please be advised that the installation of the Tampnet fibre optic cable is still ongoing and that there is currently approximately 4.5km of EXPOSED CABLE on the seabed as per attached drawing. We advise all seafarers and fishermen to keep clear of using any bottom equipment that might interact and damage the cable in vincinity of the route. We are also broadcasting and raising awareness from land and nearby guard vessels to all fishermen approaching the cable route. The installation is expected to be ongoing until mid September. 

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Power Cable - Loch Etive

Power cable installed by Briggs Marine Contractors on behalf of Green Highland Renewables across Loch Etive (north of Oban in Scotland).

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Rig - Deepsea Yantai

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

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Dropped drill pipe and collars (2,300kg / 33 metres)

Fugro has reported the loss of 33 metres of drill pipe, weighing a total of 2300kg from the MV Normand Flower whilst working on East Anglia 1 North wind farm. It is not known whether the item is sticking up above the seabed at this stage. Further info...

Dimensions of object: ~33 m of steel drill string consisting of: 4 X Drill Collars (each ~4.5 m long, ~8 inch diameter and ~500 kg in weight) 1 X API Drill String ~9 m long, 4.5 inch diameter and ~300kg weight

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Dropped Large Anchor

A large anchor has been dropped to the seabed by the fishing vessel 'Benarkle' (PD400). The anchor is approximately 3nm SSE of the Ninian South platform.

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Floating LiDAR System - Seagreen Alpha and Bravo windfarms

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

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

 

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

 

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

 

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Unexploded Ordnance

Two items of debris identified as WW2 unexploded ordnance

The as-built survey of the Mariner 6" Gas Import pipeline showed two items of debris that were later identified as WW2 unexploded ordnance.

 

The UXOs posses no immediate threat to the burried pipeline. 

 

Plans are being reviewed to arrange for safe removal and destruction/disposal.

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Completion of Explosive Ordnance - Hornsea Project Two

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

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

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

 

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

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Pre positioned MODU Anchors - Serica Rum 3

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

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

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Topsides and Jacket Removal - Brent Alpha Platform

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

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Wet Storage of Caisson Sections - Bruce 500m Safety Zone

Caisson Wet Storage Location

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

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Export Cable Installation (Beach) - Hornsea Project Two

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

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

 

PROPOSED ACTIVITIES:

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

 

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

 

Vessels:

 

Vessel Activity

Expected Date of

Mobilisation

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

Waalhaven (Rotterdam, Netherlands) for anchor handling scope

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

 

 

 

 

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Dropped Anchor

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

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Secondary Works on installed assets - Moray East

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

Please be aware that by virtuue of its mode of operation the Windcat 17 will be restricted in her Ability to Manoeuvre(RAM) as defined under COLREGs (International Regulations for preventing Collisions at Sea 1972,(Rule 3) Masters of vessels are therefore requested to maintain their vessels and gears at a minumum safe distance from the vessel of 500mwhen undertaking work and showing the appropriate shapes and lights in accordance with COLREGs,(Rule18).

 

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

 

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

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

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Tailwind Mistral Ltd

Fugro Venturer

C6CG3

N/A

10/08/2020 - 31/01/2021

For 5 Days

21

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Survey - Pipeline Inspection Cygnus Field (Ref: 1126)

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

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Neptune E&P UK Ltd

Skandi Carla

C6RX4

N/A

01/08/2020 - 31/01/2021

For 13 Days

44, 43

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Leadon Area – Possible Trawl Hazards

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

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Drilling - Noble Sam Hartley Golden Eagle Infill

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

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

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Rig - Ocean Patriot

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

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Survey - Evelyn EV1 (Ref: 1118)

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

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Petrofac Facilities

Management Limited

Fugro Venturer

C6CG3

2m

3m

10/08/2020 - 31/01/2021

For 5 Days

21

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Survey - Evelyn Development Route (Ref: 1117)

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

Company Vessels

Towed Cable

Length & Depth

Duration Survey Block

Petrofac Facilities

Management Limited

Fugro Venturer

C6CG3

 

10/08/2020 - 31/01/2021

For 5 Days

21

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Exposed Subsea Cable - Apollo South

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

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

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Survey - Evelyn Development

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

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Pile Installation - Penguins Field

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

Details of Seabed - West Cluster

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

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

 

Details of Seabed - North East Cluster

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

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

 

Details of Seabed - Southern Cluster

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

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

Note: 30m pile is installed in this fast frame

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Survey - (Ref: 1109)

A 1 day single location survey at FID Fibre VSP

Company Vessels

Towed Cable

Length & Depth

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

5m

01/08/2020 - 31/12/2020

For 1 Day

29

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Clump Weight - Triton Knoll Offshore Windfarm

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

Dimensions of object:

  • Various lengths of anchor chain (max 1.3mtr)
  • Held together by steel sling and shackles
  • Total mass ±500kg
  • Connected is a white polyprop line - ± 25-30mtr in length with sinker at end.
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Moray West Floating LiDAR Buoy

Operational Floating LiDAR Buoy (and mooring system)

Equipment

Location

Floating LiDAR Buoy (including Clump Weight and Mooring Chain)

58°5.381'N  3°0.877'W

 

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

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Decommissioning - Ninian Platform

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

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

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

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Rig - 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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Fishing Hazard

Details of fishing hazard

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

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Obstructions

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

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Suspected New Wreck

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

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

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

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Deployment of Buoys - Neart na Gaoithe OWF

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

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

 

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

 

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

 

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

  • Artemis, call sign MVIX5;
  • Tranquillity S, call sign MJUH9 or
  • Seagull, call sign MVBO2.
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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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MacCulloch Area – Location of Donan (Dumbaton/GP3) Gas Export Tie-In Skid

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

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

 

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

 

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

 

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Plugged and Abandoned Well : Balvenie

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

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

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Plugged and Abandoned Well : Alwyn South

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

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

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Rig - Maersk Intrepid

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

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Rig - Rowan Viking

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

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Wave Rider Buoy - Moray Offshore Windfarm (East)

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

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Rig - Valaris Gorilla VI

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

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Coils of Steel Rope - Neart Na Gaoithe Offshore Wind Farm

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

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Freespans - Breagh Pipelines

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

Start Position End Position

Length (m)

Height  (m)

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

 

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Wreck - Off Ilfracombe

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

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Cable Repairs - IFA 2 Interconnector Project

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

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

 

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

 

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

 

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

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Exposed Cables - Galloper Offshore Wind Farm

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

 

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

 

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

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Rig - Stena Don

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

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Rig - Valaris 122

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

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Uncharted Wreck

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

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

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Rig - Foinaven Petrojarl FPSO

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

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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 - 590021

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

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Rig - Borr Ran

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

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Rig - Maersk Interceptor

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

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Rig - Ensco 120

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

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Rig - Maersk Reacher

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

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Pipeline Span - PL3088, Cygnus Field

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

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

 

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

 

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Exposed Cable Sections - EirGrid East West Interconnector

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

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

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Rig - Noble Lloyd Noble

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

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Rig - Esvagt Capella

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

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Rig - Safe Caledonia

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

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Rig - Glen Lyon

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

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Rig - Mizu FPSO

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

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Rig - Island Innovator

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

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Deployment of Marker Buoys - Nemo Link Cable

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

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

 

51°19.193'N 001°32.578'E                                                                                                                                

51°19.817'N 001°40.282'E                                                                                                                                                                                                            

 

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

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

                  

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Breagh Pipelines - Exposed Fibre Optic Cable

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

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

 

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

 

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

 

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Dropped objects on seabed

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

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Cable spans

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

Location

Span Length (m)

Span Height (cm)

Start of Span

End of Span

L1 cable

6

0

52° 12.284'N 001°39.364'E

52°12.283'N 001°39.369'E

L1 cable

8

13

52° 12.271'N 001°39.434'E

52°12.270'N 001°39.441'E

L1 cable

8

20

52° 12.064'N 001°40.559'E

52°12.061'N 001°40.565'E

L2 cable

15

5

52° 12.128'N 001°40.524'E

52°12.124'N 001°40.535'E

L2 cable

8

76

52° 12.119'N 001°40.560'E

52°12.118'N 001°40.567'E

L3 cable

3

11

52° 12.169'N 001°40.502'E

52°12.169'N 001°40.504'E

L3 cable

13

34

52° 12.148'N 001°40.594'E

52°12.146'N 001°40.604'E

L3 cable

17

10

51° 59.194'N 001°57.431'E

51°59.187'N 001°57.442'E

 

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

 

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Exposed sections of cable

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

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

 

Location

Exposure Length (m)

Start of Exposure

End of Exposure

Between turbines C06-D06

4

51°44.447'N 01°15.045'E

51°44.445'N 01°15.046'E

Between turbines F06-F07

23.7

51°44.204'N 01°16.057'E

51°44.209'N 01°16.076'E

Between turbines F07-F08

78.4

51°44.471'N 01°16.744'E

51°44.448'N 01°16.688'E

Between turbines F08-F09

851.7

51°44.485'N 01°16.777'E

51°44.726'N 01°17.398'E

Between turbines G06-G07

21.7

51°44.008'N 01°16.270'E

51°44.002'N 01°16.255'E

Between turbines G07-G08

21.9

51°44.273'N 01°16.948'E

51°44.267'N 01°16.932'E

Between turbines G08-G09

20.7

51°44.276'N 01°16.953'E

51°44.280'N 01°16.969'E

Between turbines G08-G09

16.6

51°44.522'N 01°17.591'E

51°44.527'N 01°17.603'E

 

There is a freespan at the following array Cable Position:

 

Location

Exposure Length (m)

Start of Exposure

End of Exposure

Between turbines C06-D06

4

51°44.447'N 01°15.045'E

51°44.445'N 01°15.046'E

 

 

 

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Exposed cable and lost fishing gear

Exposed section of cable and lost fishing gear.

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Exposed cable and lost fishing gear

Exposed section of cable and lost fishing gear.

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Exposed Cable Section (SHEFA)

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

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