Notices to Mariners published

Notices that are relevant to statutory and local authorities, owners, ships agents, masters, pilots, fishermen and other sea users are published here.

Notice to Mariners 113 – Marine support for horizontal directional drill punchout

The MV Stour will arrive at the near shore CR4 export cable route on or around the June 16, 2018, depending on the weather. The vessel will stand by to assist with the installation of the export cable horizontal directional drill (HDD) duct. The plan is to install the duct from the beach during low tide using excavators and the vessel will be in the area to assist if needed.

Operations are planned to last approximately three days, weather permitting.

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Notice to Mariners 112 – Excavation of nearshore export cable trench

Note: Notice to Mariners 111 was a duplicate of 110 but with amended dates. Only 110 was posted on the website.

Operations to excavate a cable trench (layout drawing and coordinates are in the attached Notice) on the inshore export cable route are planned to commence on 15 June 2018. Operations are due to last for approximately five weeks (weather permitting). Vessels involved in the operations will mobilise in the Port of Shoreham.

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Notice to Mariners 110 – Excavation of float pit for export cable update

Operations to excavate a float pit on the CR4 inshore export cable route for cable installation vessel is planned to commence on 7 June 2018. Operations are due to last for approximately one week, weather permitting.

Vessels will mobilise in the port of Shoreham from the 3 May 2018.

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Notice to Mariners 109 – Installation of corrosion coupons

Rampion will install corrosion coupons at five locations approximately 2 to 3 metres from monopiles, to be landed close to the transition piece access ladder, within radius of the davit crane. These units are due to remain on seabed for around 7 years.

Operations are planned to start week commencing 21 May 2018 and the corrosion coupons will be installed using the davit on each of these locations. See Notice for exact locations.

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Notice to Mariners 108 – Removal of Southern Water outfall

The MV Stour will arrive at the Southern Water outfall, west of the project’s inshore export cable route, during the week commencing Monday, 14 May to remove the disused outfall pipes. The work to remove the outfall is planned to last for approximately four weeks (weather permitting).

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Notice to Mariners 107 – Change to site markings

This notice supersedes Notice to Mariners 94.

The wind farm aids to navigation have now been changed to the operation sequence detailed in the attached notice.

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Notice to Mariners 106 – Export cable boulder clearance, UXO identification and cable protection

Two vessels will be working on Rampion on export cable boulder clearance, UXO identification and cable protection for array and wind turbine cables. Edda Fonn will mobilise to site around May 4/5 while Voe Vanguard will mobilise to site around May 6/7.

Both campaigns will take approximately four weeks and all operations will be on a 24/7 basis.

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Notice to Mariners 105 – Resolution arrival at offshore substation update

This notice supersedes Notice to Mariners 104.

The vessel Resolution will arrive onsite at Rampion this afternoon (Wednesday 18 April) and she will jack at the safe haven location SW of J06 (see notice for chart and coordinates). The vessel will remain in this position for a couple of days before moving to the offshore substation.

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Notice to Mariners 104 – Resolution arrives at offshore substation

The MPI Resolution will arrive onsite this week (approx Wednesday 18 April) to function as crew accommodation for ongoing operations on the Rampion Offshore Wind Farm’s offshore substation. Operations are planned to last until November 2018.

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Notice to Mariners 103 – Planned burial of export cable CR3

The trenching vessel Grand Canyon will jet the export cable into the sea bed from KP 5.4 to the offshore substation, arriving onsite around Sunday 22 April. Operations are planned to last approximately one week, weather permitting.

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Notice to Mariners 102 – Installation of cable protection, including rock berms

The installation vessel Nordnes will be installing cable protection, including rock berms, within the wind farm array and the export cable routes from Monday, 16 April 2018 for a two week period (weather permitting). As well, rock pads will be installed close to eastern side of the offshore substation for the MPI Resolution to jack up on.

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Notice to Mariners 101 – Service and relocation of wave rider buoys

This notice supersedes all previous notices regarding Rampion’s wave rider buoys.

The vessel Erica will be servicing and relocating wave rider buoys during the week commencing 19 March 2018, weather permitting.

Please note that the AToN on wave rider 1 and 3 is extinguished.

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Notice to Mariners 100 – Service and relocation of wave rider buoys update

Unfortunately, the intended vessel for the service and relocation of the wave rider buoys was not able to carry out the task. We are looking at alternative vessels and will update accordingly.

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Notice to Mariners 99 – Service and relocation of wave rider buoys

The vessel Voe Vanguard will be servicing and relocating wave rider buoys on Saturday 10 March, 2018.

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Notice to Mariners 98 – CR4 export cable geophysical survey operations

The vessel Deep Volans will be conducting surveys of the CR4 export cable route. The vessel will be surveying the seabed 250 metres either side of the coordinates in the attached document. Operations are planned to start on March 20, 2018 and last for approximately one month (weather permitting).

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Notice to Mariners 97 – Installation of nearshore east export cable protection

The rock bag installation vessel Voe Vanguard will be placing rock bags for cable protection between KP 0.95 and KP 1.5 on the east export cable. Operations are planned to start on 27 February and will last approximately five days, weather permitting.

During this  five day work scope the vessel will also conduct identical works within the wind farm array.

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Notice to Mariners 96 – Rampion export cable surface laid and wet stored anchor cable UPDATE

This notice supersedes Notice to Mariners 95 as the wet stored anchor wire has now been recovered.

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Notice to Mariners 95 – Rampion export cable surface laid and wet stored anchor cable

Export cable: Due to technical issues and weather forecasts the Stemat Spirit will surface lay the export cable from KP5 to the offshore substation. Weather permitting there will be a guard vessel in the vicinity.

Wet stored anchor wire: Due to technical issues with a winch there has been 1400 metres of anchor wire laid on the sea bed. See chart in the attached notice. As per above, weather permitting there will be a guard vessel present until the wire is removed.

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Notice to Mariners 94 – Aids to navigation and cardinal buoys at Rampion

During construction there were two aids to navigation (AToN) installed on each offshore structure and eight cardinal buoys deployed.

Once the wind farm is handed over the operations, all AToNs will be removed from the internal structures, while they will remain on peripheral structures. Also six of the construction cardinal buoys will be removed with the North and South cardinal buoys being moved into their final operations position.

Charts showing the locations of the AToNs and the cardinal buoys can be found in this notice.

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Notice to Mariners 93 – Installation of inshore export duct marker buoy

The marker will be removed when the Stemat Spirit arrives back on site around 21 January to install the new export cable. This date is weather dependent.

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Notice to Mariners 92 – Installation of new east export cable update

This Notice to Mariners supersedes and closes out Notice to Mariners 87.

The Stemat Spirit has completed the removal of the east export cable. The Stemat Spirit and associated vessels will depart site after the Panda’s operation and sail to Velson where the new export cable will be loaded.

Installation of the new export cable will commence on approximately 21 January 2018 and the work will last for a period of around three weeks. Please note that the proposed dates are weather dependent.

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Notice to Mariners 91 – Rampion Notice to Mariners update 2018

This document lists all active Notices to Mariners currently relevant for the Rampion Offshore Wind Farm.
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Notice to Mariners 90 – Inter array cable protection operations (Phase 1)

The vessel Storness will be placing rocks over the installed array cables around the offshore substation. Operations are planned to commence on 4 January and are due to last for approximately three days, weather permitting.

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Notice to Mariners 89 – Temporary inshore anchor wet storage

The Stemat Spirit will be wet storing seven anchors within an area specified in this Notice to Mariners for approximately two weeks.

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Notice to Mariners 88 – Dive operations from MPI Discovery

Dive operations are planned in the next week on the Rampion fibre optic cable using the MPI Discovery as a dive platform at the offshore substation. Operations are due to be completed in five days, weather permitting.

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Notice to Mariners 87 – Installation of new east export cable

The Stemat Spirit and associated anchor handling tugs will commence preparations for the installation of a new east export cable on Saturday 9 December. The works will last for approximately four weeks.

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Notice to Mariners 86 – Rampion cardinal and wave rider buoys update

This notice closes out all previous notifications regarding Rampion cardinal and wave rider buoys.

Please note that Wave Rider Buoy No. 2 has now been relocated.

New coordinates are included in the Notice.

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Notice to Mariners 85 – Rampion wave rider update

This notice closes out all previous notifications regarding Rampion wave rider buoys

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Notice to Mariners 84 – Withdrawn

Due to alterations this Notice to Mariners was withdrawn.

Notice to Mariners 83 – East cardinal mark repairs

Rampion’s east cardinal mark – on the east side of the Rampion Offshore Wind Farm – will be temporarily removed for repairs to be carried out onshore. Works are planned to commence on 26 November 2017 and expected to last until 30 November 2017.  The vessel Voe Vanguard will undertake the removal and redeployment.

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Notice to Mariners 82 – Dive operations nearshore fibre optic cable burial

UPDATE: This operation is no longer going ahead so the Notice to Mariners is closed.

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Notice to Mariners 81 – Backfilling of west export cable floatation pits

The dredge vessel Costa Verde will be backfilling flotation pits two and three on the inshore west export cable with operations planned to start on 4 December 2017. The work should take approximately five days (weather conditions permitting).

The vessel will navigate along the export cable corridor and collect the spoil NW of the offshore substation and deposit to back into the inshore pits.

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Notice to Mariners 80 – Array cables burial surveys

UPDATE: This Notice to Mariners is now closed.

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Notice to Mariners 79 – Installation of clump weights for dive vessel Terremare on inshore export cable

The anchor handler will deploy six 10-ton clump weights for the dive vessel undertaking works on the nearshore export cable (see Notice to Mariners 74).

The operations are planned to start on the 15 November 2017 and is planned to be completed in a week (weather permitting).

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Notice to Mariners 77 – Installation of nearshore west export cable protection 01

The rock bag installation vessel Voe Vanguard will be placing rock bags for cable protection between KP 0.95 and KP 1.5 on the west export cable. Operations are planned to start on the 23 November and will last approximately 5 days (weather permitting).

Once completed, the vessel will undertake repairs to the east cardinal top mark. This operation will take one day to complete.

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Notice to Mariners 76 – Additional array cable surveys

UPDATE: This operation is no longer going ahead so the Notice to Mariners is closed.

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Notice to Mariners 75 – Export Cables shallow buried or exposed cable hazards

This Notice to Mariners supersedes and cancels Notice to Mariners 72.

There are additional hazards in Area 1: As per Notice to Mariners 74, divers will be installing non-return valves on the end of the horizontal directionally drilled ducts. Mariners are advised to read the information in this Notice to Mariners and act accordingly.

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Notice to Mariners 74 – Dive operations on nearshore export cable ducts

The dive vessel Terramare 1 will undertake dive operations on the nearshore export cable horizontal directional drill ducts from Monday 30 October for approximately three days.

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Notice to Mariners 73 – Depth of burial surveys (export and array cables)

The survey vessel Bibby Athena undertook the depth of burial surveys of the export and array cables from 2 October 2017 for two weeks. The surveys were completed on 16 October.

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Notice to Mariners 72 – Shallow buried and exposed cable hazards

This Notice to Mariners supersedes and cancels Notice to Mariners 56.  Due to either seabed conditions, or to enable jointing/protection works, some sections of the export cables have been either shallow buried or are currently laid exposed on the seabed. Until further notice.

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Notice to Mariners 71 – Main array hazard area

This Notice to Mariners supersedes and cancels Notice to Mariners 65. It should be noted that all inter array cables have now been installed and buried. Ongoing until further notice.

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Notice to Mariners 70 – Rampion wave rider buoy update

Wave Rider Buoy No. 3 has now been relocated and new wave rider buoy locations summarised in this document. Ongoing until further notice.

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Notice to Mariners 69 – Installation of fibre optic cable

Update on the installation of the fibre optic cable offshore.

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Vessel guidance published for sea users

All sea users are asked to make themselves aware of the increasing intensity of high-speed construction craft off the coast, in the project’s Guidance for Third Party Vessels on Rampion CTV Operations.

You can read the Guidance here.

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Notice to Mariners 65 – Main array hazard area

This Notice to Mariners supersedes and cancels NtM 57 and refers to inter array cabling locations and progress.

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Notice to Mariners 64 – Export cable ROV survey

Rampion commenced a tracked ROV survey along the export cable routes on Monday 15 May 2017. Work is currently on hold.

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Notice to Mariners 62 – Excavator stranded

Excavator stranded in the sea close to Lancing beach.

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Notice to Mariners 49 – Safe distances around all structures within Rampion Offshore Wind Farm

The seabed around all Rampion Offshore Wind Farm structures contains a number of hazards in close proximity including: exposed cables, scour protection and rock bags. Mariners are requested to remain a minimum safe distance of 50 metres from all these structures.

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Notice to Mariners 17 – Rock pad installation, Round 2

Further rock pads were installed in the main array area, at locations detailed in this document. Until June 2018.

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Notice to Mariners 16 – Rock pad installation

Rock pads have been installed in the main array area, at locations detailed within this document, until June 2018.

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Notice to Mariners 9 – Application of approved safety zones during construction

The Secretary of State approved the application of safety zones on the project. There is a statutory 500m safety zone around all structures where a construction vessel is present and a statutory 50m safety zone around all structures whilst personnel are working on them. Until June 2018.

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Notice to Mariners 1 – Deployment of permanent cardinal buoys

Rampion Offshore Wind Farm deployed project cardinal buoys for the construction period and their positions can be found in this Notice to Mariners. Until June 2018.

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