Notices to Mariners Week 13

Notices to Mariners for the Southern East Coast of the UK and across to France, Belgium and part of Holland

UKHO Permanent/Preliminary/Temporary

Just the one in the monitored area: quite important!

ENGLAND - South East Coast - Depth - One (dramatic) reduction of depth in the Ramsgate Channel (5.9m sounding reduced to 0.1m!) - see the usual page for image of location:


1. GRAVESEND REACH TILBURY2 SHEET WALL PILING & LIFTING OPERATIONS - Further works on the Tilbury 2 development will commence on the week beginning the 18th March 2019 and will consist of 325m of sheet wall being piled. This will form a new retaining wall as part of the new CMAT berth on the downstream end of the former Tilbury Power Station berth. The piles will be driven into the river bed utilising a 75m flat top barge equipped with a 320T crawler crane to assist with lifting operations. A second flat top barge will be utilised to assist in the storage of materials adjacent to the crane barge. All barge movements will be carried out by the multi-cat vessel SEADOG. A safety boat will also be in attendance. All vessels involved with the works will maintain a continuous listening watch on VHF Channel 68. At times International Code flags “Romeo Yankee” will be exhibited in conjunction with a “Proceed with Caution” being broadcast by London VTS. Works are expected to last until early May 2019.
2. GREENWICH REACH - GREENWICH SHIP TIER - ISOPHASE LIGHT TRIAL ENDS - On or about 19th March 2019, following a shortened trial period from that previously detailed in NTM M15 of 2019, the light characteristic of the outer lower wing buoy of Greenwich Ship Tier will be returned to a Fixed Blue light as per the charted characteristics. Further details will be broadcast by London VTS on VHF Channel 14.
3. Harwich Haven Maintenance dredging – Water injection dredging - Mariners are advised that on or about the 18th March 2019 the dredger Borr will commence maintenance dredging, generally over high water periods, in the following locations:
 Navigation House jetty,  Shotley Marina Channel,  Halfpenny pier,  Harwich lifeboat berth,  Fishermen’s moorings area west of Trinity House pier,  Trinity House pier and the  Mistley berths and channel  Harwich Navyard  Harwich International Port for a period of approximately 10 days.
Detailed dredger movements can be obtained from Harwich VTS on VHF Channel 71. Lights and shapes as required by Collision Regulations will be exhibited and a listening watch on VHF Channel 71 will be maintained throughout.
4. Beach End buoy - Harwich Harbour and approaches - Mariners are advised that the light [Fl(2)G.5s] on the Beach End Buoy has been reinstated.
5. Harwich Harbour and approaches – Seasonal recreational marks - On or after the 1st April 2019 the following seasonal recreational marks will be reinstated: Pennyhole Yellow Cone Buoy, Cork Ledge Racing Mark Yellow Can Buoy, Armada Racing Mark Yellow Can Buoy, Fox’s Yellow Conical Buoy, Cobbolds Point Buoy Green Conical Buoy, Dovercourt Bay Yellow Spherical Buoys (6), Shotley Horse Yellow Pillar Buoy, Speed Limit Marker Buoy Yellow Spherical Buoy, Beacon Hill Yellow Can Buoy. Positions can be seen in the full notice on the above web page.
6. Ha’penny Pier pontoons – temporarily out of operation - with immediate effect the pontoon berths at Ha’penny Pier, Harwich are out of action until further notice as there is currently no access to the shore. - But Plum has just advised that it is back in position - note the dredging notice above which might affect access temporarily.
7. RIVER MEDWAY- SHEERNESS HARBOUR – SHEERNESS DOCKS UPSTREAM 2 FIXED RED NAVIGATION LIGHTS - due to storm damage, the 2 fixed vertical red navigation lights marking the upstream dolphins on Sheerness berths 4 & 5 are temporarily extinguished. Approximate positions are: No. 4 berth – 51° 26.17’ N 000° 44.35’ E No. 5 berth – 51° 26.09’ N 000° 44.30’ E - See the image on the usual page with the Temporary List.
8. Black Edge No 1 Lighted Buoy – River Roach - Black Edge No 1 Lighted Buoy in position: 51˚ 35.230’N, 000˚ 48.190’E is out of the water for maintenance. They will advise when it is back on station.
9. Brightlingsea Harbour - OIL SPILL RESPONSE EXERCISE ‘NOVEMBER CHARLIE’ Period Covering: 20.3.19 / 0900 – 1600 - will be conducting an annual oil spill response Exercise ‘November Charlie’ on the 20th March, commencing at 0900 UTC and will be complete by 1600 UTC. Location of the exercise will be within Brightlingsea Harbour and the main navigational channel leading into Brightlingsea Harbour, not exceeding the south cardinal buoy, ‘Brightlingsea Spit’, at the entrance to the creek. Navigation around the harbour will be restricted, please contact Brightlingsea Harbour Office for more information on: VHF 68 or phone 01206 302200.
10. Ipswich - Restricted Locking at Ipswich Lock - due to essential repairs to the Inner Lock gate Cill, the Wet Dock lock will be closed from 0700hrs Monday 25th March until 1700hrs Friday 29th March 2019. Transit will only be available on a ‘level’ which is approx 90 -120 minutes before High Water. Please contact on VHF Ch 68 or 01473 211066 for the latest information.
Every effort will be made to complete the repairs as soon as possible so that normal operations can resume.
11. LOWESTOFT – TRANSITS OF UNMANNED SURFACE VESSEL - FOR SURVEY OPERATIONS OFF THE NORFOLK COAST - hydrographic survey operations, off the Norfolk Coast, are scheduled to commence 17th March. These will be conducted using an unmanned surface vessel, operated by ‘XOcean’, which will be remotely controlled by a USV ‘Pilot’. The vessel is capable of working 24/7. The USV has AIS, Navigation lights and a radar reflector. The duration of the survey work is approximately 3 weeks and is subject to favourable weather conditions. The vessel will transit to and from the survey area from the Royal Norfolk and Suffolk Marina in Lowestoft Outer Harbour area. When transiting Harbour areas the USV will be escorted by RIB Typhoon. The RIB will be monitoring VHF Ch14 during Harbour transits. A copy of the XOcean NTM which shows the chart area and an image of the 'vessel' is attached as a PDF download on my usual page on the Temporary List.
12. Port of Well - dredging;
13. London Array Wind Farm are still saying that maintenance is still being taken in Foulger's Gat, Possible to use it but keep out of the way!

That's it.

All full details and images can be found at: on either the chronological list for the UKHO notices or the Temporary List for the Local Notices.

Local NtMs compiled by and reproduced by kind permission of Roger Gaspar, author of Crossing the Thames Estuary


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