Notice to Mariners Week 22

tillergirl

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1. New Editions of ADMIRALTY Charts published 30 May 2019 - Chart 323 International Chart Series, Dover Strait, Eastern Part and Chart 1828 International Chart Series, England - South-East Coast, Dover to North Foreland & Ramsgate.
2. ENGLAND - East Coast - Shellfish bed. Legend - The creation of this new Oyster Bed was subject of a recent temporary notice on the south side of Mersea Island. This is not a common anchorage so will not hinder leisure craft. - Image on http://www.crossingthethamesestuary.com/page9.html
3. ENGLAND - East Coast - Depth. - One reduction of depth right on the northern edge of the Yantlet Channel, River Thames. At 13+m, unlikely to hinder leisure craft.
4. ENGLAND - East Coast - Buoy. - Deletion of the yellow special buoy just outside the north-west corner of the Kentish Flats Windfarm.
5. BELGIUM - Works. Wind farm. Buoyage. - This is the construction area for the new Mermaid Windfarm which is located north of the existing Belwind Wind Farm. It is adjacent south of the North Hinder Junction and it should be noted that it is now a not-permitted area.

Local

1. GRAVESEND REACH TILBURY2 MARINE WORKS - This notice supersedes L18 and L17 of 2019 - Numerous marine works are underway as part of the TILBURY2 development. Current activities and activities due to commence shortly are summarised below. PILING WORKS (Underway and due for completion in October 2019), WATER INJECTION DREDGING (Due to commence on 18th May 2019), TRAILER HOPPER SUCTION DREDGING (Due to commence on 7th June 2019) - see full details and image in the Temporary List on the above page.
2. Harwich Approaches - Temporary Buoy Move - on or about the 20th May 2019, to facilitate maintenance dredging, Harwich No.1 Buoy will be moved approximately 200 metres to the east north east of its charted position. On completion of the dredging the buoy will be re-instated in its normal charted position.
3. Harwich Approaches Maintenance dredging – deep water channel - on or about the 18th May 2019 the trailer suction dredger HAM 316 will commence maintenance dredging of the Harwich approaches on the eastern side of the channel between the Walker Buoy and South Shipwash Buoy for approximately 3 days. Material will be disposed of to the Inner Gabbard East disposal site.
Also advised that the trailer suction dredger HAM 316 will then commence maintenance dredging of the Harwich main approach channel edges in the vicinity of No.1 and No.2 Buoys for approximately 2 days. Material from these areas will be disposed to the Harwich Haven disposal site.
4. RIVER MEDWAY – CHATHAM – SHORT REACH – HOO NESS YACHT CLUB SLIPWAY - between 13th May 2019 and 28th June 2019 construction and improvement works will take place to the slipway belonging to Hoo Ness Yacht Club which is situated between Port Werburgh and Port Werburgh Marina (formerly Hoo Marina). The work consists of the removal of the existing shingle and hardcore slipway replacing it with a new clean hardcore base which will support a new reinforced concrete slipway that will be joined to the existing concrete slipway. Works will be carried out over the three hours either side of the daytime low water when the slipway is accessible above the tide mark. The slipway is located in approximate position: 51° 24.67’ N 000° 33.60’ E
These works do not involve any hazard to navigation due to the location of the slipway. Mariners are advised to keep clear of the area throughout this period due to unseen obstructions that may be present below the waterline during the construction of the reinforced concrete that may reduce the depth of safe water available and which could cause damage to craft
5. RIVER MEDWAY – SALTPAN REACH - GRAIN LNG - JETTIES NOS. 8 & 10 – DIVING OPERATIONS - Fire Pump Maintenance Works are due to take place behind and under Grain LNG, Jetties No. 8 & 10, involving diving operations. These will commence Tuesday 21st May 2019 for a period of approximately 10 days. The jetties are centred in the following approximate positions:
Terminal No.8: 51° 25.93’ N 000° 42.18’ E Terminal No.10: 51° 25.94’ N 000° 42.54’ E. Divers will be working on and below the waterline from the Crane-barge “Renate II”, with the workboat “Avocet” in attendance. “Avocet” will be at all times monitoring VHF Channel 74. In addition, a fast RHIB/ tender will be deployed as a guard vessel in order to slow down, warn and intercept any craft passing too close. “Renate II” will display the International Code of Signals Flag “A” at all times that divers are in the water. International Code of Signals flags, “RY”,will be displayed at the jetty head and Mariners are advised to slow down, make minimum wash and maintain a listening watch on VHF Channel 74, navigating with caution and keeping well clear of the 150m exclusion zones when passing Grain LNG Terminal (Medway Notice to Mariners 02 -2019 refers).
6. LOWESTOFT – TRANSITS OF UNMANNED SURFACE VESSEL - FOR SURVEY OPERATIONS OFF THE NORFOLK COAST - hydrographic survey operations, off the Norfolk Coast, are scheduled to commence on the evening of 17th May 2019. These will be conducted using one or two unmanned surface vessels (USV’s) “X-O2B” and “X-03”, operated by ‘XOcean’, which will be remotely controlled by a USV ‘Pilot’. The vessels are capable of working 24/7. The USV’s have AIS, Navigation lights a radar reflector and are painted Yellow. The duration of the survey work is approximately 2 weeks and is subject to favourable weather conditions. The vessels 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’s will be escorted by the “PROTEUS” or the “POSIEDON” acting as Safety Boat. The Safety Boat will be monitoring VHF Ch14 during Harbour transits.
7. Port of Wells - dredging;
8. Blakeney Harbour - Vessels entering Blakeney Harbour should note that a temporary green buff buoy (unlit) has been positioned today between Harbour Entrance buoys numbers 1 and 2, to mark the Eastern end of a new sand spit. This buoy is positioned as follows: N 52°58.858’. E 000°58.276’. After passing the starboard Harbour Entrance buoy number 1, vessels should pass close to this buoy (leaving it to starboard), and then turn and head for the starboard Harbour Entrance buoy number 2.
9. FIREWORK DISPLAYS - BROADSTAIRS HARBOUR - Firework Displays will take place from the Viking Bay Beach on:
Wednesday 17th July
Wednesday 24th July
Wednesday 21st August
Fireworks firing between 21:45 & 22:00 hrs
End of event 22:30 hrs
Tuesday 5th November - End of event 21:30 hrs
10. RAMSGATE NO. 6 BUOY - (51˚.19.46N - 001˚25.91E) - the issue with Ramsgate No. 6 buoy has been resolved and is now showing correct flash rate.

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