Notice to Mariners Week 37

tillergirl

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1. ENGLAND - East Coast - NM Block. - New block showing the new depths in the Hamilton Dock in Lowestoft. The block can be downloaded at: http://www.crossingthethamesestuary.com/page9.html
2. ENGLAND - East Coast - Legends. Note. Depths. - Deletion of the reference to Bunkering in the Anchorage in Queens Channel, and one change of depth (unusually) increased to 8.3 in the middle of the Deep Water channel of the Princes Channel just east of the Princes Inner special buoy.
3. NETHERLANDS - Depth. - A new reduced depth just on the northern side of the Steenbaken, one of the banks off shore the Oosterschedt.
4. ENGLAND - East Coast - Wreck. - Change of wreck symbol (exact depth unknown but not considered dangerous…) to depth by sounding. Not likely to hinder leisure craft.

Local

1. WOOLWICH REACH - ENVIRONMENT AGENCY - THAMES BARRIER CLOSURES: The Thames Flood Barrier will be closed once a month for test purposes, in accordance with a programme issued for a period of six months, commencing 01st November 2018 to 09 April, 2019. Full details of the monthly dates at the above page on the Temporary List. During these periods navigation in the Thames Barrier Control Zone, between Margaretness and Blackwall Point, will be restricted and any movements in this area will require permission from London VTS;
2. LONG REACH NAVIGATOR TERMINAL DOLPHIN REPLACEMENT WORKS - construction of a new upriver dolphin at Navigator No.1 Berth will start on or around the 11th September 2018. During the works the jack-up barge ‘COMMANDER’ and various logistics barges will be in use with a tug and safety boat in attendance at all times. A set of tubular piles required for the construction works will be rafted together and moored at Broadness Reach or St Clements Reach (subject to weather and operational conditions), and marked with an all-round white navigation light. The piles are 60m in length and have a freeboard of 600mm and will be towed up river individually to the construction site from the mooring.
3. Felixstowe Harbour - Obstruction on seabed- reduction in charted depth. Mariners are advised of an object on the seabed located 280m due west from the North end of Felixstowe No. 8 berth. The coordinates are- 51° 57.03942’ N, 001° 18.4970’ E (I have added an image showing the position - I suspect nobody would try to anchor in that position!) The minimum available depth above this object is 13.5m below chart datum (1m reduction in charted depth).
4. MEDWAY VESSEL TRAFFIC SERVICE - RELOCATION - on 01st May 2018 at 06:00 UTC, Medway VTS was relocated to the Group Port Control Centre (GPCC) based in Liverpool. They have just reissued the NtM so it may be that the telephone numbers have been changed - see the details in the Temporary List.
5. River Crouch - Whitaker No 6 Light Buoy - The light is now reinstated and operational.
6. Port of Wells dredging;
7. Kings Lynn - Approaches to King’s Lynn – King’s Lynn Harbour - River Great Ouse: Travis Perkins Skiff Rowing Races Sunday 16th September 2018. Skiff rowing races are planned to be held in King’s Lynn Harbour over the 1129 hrs high water. The races will start at 0930 hrs and will finish at 1230 hrs. The full course will extend from the Outer Purfleet (start/ finish line) to The Free Bridge. Mariners are requested to maintain position north or south of the course while each race is taking place and then navigate with caution and comply with any request of the Safety boat.
8. Havengore Bridge Update (03.09.18) - The specialist contractors have been on site today to diagnose the cause of the latest bridge failure. The east tail lock is stuck in the extended position. The ram that controls the tail lock is mounted at height under the bridge metalwork and requires additional equipment to remove it from its mountings for repair. We will issue a further update when we have confirmation of when the contractors can return with the equipment necessary to complete the work. Our apologies for the ongoing disruption. Nicki Uden – Community Liaison Officer, SHOEBURYNESS RANGE Careline: 0800 0560108

That's it.
 
Just an update from Harwich. They are trying to lift the obstruction tomorrow:

36-2018: Removal of obstruction on seabed – Diving operations
Mariners are advised that on or about the 5th September 2018 diving operations will take place to enable the removal of an object on the seabed located 280m due west from the north end of Felixstowe No.8 berth.
The coordinates are- 51° 57.03942’ N, 001° 18.4970’ E (WGS 84). The vessel Haven Hornbill will be used as a dive platform for the operation.

All vessels are to pass with care and caution.

Latest information regarding the operation can be obtained from Harwich VTS on VHF Ch71.
 
Just an update from Harwich. They are trying to lift the obstruction tomorrow:

36-2018: Removal of obstruction on seabed – Diving operations
Mariners are advised that on or about the 5th September 2018 diving operations will take place to enable the removal of an object on the seabed located 280m due west from the north end of Felixstowe No.8 berth.
The coordinates are- 51° 57.03942’ N, 001° 18.4970’ E (WGS 84). The vessel Haven Hornbill will be used as a dive platform for the operation.

All vessels are to pass with care and caution.

Latest information regarding the operation can be obtained from Harwich VTS on VHF Ch71.

How exciting! I wonder whether we'll ever find out what it was.
 
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