tillergirl
Well-known member
UKHO Permanent/Temporary/Preliminary Notices
1. ENGLAND - East Coast - Depths. - Two reductions of depth around the North-East Cross Sand cardinal buoy (off Winterton Ness). Unlikely to hinder leisure craft
2. ENGLAND - East Coast - Depths. - Two reduced depths close to commercial jetties in the River Thames. One in Long Reach off the Purfleet tankage; the other west of Dagenham in Halfway Reach by Dagenham Docks. Unlikely to be close to where we are!
3. ENGLAND - East Coast - Depths. - One reduction of depth to 1.8m just south of the Leigh Middle Sand in Sea Reach, River Thames.
4. ENGLAND - East Coast - Depths. - One reduction of depth right in the middle of the lock entrance to Tilbury Docks, Northfleet Hope, River Thames. Not likely to hinder leisure craft.
Local
1. RIVER THAMES - GRAVESEND REACH - DENTON SLIPWAYS WORKS - on or about 24th April 2023, contractors instructed by Cory Ship Repair Services Ltd. will commence works to replace the lower dolphin of Denton Slipways in Gravesend Reach. These works are expected to be complete approximately 3 weeks after commencement.
The location of these works is indicated by the red-coloured rectangle on the chart extract (see in the Local List at: Notices to Mariners. These works will involve the crane barge VENTURE being anchored in close proximity to the slipways. The barge will show appropriate lights and shapes as required under the International Regulations for Preventing Collisions at Sea and Thames Byelaws. Operatives are expected to be working 0700-1700 daily; personnel transfers may be carried out by small craft. Workboats KING’S REACH and KG2 are expected to be in attendance on these works. Requests for vessels to proceed with caution or to pass at slow speed will be made by London VTS on VHF Ch 68, in accordance with the Port of London Authority’s Port Information Guide, under ‘London VTS’, section 4. During times where this is applicable, international signals flags ROMEO YANKEE will be displayed on the works where they will be visible to vessels. Further information will be broadcast as required by London VTS on VHF channel 68.
2. RIVER THAMES - BLACKWALL REACH - BLACKWALL POINT SPECIAL MARK AND CONTROL MEASURES - Control measures will be put in place to facilitate the safe arrival, departure and berthing of ships over 200m LOA at Greenwich Ship Tier.
Seasonal Special Mark - On or about Friday 5th May 2023, the seasonal lit yellow special mark (Fl.Y.2) will be placed on the southern limits of the navigational channel at Blackwall Point. This buoy will remain in place until approximately Monday 2nd October 2023. The chartlet Indicates the buoy’s position (see in the local list on the above quoated web page.
Navigation Safety Zone - During arrival and departure of ships over 200m, a navigation safety zone will be established around each ship. The safety zone will extend 750 metres ahead to 250 metres astern of the ship between Margaretness and Greenwich Ship Tier. All vessels should remain clear of this zone unless authorised by the attending Harbour Service Launch which will be undertaking Local Traffic Control supported by London VTS.
All vessels navigating in the vicinity of these ships are to pay particular attention to these movements and maintain a continuous watch on VHF Channel 14, following instructions from the attendant Harbour Service Launches displaying blue flashing lights; call sign prefix ‘THAMES PATROL’.
Schedule of Ships - A table indicates the scheduled arrivals and departures of ships, correct at the time of publishing is shown in the Local List. Dates and times may be subject to change or cancellation. Further details will be broadcast by London VTS on VHF Channel 14.
3. RIVER THAMES - KINGS REACH TO BLACKWALL REACH - LOCAL TRAFFIC CONTROL FILMING OPERATIONS - On Friday 28th April 2023 between 18:00 to 22:00, Unmanned Aerial Vehicle (UAV) filming operations will take place between Woods Quay and North Greenwich Pier, the primary focus of the filming is of the vessel SILVER STURGEON. The UAV will be launched from the SILVER STURGEON and will be flying at a range of altitudes. A Port of London Authority (PLA) Harbour Service Launch will be in attendance throughout and will commence periods of Local Traffic Control, as and when necessary to facilitate navigational safety. All vessels navigating in the vicinity of the filming operations should do so with caution, maintaining a continuous watch on VHF Channel 14 and follow the instructions from the attending Harbour Service Launch exhibiting flashing blue lights. Whilst endeavours will be made to lessen the impact on river traffic at this time, operators should be aware that there may be delays to vessels of up to 10 minutes during this period.
Further details will be promulgated by London VTS on VHF Channel 14.
4. HARWICH HARBOUR - Dredging Operations – Multicat Bella - on or about 21 April 2023 the multicat Bella (IMO: 9966207) will commence plough dredging operations in the Harwich Haven around the Port of Felixstowe and Harwich area for a period of approximately 7 to 10 days. Detailed dredger movements can be obtained from Harwich VTS on VHF Channel 71.
5. HARWICH HARBOUR - Dredging Operations – Sospan Dau - on or about 25 April 2023 the trailing suction hopper dredger Sospan Dau (IMO: 7711062) will commence maintenance dredging in the harbour around the Port of Felixstowe for a period of approximately 3 to 4 days. Materials will be disposed to the beneficial sites in the River Stour and River Orwell (Image available). 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.
6. KING'S LYNN CONSERVANCY BOARD. - The Wash - Approaches to King’s Lynn - Amendment to Buoyage - due to changes in the profile of the approach channel to King’s Lynn, the following amendment to buoyage shall be carried on or about 26th April 2023: No.17 light buoy to be moved approx. 20 metres x 300° to 52° 51’.475N 000°20’.945E
Works will be carried out by the work boat “St Edmund”. All passing craft are requested to pass at minimum speed whilst the “St Edmund” is conducting buoying operations.”.
Please contact the St Edmund via VHF ch 14, or Harbour Office, for further information.
7/8. RIVER CROUCH - TWO NOTICES: Whitaker No 6 Lighted Buoy - NAVIGATION - Mariners are advised that Whitaker No 6 Lighted Buoy in approximate position: 51° 39.351N
001° 02.000E is unlit.
Annual Buoy Maintenance - INFORMATION - the annual maintenance programme to service navigation buoys and marks will commence on Tuesday 25th April 2023 and is expected to take approximately 8 weeks. The work will take place between Hullbridge and the Whitaker Buoy. Works will be carried out by the vessel JUMBO which will maintain a listening watch on VHF Channels 11 and 16. All vessels are requested to pass JUMBO at a safe distance and at slow speed, with minimum wash whilst the vessel is carrying out servicing duties.
9/10 RAMSGATE ROYAL HARBOUR - Dredging Campaign - Mariners are advised that the Grab Dredger ‘CH Horn’ will be undertaking a dredging campaign in the Royal Harbour, mainly below the Port Control area, commencing 24th April 2023, for up to 4 weeks. The dredger will be monitoring VHF Ch.14 Vessels are requested to pass at low speed.
It is intended to deploy a 4th (Ramsgate Sailing School) later in the season at the old Ivor Thomas Amusements location – and will advise when this is completed.
That's it.
1. ENGLAND - East Coast - Depths. - Two reductions of depth around the North-East Cross Sand cardinal buoy (off Winterton Ness). Unlikely to hinder leisure craft
2. ENGLAND - East Coast - Depths. - Two reduced depths close to commercial jetties in the River Thames. One in Long Reach off the Purfleet tankage; the other west of Dagenham in Halfway Reach by Dagenham Docks. Unlikely to be close to where we are!
3. ENGLAND - East Coast - Depths. - One reduction of depth to 1.8m just south of the Leigh Middle Sand in Sea Reach, River Thames.
4. ENGLAND - East Coast - Depths. - One reduction of depth right in the middle of the lock entrance to Tilbury Docks, Northfleet Hope, River Thames. Not likely to hinder leisure craft.
Local
1. RIVER THAMES - GRAVESEND REACH - DENTON SLIPWAYS WORKS - on or about 24th April 2023, contractors instructed by Cory Ship Repair Services Ltd. will commence works to replace the lower dolphin of Denton Slipways in Gravesend Reach. These works are expected to be complete approximately 3 weeks after commencement.
The location of these works is indicated by the red-coloured rectangle on the chart extract (see in the Local List at: Notices to Mariners. These works will involve the crane barge VENTURE being anchored in close proximity to the slipways. The barge will show appropriate lights and shapes as required under the International Regulations for Preventing Collisions at Sea and Thames Byelaws. Operatives are expected to be working 0700-1700 daily; personnel transfers may be carried out by small craft. Workboats KING’S REACH and KG2 are expected to be in attendance on these works. Requests for vessels to proceed with caution or to pass at slow speed will be made by London VTS on VHF Ch 68, in accordance with the Port of London Authority’s Port Information Guide, under ‘London VTS’, section 4. During times where this is applicable, international signals flags ROMEO YANKEE will be displayed on the works where they will be visible to vessels. Further information will be broadcast as required by London VTS on VHF channel 68.
2. RIVER THAMES - BLACKWALL REACH - BLACKWALL POINT SPECIAL MARK AND CONTROL MEASURES - Control measures will be put in place to facilitate the safe arrival, departure and berthing of ships over 200m LOA at Greenwich Ship Tier.
Seasonal Special Mark - On or about Friday 5th May 2023, the seasonal lit yellow special mark (Fl.Y.2) will be placed on the southern limits of the navigational channel at Blackwall Point. This buoy will remain in place until approximately Monday 2nd October 2023. The chartlet Indicates the buoy’s position (see in the local list on the above quoated web page.
Navigation Safety Zone - During arrival and departure of ships over 200m, a navigation safety zone will be established around each ship. The safety zone will extend 750 metres ahead to 250 metres astern of the ship between Margaretness and Greenwich Ship Tier. All vessels should remain clear of this zone unless authorised by the attending Harbour Service Launch which will be undertaking Local Traffic Control supported by London VTS.
All vessels navigating in the vicinity of these ships are to pay particular attention to these movements and maintain a continuous watch on VHF Channel 14, following instructions from the attendant Harbour Service Launches displaying blue flashing lights; call sign prefix ‘THAMES PATROL’.
Schedule of Ships - A table indicates the scheduled arrivals and departures of ships, correct at the time of publishing is shown in the Local List. Dates and times may be subject to change or cancellation. Further details will be broadcast by London VTS on VHF Channel 14.
3. RIVER THAMES - KINGS REACH TO BLACKWALL REACH - LOCAL TRAFFIC CONTROL FILMING OPERATIONS - On Friday 28th April 2023 between 18:00 to 22:00, Unmanned Aerial Vehicle (UAV) filming operations will take place between Woods Quay and North Greenwich Pier, the primary focus of the filming is of the vessel SILVER STURGEON. The UAV will be launched from the SILVER STURGEON and will be flying at a range of altitudes. A Port of London Authority (PLA) Harbour Service Launch will be in attendance throughout and will commence periods of Local Traffic Control, as and when necessary to facilitate navigational safety. All vessels navigating in the vicinity of the filming operations should do so with caution, maintaining a continuous watch on VHF Channel 14 and follow the instructions from the attending Harbour Service Launch exhibiting flashing blue lights. Whilst endeavours will be made to lessen the impact on river traffic at this time, operators should be aware that there may be delays to vessels of up to 10 minutes during this period.
Further details will be promulgated by London VTS on VHF Channel 14.
4. HARWICH HARBOUR - Dredging Operations – Multicat Bella - on or about 21 April 2023 the multicat Bella (IMO: 9966207) will commence plough dredging operations in the Harwich Haven around the Port of Felixstowe and Harwich area for a period of approximately 7 to 10 days. Detailed dredger movements can be obtained from Harwich VTS on VHF Channel 71.
5. HARWICH HARBOUR - Dredging Operations – Sospan Dau - on or about 25 April 2023 the trailing suction hopper dredger Sospan Dau (IMO: 7711062) will commence maintenance dredging in the harbour around the Port of Felixstowe for a period of approximately 3 to 4 days. Materials will be disposed to the beneficial sites in the River Stour and River Orwell (Image available). 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.
6. KING'S LYNN CONSERVANCY BOARD. - The Wash - Approaches to King’s Lynn - Amendment to Buoyage - due to changes in the profile of the approach channel to King’s Lynn, the following amendment to buoyage shall be carried on or about 26th April 2023: No.17 light buoy to be moved approx. 20 metres x 300° to 52° 51’.475N 000°20’.945E
Works will be carried out by the work boat “St Edmund”. All passing craft are requested to pass at minimum speed whilst the “St Edmund” is conducting buoying operations.”.
Please contact the St Edmund via VHF ch 14, or Harbour Office, for further information.
7/8. RIVER CROUCH - TWO NOTICES: Whitaker No 6 Lighted Buoy - NAVIGATION - Mariners are advised that Whitaker No 6 Lighted Buoy in approximate position: 51° 39.351N
001° 02.000E is unlit.
Annual Buoy Maintenance - INFORMATION - the annual maintenance programme to service navigation buoys and marks will commence on Tuesday 25th April 2023 and is expected to take approximately 8 weeks. The work will take place between Hullbridge and the Whitaker Buoy. Works will be carried out by the vessel JUMBO which will maintain a listening watch on VHF Channels 11 and 16. All vessels are requested to pass JUMBO at a safe distance and at slow speed, with minimum wash whilst the vessel is carrying out servicing duties.
9/10 RAMSGATE ROYAL HARBOUR - Dredging Campaign - Mariners are advised that the Grab Dredger ‘CH Horn’ will be undertaking a dredging campaign in the Royal Harbour, mainly below the Port Control area, commencing 24th April 2023, for up to 4 weeks. The dredger will be monitoring VHF Ch.14 Vessels are requested to pass at low speed.
Royal Temple Yacht Club Temporary Yacht Racing Marks -
Mariners are advised that the following yacht race marks, all unlit yellow spherical/conical buoys, have been placed in the following positions:| Buoys name | Lat | Long | Type of buoy |
| Kent Decking | 51°19.12N | 01°24.58E | Yellow Spherical (ex. Stonar) |
| Stonar | 51°18.76N | 01°26.35E | Yellow Spherical (ex. Euromarine) |
| Icom | 51°17.72N | 01°26.35E | Yellow Conical |
It is intended to deploy a 4th (Ramsgate Sailing School) later in the season at the old Ivor Thomas Amusements location – and will advise when this is completed.
| Ramsgate Sailing School | 51°17.75N | 01°27.14E | Yellow Conical (ex. Ivor Thomas) |
That's it.
