Notices to Mariners Week 42

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UKHO Permanent/Preliminary/Temporary Notices

1. ENGLAND - South East Coast - Depth. - One small reduction of depth in the SW bound Sandettie deep water TSS – west of the Sandettie SW cardinal. At over 29m, hardly likely to hinder leisure craft!
2. ENGLAND - East Coast - Drying heights. - River Thames - A quite large increase of a drying height at the entrance of Barking Creek;
3. ENGLAND - East Coast - Depths. - One change of depth in the Sunk Precautionary Area. At over 15m will not hinder leisure craft.
4. ENGLAND - East Coast - Buoyage. Fog signal. - Two buoys moved off Lowestoft; the S Corton and NE Holm. This was originally notified vide Trinity House NtM No 12 in Week 40.
5. ENGLAND - East Coast - Depths. - One reduction of depth in the Great Yarmouth Haven. NtM 4752 (Week 38) was a similar reduction of depth adjacent. Both reduced depths are shown in the image. (see: http://www.crossingthethamesestuary.com/page9.html for all the images and ull details);
6. ENGLAND - East Coast - Depths. - Four quite dramatic reductions of depth on the west side of the SW Scroby Sands but still ‘protected’ by the SW Scroby SHB.
7. ENGLAND - East Coast - Jetties. Lights. - Deletion of the Wallesea Island Jetty and associated lights on the River Crouch.
8. ENGLAND - East Coast - Buoyage. Fog signal. - This is tidying up the three NtM in the last three weeks: NtM 4940, NtM 5212 and Trinity House No 13 so this is effectively a duplicate.

Local Notices

1. GRAVESEND REACH - LOWER THAMES - CROSSING TEMPORARY CONTROL ZONE & GROUND INVESTIGATION WORKS
On *or *about *the week commencing the 14th October *2019 *marine *ground *investigation works will commence as part of Highways England’s Lower Thames Crossing Project. The works, which are expected to last for approximately 3 months, will be undertaken by two jack-up barges working simultaneously at various positions along the proposed route of the crossing in a continuous 24 hours, 7 days a week operation. *During this time a Temporary Control Zone will be in place from a line drawn due north from Royal Terrace Pier to a line drawn through the Ovens and Higham Buoys (see Fig 1). The Temporary Control Zone will be actively managed by London VTS on VHF channel 68.

This is a long Notice so if you use the Thames in the next three months, go to the usual (above quoted page) and download the full Notice in the Temporary List, see the images etc. Calling VTS for passage is obligatory.

2. GRAVESEND REACH - LOWER THAMES - CROSSING TEMPORARY CONTROL ZONE & GROUND INVESTIGATION WORKS
On *or *about *the week commencing the 14th October *2019 *marine *ground *investigation works will commence as part of Highways England’s Lower Thames Crossing Project. The works, which are expected to last for approximately 3 months, will be undertaken by two jack-up barges working simultaneously at various positions along the proposed route of the crossing in a continuous 24 hours, 7 days a week operation. *During this time a Temporary Control Zone will be in place from a line drawn due north from Royal Terrace Pier to a line drawn through the Ovens and Higham Buoys (see Fig 1). The Temporary Control Zone will be actively managed by London VTS on VHF channel 68.

Full details and image are in the Temporary List.

3. Harwich Harbour - Maintenance dredging – Harwich Haven berths and approaches - on *or *about *the 7th of October, 2019 the plough dredger Baloewill commence maintenance dredging, day and night,of the berths at Felixstowe, Harwich International and Harwich for approximately 7 days. *Detailed dredger movements can be obtained from Harwich VTS on VHF Channel 71. *

4. Works to Longview, The Esplanade, Hullbridge, Essex – River Crouch - work is due to commence tomorrow on the repairs to the seawall at Hullbridge. The location of the repairs will take place in approximate vicinity: 51° 37.7137’N *00° 36.4109’E. A small Spud Barge will be in situ in the river across to the shore at Hullbridge for the duration of the works. Mariners are requested to proceed with caution whilst navigating within this area.

5. Dredging work on Hickling Broad from Whiteslea Lodge Area to Catfield Dyke - dredging operations on Hickling Broad may restrict passage during week days from Monday 4 November 2019 until Friday 27 March 2020. During this period dredging will be in operation between 08:00 and 16:00 daily, excluding weekends. During each period of operation delays may occur with the dredging rig taking up much of the navigational width. **Mariners must exercise great care whilst proceeding passed the works. Image in the Temporary List.

6. Dredging work on Tyler’s Cut on the Upper Ant from 24hr Mooring to Smallburgh Canal - dredging operations on the Tyler’s Cut may restrict passage during weekdays from Monday 4 November 2019 until Friday 20 December 2019. During this period, dredging will be in operation between 08:00 and 16:00 daily, excluding weekends. During each period of operation, delays of up to 2 hours may occur with the dredging rig taking up much of the navigational width. *Mariners must await clear instructions from the dredging crew before attempting to pass.

Image and full details in the Temporary List.

7. Closure of Waxham Cut at the mouth of Horsey Mere to Brograve Mill - as part of the Broads Authority dredging programme Waxham Cut should be considered closed to marine traffic during the following period Monday 04 November to Friday 17 January 2020. During this period, dredging will be in operation between 08:00 and 16:00 daily, excluding weekends. *Considering the limited space for manoeuvring in Waxham Cut, navigation will be closed during this period. *Mariners with vessels in Waxham Cut are encouraged to make route arrangements prior to the works starting.

Image and details in the Temporary List.

8. Port of Wells - dredging.

www.crossingthethamesestuary.com

 

Link to details - http://www.crossingthethamesestuary.com/page9.html

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

 

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