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Kings Reach - Cannon Street Rail Bridge: Dive Investigation Works & Arch Closures
| Notice Ref | M10-26 |
| Issuer | Sophie Williams |
| Issuer Role | Deputy Harbour Master |
| Issue Date | 27/01/2026 |
| Expiration Date | 14/02/2026 |
| District | Middle |
| Reach(es) | Kings Reach |
On or about Sunday 8th February 2026 contractors working on behalf of network rail will commence diving investigation and survey works at Cannon Street Rail Bridge. Diving operations will take place within the bridge arches and during the diving operations the arches will be closed to navigation. These works are expected to take place overnight and last up to 5 nights.
To accommodate these works, the arches of Cannon Street Rail Bridge will be closed to navigation as follows:
| Arch | Works Start | Works End | Navigational Information | ||
|---|---|---|---|---|---|
| Date | Time | Date | Time | ||
| 2 | Sunday 8th February | 23:30 | Monday 9th February | 05:30 | Arch Closure |
| 3 | Monday 9th February | 23:30 | Tuesday 10th February | 05:30 | Arch Closure |
| 4 | Tuesday 10th February | 23:30 | Wednesday 11th February | 05:30 | Arch Closure |
| 5 | Wednesday 11th February | 23:30 | Thursday 12th February | 05:30 | Arch Closure |
| 1 | Thursday 12th February | 23:30 | Friday 13th February | 05:30 | Arch Closure |
Arches closed to navigation will be marked in accordance with the Port of London Authority Thames Byelaws 2012 namely:
- By day, three red discs 0.6 metres in diameter at the points of an equilateral triangle with the apex downwards and the base horizontal.
- By night, three red lights in similar positions to the discs displayed by day.
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Requirements to proceed with caution or at slow speed will be made in accordance with the procedure set out in the Port of London Authority’s Port Information Guide, under ‘Speed Reductions’, with the International Code Flags ‘Romeo Yankee’ displayed, which are illustrated below.”
The Dive Boat should display International Code Flags ‘Alpha (A)’ as appropriate:
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Mariners transiting Cannon Street Rail Bridge are requested to pass with extreme caution. Mariners must ensure that wash and draw off are kept to a minimum when passing the site.
A Safety Boat will be in attendance throughout these operations and will be maintaining a listening watch on VHF Channel 14.
Further details will be broadcast by London VTS on VHF Channel 14.
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