River notice 31/19

Navigation information - Dredging - 16 September 2019 - 31 March 2020

Notice is hereby given that the River Lagan impoundment between Lagan Weir and Stranmillis Weir will be undergoing a major maintenance dredging project commencing 16 September 2019 and programmed for completion 31 March 2020. During this period the river will be closed to all traffic heading from Belfast Harbour unless prior written permission has been issued by the River Manager.

The dredging project will commence at Stranmillis Weir and will be phased so that sections of the river will be handed over to rowers for recreational use as they are completed.

The approximate length of time from commencement of the project and closure of the river, to reopening of the various sections is detailed in the table below:


Reach of River

Weeks after start date


Stranmillis Weir to King’s Bridge



King’s Bridge to Blackstaff Relief Culvert outfall



Blackstaff Relief Culvert Outfall to Ormeau Bridge



Ormeau Bridge to McConnell Weir



McConnell Weir to Lagan Weir


The start date of the works is 16 September 2019 and if this changes river users will be notified.

For the duration of the works there will be a general presumption against rowing from Monday to Friday between the Contractor’s agreed working times, 07:00 to 18:00, in Sections A-D (see below for details of Sections A - E).

This presumption against rowing also applies from Monday to Friday between the Contractor’s agreed working times, 07:00 to 22:00, in Section E.

Access will be allowed to all Sections of the river by all crews on all day on both Saturday and Sunday. During these times normal rules of the river will apply. Once sections have been completed all river users will have unrestricted access to that particular section of river. Notification of completion will be issued by the River Manager.

River users are to note that access to the River above the Stranmillis Weir will be provided throughout the duration of the works and any clubs wishing to avail of this access should contact the River Manager.  Clubs will be expected to carry out appropriate risk assessments and mitigate them before allowing their members to use this access, they should also take account of changing flow conditions before entering the river and minors and novices must be closely supervised.

Once works have been completed to Section A, controlled access to all sections of the river shall be permitted between 14:00 and 18:00 on Tuesday, Wednesday & Thursday’s. This access shall be allowed only to crews who have completed a safety induction. Specific details for the agreed shared use scheme will be given at the safety induction. It is extremely important no rowers enter the shared use areas without a safety induction from the dredging contractor or their club coach.

Violation of these agreed concessions by any club or crew shall result in the immediate withdrawal of the concessions and a blanket ban on rowing during Contractor’s working hours being enforced.

Updates will be issued to all river users on a weekly basis via the email circulation system (Please contact james.hare@communities–ni.gov.uk if you want included on the circulation list).

The contractors work area will be clearly marked using signage and buoys and the River Warden’s boat will be on duty to ensure that river users comply with the River Lagan Tidal Navigation and General Bye-Laws (NI) 2007 applicable to this Notice.

Peter Gallagher
River Manager
Belfast Regeneration Directorate
4th Floor, NINE Lanyon Place

6 September 2019


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