Works are continuing to upgrade the sewer network in O'Connell Street

Irish Water is continuing with works to upgrade the sewer network in O'Connell Street which will help address odour issues, reduce sewer flooding and upgrade the sewers for the long-term benefit of businesses and residents in the city centre.

Since the sewer upgrade project works commenced in May, structural repairs to the original stone culvert have been completed. The remaining works involve the construction of access shafts which will allow future access without the requirement for further excavation on the street. 

The works are being completed ahead of the commencement of Limerick City and County Council’s 'Limerick Urban Centre Revitalisation of O'Connell Street’ (LUCROC) project.

Due to supply chain issues resulting from the Covid-19 pandemic, there has been a delay of two weeks in obtaining the structural streel required to complete the construction of the remaining access shafts. The works programme has therefore been extended by two weeks with completion now expected in mid-August.

The temporary closure of businesses and consequent reduction in traffic volumes due to Covid-19 meant that the first phase of works on the project could be carried out without the requirement for any night works. With traffic volumes now returning to previous levels and in order to complete the works in a safe and efficient manner, it is now proposed that the remainder of the work is carried out under a programme of night works for the remaining five weeks commencing on Monday 13 July 2020.

The projected hours of work are Monday to Thursday night/Friday morning - 7pm to 7am.

Mark O’Duffy, Wastewater Network Programme Regional Lead with Irish Water, said "Again we would like to thank the local community, businesses, homeowners and commuters for their continued patience and cooperation while we deliver this vital project in Limerick city centre. We regret any inconvenience these necessary works may cause."

More information

For further information, please contact the project team on 1890 25 22 61 during office hours (8am-5pm) or

GMC Utilities Limited is working on behalf of Irish Water to deliver this project. 


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