New Ross Interim Flood Alleviation Scheme

This project involved interim works to improve the standard of flood protection to the Quays in New Ross and at Rosbercon. Currently, the lower lying parts of New Ross are subject to flooding when high tides combine with low pressure and southerly winds on the River Barrow. Wexford County Council appointed TJ O’Connor & Associates to undertake a feasibility study of flood defence works for New Ross in association with a main drainage scheme for the town.

The study concluded that limited interim relief works carried out in association with the sewerage scheme could bring about a substantial improvement in the standards of flood protection. The study recommended the construction of solid and de-mountable flood defence walls, reflux valves to all surface water outfalls, overflows from the storm outfall pipes to an interceptor sewer and provision for the collection and over pumping of surface water from the Quays.

T. J. O’Connor & Associates completed design, tendering and construction management for the full scheme which commenced construction in June 2007, with the certificate of substantial completion issued in March 2009.

Approval for works below the High-Water Mark required consents under the Foreshore Act and a Foreshore Licence application for the relevant works was prepared and submitted by T. J. O’Connor & Associates on behalf of Wexford County Council. Part 8 Planning drawings and descriptions were also prepared by T. J. O’Connor & Associates on behalf of New Ross Town Council.

Start/End Date:

April 2005 – Dec 2009

Contract Value:



Full Engineering Services as Client’s Representative and PSDS/PSDP

Key Features:

  • Permanent concrete flood wall on top of the existing quay walls over a 500m length
  • Demountable flood defence walls along the quays
  • Topographical, asset condition, buried utility and ground investigation surveys
  • Preparation of Part 8 planning documents and Foreshore Licence Application
  • Tendering of the works, the assessment of the tenders returned, preliminary assessments of Contractors’ competence to act as PCSC and the recommendation of a tender award
  • Construction management and supervision

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