OPW Tender on Lower Shannon Options – Preliminary Design (Flood Relief)

The OPW, on behalf of the Shannon Flood Risk State Agency Co-ordination Working Group, intends to commission a Project in the lower River Shannon and Mulkear catchment in Q4 2021.


The driver for this project is to increase the capacity of the Old River Shannon to help reduce fluvial flooding at lower magnitude events.

Project Objective 1: identify feasible options for the management of sediment and vegetation to prevent further reduction in, and if possible increase, conveyance and/or channel capacity of the Old Shannon between Clareville Water Treatment Plant and St Thomas Island

Project Objective 2: identify opportunities to bring wider benefits to the Project Area, e.g. environmental, water quality, amenity

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