Enniscorthy Sewerage Scheme, Wexford


    We completed work on this project for all stages (i) to (v) from Preliminary Report/optioneering through detailed design, tendering, construction supervision, commissioning and handover. This scheme involves the construction of a verified hydraulic drainage model of the wastewater and stormwater sewers in the agglomeration, a new 26,200 PE wastewater treatment plant including sludge treatment and storm storage, the upgrade of seven pumping stations, the construction of a new package pump station, construction of new foul sewers, upgrading of existing foul sewers and rehabilitation of existing foul sewers.

    The scheme was split into five contracts as follows:

    • Contract No. 1 – Site Investigation Works
    • Contract No. 2 – CCTV and Manhole Survey
    • Contract No. 3 – Flow and Load Survey
    • Contract No. 4 – new 26,200PE WwTP & sludge treatment facilities
    • Contract No. 5 – foul and storm sewer network

    Key features of this project:

    Contract No. 4

    • 26,200PE WwTP & sludge treatment
    • Provision of 2,300m³ storm storage
    • Upgrade of pumping and control equipment at three satellite pump stations
    • DN375 x 820m gravity sewer
    • This project includes a 7-year operating contract

    Contract No. 5

    • Upgrading, rehabilitation and extension of the foul and storm sewer network including various pumping stations and decommissioning of CSO’s
    • The data collection/hydraulic model build, and verification stage is in progress
    Client: Irish Water & Wexford County Council
    Location: Co. Wexford
    Value: €18.5 Million