Limerick Main Drainage

Client: Limerick City Council
Project Value: €200 Million +
Services Provided: Project Management , Preparation of Preliminary Report, Construction of Sewer Network Model (Info / Hydro works), Detailed Design, preparation of Contract and Tender documents for multiple contracts, Construction Supervision and Commissioning

Key Features:

  • 130,000 PE Waste WaterTreatment Plant
  • 4,500 TDS Sludge Treatment Plant (Thermal Drying Facility)
  • 2.7m diameter Tunnel, 2.58 km long with 12 access shafts, 13m deep
  • 7.5 km of trenchless construction for interceptor sewers up to 1800m diameter
  • 4 Major River Crossings
  • Main Lift Pumping Station, capacity 13.6m3/sec
  • Pre-loading and vertical drainage contract
  • Outfall Pipeline - 1,100mm diam. 1 km in length to Shannon Estuary including jetty structure


Joint venture with White Young Green and Michael Punch & Partners (Consulting Engineers)