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Overview

The Cork Lower Harbour Main Drainage Scheme (Cork LHMDS) includes the population/industrial centres of Cobh, Carrigaline, Crosshaven, Passage West, Monkstown, Glenbrook, Ringaskiddy Shanbally and Coolmore.The existing sewer network serving the Lower Cork Harbour area comprises mainly combined sewer systems. Wastewater from Cobh, Carrigaline, Passage West/Monkstown and Ringaskiddy is currently discharged following preliminary screening or untreated into the Harbour.

It is proposed to transfer wastewater from the Cork Lower Harbour to a new wastewater treatment plant site. A site for a new central treatment plant has been selected at Shanbally (north west of Carrigaline) utilising the existing IDA outfall discharging to the Harbour at Dognose Bank. The scheme includes the construction of eight main pumping stations and approximately 57km of new/upgraded gravity sewers, 15km of rising mains, rehabilitation of existing sewers and surface water separation where economically viable. An Environmental Impact Statement has been prepared for the scheme and approved by An Bord Pleanála.

                   

 Cork Lower Harbour Main Drainage Scheme - click on the image to enlarge

Key Dates

  • Feb 2013 - Appointment of Nicholas O'Dywer and AMEC Consulting Engineers
  • 2013 - Commencement of initial investigation contracts
  • 2014 - Tendering and award of construction contracts
  • 2015 - Commencement of main construction contracts
  • 2019 - Completion of scheme