Projects Water Treatment

Four Roscommon Regional Water Supply Scheme DBO Contract

Four Roscommon Regional Water Supply Scheme DBO Contract

Client:  Roscommon County Council

Location:  Various locations in County Roscommon

Date:  April 2014- to Present

Contract Value: € 10,600,000

Client Representives:  JB Barry and Partners Ltd and Jennings O’Donovan & Partners

The Four Roscommon RWSS DBO Contract involves the design, construction and operation and maintenance of 5 No. Water Treatment Plants ranging in size from 61m3/hr to 318m3/hr. The Contract includes a 20 year Operation and Maintenance period for the 5 No. WTPs.

The Contract included 5 No. Water Treatment Plant within Four Regional Water Supply Schemes, as follows:
  • South Roscommon Regional Water Supply Scheme (SRRWSS) – Lisbrock and Killeglan WTPs.
  • Roscommon Central Regional Water Supply Scheme (RCRWSS) – Ballinagard WTP.
  • Boyle Ardcarne Regional Water Supply Scheme (BARWSS) – Rockingham WTP.
  • Arigna Regional Water Supply Scheme (ARWSS) – Ballyfarnon WTP.
The general scope of works and objective of the Contract is outlined as follows:
  • Development of the production wells/springs including chambers, pumps, rising mains to the WTP and associated telemetry.
  • The development of Hughestown wellfield including the production wells & chambers, control building and pump house.
  • The provision of five Water Treatment Plants and associated water pumping facilities in four out of five WTPs.
  • To provide appropriate barriers to Cryptosporidium in accordance with the EPA ‘Water Treatment Manual: Disinfection’, published in November 2011; and to reduce the risk of Cryptosporidium to low risk level in accordance with the EPA Cryptosporidium Risk Assessment Methodology.
  • The treatment and disposal of any sludge and wastes generated.
  • The provision of a booster pumping station at Rockhill (ARWSS).
  • Instrumentation and telemetry, metering and sampling equipment.
  • Review and upgrading of existing infrastructure.
  • To design & build water level instrumentation, outlet bulk meter and outlet sampling on the distribution outlet from the existing Reservoirs.
  • The interim operation and maintenance of these facilities during DB Phase.
  • Operation and maintenance of existing and new facilities for a 20 year O&M period.
  • Operation and maintenance of some rising mains, constructed by others, for the 20 years operation and maintenance period.



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