21/026 — Ballymore Eustace to Saggart Trunkmain Condition Assessments

Tender description

Condition assessment surveys of existing trun kmains from Ballymore Eustace Water Treatment Plant (WTP) to Saggart to determine risk to supply for 830 000 customers in the GDA. Ballymore Eustace WTP is the largest WTP in Ireland. Treated water is conveyed from Ballymore Eustace to Saggart via two trunk mains, namely the Liffey Aqueduct and a 1 600 mm pre-stressed concrete pipeline. The capacity of the pipeline and the aqueduct is approximately 310 MLD with peak capacity of 329 MLD. Condition assessment surveys are to be carried out on the full length of the prestressed concrete main (25 km) and the steel sections of the aqueduct (9 km). The surveys must include the use of in pipe, untethered survey technology as it will not be possible to take either main out of service for the duration of the surveys. Please refer to instructions to bidder for further information. Lot 1: Condition assessment surveys of existing trun kmains from Ballymore Eustace Water Treatment Plant (WTP) to Saggart to determine risk to supply for 830 000 customers in the GDA. Ballymore Eustace WTP is the largest WTP in Ireland. Treated water is conveyed from Ballymore Eustace to Saggart via two trunk mains, namely the Liffey Aqueduct and a 1 600 mm pre-stressed concrete pipeline. Please refer to instructions to bidder for further information. Ervia wishes to invite request for information for ‘21/026 — Ballymore Eustace to Saggart Trunkmain Condition Assessments’ Expression of interests should be made via the etenders platform before or on 12.00 (local time) on Tuesday 25 May 2021. www.etenders.gov.ie/system-user-guides