Letterkenny Regional Water Supply Scheme including Creeslough WTP, Contract No 1 — Letterkenny and Creeslough Water Treatment Plants, Design Build Operate Contract

Quantity or scope

The contract consists of the design, construction, commissioning, testing, operation and maintenance of the water treatment plants together with site development and ancillary works together with associated pipelines as follows:Design-Build:Letterkenny Water Treatment Plant.The proposed Letterkenny Water Treatment Plant (WTP) is to be located on a greenfield site at Goldrum and will have a capacity of 9 000 m3/day (500 m3/hr). The proposed development includes the construction of the following works;— Upgrading Works at the existing Lough Greenan and Lough Keel Pumping Stations;— New Raw Water Rising Main from Lough Keel to a new Water Treatment Plant at Goldrum to replace existing Asbestos Cement Raw Water Rising Main;— New Water Treatment Building including chemical storage and administration area;— New Raw Water Blending Tank;— New Sludge Dewatering Facility including Sludge Dewatering Building, sludge balancing tank, thickening tanks, sludge holding tank and sludge acceptance facility;— New Clear Water Tank;— New ESB Sub-Station;— New Generator Shed (Enclosure);— Associated site development and other ancillary works.Creeslough Water Treatment Plant:The proposed Creeslough WTP is to be located on a greenfield site adjacent to the existing WTP site and will have a capacity of 2 500 m3/day (139 m3/hr). The proposed development includes the construction of the following works;— New Water Treatment Building including treatment units, chemical storage and administration area;— New Raw Water Blending Tank;— New Clear Water Storage Tank;— New Low Lift Pumping Station (Treated Water);— New Sludge treatment facility including Sludge Balancing Tank, Sludge Thickening Tank and Sludge Holding Tank;— New Washwater Recovery Tank;— Associated site and ancillary works.Operation Service:— Operation and maintenance of the works, from the existing intakes to the outlet of the plants, for a minimum period of 1 year with the option to extend for a further period of up to 3 years at the sole discretion of the Contracting Entity.— The operation and maintenance of the works will include the operation and maintenance of the water treatment plant together with associated works and may include the operation of outlying pumping stations and raw water intake facilities. Full details will be provided in the ITT.Further details of the scope of works and phasing of the works are included in the Pre-Qualification Questionnaire.

A pre-qualification questionnaire will be issued to all candidates who respond to this notice. Expressions of interest should be addressed in writing and sent via email for the attention of The Shared Services Procurement Manager to tenders@ervia.ie