Costain Group PLC is seeking suppliers for the design and supply of tunnel ventilation attenuators as part of the HS2 high-speed railway project, which connects London to Birmingham. The project involves approximately 180 km of railway and requires sound attenuators for headhouses and ventilation sh
Tender closed on 29 Oct 2025. Awaiting award.
Costain Group PLC is seeking a consultant for Electro-Magnetic Compatibility (EMC) Management for the HS2 project, which involves the construction of a high-speed railway connecting London to Birmingham. The consultant will oversee the compatibility of electrical systems during the design, construct
Costain Group PLC is seeking a supplier to provide design and execution services for acoustic testing as part of the HRS02 contract for the HS2 high-speed railway project, which connects London to Birmingham. The scope of work includes acoustic testing in tunnels, portal buildings, headhouses, and s
Costain Group PLC is seeking suppliers to provide Mechanical and Electrical (M&E) services for the HS2 project, specifically for contract HRS02, which involves the Tunnel and Lineside areas. This high-speed railway project connects London to Birmingham, with future extensions planned. The scope of w
Costain Group PLC is seeking a supplier to provide maintenance services for the Tunnel and Lineside Mechanical and Electrical systems as part of the HS2 project, which connects London to Birmingham. This opportunity involves maintaining 29 building assets along a 180 km route, including tasks such a
Design and construct a 4 km Luas light rail extension from Finglas to Dublin city centre, including four new stops, a Park and Ride facility, bridges, and associated infrastructure under an NEC4 Target Cost contract.
Tender for construction of a new single-storey plumbing training workshop with associated facilities and site works at Banagher Further Education and Training Centre in Offaly, Ireland.
Construction project to expand Fahy National School in Westport with new accommodation for mainstream and special needs students, including site infrastructure upgrades.
MaresConnect seeks EPC contractors for construction and installation of a 750MW electricity interconnector linking Wales and Ireland via subsea and underground cable systems.
