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Design, supply, installation and maintenance of mechanical and electrical equipment for the control and management of the Queensgate Tunnel and related infrastructure and services.

Concrete repairs in the pedestrian tunnel and adjacent ventilation voids (confined spaces) to the structures supporting the road deck in both bores; upgrading of the existing cathodic protection system; the removal of the existing lighting in the ....

Design, build, test and commission of the following two main components: i) A recycled water conveyance tunnel from Mogden Sewage Treatment Works (STW) to Teddington. A new approximately 4.2km long tunnelled conveyance route approximately 3.5m int ....

Design, supply, installation and maintenance of mechanical and electrical equipment for the control and management of the Queens Gate Tunnel and related infrastructure and services.

Elizabeth Line tunnel ventilation and controls system maintenance (2026-2027 onwards).

Retender of the London Street Tunnels Operations Centre (LSTOC) contract.

Victoria Line Fan system upgrade, main control panel upgrade, deep cleaning of all pant rooms and soundproofing.

The proposed contract will provide a mechanism for the provision of additional services. It is proposed to use the NEC 4 Term Service contract which allows services to be provided continuously over the contract period and/or on an additional task by ....

Tunnel washing services for three A55 tunnels.

Watford Borough Council is seeking to procure a consultant to act as principal designer to oversee the detailed design and permitting phase to enable fish passage at two weirs located in South Watford. This involves progressing a series of improve ....