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Time to close

Value

Type

Buyer

Notice

CLOSED

08 Dec

—

Estimated

Modification

FTS

The Police and Crime Commissioner for Northumbria

Provision of Role Play Acting Services - Stage 1

· Published 08 Dec

Notice peek

ClosedCF · e3f9caf2959f

P16 Tunnel Ventilation Attenuators

Costain Group PLC

Status

Closed

Estimated

£10.0m

Published

15 Oct 2025

Key facts

Notice ID: cf-ee534256-67d8-461d-8298-e3f9caf2959f
CPV code: 39563530 · Furniture & furnishings
Source: Contracts Finder

Timeline

Published
15 Oct 2025

Description

Costain have been appointed to deliver contract HRS02, the Tunnel and Lineside Mechanical and Electrical services for HS2 ltd. A high-speed railway project that connects London to Birmingham with plans to extend in the future. Package XX Tunnel Ventilation Attenuators scope for contract HRS02 consists of sound attenuators within the headhouses and ventilation shaft areas of the railway, the route being circa 180 km in length, inclusive of; - Tunnel Ventilation Fan Attenuators - Acoustic Panelling - Testing Costain require a supplier for design and supply only of the tunnel ventilation attenuator package. Costain and HS2 are looking for innovative and smart solutions that provide benefits in the following key areas; - Health and Safety - Programme - Installation and commissioning efficiency - Cost - Quality and Assurance efficiency - Whole life cost - Carbon efficiency All the innovation and design development must be accompanied with a rigorous approach to ensuring that the technical requirements are met. Including testing, where necessary. The scope of the design and supply will include the following; - Support to Costain's design partner through concept and detailed design - Noise analysis, modelling and calculations - Testing of products and arrangements - Provision of samples and mock ups - Commissioning support, as required Full details of the scope and specifications will be provided to the successfully shortlisted suppliers. Suppliers should be aware of the scale of the HS2 project and are to assess their internal capabilities to be able to carry out the intended scope of works prior to completing the expression of interest.