Tender Details

Country: United Kingdom
Summary: P16 Tunnel Ventilation Attenuators
GBT Ref No: 128210030
Deadline: 29 Oct 2025
Financier: Self Financed
Purchaser Ownership: Government
Tender Value: GBP 10000000
Notice Type: Tender
Document Ref. No.: C4N101108764
Purchaser's Detail:
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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 ...
Documents:

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P16 Tunnel Ventilation Attenuators - Unitedkingdom Tender

The COSTAIN GROUP PLC, a Government sector organization in United Kingdom, has announced a new tender for P16 Tunnel Ventilation Attenuators. This tender is published on UnitedkingdomTenders under GBT Ref No: 128210030 and is categorized as a Tender. Interested and eligible suppliers are invited to participate by reviewing the tender documents and submitting their bids before the deadline on 2025-10-29.

The estimated tender value is GBP 10000000, and full details, including technical specifications and submission requirements, are provided in the official tender documents. Ensure all submissions meet the criteria outlined to be considered for evaluation.