P16 Tunnel Ventilation Attenuators
Costain needs design and supply of tunnel ventilation sound attenuators for the HS2 project across a 180 km route. The package includes fan attenuators, acoustic panelling, testing, and support through design development.
- Closed29 October 2025, 12 noon
- Published15 October 2025
- Value£10m
- BuyerCostain Group PLC
- WhereHS2 tunnel route between London and Birmingham
- CategoryFurniture, equipment & supplies
- RegionLondon, South East, West Midlands
You'll want to look if you design and manufacture specialist acoustic ventilation systems and can support detailed engineering design for large infrastructure projects
Might not suit a small firm
- the contract itself is a large one