P16 Tunnel Ventilation Attenuators

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.