Published date: 25 September 2025

Open opportunity - This means that the contract is currently active, and the buying department is looking for potential suppliers to fulfil the contract.


Closing: 9 October 2025, 12pm

Contract summary

Industry

  • Fans - 39717100

Location of contract

West Midlands, London, South East

Value of contract

£5,000,000 to £10,000,000

Procurement reference

C4N100287066

Published date

25 September 2025

Closing date

9 October 2025

Closing time

12pm

Contract start date

31 May 2027

Contract end date

24 June 2027

Contract type

Supply contract

Contract is suitable for SMEs?

Yes

Contract is suitable for VCSEs?

No

Description

Scope/ What Will Be Required

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 8 fans and associated equipment scope for contract HRS02 consists of fans and the associated equipment within the headhouses and tunnel areas of the railway, the route being circa 180 km in length, inclusive of;

-Ventilation Fans
-Construction Ventilation Fans
-Associated VSDs
-Associated Panels

Costain require a supplier for design and supply only of the fans and associated equipment 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
-Ventilation 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.  
 
About the Buyers Selection Process 

This will be a competitive procurement process which will be completed in line with both the Costain and HS2 procurement rules to ensure a fair process throughout. The selection process will include assessment against a number of key criteria listed below; 

a)  Cost 
b) Whole Life Cost and Maintenance 
c) Programme 
d) Health and Safety 
e) Quality 
f) Equality, diversity and inclusion 
g) Skills, Employment and Education 
h)Environment and Sustainability 

Respondents to this opportunity should be advised that prior to shortlisting, the Buyer will undertake a rigorous due diligence process including a Pre-Qualification Questionnaire. 

Unsuccessful applicants will be advised via e-mail or the Buyer's Procurement Portal, successful shortlisted applicants will be invited to tender through the Buyer's Procurement Portal. 

Proposals from Tenderers will be evaluated against a pre-agreed commercial and non-commercial award criteria. 

Costain Reserves the right to split this package and award the scope to multiple suppliers.  

More information

Links

How to apply

Follow the instructions given in the description or the more information section.

About the buyer

Contact name

David Smith

Address

70 St. Mary Axe
London
EC3A8BE
UK

Telephone

+447921243727

Email

david.smith3@workingwithcostain.com