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Southern Region Passive Thermal Management Solutions for Legacy Lineside Signalling Equipment Housings (Location Cases)

NETWORK RAIL INFRASTRUCTURE LIMITED

This public procurement record has 2 releases in its history.

Tender

14 Nov 2025 at 13:05

UK4 - Tender Notice
Planning

06 Jun 2025 at 11:34

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

Network Rail Infrastructure Limited is currently in the tender stage of procuring "Southern Region Passive Thermal Management Solutions for Legacy Lineside Signalling Equipment Housings (Location Cases)." This procurement process aims to address the increasing thermal stress experienced by legacy lineside equipment housings due to changing climate conditions. The solutions sought should be passive, avoiding active cooling systems due to operational constraints, and retrofittable without compromising safety. With a budget of £14,000,000, the project is located in London and the Southern Region of the United Kingdom, specifically targeting goods within the cooling and ventilation equipment category. The competitive flexible procedure allows for early down-selection of suppliers through a Procurement Specific Questionnaire (PSQ) stage with an expression of interest deadline set for 12 December 2025.

This procurement offers substantial opportunities for businesses specialising in innovative cooling and thermal management solutions. Small and medium-sized enterprises (SMEs) and voluntary, community, and social enterprises (VCSEs) are encouraged to participate. Successful bidders will have a chance to contribute to critical infrastructure maintenance, making over 15,000 retrofits in the Southern Region and potentially more nationwide. With the framework agreement supporting both competitive and direct award processes, firms with relevant experience and capability stand to benefit from long-term contracts starting in July 2026, fostering sustainable growth and operational expansion in the utility sector.

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Notice Information

Notice Title

Southern Region Passive Thermal Management Solutions for Legacy Lineside Signalling Equipment Housings (Location Cases)

Notice Description

Legacy lineside equipment housings (dating from the 1960s-2000s) on the GB rail network are experiencing increasing thermal stress due to hotter, longer summers and changing climate patterns. These housings were not designed for elevated ambient temperatures or prolonged thermal loads and are increasingly at risk of overheating, which may degrade the reliability or lifespan of the sensitive signalling and telecoms equipment inside. In Kent Route, there are over 5,000 and in Southern Region there are over 15,000 of these housings (also known as Location Cases), and nationally over 60,000. Network Rail is seeking passive thermal management solutions that can be retrofitted to existing housings without compromising security, structural integrity, or existing cable penetrations. Active cooling systems are not desirable due to power constraints, maintenance burden, and whole-life cost implications.

Lot Information

Lot 1

Renewal: The proposal is to award a 2-year Contract, with an extension option of 2+2 year (2+2+2) as if successful it may lead to wider delivery across the organisation.

Planning Information

The Market Engagement for the "Passive Thermal Management Solutions for Legacy Lineside Signalling Equipment Housings (Location Cases)" will be conducted through the completion of a questionnaire. This questionnaire must be returned by 20th June 2025. To access the Market Engagement submission document, please follow these steps: 1. Visit our Bravo site using the link provided below. Link to Bravo: https://networkrail.bravosolution.co.uk/web/login.html 2. On the Bravo login page, locate and select the "View Current Opportunities" option at the bottom left of the page. Find and select the link for ‘Southern Region Passive Thermal Management Solutions for Legacy Lineside Signalling Equipment Housings (Location Cases)’ to access the documents available for the market engagement exercise. There is no need to log in to Bravo to access the opportunity. You can view and download the necessary documents without logging in. An overview of the requirements and the instructions for returning the market engagement information are detailed within the PDF document titled ‘Passive Thermal Management Solutions Market Engagement’. The questionnaire that is required to be completed and returned is provided in a separate Word document titled ‘Appendix 1 - Passive Thermal Management Solutions Market Engagement Submission Form’. Please ensure you follow these instructions carefully to submit your information correctly.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-054443
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/073974-2025
Current Stage
Tender
All Stages
Planning, Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Framework
Procurement Category
Goods
Procurement Method
Selective
Procurement Method Details
Competitive flexible procedure
Tender Suitability
SME, VCSE
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

42 - Industrial machinery

CPV Codes

42500000 - Cooling and ventilation equipment

Notice Value(s)

Tender Value
£14,000,000 £10M-£100M
Lots Value
£14,000,000 £10M-£100M
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
14 Nov 20259 months ago
Submission Deadline
2 Dec 2025Expired
Future Notice Date
20 Jun 2025Expired
Award Date
Not specified
Contract Period
3 Jul 2026 - 3 Jul 2028 2-3 years
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
NETWORK RAIL INFRASTRUCTURE LIMITED
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
LONDON
Postcode
SE1 8SW
Postcode Area
South East London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI4 Inner London - East
Small Region (ITL 3)
TLI45 Lambeth
Delivery Location
Not specified
Local Authority
Lambeth
Electoral Ward
Waterloo & South Bank
Westminster Constituency
Vauxhall and Camberwell Green

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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