Source: https://tendernation.io/opportunities/01a13bd3-52e4-709a-ac9f-a57b35b991d9/1008157290-t1414-testing-the-feasibility-of-the-use-of-solar-reflective-solution closed GB open procedure Suitable for SMEs # 1008157290 T1414 Testing the feasibility of the use of solar reflective solutions on rolling stock [Rail Safety Standards Board (RSSB)](https://tendernation.io/buyers/rail-safety-standards-board-rssb) Estimated value £120,000 Published 28 Jan 2026 Deadline Closed 27 Feb 2026 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Buyer says suitable for VCSEs The buyer ticked “suitable for voluntary, community and social enterprises” on the notice. - Below-threshold contract Buyers cannot shortlist bidders on suitability before tenders are in, so everyone gets to submit a bid (except some larger works contracts). [Procurement Act 2023, section 85](https://www.legislation.gov.uk/ukpga/2023/54/section/85) - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender T1414 aims to demonstrate the effective use of Solar Reflective Solutions to reduce internal vehicle temperatures, supporting improved passenger comfort, reduced HVAC energy consumption demand and improved component reliability for GB passenger rolling stock. ### Work Package 1- Benchmarking and trial planning - Assess the current performance of existing rolling stock paint systems to establish a baseline against which the potential benefit and disbenefits of adopting solar reflective alternatives can be determined. - Identify and select SRSs which meet GB passenger rolling stock requirements to ensure the SRSs trialled meet technical, safety, and operational material requirements. - Develop a test plan for a box trial, representative of a rail vehicle, to assess the effect that SRSs would have on internal rail vehicle temperature. ### Work Package 2 - Box trials - Undertake box trials2, representative of a rail vehicle, as per the test plan produced in WP1, to gather data on the solar, thermal and operational environment performance of SRSs. •Analyse the data gathered from the box trials to enable cost-benefit analysis of the material systems and mitigate potential risk/unsuitable candidates. Work Package 3 - Business case for SRS adoption - Produce an initial business case for the use of SRSs on GB passenger rolling stock based on WP2. Work Package 4 - Planning next steps – This will only be undertaken if business case in WP3 is positive - Identify the questions (including technical) that remain to be answered to make informed decisions on the adoption of SRS. - Develop a test plan for trial(s) that would answer the outstanding questions identified in WP 2 and 3 so RSSB may seek support from relevant parties and plan for such trial(s). Note – The decision to proceed with the last work package will be made by RSSB based on the findings from WP2 and 3. The work for WP4 should be included in the total price, but with the cost separately identified to be able to be removed if WP4 is not progressed. benefit analysis of the material systems and mitigate potential risk/unsuitable candidates. For more information about this opportunity, please visit the Delta eSourcing portal at: [delta-esourcing.com](https://www.delta-esourcing.com/tenders/UK-UK-London:-Research-services./H6PV3F8HC3) To respond to this opportunity, please click here: [delta-esourcing.com/respond/H6PV3F8HC3](https://www.delta-esourcing.com/respond/H6PV3F8HC3) Read full description ## CPV classification Research services Source Find a Tender (UK) · Notice ocds-h6vhtk-0610c7-2026-01-28T12:06:35Z [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-0610c7-2026-01-28T12:06:35Z) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. 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