Source: https://tendernation.io/opportunities/01a13bd2-da20-70fc-a903-745fee3e385d/1006978201-t1407-ventilation-improvements-to-existing-stations closed GB open procedure Suitable for SMEs # 1006978201 T1407 Ventilation improvements to existing stations [Rail Safety Standards Board (RSSB)](https://tendernation.io/buyers/rail-safety-standards-board-rssb) Estimated value £130,000 Published 21 Jan 2026 Deadline Closed 23 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 T1407 aims to identify the best approaches to improving air flow and air quality management in existing railway stations. By identifying effective assessment methods, classifying air flow types to guide interventions, and conducting a pilot study at Birmingham New Street Station (BNS) to evaluate and recommend practical interventions and solutions, T1407 will inform air quality improvement guidance for wider application across GB railway stations. 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./HV38649KFQ) To respond to this opportunity, please click here: [delta-esourcing.com/respond/HV38649KFQ](https://www.delta-esourcing.com/respond/HV38649KFQ) ## CPV classification Research services Source Find a Tender (UK) · Notice ocds-h6vhtk-060b30-2026-01-21T14:05:38Z [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-060b30-2026-01-21T14:05:38Z) 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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