Official UK procurement notice
Supply of Tubular Stretcher Bars (TSBs)
Authority: NETWORK RAIL INFRASTRUCTURE LIMITED (Central government)
What is being bought
Published requirement descriptionThis premarket engagement is looking to engage with the market to understand the level of interest and capacity for the manufacture and supply of Tubular Stretcher Bars (TSBs). As these TSBs are a safety critical component to the track they will require product approval.
Historic demand over the last four years has seen an average spend of £1.75m to £3m a year which tranlsates to a range of 5,000 to 10,000 units sourced a year. Due to the volatile demand for this good, Network Rail is unable to forecast further than 6 months for demand.
CPV: Railway materials · Railway-track construction materials and supplies
The lotProcurement structure
single lot · no lot value publishedProcedure terms & legal framework
From the official record- Legal basis
- UKPGA · 2023/54 Procurement Act 2023
- Procurement category
- Goods
- Notice status
- Past planning notice
- Procurement threshold
- Above threshold (FTS publication)
- Regulatory regime
- Utilities
- Commercial structure
- Stand-alone contract (no framework)
- Competition type
- Competitive procedure
- GPA / WTO covered
- Unspecified in notice
- Recurring procurement
- Unspecified in notice
- First published
- 2 Jun 2025, 15:04 BST
- Last source update
- 27 Mar 2026, 16:05 GMT
- Authority reference
FBR6203- FTS notice number
2026/S 000-028701- Latest notice
- Preliminary market engagement notice (UK2)
- Classification (CPV)
- Delivery area
- Official registry OCID
ocds-h6vhtk-052acbFind a Tender
How it was run
Official notice- Submission deadline
- —
Timeline
2 Jun 2025 → 1 Apr 2027 · 5 dates- Planning notice published2 Jun 2025, 15:04 BST
- Tender notice expected242 days ago1 Mar 2026, 23:59 GMT
- Latest notice published216 days ago27 Mar 2026, 16:05 GMT
- Market engagement202 days ago10 Apr 2026, 23:59 BST
Network Rail is undertaking a market engagement exercise to understand the level of interest and capacity for the manufacture and supply of Tubular Stretcher Bars (TSBs). These goods will be required to be manufactured to specified standards with product approval required.
This engagement aims to gather information from suppliers who have the technical capability, production capacity, and supply-chain readiness to support Network Rail’s ongoing requirements.
Documents attached to the market engagement provides detail around the TSBs and what is required.
During the engagement window, suppliers may submit clarification questions using the correspondence function within Bravo. All clarification responses will be issued through the portal to ensure fairness and transparency.
The Procurement Documents can be downloaded from Network Rail's BravoNR sourcing platform via this link.
networkrail.bravosolution.co.uk/web/login.html ↗
From the welcome screen, access the 'Current Opportunities' link and select:
pqq_3886 - Supply of Tubular Stretcher Bars (TSBs)
Network Rail welcomes participation from all interested suppliers, including established manufacturers, innovators and potential new entrants to the market. Responses received will inform future strategy and ensure the supply chain is well positioned for potential forthcoming opportunities.
Non participation in this market engagement will not preclude any organisation from taking part in future procurement processes. Should a formal procurement exercise be launched, Network Rail will publish a tender notice as a call for competition.
- Today30 Oct 2026
- Contract startsin 152 days1 Apr 2027, 00:00 BST
Notice history
3 events · 2 releases on Find a Tender · since 2 Jun 2025- Pipeline notice published2 Jun 2025, 15:04 BSTUK1
- Preliminary market engagement notice published27 Mar 2026, 16:05 GMTUK2
- Published value updated to £027 Mar 2026, 16:05 GMTwas £15,000,000
Commercial outcome & contract awards
Pipeline notice- Awards (0)
- No award published
- Contracts (0)
- No contract published
- Bid statistics
- No aggregate bid statistics published
Contracting authority & participating public bodies
Official documents & specifications (2)
Official links; attachments are not copiedNotices published for this procedure
- Preliminary market engagement notice Preliminary market engagement notice on Find a Tender
- Pipeline notice Pipeline notice on Find a Tender