NETWORK RAIL INFRASTRUCTURE LIMITED
Insulated Rail Joints & Rail Ancillaries
£20,000,000 — stated in the notice
This is a large award for Transport Equipment — above three-quarters of comparable contracts. Based on 15,368 valued Transport Equipment tenders in our corpus.
NETWORK RAIL INFRASTRUCTURE LIMITED publishes Transport Equipment work continuously — 48 notices, roughly one every 3 days. This is a stream to watch, not a cycle to wait for.
14% of NETWORK RAIL INFRASTRUCTURE LIMITED’s awards go to a supplier it has used before.
Which is the argument for getting on the list rather than winning this one. The incumbent is rarely the last winner — it is the roster. See the retention odds by category →
Network Rail is undertaking market research to assess the current level of industry interest, capability and capacity for the manufacture and supply of Insulated Rail Joints (IRJs) and Rail Ancillaries (Closure Rails).
These goods will be required to be manufactured to specified standards, supplied in varying lengths and configurations, and delivered to meet both planned and emergency operational requirements.
The Information Document available via Bravo provides full details of the requirement, including: • Background to the requirement and the operational context • Technical specifications for all IRJ and Closure Rail types • Applicable rail profiles, joint configurations and manufacturing processes • Anticipated monthly and annual volumes based on historic demand • Expected lead times, including short‑notice and emergency supply requirements • Compliance obligations, including relevant Network Rail standards, drawings and Product Acceptance requirements • Preferred site location considerations to support same‑day and nationwide delivery capability The following supporting documents will be made available as part of the engagement: • Network Rail Technical Specification for the Design, Assembly and Testing of Glued Insulated Rail Joints (November 2025) • Standards: – RT/CE/S/023 Insulated Rail Joints – RT/CE/S/050 Process for Cold‑Expanding New Fishbolt Holes by the Split Sleeve Method (NR/SP/TRK/050) – NR/L3/TRK/4004 Switch and Crossing Assemblies • RE/PW Drawings: – RE/PW/624 (Twisted Closure Rails) – RE/PW/549 (95RBH) – RE/PW/792 (CEN56E1) – RE/PW/979 (CEN60E2) • NR/L2/TRK/2049 Track Design Handbook Product Acceptance (PA) is required before supply may commence.
PA activities may form part of mobilisation, and the contract will not move into delivery until PA is fully approved by Network Rail.
Suppliers will be expected to support the PA process by providing the necessary technical documentation, evidence and sample materials as required.
Suppliers are invited to review the Information Document and complete the questionnaire within the PQQ.
The information gathered will help Network Rail understand current market capability, production capacity, compliance readiness and the ability to meet the supply requirements for IRJs and Closure Rails.
This market engagement is issued for information‑gathering purposes only and does not constitute a call for competition, nor does participation or non‑participation affect eligibility for any future procurement opportunity.
What the notice asks for
Network Rail is undertaking market research
Network Rail is undertaking market research to assess the current level of industry interest, capability and capacity for the manufacture and supply of Insulated Rail Joints (IRJs) and Rail Ancillaries (Closure Rails).
These goods will be required to
These goods will be required to be manufactured to specified standards, supplied in varying lengths and configurations, and delivered to meet both planned and emergency operational requirements.
Expected lead times, including short‑notice and emergency
Expected lead times, including short‑notice and emergency supply requirements.
Preferred site location considerations to support same‑day
Preferred site location considerations to support same‑day and nationwide delivery capability.
Product Acceptance (PA) is required before supply
Product Acceptance (PA) is required before supply may commence.
Sentences from the notice that state an obligation, surfaced automatically and shown in the order they appear. Not an exhaustive list — always confirm against the tender documents.
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- OCID
- ocds-h6vhtk-065b10
- Stage
- planning · Planning
- Source
- Find a Tender
- Buyer ref
- 078899-2026
Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.
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