NETWORK RAIL INFRASTRUCTURE LIMITED
Insulated Rail Joints & Rail Ancillaries
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 supplier must deliver
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.
Derived from the notice text — always confirm against the original documents.
Make the case to bid
Reveal who to approach at NETWORK RAIL INFRASTRUCTURE LIMITED, and generate a go-to-market strategy from their news, accounts and people.
The full intelligence dossier
Our agent reads NETWORK RAIL INFRASTRUCTURE LIMITED’s accounts, hunts live signals, finds the people who decide — and hands you a bid strategy plus a go-to-market influence plan, including what your team should post this week. You approve every paid step.
Ask me about this tender, the buyer, who wins their work, or whether you should bid.
- OCID
- ocds-h6vhtk-065b10
- Stage
- planning · Planning
- Source
- Find a Tender
- Buyer ref
- 016487-2026
Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.
Who wins this kind of work
The suppliers and buyers around this opportunity — drawn from official award data. Drag to orbit; click a node to explore.
Top suppliers & buyers in Transport Equipment
NETWORK RAIL INFRASTRUCTURE LIMITED’s tender network
Assembling the network…