Source: https://tendernation.io/opportunities/01a13d21-17e5-72a1-a5f8-a18b1f16d28d/hs2-ocs-technical-specification-certification-of-the-uk-wiring-consist closed GB negotiated without publication procedure Suitable for SMEs # HS2 OCS - Technical Specification & Certification of the UK Wiring Consist [Bip Solutions Limited](https://tendernation.io/buyers/bip-solutions-limited) Estimated value £5,000 to £15,000 Published 1 Jul 2026 Deadline Closed 14 Jul 2026 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Small contract value Valued under £135,018 including VAT, the lowest Procurement Act threshold for goods and services. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender Colas Rail UK intends to procure and operate a Wiring Consist for the installation of contact and catenary wire. ### The Consist comprises of two powered modules Wiring Module a self propelled rail vehicle equipped with a four cable wiring module and two capstans. Stringing platform a self propelled vehicle equipped with an elevating/rotating platform and one wire positioning unit. Colas Rail requires specialist technical support from a suitably competent organisation to Assess and recommend the most appropriate operational and certification strategy for the Wiring Consist. Identify the applicable UK legislative, standards, compliance and acceptance requirements. Support the development of a technical specification suitable for procurement and tendering to manufacturers. Support the definition of the certification and acceptance process for the selected solution. Provide technical support during manufacturer engagement and subsequent certification activities, as required. Additional information: The services shall be delivered in accordance with Colas Rail CR2 Professional Services Agreement Terms & Conditions, including applicable HS2-specific provisions; copies will be issued to shortlisted suppliers. Suppliers to submit their tender proposal by the tender deadline of Thursday 23 July 2026 by email to . If you have any questions, please send them to and we shall endeavour to respond to them at the earliest. Read full description ## CPV classification Architectural, construction, engineering and inspection services Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/b8cbdb37-cd37-4f87-ba2b-9a877091b628) 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. [Track tenders free](https://tendernation.io/register) [Buyer profile Bip Solutions Limited: past awards and live tenders](https://tendernation.io/buyers/bip-solutions-limited) [Sector More Architecture, engineering & surveying tenders](https://tendernation.io/sectors/architecture-engineering-surveying) ## More tenders like this [Architectural, design and building consultancy services - Dalby Visitor Centre · Forestry Commission · 25 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15552-1b8a-7041-80fb-e4943876fc38/architectural-design-and-building-consultancy-services-dalby-visitor-centre) [Asbestos Management Framework · Home Group · 25 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15476-5fff-736e-ae2e-0c8a400c7297/asbestos-management-framework) [Infrastructure works consultancy services – Contrôle extérieur des chaussées · Collectivité européenne d Alsace · 29 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a15183-1730-733b-8247-a32bbbe2211c/france-infrastructure-works-consultancy-services-controle-exterieur-des-chau) [Architectural, construction, engineering and inspection services – Būvprojekta izstrāde un autoruzraudzība fasādes siltināšanai kārtās Dzirciema ielā 16, Rīgā – 1.kārta, C korpuss · Rīgas Stradiņa universitāte · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-3915-73d1-83e6-c378f9f7a926/latvia-architectural-construction-engineering-and-inspection-services-buvp) [Technical assistance services – Suivi et gestion de chantiers de réhabilitation de sites pollués · SPAQuE · 15 days left · 3 Nov 2026](https://tendernation.io/opportunities/01a15183-155e-73c2-a593-9e17375422ac/belgium-technical-assistance-services-suivi-et-gestion-de-chantiers-de-rehab) [Architectural, construction, engineering and inspection services – Single Party Framework Agreement for Architect Led Integrated Design Team Services for Fire Safety Remediation Works for Dublin City Council · Dublin City Council · 5 days left · 23 Oct 2026](https://tendernation.io/opportunities/01a15183-0a15-7156-849b-5a223dd6d615/ireland-architectural-construction-engineering-and-inspection-services-sin)