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High Speed OCS Design, Construction, Testing & Commissioning Approved Body Engagement

COLAS RAIL LIMITED

This public procurement record has 1 release in its history.

Tender

04 Jun 2026 at 07:20

Tender Notice
Summary of the contracting process

Colas Rail Limited is conducting a public procurement process for the project titled “High Speed OCS Design, Construction, Testing & Commissioning Approved Body Engagement”. This tender falls under the industry category of monitoring and control services, with additional classifications including technical inspection and testing, architectural and construction engineering, as well as railway engineering services. The procurement process is at the tender stage, with a submission deadline set for 17 June 2026, after being published on 4 June 2026. The project location encompasses the United Kingdom, British Overseas Territories, Channel Islands, Isle of Man, Europe, and the Rest of the World. The procurement involves a service contract with an estimated value ranging between £150,000 and £250,000, set to commence on 13 July 2026 and finish by 30 June 2028.

This tender presents an excellent opportunity for businesses, especially those classified as SMEs, to engage in a significant contract supporting the HS2 project. Companies specialising in interoperability constituents for rail systems, particularly those with expertise in technical inspection, testing, and railway engineering, would find this contract highly beneficial for growth and expansion. The process, which requires the procurement of an Approved Body to ensure conformity with UK standards, is ideal for firms looking to showcase their credentials in delivering sophisticated engineering and safety services. Participating businesses will operate under the terms and conditions of the Colas Rail CR2 Professional Services Agreement, including clauses pertinent to HS2 initiatives.

How relevant is this notice?

Notice Information

Notice Title

High Speed OCS Design, Construction, Testing & Commissioning Approved Body Engagement

Notice Description

Colas Rail are looking to engage with an Approved Body to support with obtaining UK declaration of conformity for its Interoperability Constituents (ICs) relating to specific elements of first principle Overhead Catenary System (OCS) design elements and to provide re-certification of the existing TSI compliant system design to NTSN in support of its OCS Design, Construction, Testing & Commissioning activities on behalf of HS2. 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 Wednesday 17 June 2026 by email to tr.procurement@colasrail.com. If you have any questions, please send them to tr.procurement@colasrail.com and we shall endeavour to respond to them at the earliest.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-3202f230-5093-461b-92ae-37e54e4a19a8
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/5e2d38d2-8b2f-4d4b-bc46-3d872b0b82e5
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
Tender Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Not Specified
Procurement Method Details
Tender Suitability
SME
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

CPV Codes

71000000 - Architectural, construction, engineering and inspection services

71311230 - Railway engineering services

71317200 - Health and safety services

71630000 - Technical inspection and testing services

71700000 - Monitoring and control services

Notice Value(s)

Tender Value
£250,000 £100K-£500K
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
4 Jun 20263 weeks ago
Submission Deadline
17 Jun 2026Expired
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
12 Jul 2026 - 30 Jun 2028 1-2 years
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Not Specified
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
COLAS RAIL LIMITED
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
LONDON
Postcode
SW1H 0EX
Post Town
South West London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI3 Inner London - West
Small Region (ITL 3)
TLI35 Westminster and City of London
Delivery Location
Not specified
Local Authority
Westminster
Electoral Ward
St James's
Westminster Constituency
Cities of London and Westminster

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

JSON Markdown

The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts. 

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