---
title: "CAF TSSSA Class 331 rolling stock units"
ocid: "ocds-h6vhtk-04fc68"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-04fc68"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-04fc68.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-04fc68.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "NORTHERN TRAINS LIMITED"
published: "2025-06-27"
---

# CAF TSSSA Class 331 rolling stock units

Buyer: NORTHERN TRAINS LIMITED  
Current stage: Award  
OCID: ocds-h6vhtk-04fc68

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## Summary

The procurement process initiated by Northern Trains Limited involves a direct award contract for "CAF TSSSA Class 331 rolling stock units" in the context of public authority central government projects. This contract, valued at approximately £93.4 million net, is designed to secure technical support and spares supply services necessary for maintaining their fleet of Class 331 electric multiple units across several UK regions, including UKC, UKD, UKE, UKF, UKG, UKH, UKI, UKJ, and UKK. The procurement stage is documented as a contract amendment as of June 27, 2025, and follows the direct award method due to CAF Rail UK Limited's unique technical capability and proprietary knowledge as the original equipment manufacturer. The contract commenced on April 1, 2025, with services planned over a decade, concluding on April 1, 2035. 

This tender presents significant opportunities for businesses involved in railway maintenance, engineering, and spare parts supply sectors. Given the long-term nature and comprehensive service requirements, including spares management, logistics, and operational engineering support, companies that possess robust supply chain management systems and engineering expertise are well-suited to engage. The contract also allows for novation or assignment to other Train Operating Companies, offering flexibility and potential business expansions in aligning with larger industry needs. Businesses looking to leverage their involvement in public sector rail services will find this project beneficial, particularly those capable of enhancing or integrating TCMS (Train Control Management System) functionalities.

## Notice

Direct award of a contract for the provision of technical support and spares supply (TSSSA) services that will be provided in the course of the Contracting Authority's maintenance of a fleet of 12 x 4-car and 31 x 3-car Class 331 electric multiple units and associated equipment. The Service Provider will be the Supplier of all spares and consumables required for the maintenance and overhaul of the fleet. The services started on 01/04/25 and will continue for a period of 10 years. Under this agreement, the Service Provider shall provide: * the Spares Supply Services during the Maintenance Period (period from the Commencement Date to the termination or expiry of this Agreement) * the Initial Technical Support Services from the Commencement Date until the ITSS Expiry Date (01/04/2027) * the Secondary Technical Support Services from the ITSS Expiry Date until the expiry of the Maintenance Period. The Service Provider shall provide: * the Spares Supply Services at the Depot; * the Technical Support Services, Secondary Technical Support Services and Additional Services at such location as shall be necessary in the context of the services being provided at any location within the Northern Network. The Spares Supply Services include, but are not limited to: The Service Provider's responsibility for the management and delivery of all Spares to the point of delivery, including any requirements relating to delivery at the Depots, including: * establishing the levels of Spares to be held to allow the Operator to maintain the Units in revenue earning service; * the setting up of suppliers and supply chains to maintain the provision of Spares; * procuring all Spares (other than the Owner Owned Spares); * the logistics required to support the Spares supply; and * the repair, overhaul and replacement of any Spares The Service Provider will be responsible for the provision of all staff required to support the provision of the Spares, including: * procurement personnel; * logistics personnel; * supply chain managers; and any related management or supervisory staff. Under Technical Support Services the Service Provider shall provide the Operator with professional engineering and technical support and advice to support the Operator's operational requirements. The contract may be novated or assigned by Northern Trains Limited to Train Operating Companies, or to DFT Operator Limited (company number: 07141122) or any successor parent company to a Train Operating Company, following a corporate restructuring or similar circumstance. Where used throughout this notice, the meaning of Train Operating Companies includes all and any of those train operating companies who, currently or in the future, provide services for the carriage of passengers by railway: a) under a franchise agreement with the Secretary of State within the meaning of section 23(3) of the Railways Act 1993 or b) under, or secured under, the Secretary of State's duty in section 30(1) of the Railways Act 1993; or c) in accordance with legislation which supersedes or amends the powers referred to in a) and b), including where such powers are transferred from the Secretary of State to another body. The list of current providers of services for the carriage of passengers by railway under these provisions can be found at https://www.gov.uk/guidance/public-register-of-rail-passenger-contracts. This Notice replaces the previously issued notice: 2025/S 000-017764, as it contains further information on this Agreement.

### Procurement Information

CAF are the original equipment manufacturer for this type of fleet. CAF therefore have all the technical knowledge around how this train was designed and manufactured. They have the supply chain in place that covers spares and overhauls and own certain IPR and have certain know-how. As part of the supply of technical services CAF are providing support for our on-board systems including software updates and integration with the TCMS (Train Control Management System).

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/035784-2025 |
| Notice type | UK10 - Contract Change Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Direct |
| Procurement method details | Direct award |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 27 Jun 2025 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 30 Mar 2025 |
| Contract period | 26 Jun 2025 - 1 Apr 2035 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £93,414,000 |
| Contracts value | £93,414,000 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | NORTHERN TRAINS LIMITED |
| Locality | YORK |
| Post town | York |
| Postcode | YO1 6JT |
| Country | England |
| ITL 1 | TLE Yorkshire and The Humber |
| ITL 2 | TLE2 North Yorkshire |
| ITL 3 | TLE21 York |
| Local authority | York |
| Electoral ward | Micklegate |
| Westminster constituency | York Central |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | CAF RAIL |

## CPV Codes

### Divisions

- 34 - Transport equipment and auxiliary products to transportation

### Codes

- 34620000 - Rolling stock
- 34630000 - Parts of railway or tramway locomotives or rolling stock; railways traffic-control equipment

## Release History

- 27 Jun 2025 at 12:25 - ContractAmendment - UK10 - Contract Change Notice - https://www.find-tender.service.gov.uk/Notice/035784-2025
- 29 Apr 2025 at 20:43 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/017780-2025
- 29 Apr 2025 at 16:47 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/017764-2025
- 17 Apr 2025 at 17:24 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/016069-2025
- 3 Apr 2025 at 08:44 - Award - UK5 - Transparency Notice - https://www.find-tender.service.gov.uk/Notice/012684-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/035784-2025
  27th June 2025 - Contract change notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/017780-2025
  29th April 2025 - Contract details notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/017764-2025
  29th April 2025 - Contract details notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/016069-2025
  17th April 2025 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/012684-2025
  3rd April 2025 - Transparency notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/Attachment/A-2567
  This is a redacted copy of the original contract. No modifications have been made to it since the contract been let.

## Notice URLs

- https://www.gov.uk/guidance/public-register-of-rail-passenger-contracts
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-04fc68. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-04fc68.json.