---
title: "Train Services Agreement (TSA) and Technical Support and Spares Supply Agreement (TSSSA)"
ocid: "ocds-r6ebe6-0000824922"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-r6ebe6-0000824922"
markdown_url: "https://d3tenders.com/contract/ocds-r6ebe6-0000824922.md"
json_url: "https://d3tenders.com/contract/ocds-r6ebe6-0000824922.json"
source: "Public Contracts Scotland"
current_stage: "Planning"
buyer: "CALEDONIAN SLEEPER LIMITED"
published: "2026-03-18"
---

# Train Services Agreement (TSA) and Technical Support and Spares Supply Agreement (TSSSA)

Buyer: CALEDONIAN SLEEPER LIMITED  
Current stage: Planning  
OCID: ocds-r6ebe6-0000824922

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## Summary

Caledonian Sleeper Limited is in the planning stage for its Train Services Agreement (TSA) and Technical Support and Spares Supply Agreement (TSSSA), aimed at renewing the services for the Mk5 coach fleet comprising 75 vehicles. The procurement, classified under railway services, is expected to foster supplier engagement, innovation, and value for money, with potential approval from Scottish Rail Holdings and Transport Scotland. Located in Inverness, UK, the process is currently in a pre-procurement market engagement phase, featuring a detailed tender strategy guided by the responses to a Market Engagement Questionnaire. Interested businesses have until 7th April 2026 to indicate their interest, after which the formal procurement is anticipated to commence on 27th November 2026.

This tender presents substantial opportunities for businesses specialising in railway systems and related services, allowing for growth through collaboration with Caledonian Sleeper Limited. Suitable contenders would include firms experienced in railway maintenance, cleaning and presentation, heavy maintenance, spares provision, and technical support. The procurement offers the flexibility of awarding contracts for various lots either separately or combined, based on market engagement outcomes. With an estimated contract value of £60,000,000, this is a significant prospect for those capable of delivering high-quality services aligned with CSL's operational standards and innovation goals, ensuring an optimal fit for enterprises looking to expand in the UK's rail industry.

## Notice

Caledonian Sleeper Limited (CSL) intends to undertake a pre-procurement market engagement exercise to inform the renewal of the services provided under the Train Services Agreement (TSA) and Technical Support and Spares Supply Agreement (TSSSA) for the Mk5 coach fleet (75 vehicles). The engagement will help CSL identify optimal packaging of services to maximise supplier participation, value for money and innovation. Any subsequent procurement will be subject to approvals from Scottish Rail Holdings (SRH) and Transport Scotland (TS) on behalf of the Scottish Ministers.

### Lot Information

Preventative & Corrective Maintenance

Delivery of preventative and corrective maintenance for the Mk5 fleet Management of daily servicing, fault finding and fault resolution in service Maintenance and resource planning with defect tracking in line with CSL processes Quality assurance, document control and safety management certification in line with CSL Safety Management System Collaboration and integration with all relevant CSL Supply Partners. CSL reserves the right to procure these lots separately or in combination, depending on feedback from the Market Engagement Questionnaire (MEQ) and strategic approval from SRH and TS.

Train Cleaning & Presentation

Provision and delivery of interior and exterior cleaning of the Mk5 coaches to defined CSL requirements and standards Management of on-board presentation ensuring high standards met across Implementation of quality control and audit processes to measure KPI performance Collaboration and integration with all relevant CSL Supply Partners. CSL reserves the right to procure these lots separately or in combination, depending on feedback from the Market Engagement Questionnaire (MEQ) and strategic approval from SRH and TS.

Overhaul and heavy maintenance

Delivery of periodic planned heavy maintenance for the Mk5 coaches Management of major system overhauls e.g. HVAC, wheelsets, bogies, brakes, toilets in line with OEM specification and safety standards Responsible for compliance, documentation, testing and certification Provision of required and up-to-standard facilities required for delivery of any overhaul and heavy maintenance requirements Collaboration and integration with all relevant CSL Supply Partners. CSL reserves the right to procure these lots separately or in combination, depending on feedback from the Market Engagement Questionnaire (MEQ) and strategic approval from SRH and TS.

Preventative & Corrective Spares

Provision of spares and consumables required to support both preventive and corrective maintenance for the Mk5 fleet. Management of inventory levels, MSQ and re-order points to maintain optimal stock levels across maintenance and operational locations. Management and coordination of component repair, overhaul and obsolescence with approved OEM and supply chain partners. Collaboration and integration with all relevant CSL Supply Partners. CSL reserves the right to procure these lots separately or in combination, depending on feedback from the Market Engagement Questionnaire (MEQ) and strategic approval from SRH and TS.

Technical Support

Provide technical support framework to support CSL including; Maintenance documentation and optimization Specialist design and engineering expertise 2nd/3rd party approvals Risk management support Reliability improvements Collaboration with all relevant CSL Supply Partners. CSL reserves the right to procure these lots separately or in combination, depending on feedback from the Market Engagement Questionnaire (MEQ) and strategic approval from SRH and TS.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Public Contracts Scotland |
| Latest notice | https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAR551938 |
| Notice type | OJEU - F4 - Prior Information Notice (Utilities) |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 18 Mar 2026 |
| Submission deadline | Not specified |
| Future notice date | 27 Nov 2026 |
| Award date | Not specified |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £60,000,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Planned |
| Lots status | Planned |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | CALEDONIAN SLEEPER LIMITED |
| Locality | INVERNESS |
| Post town | Inverness |
| Postcode | IV1 1PP |
| Country | Scotland |
| ITL 1 | TLM Scotland |
| ITL 2 | TLM2 Highlands and Islands |
| ITL 3 | TLM20 Highlands and Islands |
| Local authority | Highland |
| Electoral ward | Inverness Central |
| Westminster constituency | Inverness, Skye and West Ross-shire |
| Delivery location | Not specified |

## CPV Codes

### Divisions

- 50 - Repair and maintenance services

### Codes

- 50222000 - Repair and maintenance services of rolling stock

## Release History

- 18 Mar 2026 at 00:00 - Planning - OJEU - F4 - Prior Information Notice (Utilities) - https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAR551938

## Documents

- https://www.publiccontractsscotland.gov.uk/NoticeDownload/DownloadDocument.aspx?id=MAR551938&idx=1
  18th March 2026 - Tender Brief
- https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAR551938
  Train Services Agreement (TSA) and Technical Support and Spares Supply Agreement (TSSSA) - Caledonian Sleeper Limited (CSL) intends to undertake a pre-procurement market engagement exercise to inform the renewal of the services provided under the Train Services Agreement (TSA) and Technical Support and Spares Supply Agreement (TSSSA) for the Mk5 coach fleet (75 vehicles). The engagement will help CSL identify optimal packaging of services to maximise supplier participation, value for money and innovation. Any subsequent procurement will be subject to approvals from Scottish Rail Holdings (SRH) and Transport Scotland (TS) on behalf of the Scottish Ministers.

## Notice URLs

- http://
- http://www.publiccontractsscotland.gov.uk/Search/Search_Switch.aspx?ID=824922
- http://www.sleeper.scot
- https://api.publiccontractsscotland.gov.uk/v1/Notice?id=ocds-r6ebe6-0000824922

## 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-r6ebe6-0000824922. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-r6ebe6-0000824922.json.