---
title: "Provision of Heavy Maintenance Works"
ocid: "ocds-h6vhtk-068ce3"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-068ce3"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-068ce3.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-068ce3.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "SELLAFIELD LIMITED"
published: "2026-05-26"
---

# Provision of Heavy Maintenance Works

Buyer: SELLAFIELD LIMITED  
Current stage: Award  
OCID: ocds-h6vhtk-068ce3

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[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-068ce3.json)

## Summary

Sellafield Limited, a public authority located in Warrington, United Kingdom, is overseeing a completed procurement process titled "Provision of Heavy Maintenance Works" focused on railway-track maintenance services. This procurement falls under the services category and was conducted using a direct award method, due to the unique technical capabilities required. The contract, valued at £338,585 excluding VAT, was awarded to Trackwork Ltd, a large supplier based in Doncaster with extensive experience in railway infrastructure maintenance on nuclear sites. The contract period is set from 8 June 2026 to 31 March 2027 with a standstill period ending on 4 June 2026. The maintenance works are critical and stem from urgent remedial needs on the Sellafield Site railway.

This tender presents significant opportunities for companies specialising in railway infrastructure maintenance and services, particularly those with capabilities in high-security environments like nuclear sites. Businesses with a proven record in maintaining railway systems to regulatory standards, or those looking to expand their portfolio within the nuclear sector, could find this contract particularly beneficial. Partnerships or subcontracting opportunities with the awarded supplier, Trackwork Ltd, might open avenues for smaller enterprises to engage with large-scale projects on high-profile sites, potentially providing growth in expertise and standing within the industry.

## Notice

Provision of labour, plant and material to carry out urgent remedial repairs to the Sellafield Site railway. For further details, please refer to Transparency Notice UK-1339.

### Procurement Information

Trackwork is the only supplier with the proven technical capability and nuclear site-specific experience required to deliver these mandatory rail remedial works within the required timescales. Trackwork has maintained the Sellafield rail network to Network Rail standards and has over 25 years' experience installing, maintaining, and repairing all rail infrastructure across the Sellafield site. This depth of site-specific engineering knowledge within a complex nuclear environment is not held by any alternative supplier, making Trackwork the only technically viable provider for the required works.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/048718-2026 |
| Notice type | UK6 - Contract Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Direct |
| Procurement method details | Direct award |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 26 May 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 22 Apr 2026 |
| Contract period | 7 Jun 2026 - 31 Mar 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £338,585 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Pending |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | SELLAFIELD LIMITED |
| Locality | WARRINGTON |
| Post town | Warrington |
| Postcode | WA3 6GR |
| Country | England |
| ITL 1 | TLD North West (England) |
| ITL 2 | TLD6 Cheshire |
| ITL 3 | TLD61 Warrington |
| Local authority | Warrington |
| Electoral ward | Birchwood |
| Westminster constituency | Warrington North |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | TRACKWORK |

## CPV Codes

### Divisions

- 50 - Repair and maintenance services

### Codes

- 50225000 - Railway-track maintenance services

## Release History

- 26 May 2026 at 12:00 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/048718-2026
- 28 Apr 2026 at 13:09 - Award - UK5 - Transparency Notice - https://www.find-tender.service.gov.uk/Notice/038617-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/048718-2026
  26th May 2026 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/038617-2026
  28th April 2026 - Transparency notice on Find a Tender

## Notice URLs

- https://www.gov.uk/government/organisations/sellafield-ltd
- 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-068ce3. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-068ce3.json.