---
title: "Heavy Maintenance Works"
ocid: "ocds-h6vhtk-0550c5"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0550c5"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-0550c5.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-0550c5.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "SELLAFIELD LIMITED"
published: "2025-08-01"
---

# Heavy Maintenance Works

Buyer: SELLAFIELD LIMITED  
Current stage: Award  
OCID: ocds-h6vhtk-0550c5

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0550c5)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-0550c5.json)

## Summary

This public procurement process, conducted by Sellafield Limited, involves the "Heavy Maintenance Works" for urgent remedial repairs to the Sellafield Site railway, falling under the service industry category with a focus on railway-track maintenance. The procurement was directly awarded to Trackworks Ltd due to their significant expertise and existing contractual relationship for over 25 years, ensuring technical competency for a complex nuclear site. The awarded contract covers the period from 17 July 2025 to 31 March 2026, with the contract signing date on 16 July 2025. Located in Warrington, UKD61 region, this process stems from a need for expertise specific to the Sellafield Site as per UKPGA 2023/54 legal basis. The procurement stage has reached completion, with the procurement method being a direct award, highlighting the necessity for utilising a sole supplier owing to technical reasons.

This tender presents significant opportunities for businesses with expertise in specialised maintenance services, particularly those experienced with nuclear facility requirements and railway standards. Companies with a strong background in technically demanding infrastructure projects, especially in partnership with government entities, are poised to benefit and grow through participation in similar procurement opportunities. Firms that can offer niche services, possess longstanding relationships with governmental bodies like Sellafield Limited, or can provide high-calibre skills and solutions in railway maintenance, will find such projects well-suited to their portfolios, fostering further growth and solidifying their presence in the public sector domain.

## Notice

Provision of labour, plant and material to carry out urgent remedial repairs to the Sellafield Site railway.

### Procurement Information

Trackwork have a contract with Sellafield Limited to maintain the railway across Sellafield in line with network rail standards and have worked with Sellafield for over 25 years, installing all the rail lines, working with engineers in Warrington and on the Sellafield site, so have in depth knowledge that is required for a complex nuclear site - making it the most technically competent sole supplier for the repairs required.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/045256-2025 |
| Notice type | UK7 - Contract Details 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 | 1 Aug 2025 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 20 Jun 2025 |
| Contract period | 16 Jul 2025 - 31 Mar 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £154,350 |
| Contracts value | £154,350 |

## Status

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

## 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 | TRACKWORKS |

## CPV Codes

### Divisions

- 50 - Repair and maintenance services

### Codes

- 50225000 - Railway-track maintenance services

## Release History

- 1 Aug 2025 at 13:07 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/045256-2025
- 4 Jul 2025 at 09:53 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/037339-2025
- 20 Jun 2025 at 10:36 - Award - UK5 - Transparency Notice - https://www.find-tender.service.gov.uk/Notice/034010-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/045256-2025
  1st August 2025 - Contract details notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/037339-2025
  4th July 2025 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/034010-2025
  20th June 2025 - 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-0550c5. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-0550c5.json.