---
title: "D3300 Shaft Advanced Transition Works"
ocid: "ocds-h6vhtk-05241b"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05241b"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05241b.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05241b.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "NUCLEAR RESTORATION SERVICES LIMITED"
published: "2025-05-23"
---

# D3300 Shaft Advanced Transition Works

Buyer: NUCLEAR RESTORATION SERVICES LIMITED  
Current stage: Planning  
OCID: ocds-h6vhtk-05241b

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[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-05241b.json)

## Summary

Nuclear Restoration Services Limited, a sub-central government public authority based in Warrington, United Kingdom, is involved in the planning stage of the procurement process for the "D3300 Shaft Advanced Transition Works". This project falls under the construction and civil engineering industry category, specifically focused on works for preparing the D1225 facility for future development. Located in the UKM61 region, the project is scheduled to commence on 1st August 2025 and conclude by 31st October 2026. A future notice is expected by 1st July 2025, indicating key milestones in the planning process.

This tender presents a significant opportunity for businesses involved in construction and civil engineering, specifically those skilled in managing high-risk and radiation-controlled environments. Companies specialising in these areas, particularly small and medium-sized enterprises (SMEs), will find this project aligns with their expertise and may benefit from the substantial project value of £3,780,000 (gross). With its requirements for advanced transition works and the facilitation of safe construction, businesses that can demonstrate excellence and innovation in such challenging conditions stand to gain valuable growth and partnership prospects with Nuclear Restoration Services Limited.

## Notice

The purpose of the ATW is to prepare D1225 for the future construction of the D3300 Shaft Retrieval & Processing Facility. Nuclear Restoration Services Limited (Dounreay) have a key requirement for the transition phase works to D1225 to undertake the 'higher risk' and 'radiation controlled' tasks to the existing facility that are necessary to prepare the interface with D3300 and facilitate its safe construction.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/026828-2025 |
| Notice type | UK1 - Pipeline Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 23 May 2025 |
| Submission deadline | Not specified |
| Future notice date | 1 Jul 2025 |
| Award date | Not specified |
| Contract period | 31 Jul 2025 - 31 Oct 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £3,150,000 |
| 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 | NUCLEAR RESTORATION SERVICES 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 | TLM61 Caithness and Sutherland, and Ross and Cromarty |

## CPV Codes

### Divisions

- 45 - Construction work

### Codes

- 45200000 - Works for complete or part construction and civil engineering work

## Release History

- 23 May 2025 at 14:55 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/026828-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/026828-2025
  23rd May 2025 - Pipeline notice on Find a Tender

## Notice URLs

- https://www.gov.uk/government/organisations/nuclear-restoration-services
- 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-05241b. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05241b.json.