---
title: "Prototype Fast Reactor Ventilation Upgrades"
ocid: "ocds-h6vhtk-06712e"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06712e"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06712e.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06712e.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "NUCLEAR RESTORATION SERVICES LIMITED"
published: "2026-05-22"
---

# Prototype Fast Reactor Ventilation Upgrades

Buyer: NUCLEAR RESTORATION SERVICES LIMITED  
Current stage: Planning  
OCID: ocds-h6vhtk-06712e

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## Summary

The procurement process for the Prototype Fast Reactor Ventilation Upgrades, managed by Nuclear Restoration Services Limited, is currently in the planning stage. This project focuses on the procurement, manufacture, installation, and commissioning of ventilation systems at the Dounreay nuclear site, located in the UK. Notable upcoming dates include a preliminary market engagement session on 24th June 2026 from 14:00 to 15:00, for which interest must be registered by 17th June 2026. The procurement falls under the works category and uses the open procedure as its method, targeting a budget amount of £15,000,000 gross. The contract is expected to commence on 13th December 2027 and complete by 13th September 2030.

This tender offers substantial business growth opportunities, particularly for SMEs in the mechanical engineering installation sector. With a significant budget and the potential for contract renewal, companies specialising in sophisticated engineering solutions and having experience in large-scale infrastructure projects should consider competing. Participating in the virtual engagement session could provide valuable insights and networking opportunities, enabling businesses to align better with the project's objectives and requirements.

## Notice

Procurement, Manufacture, Installation and Commissioning for Prototype Fast Reactor facility Ventilation Upgrade

### Planning Information

Dounreay is holding a virtual preliminary market engagement session to raise awareness of and seek the supply chain's views on an upcoming tender for the Dounreay nuclear site on Wednesday 24 June from 14:00 to 15:00.
If you would like to attend this session, please express your interest by emailing: commercial.services@dounreay.nrservices.uk by Wednesday 17 June.
The email subject heading should be: PFR ventilation upgrade project and you must provide the contact details of the person who wishes to attend along with the name of the company they represent. A "Teams" invitation will be sent out for attendance at the event

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/047874-2026 |
| Notice type | UK2 - Preliminary Market Engagement Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Open |
| Procurement method details | Open procedure |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 22 May 2026 |
| Submission deadline | Not specified |
| Future notice date | 27 Jan 2027 |
| Award date | Not specified |
| Contract period | 13 Dec 2027 - 13 Sep 2030 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £12,500,000 |
| 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 | TLM6 Highlands and Islands |

## CPV Codes

### Divisions

- 45 - Construction work

### Codes

- 45351000 - Mechanical engineering installation works

## Release History

- 22 May 2026 at 12:26 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/047874-2026
- 23 Mar 2026 at 11:25 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/026167-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/047874-2026
  22nd May 2026 - Preliminary market engagement notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/026167-2026
  23rd March 2026 - 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-06712e. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06712e.json.