---
title: "Lead Lithium Eutectic Alloy Mini Experimental Loop"
ocid: "ocds-h6vhtk-0648c9"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0648c9"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-0648c9.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-0648c9.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "UK ATOMIC ENERGY AUTHORITY"
published: "2026-02-05"
---

# Lead Lithium Eutectic Alloy Mini Experimental Loop

Buyer: UK ATOMIC ENERGY AUTHORITY  
Current stage: Award  
OCID: ocds-h6vhtk-0648c9

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-0648c9)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-0648c9.json)

## Summary

The UK Atomic Energy Authority, a central government public authority based in Oxfordshire, is advancing its contractual processes by awarding a contract for the "Lead Lithium Eutectic Alloy Mini Experimental Loop". The project falls under the 'services' category, with a focus on nuclear reactor components and research consultancy services, and is situated at the UK's Culham Science Centre. This contract has been offered through a direct award due to technical reasons involving the manufacture and testing of prototypes. The tender was finalised, and the contract period commenced on 5th February 2026, concluding on 31st March 2026.

This procurement opportunity primarily benefits large companies with expertise in nuclear reactor technologies and research consulting, providing a growth platform for suppliers in these sectors. With technical demands for high reliability and custom calibration, this contract appeals to suppliers capable of delivering precise and innovative engineering solutions. Companies that specialise in developing components for nuclear systems and possess a strong track record in managing complex technical projects would be well-suited to engage with this opportunity, thereby enhancing their access to governmental contracts and expanding their market presence.

## Notice

Electromagnetic Pump PMP400-270 PbLi - 550oC T.max. Flowmeter & Throttle Valve 600oC T.max - including dummy spool piece for use during build of loop and acceptance tests, prior to delivery of flowmeter (predicted early March 2026). Customised calibration included. By-pass loop including 2nd Flowmeter. We shall design using recommended maximum system failure rates per Lee Cadwallader, Idaho National Laboratory - Reliability and Maintainability Data for Lead Lithium Cooling Systems.

### Procurement Information

the manufacture and testing of prototypes

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/010424-2026 |
| Notice type | UK5 - Transparency 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 | 5 Feb 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 5 Feb 2026 |
| Contract period | 5 Feb 2026 - 31 Mar 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £291,160 |
| 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 | UK ATOMIC ENERGY AUTHORITY |
| Locality | OXFORDSHIRE |
| Post town | Oxford |
| Postcode | OX14 3DB |
| Country | England |
| ITL 1 | TLJ South East (England) |
| ITL 2 | TLJ1 Berkshire, Buckinghamshire and Oxfordshire |
| ITL 3 | TLJ14 Oxfordshire CC |
| Local authority | South Oxfordshire |
| Electoral ward | Sandford & the Wittenhams |
| Westminster constituency | Didcot and Wantage |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | TSM ENGINEERING |

## CPV Codes

### Divisions

- 42 - Industrial machinery
- 73 - Research and development services and related consultancy services

### Codes

- 42152000 - Parts of nuclear reactors
- 73210000 - Research consultancy services

## Release History

- 5 Feb 2026 at 12:10 - Award - UK5 - Transparency Notice - https://www.find-tender.service.gov.uk/Notice/010424-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/010424-2026
  5th February 2026 - Transparency notice on Find a Tender

## Notice URLs

- 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-0648c9. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-0648c9.json.