---
title: "Amendment to Design Solution Re MAST-U EBW Cooling System"
ocid: "ocds-h6vhtk-060fc2"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-060fc2"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-060fc2.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-060fc2.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "UK ATOMIC ENERGY AUTHORITY"
published: "2026-01-27"
---

# Amendment to Design Solution Re MAST-U EBW Cooling System

Buyer: UK ATOMIC ENERGY AUTHORITY  
Current stage: Award  
OCID: ocds-h6vhtk-060fc2

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[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-060fc2.json)

## Summary

The UK Atomic Energy Authority (UKAEA), a central government public authority located in Oxfordshire, has completed a procurement process concerning the "Amendment to Design Solution Re MAST-U EBW Cooling System." This process falls under the goods category, specifically involving components such as pipeline and piping systems. The direct procurement method was employed without competition, as it was below the threshold. The procurement process progressed to the award stage on 27th January 2026, with all activities expected to be concluded by 30th March 2026. The work is to be carried out in the UKJ14 region of the United Kingdom.

This tender presents opportunities primarily for businesses involved in pipeline installation and mechanical engineering services, particularly those specialising in complex cooling systems. Hydrasun Limited, a large business based in Aberdeen, has been awarded the contract, underlining an opportunity for businesses with similar capabilities in delivering specialised goods and services in the energy sector. Such tenders enable businesses to solidify their presence in government procurement sectors, fostering growth through the establishment of partnerships with major governmental entities like the UKAEA.

## Notice

Amendment to Design Solution Re MAST-U EBW Cooling System covering collector cooling water supply.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/007136-2026 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Direct |
| Procurement method details | Below threshold - without competition |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 27 Jan 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 27 Jan 2026 |
| Contract period | 27 Jan 2026 - 30 Mar 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £36,250 |

## Status

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

## 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 | HYDRASUN |

## CPV Codes

### Divisions

- 43 - Machinery for mining, quarrying, construction equipment
- 44 - Construction structures and materials; auxiliary products to construction (except electric apparatus)
- 45 - Construction work

### Codes

- 43133100 - Skid units
- 44160000 - Pipeline, piping, pipes, casing, tubing and related items
- 45231112 - Installation of pipe system

## Release History

- 27 Jan 2026 at 14:07 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/007136-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/007136-2026
  27th January 2026 - Contract details notice on Find a Tender

## Notice URLs

- https://www.gov.uk/government/organisations/uk-atomic-energy-authority
- 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-060fc2. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-060fc2.json.