---
title: "Service Contract for the Vitrification Test Rig (VTR)."
ocid: "ocds-h6vhtk-056b07"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-056b07"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-056b07.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-056b07.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED"
published: "2025-08-01"
---

# Service Contract for the Vitrification Test Rig (VTR).

Buyer: UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED  
Current stage: Award  
OCID: ocds-h6vhtk-056b07

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-056b07)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-056b07.json)

## Summary

The procurement process initiated by the UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED, involving a direct contract method, focuses on the "Service Contract for the Vitrification Test Rig (VTR)." This contract addresses the twice-yearly servicing and calibration of a Vitrification Test Rig located in Warrington, UK, under the industry category of advisory and consultative engineering services. The procurement process has reached the award stage, with the contract starting on 25th July 2025 and concluding on 30th April 2026. Relevant to central government procurement, it falls under legal framework 2023/54 and required no competitive bidding due to its below-threshold status. The contract was signed on 23rd July 2025, with Glass Technology Services Ltd selected as the supplier.

This tender provides significant opportunities for businesses specializing in engineering services, particularly those adept at equipment servicing and calibration. The engagement might benefit SMEs like Glass Technology Services Ltd, given the project's scale and requirements for modular replacements of obsolete parts and efficient handling of breakdowns. Suppliers experienced in providing advisory and consultative engineering services, especially near the Warrington area or willing to deliver swiftly within the UK, could stand to gain from participating in similar contracts, fostering business growth in the public sector procurement landscape.

## Notice

This contract will cover the twice yearly servicing and calibration of the Vitrification Test Rig kit which includes a 24 hour parts delivery service. The modular replacement of obsolete parts and any breakdowns within the period to the kit.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/045093-2025 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Direct |
| Procurement method details | Below threshold - without competition |
| Tender suitability | Not specified |
| Awardee scale | SME |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 1 Aug 2025 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 22 Jul 2025 |
| Contract period | 24 Jul 2025 - 30 Apr 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £32,660 |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | UNITED KINGDOM NATIONAL NUCLEAR LABORATORY LIMITED |
| Locality | WARRINGTON |
| Post town | Warrington |
| Postcode | WA3 6AE |
| 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 | GLASS TECHNOLOGY SERVICES |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services

### Codes

- 71318000 - Advisory and consultative engineering services

## Release History

- 1 Aug 2025 at 09:41 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/045093-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/045093-2025
  1st August 2025 - Contract details notice on Find a Tender

## Notice URLs

- http://www.uknnl.com
- 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-056b07. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-056b07.json.