---
title: "Portable Instrument Calibration and Repair Services"
ocid: "ocds-h6vhtk-066e2c"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-066e2c"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-066e2c.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-066e2c.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "INTERNATIONAL NUCLEAR SERVICES LIMITED"
published: "2026-06-24"
---

# Portable Instrument Calibration and Repair Services

Buyer: INTERNATIONAL NUCLEAR SERVICES LIMITED  
Current stage: Award  
OCID: ocds-h6vhtk-066e2c

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## Summary

International Nuclear Services Limited, a sub-central government public authority based in Warrington, has completed the procurement process for Portable Instrument Calibration and Repair Services. The process was initiated for the maintenance and repair of handheld portable radiation monitoring equipment, essential for operations at Barrow Marine terminal and other transport-related monitoring. This service is vital for monitoring equipment used on ships and rail wagons carrying radioactive or nuclear packages. The procurement method was an open competition conducted under the UKPGA 2023/54 legal framework with a main procurement category of services. Following the tender stage which concluded with the standstill period on 20th May 2026, High Technology Sources Ltd (HTSL) was awarded the contract. The active contract commenced on 22nd June 2026 and extends through to 10th June 2028, with an option for renewal structured as 2 plus 2 plus 2 years. The total contract value is set at £96,000 with a gross amount of £80,000.

This procurement offers significant growth opportunities for businesses specialising in calibration services, particularly those capable of servicing portable radiation monitoring equipment. Businesses with capabilities in this niche yet critical industry can leverage such contracts to expand their portfolio in the nuclear transport solutions sector. With a large-scale operation, HTSL's engagement highlights the scope for businesses equipped with the necessary expertise and operational capacity to secure similar opportunities. New entrants and established players could benefit from understanding the tender requirements and preparing comprehensive proposals that meet the technical specifications and compliance standards set by such high-value contracts in this sector.

## Notice

Provision of calibration and repair services for handheld portable radiation monitoring equipment which is kept at Barrow Marine terminal. Required for the ships when carrying any radioactive/ nuclear packages. Required for monitoring railwagons, flasks etc as part of the process when transporting anything that could possibly receive contamination. a set of instruments for the Emergency response team kept at Hinton House.

### Lot Information

Lot 1

Renewal: 6 years contract (2+ 2+ 2 basis)

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/059302-2026 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Below threshold - open competition |
| Tender suitability | SME |
| Awardee scale | Large |
| All stages | Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 24 Jun 2026 |
| Submission deadline | 31 Mar 2026 |
| Future notice date | Not specified |
| Award date | 11 May 2026 |
| Contract period | 21 Jun 2026 - 10 Jun 2028 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £80,000 |
| Lots value | £80,000 |
| Awards value | £80,000 |
| Contracts value | £80,000 |

## Status

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

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | INTERNATIONAL NUCLEAR 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 | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | HIGH TECHNOLOGY SOURCES LTD (HTSL |

## CPV Codes

### Divisions

- 50 - Repair and maintenance services

### Codes

- 50433000 - Calibration services

## Release History

- 24 Jun 2026 at 10:10 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/059302-2026
- 13 May 2026 at 09:44 - AwardUpdate - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/043767-2026
- 13 May 2026 at 09:36 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/043766-2026
- 18 Mar 2026 at 17:15 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/024852-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/059302-2026
  24th June 2026 - Contract details notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/043767-2026
  13th May 2026 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/043766-2026
  13th May 2026 - Contract award notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/024852-2026
  18th March 2026 - Tender notice on Find a Tender

## Notice URLs

- https://atamis-2464.my.site.com/s/Welcome
- https://www.legislation.gov.uk/ukpga/2023/54/contents
- https://www.nucleartransportsolutions.com

## 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-066e2c. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-066e2c.json.
