---
title: "5 year service contract for TSI Instruments Ltd"
ocid: "ocds-h6vhtk-04fa1d"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-04fa1d"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-04fa1d.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-04fa1d.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "SELLAFIELD LTD (WEST CUMBRIA HSE)"
published: "2025-03-28"
---

# 5 year service contract for TSI Instruments Ltd

Buyer: SELLAFIELD LTD (WEST CUMBRIA HSE)  
Current stage: Award  
OCID: ocds-h6vhtk-04fa1d

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## Summary

Sellafield Ltd (West Cumbria House) has concluded a procurement process for a five-year service contract with TSI Instruments Ltd. The contract, valued at £136,800 inclusive of VAT, involves annual servicing and calibration of two filter testers, including tasks such as changing Ion Balance Needles, performing aerosol mass concentration tests, and cleaning filter components. The procurement falls under the services category, specifically relating to air filters and other services, and is tagged as complete. Located in Workington, UK, the contract's service period runs from 1st April 2025 to 31st March 2030.

This tender provides a solid opportunity for businesses specialising in industrial instrumentation and maintenance services, particularly those experienced with air filtration systems. Companies with a strong track record in providing reliable, thorough, and ongoing maintenance services are well positioned to benefit from such contracts. As the procurement method involved direct awarding without competition, it illustrates the potential growth for businesses able to establish strong relationships with public sector buyers, especially those in sectors requiring specialised technical services.

## Notice

Carry out 12 monthly service/calibration of the two filter testers to include as a minimum a thorough check of all filter testers, changing the Ion Balance Needles, carrying out the aerosol mass concentration using gravimetric test, verification of the penetration data, cleaning the vacuum pump filters and replacing the flow line filter. This is to be done every year for the next 5 years.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/011797-2025 |
| Notice type | UK5 - Transparency Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Direct |
| Procurement method details | Below threshold - without competition |
| Tender suitability | Not specified |
| Awardee scale | Not specified |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 28 Mar 2025 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 28 Mar 2025 |
| Contract period | 31 Mar 2025 - 31 Mar 2030 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | £114,000 |
| 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 | SELLAFIELD LTD (WEST CUMBRIA HSE) |
| Locality | WORKINGTON |
| Post town | Carlisle |
| Postcode | CA14 4HB |
| Country | England |
| ITL 1 | TLD North West (England) |
| ITL 2 | TLD1 Cumbria |
| ITL 3 | TLD13 Cumberland |
| Local authority | Cumberland |
| Electoral ward | Harrington |
| Westminster constituency | Whitehaven and Workington |
| Delivery location | Not specified |

## CPV Codes

### Divisions

- 42 - Industrial machinery
- 98 - Other community, social and personal services

### Codes

- 42514310 - Air filters
- 98390000 - Other services

## Release History

- 28 Mar 2025 at 14:28 - Award - UK5 - Transparency Notice - https://www.find-tender.service.gov.uk/Notice/011797-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/011797-2025
  28th March 2025 - Transparency notice on Find a Tender

## Notice URLs

- https://www.gov.uk/government/organisations/sellafield-ltd
- 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-04fa1d. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-04fa1d.json.