---
title: "In-Service Support for SIRS, TREMS and DIREMS"
ocid: "ocds-h6vhtk-040bb3"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-040bb3"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-040bb3.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-040bb3.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "MINISTRY OF DEFENCE"
published: "2023-10-13"
---

# In-Service Support for SIRS, TREMS and DIREMS

Buyer: MINISTRY OF DEFENCE  
Current stage: Award  
OCID: ocds-h6vhtk-040bb3

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## Summary

The Ministry of Defence, through the Defence Equipment and Support (DE&S) organisation, has awarded a contract to Ultra Nuclear Ltd for "In-Service Support for SIRS, TREMS, and DIREMS" in the industry category of repair and maintenance services of military electronic systems. The contract is valued at £9,000,000 and has been signed on 6th September 2023. The procurement method used was limited and negotiated without publication of a contract notice, due to technical reasons. The contract covers the provision of In-Service Support, including a technical upgrade programme for naval radiation monitoring systems, with optional additional years available.

This contracting opportunity with the Ministry of Defence offers business growth potential, particularly for companies specialising in repair and maintenance services of military electronic systems. Businesses with expertise in supplying and supporting complex defence equipment may find this contract well-suited for competition. The unique technical requirements of this tender necessitated the award without prior publication, citing Ultra Nuclear Ltd as the sole supplier capable of meeting the specialised operational needs and safety regulations to maintain fleet operations effectively.

## Notice

The Chemical, Biological, Radiological and Nuclear (CBRN) team, part of the Defence Equipment and Support (DE&S) organisation within the UK Ministry of Defence (MOD), intends to place a replacement 8-year contract (with 2x Option Years) with Ultra Nuclear Ltd as the incumbent and Operating Equipment Manufacturer (OEM). This will maintain the operational capability until the Out of Service Date of April 2032 with additional Options Years if required. The new contract will ensure the provision of In-Service Support including a technical upgrade / obsolescence mitigation programme which is required on all systems to the Naval Fleet Radiation Monitoring Capability. This comprises of Ship Installed Radiac Systems (SIRS2), Transportable Radiological Emergency Monitoring Systems (TREMS) and Dockside Installed Radiological Emergency Monitoring Systems (DIREMS).

### Lot Information

Lot 1

The new contract will ensure the provision of In-Service Support including a technical upgrade / obsolescence mitigation programme which is required on all systems to the Naval Fleet Radiation Monitoring Capability. This comprises of Ship Installed Radiac Systems (SIRS2), Transportable Radiological Emergency Monitoring Systems (TREMS) and Dockside Installed Radiological Emergency Monitoring Systems (DIREMS).

Options: 2 additional years are optional

### Procurement Information

It is considered that the award of this contract without prior publication of a contract notice in the UK e-notification service (as required by the relevant legislation) is lawful in accordance with Regulation 16(1)(a)(ii) of the Defence and Security Public Contract Regulations 2011 (as amended) for Technical Reasons. Ultra Nuclear Ltd as the OEM has the bespoke technical know-how, technical expertise, equipment, and tooling required to perform the services and ensure the continued operational capability of the SIRS 2, TREMS and DIREMS systems. Ultra Nuclear Ltd is the only Supplier with the required customised facilities and testing capabilities that are compliant with the relevant UK safety regulations to ensure fleet operations are maintained.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/030224-2023 |
| Notice type | Award Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Limited |
| Procurement method details | Negotiated without publication of a contract notice |
| Tender suitability | Not specified |
| Awardee scale | SME |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 13 Oct 2023 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 5 Sep 2023 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £9,000,000 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Not specified |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | MINISTRY OF DEFENCE |
| Locality | BRISTOL |
| Post town | Not specified |
| Postcode | N/A |
| Country | Not specified |
| ITL 1 | Not specified |
| ITL 2 | Not specified |
| ITL 3 | Not specified |
| Local authority | Not specified |
| Electoral ward | Not specified |
| Westminster constituency | Not specified |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | ULTRA NUCLEAR |

## CPV Codes

### Divisions

- 50 - Repair and maintenance services

### Codes

- 50660000 - Repair and maintenance services of military electronic systems

## Release History

- 13 Oct 2023 at 10:16 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/030224-2023

## Notice URLs

- https://des.mod.uk

## 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-040bb3. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-040bb3.json.