# Radiation Monitoring Network

> A sourced UK public sector contract award published by BEIS.

## Key facts

- Buyer: [BEIS](/buyers/beis/contract-awards)
- Supplier: Ultra Nuclear Limited
- Award value: £10,745,114
- Tender value: £10,745,114
- Award date: 4 July 2023
- Published: 15 August 2023
- Contract start: 1 August 2023
- Contract end: 31 January 2024
- Stage: awarded
- Procurement category: services
- Notice ID: 5d188d51-dec4-4d21-a573-1505e84538a7-672022
- OCID: ocds-b5fd17-c087ba60-e34e-4090-9b38-25dd54e708f9

## Description

This notice is for an extension to an existing awarded contract\. RIMNET \(Radioactive Incident Monitoring Network\) is a radiation monitoring and emergency response system which was installed in 1988 to monitor the consequences for the UK of radiological incidents abroad following lessons learned from the Chernobyl accident in 1986\. The system is now utilised in the UK response to all major radiological events\. The network consists of over 200 gamma dose rate monitors around the UK\. This is a novation of the contract from the Met Office to DESNZ and an extension of 6 months for the provision of operation and maintenance services, as well as the exit and transition of the current contract\. The total value for the contract since 2014 is £9,964,135\. The modified award total for the 6 month extension is £780,979\.

## Related contract awards

- [UKSBS DDaT24018 Provision of Adobe Packages](/contracts/ocds-b5fd17-39834130-ffa5-449b-acd0-0447c00f884a) — BEIS
- [Ofcom Deputy Chair Campaign](/contracts/ocds-b5fd17-c1d2f9e5-88d8-4da4-b9c4-a21cdaec6758) — BEIS
- [UNFCCC Inventory Review](/contracts/ocds-b5fd17-79987fe3-15aa-4965-b542-d37287c802f2) — BEIS
- [DDaT23421- Net Zero Tool](/contracts/ocds-b5fd17-1f7b5447-b97b-4973-a756-e91e3b55a384) — BEIS
- [QOC937 2026-08-25 \(0900\) Beccles - Bure Park Specialist Academy, Great Yarmouth \(4 seats\) - AWARD](/contracts/ocds-b5fd17-7ca10681-12f2-476e-93c5-018597ad2650) — Suffolk County Council Passenger Transport
- [EPR Delivery Partner - Benefits Realisation Services](/contracts/ocds-b5fd17-6176f4a6-96f7-4055-b1c2-7d2528a56e7b) — United Lincolnshire Teaching Hospitals NHS Trust
- [EPR Delivery Partner - Testing Delivery and Assurance Services](/contracts/ocds-b5fd17-5242b8de-ea34-40dc-930f-8c593a05e574) — United Lincolnshire Teaching Hospitals NHS Trust
- [QBH179 2026-08-25 \(0900\) Winston to Castle East School, Bungay \(4 seats\) - AWARD](/contracts/ocds-b5fd17-7e173943-0209-4866-93ea-c3e611f1b8eb) — Suffolk County Council Passenger Transport

## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/5d188d51-dec4-4d21-a573-1505e84538a7-672022)
