Tender for Radiation Monitoring Network

The contract will be for the operation, maintenance and eventual replacement of the current network.

Radiation Monitoring Network

Contract summary



    • Nuclear safety equipment – 35113210
    • Repair and maintenance services of security and defence materials – 50600000
    • Installation services (except software) – 51000000

Location of contract


Value of contract

£14,000,000 to £17,000,000

Procurement reference


Published date

9 September 2022

Closing date

24 October 2022

Closing time


Contract start date

1 August 2023

Contract end date

31 July 2028

Contract type

Service contract

Procedure type

Restricted procedure (above threshold)

Contract is suitable for SMEs?


Contract is suitable for VCSEs?




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. The contract will be for the operation, maintenance and eventual replacement of the current network, as well as the supply of new monitors to enhance the current technology. The contract will be for a period of 5 years + up to 2 extension years.

This procurement will take the form of a Restricted Procedure under the Defence and Security Public Contracts Regulations (DSPCR) 2011. If you wish to participate and view the Invitation to Tender documents, please register on Jaggaer and agree to the terms and conditions of the Mutual Non-Disclosure Agreement. Following this, please read the High Level Instructions to Tender attached and respond to the Pre-Qualification Questionnaire by 12 noon on the 10th October 2022. Bidders who pass the pre-qualification stage will be notified and sent the tender documents.


How to apply


Follow the instructions given in the description or the more information section.


About the buyer



1 Victoria Street