Notify ONR

Incident notification

ONR is the enforcing authority for legislation that places a duty on specific individuals and/or organisations to notify ONR of incidents that have occurred. This includes relevant incidents associated with ONR’s purposes: nuclear safety, security, Class 7 transport, safeguards, and nuclear site health and safety. These duties, the legislation and ONR’s notification procedures are described in ONR-RIO-PROC-002 – Process for Incident Notification to ONR.

Note: Individuals and/or organisations are responsible for complying with all their legal duties when notifying incidents to ONR.

The ONR dutyholder portal is the primary method for the submission of and access to incident information by our dutyholders. Dutyholders who are unable to access the portal can submit an ONR Incident Notification Form (INF1) to ONR for any Safety, Security, Transport and Safeguards incidents via email to: onr.incidents@onr.gov.uk.

RIDDOR incident notification

Incidents on a GB nuclear site, a new nuclear build site, an authorised defence site or any other defence nuclear site that are reportable under the Reporting of Injuries, Diseases and Dangerous Occurrences Regulations (RIDDOR) 2013 should be reported via the ONR dutyholder portal. There is no requirement to sign in or register before submitting a RIDDOR report.

If the portal is unavailable, dutyholders can submit a RIDDOR notification to ONR via onr.incidents@onr.gov.uk, following the guidance provided in ONR-RIO-GD-006 – Notification Guidance for Nuclear Site Health and Safety Incidents.

Supporting guidance

Please note that ONR guidance ONR-OPEX-GD-001 – Notifying and reporting incidents and events to ONR has been withdrawn, but remains available for historical reference purposes only.

Consignment/Shipment notification for transport of class 7 dangerous goods (radioactive material)

Please refer to the ONR Transport page for guidance in relation to consignment/shipment notifications.

Safeguards notifications

Please refer to the ONR safeguards page for guidance in relation to the relevant notifications.

Provision of work related information

For work taking place on a GB nuclear site, a new nuclear build site, or an authorised site, dutyholders are expected to report or notify the following activities or information:

Asbestos notifications

Notifiable licensed work

Notifiable asbestos removal by a licensed asbestos contractor should be reported using the ASB5 online form via the HSE website withing the notifiable period.

Notifiable non-licensed work (NNLW)

Sporadic and low intensity exposure not exceeding the control limit should be notified to ONR via the HSE online notifications form.

Construction project notification

In accordance with the requirements of the Construction (Design and Management) Regulations 2015 construction projects that will:

last more than 30 days and have more than 20 workers working simultaneously at any point in the project, or
exceed 500 person days

should be notified to ONR via HSE's online system on a F10 'Notification of construction project' form.

Where limitations apply for provision through this method, the dutyholder should seek alternative agreed arrangements.

Control of Major Accident Hazards Regulations 2015 (COMAH)

Please liaise with the COMAH Intervention Manager at comah@onr.gov.uk or direct your correspondence to:

Office for Nuclear Regulation
FAO COMAH Intervention Manager
Nuclear Internal Hazards Site Safety
Redgrave Court
Merton Road
Bootle
L20 7HS

Explosives licensing

Correspondence regarding explosives licensing can be sent to ONR Technical Division or posted to:

Office for Nuclear Regulation
FAO Professional Lead
Nuclear Internal Hazards Site Safety
Redgrave Court
Merton Road
Bootle
L20 7HS

Reporting of statutory examination defects/Adverse Inspection Reports

Competent persons carrying out statutory examinations have a duty to report certain categories of defect under legislation.

The duty to report a defect is irrespective of whether that defect has been remedied following the examination equally applies to both of the following:

Lifting Operations and Lifting Equipment Regulations 1998 (LOLER)

Under LOLER, issues described by the following definition must be reported: "...a defect in the lifting equipment involving an existing or imminent risk of serious personal injury..."

Note: If the lifting equipment has been hired or leased by the employer, the HSE will be the relevant reporting authority rather than ONR and reports should be made to HSE.

Pressure Systems Safety Regulations 2000 (PSSR)

Under PSSR, issues described by the following definition must be reported: "...the pressure system or part of the pressure system will give rise to imminent danger unless certain repairs or modifications have been carried out or unless suitable changes to the operating conditions have been made."

PSSR also requires notification of any agreed postponement of an examination planned under a written scheme.

Reports and notifications for both LOLER and PSSR can be sent to ONR Technical Division or posted to: