Office for Nuclear Regulation

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Compliance Inspection and Attendance at the Site Stakeholder Meeting

Executive summary

Purpose of intervention

This report covers an inspection of Magnox Ltd's Winfrith nuclear licensed site between 19th and 21st April 2016. This inspection was undertaken as part of a programme of planned interventions as outlined in the IIS plan for 2016/17.

Interventions Carried Out by ONR

During this intervention, I carried out compliance inspections against the following licence conditions:

Whilst on site I held meetings with the licensee to discuss a number of routine matters and attended the Winfrith Site Stakeholder meeting held at The Winfrith Newburgh Village Hall.

My inspections were carried out against the requirements of ONR's published inspection guidance associated with the above Licence Conditions. The inspection comprised officebased examination of procedures and records, interviews with staff and work place inspections.

Explanation of Judgement if Safety System Not Judged to be Adequate

This intervention did not include an inspection of a safety system.

Key Findings, Inspector's Opinions and Reasons for Judgements Made

In relation to Licence Condition 7, I have found that the licensee has adequate arrangements for the notification, recording, investigation and reporting of incidents that may occur at Winfrith. I consider that the licensee has implemented its arrangements. However I have identified improvements that the licensee should make to ensure that improvement actions are closed out timely. The licensee has accepted these findings.

In relation to LC11,the licensee has written to ONR requesting approval of a revised emergency plan and this inspection has focused on the proposed arrangements. The licensee undertook an exercise to demonstrate its proposed emergency arrangements. ONR considered that the planning for the exercise was thorough, and that the scenario was proportionate to the hazards remaining on site whilst remaining challenging of the emergency arrangements. During its observations of the emergency exercise, we identified a number of good points and a number of areas for improvement.

Taking into account the exercise planning/ scenario and all the ONR team's exercise observations I considered the emergency exercise to be an adequate demonstration of the site's emergency arrangements.

The intervention was performed in line with ONR's guidance requirements (as described in our technical inspection guides) in the areas inspected.

Conclusion of Intervention

From the evidence gathered during this intervention, I conclude that there are no matters that may impact significantly on nuclear safety.