Office for Nuclear Regulation

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Dounreay Planned compliance inspection

Executive summary

Purpose of Intervention

The purpose of this intervention was to undertake a planned licence condition (LC) compliance inspection at Dounreay Site Restoration Limited (DSRL) in accordance with the 2017/18 Integrated Intervention Strategy (IIS) for Dounreay to confirm that the licensee is controlling its hazards and complying with its statutory obligations.

Interventions Carried Out by ONR

The ONR site inspectors and a radiation protection specialist inspector observed the Level 1 safety and security demonstration exercise, Delta 53.

The radiation protection specialist inspector carried out an inspection of compliance with IRR99 within the fuels directorate.

Explanation of Judgement if Safety System Not Judged to be Adequate

N/A

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

The assessment team considered Delta 53 to be an adequate demonstration of the site’s emergency arrangements, but areas for improvement were identified, in particular relating to the integration of operations in the site emergency control centre and the police control room. Our findings will be confirmed in a letter to DSRL.

The radiation protection specialist inspector noted the good standard of dose assessment and radiation protection advice now being, generated and the knowledge of those spoken to during the intervention. He is confident that DSRL have made sound arguments covering, providing optimised solutions as the work progresses to minimise operator doses.

Conclusion of Intervention

Overall, we consider that DSRL met the required standard in the areas inspected.  We did not identify any matter impacting on nuclear safety that required immediate regulatory action.