Office for Nuclear Regulation

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Planned compliance inspection

Executive summary

Purpose of intervention

I carried out planned inspections of compliance with licence condition (LC) 12 (duly authorised and other suitably qualified and experienced persons), LC 26 (control and supervision of operations), LC 22 (modification or experiment on existing plant) and LC 34 (leakage and escape of radioactive material and radioactive waste) in accordance with the 2016/17 integrated inspection strategy (IIS) for Dounreay, to provide confidence that the licensee is controlling its hazards properly and complying with its statutory obligations.

Interventions Carried Out by ONR

I inspected:

Explanation of Judgement if Safety System Not Judged to be Adequate


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

I consider that the Dounreay exotics consolidation programme has adopted a robust system for demonstrating that individuals are suitably qualified and experienced to undertake operations. Qualifications and experience can be demonstrated for all individuals and for all the specific safety-related tasks in the areas I inspected.

I am content that the direct ship and export operations are well-controlled and being carried out under the supervision of suitably qualified and experienced persons.

I am satisfied that DSRL has implemented its arrangements to divide modifications into stages, and has a robust process for controlling movement between stages. Furthermore, DSRL has in place a mechanism to prevent the start of active commissioning without ONR's consent.

I consider the arrangements in place to prevent and detect leakage and escape of material from the pond and cells in the reprocessing plant to be in accordance with our guidance, given the age of the facility.

I consider that the PFR ETP has been designed in a way that minimizes primary leakage or ensures that it is contained if it does occur, and that there are both engineered and administrative processes in place to ensure that leakage would be detected.

I did not identify any matter impacting on nuclear safety that required immediate regulatory action.