Office for Nuclear Regulation

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Sellafield - Compliance inspection of LC22 and unannounced inspection of LC26

Executive summary

Purpose of Intervention

This intervention, conducted at the Licensee’s Sellafield Limited (SL) Cumbria licensed site, was undertaken as part of the 2018/19 intervention plan and the Sellafield sub-division strategy.

Interventions Carried Out by ONR

I conducted two Licence Condition compliance inspections.

A LC 22 (“Modification or experiment on existing plant”) compliance inspection, which focused on the implementation of the licensee’s arrangements to control modifications to plant, within the Sellafield Remediation Directorate and more specifically focussed on the Pile 1 complex on Sellafield Ltd’s nuclear licensed site.

An unannounced (LC) 26 (“Control and Supervision of Operations”) compliance inspection, which focused on the implementation of the licensee’s arrangements to ensure that no operations are carried out which may affect safety except under the control and supervision of suitably qualified and experienced persons appointed for that purpose by the licensee. The inspection was undertaken within the Sellafield Decommissioning Directorate and more specifically focussed on the Magnox Swarf Storage Silo on Sellafield Ltd’s nuclear licensed site.

This inspection was conducted to enable ONR to make a judgement as to the adequacy of the implementation of the licensee’s arrangements for compliance with the respective LC.

Explanation of Judgement if Safety System Not Judged to be Adequate

Not applicable.

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

LC 22 Inspection

No matters were identified as requiring immediate regulatory attention during the conduct of the compliance inspection.

I identified the following areas for improvement during the compliance inspection and these have been raised as a Regulatory Issue which will be managed as part of normal regulatory business:

LC 26 Inspection

No matters were identified as requiring immediate regulatory attention during the conduct of the compliance inspection.

Conclusion of Intervention

The LC 22 compliance inspection concluded that the licensee has adequately implemented the arrangements in place under LC 22. I therefore consider, noting the ONR guidance on inspection ratings, that an inspection rating of Green (no formal action required) is merited here.

The LC 26 compliance inspection concluded that the licensee has adequately implemented the arrangements in place under LC 26. I therefore consider, noting the ONR guidance on inspection ratings, that an inspection rating of Green (no formal action required) is merited here.