Office for Nuclear Regulation

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Planned inspection at AWE Aldermaston

Executive summary

Purpose of intervention

This report covers planned inspections at the AWE Aldermaston Licensed Site and is undertaken in accordance with ONR’s Integrated Intervention Strategy (IIS) for the Atomic Weapons Establishment Programme.

The inspections undertaken at the Aldermaston Licensed Site form part of a series of planned interventions in accordance with the IIS and Integrated Intervention Plan (IIP). The purpose of the intervention was to undertake a LC25 inspection as planned in the weapons inspection plan.

Interventions Carried Out by ONR

Licence conditions are inspected against ONR’s published guidance requirements, as described in the technical inspection guides, which can be found at Office for Nuclear Regulation (ONR) Compliance inspection - Technical inspection guides.

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

ONR conducted a planned inspection and assessment of implementation of the Licence Condition (LC) 25, Operational records. During this intervention I met with the licensees personnel and inspected their arrangements for compliance with LC 25 within a waste facility.

Explanation of Judgement if Safety System Not Judged to be Adequate

This was not a system based inspection.

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

I met with the licensee’s personnel and inspected the arrangements and their implementation in the waste area. I was content with what I saw and considered compliance was adequate.

Conclusion of Intervention

Based upon the evidence I sampled during the inspection I judged that there was no need for regulatory action and a rating of green was appropriate.