Office for Nuclear Regulation

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Hinkley Point B - LC5 and LC18 Inspections

Executive summary

Purpose of Intervention

The purpose of this intervention was to undertake licence condition (LC) compliance inspections of EDF Energy Nuclear Generation Ltd.’s (NGL’s) Hinkley Point B Power Station. This was undertaken as part of the planned intervention strategy for the Operating Facilities Division (OFD) of the Office for Nuclear Regulation (ONR).

The intervention was carried out by the nominated site inspector.

Interventions Carried Out by ONR

I, the nominated site inspector performed an inspection to evaluate NGL’s compliance with the following nuclear site licence conditions (LCs), which are applicable provisions of the Energy Act 2013:

Whilst on site, I also undertook the following engagement activities with the licensee;

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

Explanation of Judgement if Safety System Not Judged to be Adequate

Not applicable – no system based inspections were completed during this intervention.

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

For LC5, I sampled the licensee’s arrangements for Radioactive Material Transport and for Fuel Transport. I also sampled the records generated during Radioactive Material Transport and Fuel Transport off site. I am satisfied that the licensee arrangements and their implementation are in compliance with the requirements of LC5. A few minor observations were fed back to the licensee to consider. No formal actions were considered necessary. I am satisfied that an IIS rating of green against LC5 is merited.

For LC18, I sampled the licensee’s arrangements for dose assessment and classification of groups. I also sampled the records of the average dose assessment for the classes of people described in the licensee’s arrangements. I am satisfied that the licensee arrangements and their implementation are in compliance with LC18 requirements. A few minor observations were fed back to the licensee to consider. No formal actions were considered necessary. I am satisfied that an IIS rating of green against LC12 is merited. 

Conclusion of Intervention

There were no findings from this inspection that could significantly undermine nuclear safety.  At present, no additional regulatory action is needed over and above the planned interventions of Hinkley Point B power station as set out in the IIS, which will continue as planned.