Office for Nuclear Regulation

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Hinkley Point B - Planned Intervention

Executive summary

Purpose of intervention

This was a planned inspection at EDF Energy Nuclear Generation Ltd's (NGL's) Hinkley Point B power station, undertaken as part of the planned intervention strategy for the Civil Nuclear Reactor Programme (CNRP) of the Office for Nuclear Regulation (ONR).

The work was carried out in line with the planned inspection programme contained in the Hinkley Point B Integrated Intervention Strategy (IIS).

Interventions Carried Out by ONR

I carried out a system inspection (reactor auxiliary cooling and pressure vessel cooling water) and compliance inspections against licence conditions 25 (operational records) and 15 (periodic review). I also reviewed the ONR issues database, met with the NGL internal regulator and held information exchange meetings with site personnel.

Explanation of Judgement if Safety System Not Judged to be Adequate

The auxiliary cooling and pressure vessel cooling water systems were judged to meet the requirements of the safety case and were adequate.

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

I carried out a system inspection of the reactor auxiliary cooling water and pressure vessel cooling water systems at Hinkley Point B power station and concluded that:

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

Conclusion of Intervention

There are no findings from this inspection that could significantly undermine nuclear safety. No actions were raised during this inspection.