Office for Nuclear Regulation

EDF Energy – Nuclear Generation Ltd – Hinkley Point B Planned Intervention

Executive summary

Purpose of intervention

This was a planned inspection of 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 (the nominated site inspector for Hinkley Point B) with an ONR nuclear liabilities inspector and a project inspector carried out an inspection of radioactive waste management arrangements and facilities on the site. 

I also carried out compliance inspections on licence condition 21 (commissioning) and 26 (control of operations), met with Independent Nuclear Assurance and reviewed some recent events on the site.

Explanation of Judgement if Safety System Not Judged to be Adequate

Not applicable.  No system inspections were carried out on this visit.

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

From the inspection of radioactive waste management arrangements and facilities we concluded that:

In addition:

I discussed progress with permissioning projects on the site and received a preliminary report on a recent leakage of pond water into the active effluent treatment plant basement.

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 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 Integrated Intervention Strategy, which will continue as planned.