Office for Nuclear Regulation

Licence condition 7 compliance inspection

Executive summary

Purpose of Intervention

This was a planned inspection of EDF Energy Nuclear Generation Ltd.’s (NGL’s) Heysham 1 Power Station, undertaken as part of the intervention strategy for the Operating Facilities Division (OFD) of the Office for Nuclear Regulation (ONR).

The work was carried out in accord with the planned inspection programme contained in the Heysham 1 Integrated Intervention Strategy (IIS) for 2019/20.

Interventions Carried Out by ONR

As part of this intervention I, the Specialist Human Factors Inspector, in conjunction with the Nominated Site Inspector, carried out a planned inspection against:

The purpose of LC7 is to ensure that incidents on the site are notified, recorded, investigated and reported by the licensee.

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

Whilst at site, I also took the opportunity to review the licensee’s progress with the closure of regulatory issues.

Explanation of Judgement if Safety System Not Judged to be Adequate

No system based inspection was undertaken; therefore this is not applicable for this intervention.

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

The inspection sampled the adequacy of EDF Energy arrangements in the areas of event screening, categorisation, investigation and trending and I found that these correctly corresponded with the requirements for compliance with LC7.

The inspection also sampled the implementation of EDF Energy arrangements by inspecting a Corrective Action Review Board meeting and a Daily Screening Meeting.  One minor regulatory issue was created associated with how the licensee trend operational experience information however overall I judged that EDF Energy adequately demonstrate compliance with the requirements of LC7 and therefore rated this inspection as Green, no formal action.

I was content that the licensee was adequately progressing the closure of regulatory issues.

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 at Heysham 1 Power Station as set out in the Integrated Intervention Strategy, which will continue as planned.