Office for Nuclear Regulation

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Heysham 2 - LC11 and LC12 Inspections - SBI16

Executive summary

Purpose of Intervention

This was a planned inspection of EDF Energy Nuclear Generation Ltd's (EDF-NGL's) Heysham 2 Power Station, undertaken as part of the planned intervention strategy for the Operating Facilities Division (OFD) of the Office for Nuclear Regulation (ONR).

The work was carried out in-line with the planned inspection programme contained in the Heysham 2 Integrated Intervention Strategy (IIS) 2017-2018.

Interventions Carried Out by ONR

I (the nominated site inspector for Heysham 2) with support from an ONR mechanical engineering inspector:

The nuclear site licence conditions are applicable provisions under the Energy Act 2013.

Explanation of Judgement if Safety System Not Judged to be Adequate

From our inspection, we judged that overall the IFD and Maintenance Cell system met the requirements of the safety case.

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

The following provides a summary of the findings and reasoning for judgments made within the above compliance inspections.

For the LC 12 (duly authorised and other suitably qualified and experienced persons) inspection - the inspection was not undertaken as the licensee had failed to make arrangements to provide individuals to participate in the inspection due to a miscommunication between individuals at the station regarding the inspection date. The site inspector stated that he would rearrange the inspection at a later date to coincide with another compliance inspection; the inspection has therefore been unrated for this intervention report.

The system based inspection, carried out on the IFD and Maintenance Cell facility covered six License Conditions (LCs). For the SBI, we 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 were no findings, from the inspections carried out, that could significantly undermine nuclear safety. An ONR Level 4 Issue (No. 5420) was raised concerning the planning and delivery of plant walk downs, which will be pursued under normal regulatory business by the nominated site inspector. At present, no additional regulatory action is required, over and above the planned interventions at Heysham 2 power station within the Integrated Intervention Strategy.