Office for Nuclear Regulation

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Heysham 2 Unit 8 Statutory Outage LC18 / IRR Radiological Protection

Executive summary

Purpose of Intervention

I carried out this intervention in my capacity as the Radiological Protection inspector for Operating Reactors.

Relevant ONR guidance was used during the inspection, in particular, Nuclear Safety Technical Inspection Guide, NS-INSP-GD-054 Revision 6 (the Ionising Radiations Regulations 2017).

Explanation of Judgement if Safety System Not Judged to be Adequate

No safety system inspection was undertaken, hence this is not applicable.

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

My inspection did not reveal any significant nuclear safety issues that required action by the Licensee or follow-up by ONR. In my judgement and from a radiological protection standpoint, the Station is conducting its outage to a sufficient standard of risk management and dose restriction, and in accordance with its outage plan in this regard.

I identified two matters that I informed the station staff that I would follow up:

Conclusion of Intervention

From a radiological protection standpoint, I was content with the way in which the Licensee was conducting its statutory outage work programme and, accordingly, I am of the opinion that there is no evidence to preclude bringing reactor Unit 8 back to power in due course.

At the time of writing this report, there were no specific recommendations that I needed to make relating to ONR’s granting consent under licence condition 30 of the Licensee’s nuclear site licence, allowing the Licensee to return reactor Unit 8 to power in due course. I have therefore assigned an IIS rating of Green.