Office for Nuclear Regulation

Hinkley Point C - LC5 and LC8 intervention

Executive summary

Purpose of Intervention

In accordance with the Office for Nuclear Regulation’s (ONR) Hinkley Point C (HPC) construction inspection plan, ONR performs a series of planned compliance inspections of identified Licence Conditions (LCs) to ensure that NNB Generation Company (HPC) Ltd (NNB GenCo) is proportionately and adequately developing and implementing its licence compliance arrangements commensurate to the current stage of the project.

These planned Licence Condition inspections were carried out to asses NNB GenCo’s compliance with LC 5 (Consignment of nuclear matter) and 8 (Warning notices). The inspections were focused on the licensee’s improvement to its LC5 and LC8 arrangements made following ONR’s interventions in September 2017 and February 2018, respectively.

Interventions Carried Out by ONR

LC 5 requires the licensee to:

LC8 requires the licensee to “[…] ensure that suitable and sufficient notices are kept on the site for the purposes of informing persons thereon of each of the following matters, that is to say:

And that such notices are kept posted in such positions and in such characters as to be conveniently read by those persons.”

I carried out a one day LC compliance inspection against LC5 and LC8, utilising the following ONR Technical Inspection Guides (TIGs):

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

LC5 compliance inspection

On the basis of the evidence sampled during this inspection, I judge that:

LC8 compliance inspection

Based on the evidence sampled during this inspection, I conclude that:

I therefore recommend closure of Regulatory Issue 6167.

Conclusion of Intervention

Based on the evidence gathered during this inspection, I judge that an inspection rating of Green (No formal action) is appropriate for LC5 (Consignment of nuclear matter) and LC8 (Warning notices). This is because I found NNB GenCo to be compliant with its legal duties.