Office for Nuclear Regulation

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Heysham 2 Power Station Unannounced LC26 (Control and supervision of inspections) Compliance Inspection

Executive summary

Purpose of intervention

The purpose of this intervention was to undertake an unannounced Licence Condition (LC) compliance inspection at EDF Energy Nuclear Generation Limited (NGL) Heysham 2 power station in line with the planned inspection programme contained in the Heysham 2 Integrated Intervention Strategy (IIS).

Interventions Carried Out by ONR

This unannounced intervention was undertaken during the night and consisted of a compliance inspection against the following Licence Condition (LC):

The unannounced compliance inspection utilised the following ONR guidance document:

This guidance document requires inspectors undertaking a compliance inspection against this LCs to consider both the arrangements that are in place together with their associated implementation. The inspection was based on sampling the implementation of the arrangements in place at the station against the licence condition.

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

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

For the unannounced LC26 the inspection I examined the licensee's arrangements with respect to how the Station's control and supervision of reactor 8 statutory outage activities is managed during silent hours of operations. My sampled inspection covered the following areas

During the course of the LC26 compliance inspection I observed several activities being undertaken by Heysham 2 staff, contract partners and third party contractors. From my observations and engagements with the individuals concerned. I identified one minor shortfall for work that had just been completed within reactor 8 gas circulator bravo quadrant. The working party had not been briefed on the confined space permit whilst setting to work and had not registered the entry with the Zero Harm Centre. The station took immediate action to address this minor shortfall and has shared this learning with the rest of the station.

Based on my sampled inspection, I judged that the implementation of the arrangements for LC26 met with the required standards and have rated this intervention as Green.

Conclusion of Intervention

Overall I consider that the arrangements and their associated implementation for LC26, met with the required standards, and therefore rated I have rated this as Green

There are no findings from this inspection that could significantly undermine nuclear safety and no change to the planned interventions and inspections of Heysham 2.