Executive summary
Date(s) of inspection:
August 2025
Aim of inspection
The purpose of this out of hours unannounced inspection at Heysham 1 was to gain assurance that work out of hours is being managed effectively. On this occasion I focused on handovers of shifts out of hours.
Subject(s) of inspection
- LC23 - Operating rules - Rating: Not rated
- LC26 - Control and supervision of operations - Rating: Green
Key findings, inspector's opinions and reasons for judgement made
The inspection examined the conduct of operations during the reactor 1 refuelling outage, in particular shift handovers.
The inspection was carried out jointly by ONR with planning support from the station INA. The inspection was unannounced and took place out-of-hours. I inspected against two relevant licence conditions, (LC 23 operating rules and LC 26 control and supervision of operations). The inspection included discussions with key personnel and sampling documents and records.
Overall, the site's arrangements and their implementation where found to be in line with regulatory expectations with respect to safety.
Conclusion
In my opinion, from the areas sampled, I have rated LC26 green (no further action).