Office for Nuclear Regulation

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Urenco UK Ltd - Fire inspection

Executive summary

Purpose of Intervention

The purpose of the inspection was to ensure that the Licensee was achieving compliance with the requirements of the Regulatory Reform (Fire Safety) Order 2005. The inspection focused on both the management of fire safety and the practical fire safety provision. The legislation focuses on life safety not nuclear fire safety issues.

Generally the fire safety arrangements were adequate.

Interventions Carried Out by ONR

This Intervention forms part of a series of on-going inspections / meetings forming a key element of the assessment of fire safety across the TMF site. My inspection assessed the duty holders’ compliance with the requirements of the Regulatory Reform (Fire Safety) Order 2005. Of particular interest during this inspection were the fire safety conditions within the relevant buildings at a time when inactive commissioning is progressing. I paid particular attention to the commissioning process relating to the emergency lighting system within the B buildings.

Explanation of Judgement if Safety System Not Judged to be Adequate

Not applicable

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

Since my last inspection it is clearly evident that a significant percentage of the plant within the B building has been introduced and the C building is almost fully enclosed and is rapidly approaching completion of the physical building phase. The project continues to move towards and has commenced some, inactive commissioning. At my last inspection the fire main to the west side of the B building dry risers had been commissioned. It would appear that the emergency lighting system in the B building has entered into the commissioning phase but as yet full commissioning has not been completed or signed off.

I advised of the need for better control of flammable packaging materials during the construction phase.

As is the case at all TMF inspections I was provided with a presentation by the Jacobs Fire Engineer which provided a clear overview of the progress made since my last inspection with a particular focus on any impact on the fire safety strategy for the final design of the overall facility.

Conclusion of Intervention

I am satisfied that the continued level of focus on fire safety being demonstrated is appropriate. I have asked for clarification of the emergency lighting commissioning procedure and evidence to show that commissioning has been satisfactorily completed for the entire system. I have reiterated the need to maintain the current standards as the commissioning phase develops. I will continue to complete on-going review inspections at regular intervals, particularly as the project moves towards the commissioning phase.