Office for Nuclear Regulation

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Intervention to determine level of compliance with the Regulatory Reform (Fire Safety) Order 2005

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.

Interventions Carried Out by ONR

This Intervention forms part of a series of on-going inspections 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 where inactive commissioning is progressing. I paid particular attention to the introduction of the fire rated doors and emergency lighting 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 construction and the introduction of plant and equipment has progressed within the C buildings. These buildings are almost fully enclosed and are rapidly approaching completion of the physical building phase. The process plant and equipment and supporting systems have commenced inactive commissioning. I was provided with confirmation that the emergency lighting system in the B building has been fully commissioned but remains under the control and management of Jacobs.

The Exova Fire Engineer confirmed that the fire strategies for each of the buildings are complete and are about to enter the process where they will be compared against the final design for each building.

A significant number of fire rated doors across the project have been identified as having locking mechanisms which will require an assessment as to their suitability in relation to means of escape.

Conclusion of Intervention

I am satisfied that the continued level of focus on fire safety being demonstrated is appropriate. I have asked for the outcome of the assessment of the inclusion of locking mechanisms on the fire rated doors to be articulated early in 2018. I have reiterated the need to maintain the current standards as commissioning progresses. I will continue to complete on-going review inspections at regular intervals, particularly as the project moves towards its active commissioning phase.