Office for Nuclear Regulation

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Loch Ewe Operational Berth – Level 2 Exercise 'Highport 15'

Executive summary

Purpose of intervention

This intervention was undertaken to observe the Level 2 emergency exercise undertaken at the Loch Ewe Operational Berth, and at Police Headquarters, Inverness on 21st October 2015.  As the Enforcing Authority for Radiation (Emergency Public Preparedness and Public Information Regulations) (REPPIR), ONR observes these exercises to ensure that they are done every 3 years as required by the regulations, that all of the relevant participants take part and that lessons are learned and the plan and multi-agency arrangements are improved as a result.

Interventions Carried Out by ONR

The Level 2 exercise intervention consisted of site exercise briefs on the afternoon of the 20th October 2015 followed by observation of the exercise on the 21st October 2015. 

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

The exercise provided the opportunity to test the effectiveness of the Operator’s On-site Emergency Plan and the Highland Council Off-Site Emergency Plan, in response to a postulated Off Site Nuclear Emergency in a nuclear powered submarine.  ONR observers were located at operational, tactical and strategic locations.  At the end of the exercise I collated feedback and observations from ONR and DNSR observers on positive aspects of the exercise and on potential areas for improvement. and fed this back at the post-exercise debrief meeting, confirming that the exercise constituted a test of the plan prepared under Regulation 9(1) of the regulations and demonstrated in accordance with Regulation 10(1)(b). I also confirmed that ONR inspectors concurred with the DNSR judgement that the exercise was an adequate demonstration of the on-site emergency arrangements.    

Conclusion of Intervention

I was able to confirm that the exercise constituted a test of the plan prepared under Regulation 9(1) of the REPPIR regulations and demonstrated in accordance with Regulation 10(1)(b).

The intervention did not identify any matter impacting on nuclear or radiological safety that required immediate regulatory action.