Office for Nuclear Regulation

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Ionising Radiations Regulations (IRR99) inspection

Executive summary

Purpose of intervention

In accordance with ONR plans this inspection was undertaken on the Devonport Royal Dockyard Ltd (DRDL) site to examine site’s arrangements made to comply with the Ionising Radiations Regulations (IRR99); it was carried out by a radiological protection specialist inspector.

The intervention was conducted on the licensed nuclear site and consisted of meetings with site personnel and a plant inspection visit to the Nuclear Utilities Building (NUB) in the Submarine Refit Complex (SRC)

Explanation of Judgement if Safety System Not Judged to be Adequate

No System/Structure Based Inspection was carried out.

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

DRDL’s operations in radiation protection are consistent with examples of relevant good practice in the following areas;

Radiological Safety Compliance Assurance audits being carried out identified many of the same areas for improvement as identified in this report

The improved radiological work control permit (RWCP) package ensured a review of Radiological Risk Assessments and triggered a review of RWCP’s yet to be completed.

Areas for improvement were noted and brought to the attention of DRDL, these were:

Conclusion of Intervention

6 I judged the condition and arrangements within the NUB to be in need of improvement in several areas.  Site is developing an improvement plan which should address my findings.  ONR will periodically review progress made with the improvement plans during its routine inspections.