Sellafield - IRR17 inspection of Special Nuclear Materials (North)
- Site: Sellafield
- IR number: 18-109
- Date: September 2018
- LC numbers: N/A
Purpose of Intervention
This report presents the findings of a planned intervention that was undertaken at the Sellafield nuclear licensed site in order to assess Sellafield Limited’s (SL) compliance with the Ionising Radiations Regulations 2017 (IRR17) within the Special Nuclear Materials (North) (SNM(N)) operating unit.
The intervention was the first of six planned interventions across the Sellafield site examining the standard of radiological protection culture and practice across multiple operating units.
Interventions Carried Out by ONR
The intervention consisted of an examination of the implementation of arrangements to secure compliance with the requirements of IRR17 by discussion with key facility personnel and inspection of plant. The key requirements examined were those relating to:
- Regulation 9 (Restriction of exposure);
- Regulation 14 (Radiation Protection Adviser);
- Regulation 15 (Information, instruction and training); and
- Regulation 18 (Local rules and radiation protection supervisors)
Explanation of Judgement if Safety System Not Judged to be Adequate
Not applicable, this was not a System/Structure Based Inspection.
Key Findings, Inspector's Opinions and Reasons for Judgements Made
Based on the work areas and work activities examined, I found that arrangements for the control of work with ionising radiations within SNM(N) were adequate. In particular:
- The arrangements in place for the regular (monthly and quarterly reviews) of worker doses appeared adequate and proportionate to the external doses received by workers within the facilities;
- I received adequate assurance that arrangements that allowed routine advice to be provided by a nominee for the RPA (“the RPA(Nominee)”) were robust and that where the RPA(Nominee) was required to provide specific non-routine advice, this was subject to adequate oversight by the RPA.
- I was satisfied that the RPA or RPA(Nominee) is asked for advice on the matters listed in Schedule 4 of the Regulations and those additional matters set out in paragraph 254 of the associated Guidance.
- The Radiation Protection Supervisor who was interviewed on planted demonstrated a clear understanding of the requirements associated with the role and appeared to be suitable for the role.
- The two operators who were interviewed demonstrated a basic understanding of the radiological risks presented and the control measures required by their work with ionising radiation, including work in C3/R3 areas.
- Local Rules contained appropriate information and were prominently displayed at the required locations.
Conclusion of Intervention
From what I observed and examined, the arrangements for the control of work with ionising radiations and their implementation indicate that there are no significant shortfalls of compliance with the Ionising Radiations Regulations 2017 (IRR17) within SNM(N). I rated the interventions as Green (No Formal Action). No matters that required a regulatory issue to be raised were identified during the intervention.