Office for Nuclear Regulation

Monthly archives: December 2022

Berkeley – Inspection ID: 50713

December 30, 2022

Executive summary Inspection date(s): 2/11/2022 Purpose of inspection The intention of this ONR inspection was to conduct a one-day themed Operational Standards Inspection (OSI) at the Berkeley Vault 3 (stage R4) decommissioning project relating to implementation of Limits and Conditions of operations in readiness for Magnox Ltd’s request to enter active commissioning of Vault 3 […]

Read more


Berkeley – Inspection ID: 51994

December 30, 2022

Executive summary Inspection date(s): 12/10/2022 Purpose of inspection The primary purpose of the visit is to undertake an intervention to assess compliance with the Ionising Radiations Regulations 2017 (IRR17) and the implementation of relevant good practice (RGP). Subject(s) of inspection The following actives were the subject of this inspection: IRR17 – Rating – Green Key […]

Read more


Dungeness B – Inspection ID: 51741

December 30, 2022

Executive summary Inspection date(s): 13/10/2022 Purpose of inspection The aim of this inspection activity is to focus on station’s compliance against the specific topic area of electrical safety. Subject(s) of inspection The following actives were the subject of this inspection: Health & Safety at Work Act – Rating – Amber Key findings The inspection activities […]

Read more


Hinkley Point C – Inspection ID: 51672

December 30, 2022

Executive summary Inspection date(s): 2o/10/2022 Purpose of inspection A total of six level 4 meetings and a level 3 meeting were held with the licensee in 2020/2021 to understand the implications of the move from the Control Build toolchain to the Funbase (functional specification database) tool in the translation of the protection system software functional […]

Read more


Hinkley Point C – Inspection ID: 51688

December 30, 2022

Executive summary Inspection date(s): 27/09/2022 Purpose of inspection The purpose of this intervention was to check the operation of NNB Generation Company (HPC) Limited’s (NNB GenCo) Hinkley Point C’s (HPC) manufacturing hub which is part of NNB GenCo’s quality and supply chain management arrangements. The hub approach enables coordination of various oversight activities required by […]

Read more


AWE Aldermaston – Inspection ID: 51974

December 30, 2022

Executive summary Inspection date(s): 12/10/2022 Purpose of inspection The purpose of the intervention was for the ONR to inspect and determine the adequacy of implementation of AWE’s formal arrangements for compliance with LC 11 via an on-site demonstration of their emergency arrangements during a Level 1 exercise. Subject(s) of inspection The following actives were the […]

Read more


Sellafield – Inspection ID: 50788

December 30, 2022

Executive summary Inspection date(s): 20/12/2022 Purpose of inspection The aim of this inspection was to gain assurance that Magnox Swarf Storage Silo (MSSS) is compliant with the Ionising Radiations Regulations 2017 (IRR17) and Licence Condition 11 (LC11), and associated Sellafield procedures and standards for work associated with operations within the facility. Subject(s) of inspection The […]

Read more


CITYSPRINT (UK) LIMITED – Transport – Inspection ID: 51996

December 29, 2022

Executive summary Inspection date(s): 25/10/2022 Summary statement ONR regulates the civil transport of radioactive material by road, rail and inland waterway in Great Britain (GB). The ONR Transport Competent Authority (TCA) is responsible for delivering non-nuclear transport inspection and enforcement activities. This inspection forms part of that delivery function with reference to Carriage of Dangerous […]

Read more


AWE Aldermaston – Inspection ID: 50406

December 29, 2022

Executive summary Inspection date(s): 12/10/2022 Purpose of inspection Licence Condition compliance inspections are an essential element of ONR’s overall intervention strategy on any licenced nuclear site. The purpose of the intervention is to confirm the adequacy of AWE’s arrangements within XTC for Licence Condition 10 (Training) and Licence Condition 12 (Duly authorised and other suitability […]

Read more


AWE Aldermaston – Inspection ID: 50405

December 29, 2022

Executive summary Inspection date(s): 12/10/2022 Purpose of inspection Licence Condition compliance inspections are an essential element of ONR’s overall intervention strategy on any licenced nuclear site. The purpose of the intervention is to confirm the adequacy of AWE’s arrangements within XTC for Licence Condition 10 (Training) and Licence Condition 12 (Duly authorised and other suitability […]

Read more