Office for Nuclear Regulation

Category: Trawsfynydd – Magnox Ltd

Trawsfynydd – Project Assessment Report (PAR): PR-01414

November 14, 2023 -


Site Stakeholder Group (SSG) reports for Q3 – 2023

October 17, 2023 -


Trawsfynydd – Inspection ID: 52748

October 2, 2023 - Executive summary Date(s) of inspection: July 2023 Aim of inspection The purpose of this inspection is to gain assurance that Magnox Trawsfynydd’s arrangements for compliance with LC7 (Incidents on the site) and their implementation comply with legal requirements. The purpose of LC7 is to ensure that incidents on the site are notified, recorded, investigated and […]


Site Stakeholder Group (SSG) reports for Q1 – 2023

April 12, 2023 -


Trawsfynydd – Inspection ID: 50871

February 10, 2023 - Date of inspection: December 2022 Executive summary Aim of inspection Compliance inspection targeting: Construction (Design and Management) Regulations 2015 (CDM 2015). Licence condition 26 (Control and supervision) compliance inspection. Site life fire safety, including during the design of construction (demolition) activities. Subject(s) of inspection CDM 15 – Rating: Green Fire (Life Safety) Compliance Inspection – Rating: […]


Trawsfynydd – Inspection ID: 50866

January 31, 2023 - Executive summary Date(s) of inspection: October 2022 Aim of inspection To gain assurance that incidents on the site are notified, recorded, investigated and reported by the licensee.  Organisational learning, including learning from incidents on the site, as well as from other relevant external sources make a key contribution to the continual improvement of any effective […]


Trawsfynydd – Inspection ID: 50867

January 6, 2023 - Executive summary Inspection date(s): 4/10/22 Aim of inspection To gain assurance that both the rate of production of radioactive waste, and the amount of radioactive waste on licensed nuclear sites is minimised and at all times adequately controlled. Subject(s) of inspection The following actives were the subject of this inspection: LC32 – Accumulation of radioactive […]


Site Stakeholder Group (SSG) reports for Q3 – 2022

November 1, 2022 - Site Stakeholder Group (SSG) reports for Q3 – 2022


Site Stakeholder Group (SSG) reports for Q2 – 2022

July 21, 2022 -


Trawsfynydd – Inspection ID: 22-009

July 5, 2022 - Site: Trawsfynydd IR number: 22-009 Date: May 2022 LC numbers: N/A Executive summary Purpose of Intervention ONR undertook this inspection to examine Magnox Limited’s arrangements for compliance with the Ionising Radiations Regulations 2017 (IRR17) for controlling exposures at the Magnox Limited Trawsfynydd site. This was one of a series of routine planned IRR17 inspections for […]