October 17, 2023 - Executive summary Date(s) of inspection: August 2023 Aim of inspection This was a targeted inspection of the adequacy of the fire safety and emergency arrangements at Hinkley Point C (HPC) with the aim of assessing compliance with the Regulatory Reform (Fire Safety) Order 2005 (RRO) during construction activities. The aim of the inspection was to […]
October 16, 2023 - Executive summary Date(s) of inspection: June 2023 Aim of inspection The local post-weld heat treatment (PWHT) applied to the Hinkley Point C (HPC) steam generator tubesheet to primary head weld (the PIF weld) has generated high residual stress such that an adequate defect size margin (DSM) cannot be demonstrated using the initial qualification examination defect […]
October 13, 2023 - Executive summary Date(s) of inspection: March 2023 Aim of inspection The purpose of this inspection was to determine the adequacy of NNB Generation Company (HPC) Ltd’s (NNB GenCo) management controls for authorising the shipment of safety related components to Hinkley Point C (HPC) from suppliers. In particular the following aspects of the management controls were […]
October 13, 2023 - Executive summary Date(s) of inspection: July 2023 Aim of inspection In accordance with the Office for Nuclear Regulation’s (ONR’s) Hinkley Point C (HPC) construction inspection plan, ONR performs a series of planned compliance inspections of identified licence conditions (LC) and other applicable legislation, to ensure that NNB Generation Company (HPC) Ltd (NNB GenCo) is meeting […]
September 27, 2023 - Conventional health and safety and cyber security highlighted
August 21, 2023 - Executive summary Date(s) of inspection: April 2023 Aim of inspection The purpose of the inspection was to assess NNB Generation Company (HPC) Ltd’s (NNB GenCo) quality function capability, effectiveness, and integration, and assess that the quality function has sufficient oversight and is adequately monitoring contractors and supply chain quality performance and assurance arrangements. Subject(s) of […]
August 16, 2023 - Executive summary Date(s) of inspection: May 2023 Aim of inspection The aim of this inspection was to assess the effectiveness of NNB Generation Company (HPC) Ltd’s (NNB GenCo) Nuclear Safety Committee (NSC) in fulfilling its advisory role as an integral part of NNB GenCo’s nuclear safety governance arrangements. This inspection was undertaken as part of the Office for Nuclear […]
August 14, 2023 - Executive summary Date(s) of inspection: May 2023 Aim of inspection This was a targeted inspection of the adequacy of the fire safety and emergency arrangements with the aim of assessing compliance with the Regulatory Reform (Fire Safety) Order 2005 (RRO) during construction activities. The aim of the inspection was to gain confidence in NNB Generation […]
August 14, 2023 - Executive summary Date(s) of inspection: June 2023 Aim of inspection The aim of this inspection was to gain assurance that the licensee’s arrangements for management and implementation of fabrication activities in the bunkers at Hinkley Point C (HPC) are adequate. This included sampling the internal arrangements of the licensee, its arrangements for controlling contractors on […]
August 14, 2023 - Executive summary Date(s) of inspection: May 2023 Aim of inspection The aim of the inspection was to gain assurance that appropriate arrangements are in place for conformant construction of the on-site installation of the unit 2 inner containment liner, in accordance with the design intent and safety case. Subject(s) of inspection LC 19 – Construction […]