South China Regional Office conducts safety inspection of Lianjiang Nuclear Power Unit 2

Recently, the South China Regional Office of Nuclear and Radiation Safety Inspection of the Ministry of Ecology and Environment organized an inspection team to conduct a routine nuclear safety inspection of the main pipeline welding control point and installation construction quality of Unit 2 of the Lianjiang Nuclear Power Plant. This inspection not only focused on verifying the on-site welding preparation for the first weld seam of the main pipeline of Unit 2, but also carried out an in-depth “diagnostic review” from the system management level, systematically identifying management weaknesses and deep-rooted causes exposed during the earlier installation and construction phases of Units 1 and 2.

As main pipeline welding is a decisive key link in the installation phase of a nuclear power plant, the inspection team, based on previous welding construction supervision experience and on the basis that the operating unit had already taken engineering supervision measures, further urged it to take comprehensive and thorough measures in dimensions such as coordinating contractor resource assurance, quality assurance audits, and nuclear safety culture cultivation. In response to common-cause issues in the design field, the inspection team explicitly required the operating unit to make sustained efforts in key links such as the preparation of design documents and the effective transfer of design requirements, and to push design optimization toward precisely guiding on-site construction.

In response to the complex reality that some on-site work involves long management chains and many involved links, the inspection team required the operating unit to carry out targeted systematic special rectification, effectively ensuring the efficient operation of its own management system. The South China Regional Office stated that in the next step it will continue to focus on closed-loop rectification management, firmly consolidate and tighten the operating unit's primary responsibility for nuclear safety, carry through penetrating supervision to the end at the system management level, and build a solid defense line for the long-term safe and stable construction of the nuclear power plant.