East China Supervision Station Completes Supervision of Containment Structural Integrity and Integrated Leak Rate Test for Sanmen Nuclear Power Plant Unit 3

en.Wedoany.com Reported - The East China Nuclear and Radiation Safety Supervision Station of China's Ministry of Ecology and Environment (hereinafter referred to as the East China Supervision Station) has completed the supervision of the containment structural integrity and integrated leak rate test for Sanmen Nuclear Power Plant Unit 3. The test lasted for 8 days, during which the East China Supervision Station conducted comprehensive, full-process supervision, laying the foundation for the nuclear power unit to proceed to the next stage of testing.

As the "final line of defense" for preventing radioactive material leakage in pressurized water reactor nuclear power plants, the structural integrity and sealing of the containment vessel are directly related to the safe and stable operation of the nuclear power plant and the safety of the surrounding environment. This test comprehensively examined the design, manufacturing, and installation quality of the containment vessel, serving as an important measure to prevent nuclear safety risks.

During the test, nuclear safety inspectors adhered to a work style characterized by "strictness, prudence, meticulousness, and pragmatism." They were involved throughout the entire process, focusing their supervision on key points such as prerequisite confirmation, pressure ramp-up/down rate control, pressure platform maintenance, and deformation measurement. By effectively combining supervision methods such as document review, on-site inspection, and personnel interviews, they used professional oversight to build a solid barrier for nuclear safety and faithfully fulfilled their nuclear safety supervision responsibilities.

The East China Supervision Station will consistently uphold the principle of "safety first, quality first," strengthen its sense of responsibility, use professionalism and rigor to safeguard the bottom line of nuclear safety, closely monitor key aspects of nuclear facility safety supervision, and routinely carry out work such as test supervision and hazard investigation. It will effectively build a strong nuclear safety barrier to ensure the safe, orderly, and high-quality development of China's nuclear power industry.

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