Nuclear Safety Inspection Conducted on Preparation for FCD of Unit 4 of Sanao Nuclear Power Plant

Recently, the East China Nuclear and Radiation Safety Supervision Station of the Ministry of Ecology and Environment (hereinafter referred to as the East China Supervision Station) organized a nuclear safety inspection on the preparation for the first concrete pouring (FCD) of the nuclear island foundation of Unit 4 of the Zhejiang Sanao Nuclear Power Plant.

FCD is a key milestone in nuclear power project construction, marking the official start of main construction. The East China Supervision Station attached great importance to this inspection and made careful preparations in the preparatory stage, inviting technical support organizations and senior experts in the industry to form an inspection team covering specialties such as geology, civil engineering, and quality assurance, and developed a targeted inspection plan based on key and difficult issues in recent regulatory work. During the inspection, the inspection team carried out, in accordance with the inspection plan, document reviews and personnel interviews covering all areas, inspected the preparation of construction management conditions, the preparation of technical conditions, the operation of the quality assurance system, the handling of outstanding issues from previous construction supervision inspections, and the establishment and operation of the experience feedback system, verified the progress in implementing nuclear safety review commitments, and conducted on-site inspections of key areas such as the raft foundation of the reactor building, raw material storage sites, the concrete laboratory, and the concrete batching plant. Based on the inspection results, the East China Supervision Station put forward nuclear safety management requirements in accordance with the law, specified rectification deadlines, and urged the operating organization to fulfill its primary responsibility for nuclear safety, strictly implement rectification requirements, and ensure the construction quality of the nuclear power project.

The East China Supervision Station will always uphold the work style of “strictness, prudence, meticulousness, and practicality”, strictly carry out nuclear facility regulation in accordance with laws and regulations, safeguard high-quality development with high-level nuclear safety, and build a solid safety barrier for the construction of a Beautiful China.