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Report No.

Activity for improvement of reprocessing plant quality assurance system; Transition to decommissioning stage, complying with new regulatory requirements for new inspection program, giving up ISO 9001 certification; Operations report FY 2012-2019

Yoshinaka, Kazuyuki ; Shimizu, Kazuyuki; Sugiyama, Takayuki

We had drastically been improving quality assurance system for Tokai Reprocessing Plant (TRP), through applying new regulatory requirements, giving up ISO certification from FY2012 to 2019. In revising QA system, it is obviously necessary to satisfy the regulatory requirements, but it is important to continuously improve the QA system considering effectiveness to safety performance based on earlier experiences. In this report, the background of QA system revision, interpretation and thinking way of conformation and application to new regulation and "Application Guide to Quality Assurance Code for Safety in Nuclear Power Plants (JEAC 4111)" to TRP, issues considered. And matters that require attention for future QA activities are described. Key points are "in work processes planning, relationship with other sections and responsibility boundaries should be clearly defined with such as flow chart", "to manage decision-making processes is important, including input information, judgment criteria and so on", "concerning process monitoring and measurement, not only focusing on scheduling but also viewpoints toward conditions of facilities/systems, conformance to regulatory requirements and process improvement are necessary", and "in documentation, matching for existing system, clear relation to other fundamental documents are necessary".



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