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Division Spotlight
Radiation Protection & Shielding
The Radiation Protection and Shielding Division is developing and promoting radiation protection and shielding aspects of nuclear science and technology — including interaction of nuclear radiation with materials and biological systems, instruments and techniques for the measurement of nuclear radiation fields, and radiation shield design and evaluation.
Meeting Spotlight
Utility Working Conference and Vendor Technology Expo (UWC 2024)
August 4–7, 2024
Marco Island, FL|JW Marriott Marco Island
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Nuclear Science and Engineering
August 2024
Nuclear Technology
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Latest News
Vogtle-3 shuts down for valve issue
One of the new Vogtle units in Georgia was shut down unexpectedly on Monday last week for a valve issue that has since been investigated and repaired. According to multiple local news outlets, Georgia Power reported on July 17 that Unit 3 was back in service.
Southern Company spokesperson Jacob Hawkins confirmed that Vogtle-3 went off line at 9:25 p.m. local time on July 8 “due to lowering water levels in the steam generators caused by a valve issue on one of the three main feedwater pumps.”
Yutaka Iwaki, Masami Kamibayashi, Aya Ohori, Haru Ando (Hitachi)
Proceedings | Nuclear Plant Instrumentation, Control, and Human-Machine Interface Technolgies (NPIC&HMIT 2019) | Orlando, FL, February 9-14, 2019 | Pages 924-931
In Japan, maintenance works for nuclear power plants have been achieved by skills and knowledge of experienced field workers. Retirement of aged maintenance workers and shortage of hands are expected to decrease the efficiency of maintenance works in the future. One of approaches to securing the efficiency of maintenance works is the sophistication of work procedures instruction of maintenance team leaders. With team leaders’ sophisticated work procedures instruction powered by appropriate contents, timing, and media, even novice maintenance workers who do not have sufficient experiences and skills should be able to conduct their work precisely and efficiently. In this study, the authors developed a prototype of a computer-based work procedures instruction tool for maintenance team leaders to use in Tool Box Meeting (TBM) that takes place before the starting of field work, and evaluated the acceptability of the tool with the cooperation of actual maintenance teams. Multimedia contents and the large touch display of the prototype are for maintenance team leaders to explain schedules, work procedures, and workers placement while interacting with team members. The authors got the maintenance teams to try the functions of the prototype, and conducted interviews with the team leaders and members to understand their existing work flow and define requirements for the work procedures instruction tool. The results of the evaluation shows that the use of multimedia for work procedures instruction will be effective; and that the fitness of the tool for the existing work flow will be significant. With the results, Hitachi continues the development of the work procedures instruction tool, mainly focusing on the improvement of the interfaces for explaining work procedures and preparing for TBM.