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概要

最所 丈博 Takehiro SAISHO This paper describes field experience of seismic-upgrading modification which enhances seismic design margin for Shika nuc lear power plants units 1 and 2. Modification for piping support, cable tray support and conduit support for electric cabl e, was performed during plant outage due to considering plant safety. On the other hands, we carried out patrols in order to prevent a fire and worker's accident during construction period, and were able to complete the work without an accident.

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