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原因と対策2003� ��6月26日13時00� �.pdf

20030626_1.pdf

🔗 Source: ensc.jp

📊 Size: 684 KB

📄 Pages: 26 pages

⬇️ Downloads: 403

Summary

On June 13, 2003, a crack was discovered in the safety injection system test line pipe of the Ikata Nuclear Power Plant's No. 1 unit. The crack was found during a routine inspection, and further investigation revealed that it was caused by stress corrosion cracking due to the presence of chlorine ions from a vinyl chloride tape that had been used during construction. The tape had decomposed and released chlorine gas, which had then reacted with the pipe material to cause the cracking. The plant's operator, Shikoku Electric Power Company, reported that the crack did not pose a risk to the safety of the plant or the environment, and that measures would be taken to prevent similar incidents in the future.

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Description

On June 13, 2003, a crack was discovered in the safety injection system test line pipe of the Ikata Nuclear Power Plant's No. 1 unit.

Technical Information

File Format: PDF
File Size: 684 KB
Pages: 26
Language: EN
Total Downloads: 403
Last Updated: 1 month ago

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