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Many errors in TEPCO’s nuclear power plant examination documents at Kashiwazaki Kariwa Unit 3

January 19, 2023
On January 19, TEPCO Holdings revealed that 149 errors were found in the examination documents for the Kashiwazaki Kariwa Unit 3 nuclear power plant in Niigata Prefecture, which is under review by the Nuclear Regulation Authority before its 30th year of operation. 131 of the errors were made using information from Unit 2, which has already been examined.

TEPCO apologized at the review meeting on the same day, saying, “We should reflect on this. The Regulatory Commission said, “This is a matter that concerns the reliability of the documents, and we hope you will take it seriously,” and demanded that a recurrence of the problem be prevented.

According to TEPCO, because they did not know the names of the materials required for the documents, they used those of the Unit 2 reactor of the same type. The same document contained an error due to a programming error, which was discovered when the company checked for similar errors.

Kashiwazaki Kariwa Unit 3, which began operation in August 1993, is currently shut down and has not yet applied for an inspection to restart operations. Nuclear power plants are required to undergo an examination to check the management of their facilities before they reach 30 years of operation. Kyodo News
https://www.nikkei.com/article/DGXZQOUA19CCU0Z10C23A1000000/?fbclid=IwAR339KW18B9GAITAh2AdBAorc1cA-7vkU_OoWvyCT7G1ECB-RI8xeldvadc

February 3, 2023 Posted by | Japan | , , , | Leave a comment

Non-disclosure of official documents related to treated water from nuclear power plants: Fukushima Prefecture releases history

February 16, 2022

The Fukushima prefectural government has announced the series of events that led to the non-disclosure of official documents related to the treated water at the Fukushima Daiichi Nuclear Power Plant, saying that there was insufficient confirmation.

In this issue, 24 official documents from briefings and government meetings held for fishermen since April last year were uniformly not disclosed.

On April 15, the prefectural government reversed its decision of nondisclosure and indicated that it would disclose some of the official documents.


On the 16th, the prefecture announced the series of events and explained that the reason for the non-disclosure was “because the decision was made uniformly without sufficient confirmation of whether the documents should be open or closed.

The prefectural government also confirmed that there were other documents that should have been disclosed, and said it would disclose them additionally.

https://news.yahoo.co.jp/articles/30e588a2799e52a3a3916981112936452ce79f20?fbclid=IwAR0jJ-KvRUTqRuiMc-yaJ2PO-jwiwHZWFOiN4Z05MyHD3gJ52ObXVfv8rmE

February 20, 2022 Posted by | Fuk 2022 | , , , , | Leave a comment