Nuclear watchdog to urge shutdown of Oi plant if active fault found

Shunichi Tanaka, chairman of the Nuclear Regulation Authority (Photo by Makoto Kaku)

Shunichi Tanaka, chairman of the Nuclear Regulation Authority (Photo by Makoto Kaku)

By HISASHI HATTORI/ Senior Staff Writer

 

Shunichi Tanaka, NRA chairman, also told The Asahi Shimbun that the three-year timeline presented by the Abe administration is too short for safety screenings to be completed for all 50 nuclear reactors in Japan.

An NRA expert panel began a second session on Dec. 28 of on-site geological surveys at the Oi plant to decide whether a fault line cutting across its premises is active. Two reactors at the Oi plant are the only ones currently up and running in Japan.

Tanaka said he would use nonbinding “administrative discretion” measures to instruct Kansai Electric Power Co., operator of the Oi plant, to halt operations if the fault running beneath key equipment is found to be active.

The government’s safety standards stipulate that no key component of a nuclear plant should be installed directly above an active fault.

The law on the regulation of nuclear reactors allows the issuance of a shutdown order in case of imminent danger.

 

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