A nuclear power plant on the Sea of
Intruder detection systems were defective in 15 locations at the Kashiwazaki-Kariwa plant in
The NRA has provisionally rated the breach at the plant at the worst level in terms in safety and severity, marking the first time it has given such an assessment. It will notify
"Systematic monitoring functionality fell, and the effectiveness of the physical protection system could not been adequately confirmed for a long period of time. In terms of nuclear safeguarding, it could have resulted in a grave situation," the regulatory body said.
NRA Chairman
Regarding penalties such as ordering the plant to be decommissioned or revoking its license to operate, Fuketa said they would be discussed at a public meeting after the rating is finalized.
According to the watchdog, security staff at
It was also found that a similar loss of functionality in a physical protection system occurred in multiple locations from
The NRA is demanding that
Nuclear power plants detect unauthorized entry through security cameras and sensors installed at various points. The NRA was told by
The Kashiwazaki-Kariwa plant has been plagued by security issues, including an incident in which an employee used a colleague's ID pass last September to enter the central control room unauthorized.
Safety installations have also not been completed for the No. 7 reactor at the plant that
==Kyodo
© Kyodo News International, Inc., source