Inspectors from Japan’s Nuclear Regulation Authority began in inspection of the seismic faults on Monday morning at the Kashiwazaki-Kariwa nuclear power plant which is owned and operated by the Tokyo Electric Power Company. Commissioner Kunihiko Shimazaki and 15 other staff members from the NRA are conducting the investigation.
TEPCO has applied for safety screenings at the Unit 6 and Unit 7 reactor at the Kashiwazaki-Kariwa plant.
At least 23 faults are known to exist beneath reactor buildings and other facilities at the nuclear power complex. The Nuclear Regulation Authority has asked the licensee to conduct additional inspections of other faults in the area.
TEPCO has stated that it has not found any active faults under the complex, but admits that some of the new surveys will require several months to complete. The NRA investigators will decide during their survey whether TEPCO’s plan for its own inspection is adequate.
Tokyo Electric has based its projected earnings and spending on the assumption that the Unit 6 and Unit 7 reactors at the Kashiwazaki-Kariwa plant will be restarted by July.
If the NRA were to find that the faults were active or could become active, it would prevent TEPCO from restarting the reactors.