We are announcing the status of major inspections and restoration works and nonconformances
at TEPCO's Kashiwazaki-Kariwa Nuclear Power Station after the Niigata-Chuetsu-Oki Earthquake.
Inspection/Restoration Status
◇ Inspection and restoration completed between August 28 to September 3, 2009
(Completed on the following date)
- Unit No.2 Reactor recirculation piping preventive maintenance (Ultrasonic testing):
September 3
- Unit No.5 Seismic reinforcement works (Seismic reinforcement works for reactor
building overhead crane):
August 28
- Unit No.6 Functional test for the entire plant (Test of raising the reactor pressure
to approx. 3.5MPa):
August 28
- Unit No.6 Functional test for the entire plant (Test of raising the reactor pressure
to approx. 7.0MPa):
August 29
- Unit No.6 Functional test for the entire plant (Inspection after activating a main
turbine generator):
August 30
- Unit No.6 Functional test for the entire plant (Inspection after temporary main
generator synchronization):
August 31
- Unit No.6 Functional test for the entire plant (Inspection after generating power
at approx. 20% of the rated output):
September 2
- On-site check, inspection and restoration of the oil protection bank for the
transformer (Unit No.4 Restoration work):
August 28
◇ Inspection and restoration to be commenced between September 4 to September 10, 2009
(To be commenced on the following date)
- Unit No.4 House transformer inspection (Carrying in and installation work):
September 2*
- Unit No.4 Excitation transformer inspection (Carrying in and installation work):
September 2*
* Work schedules added and altered this week.
◇ Work Schedule of Major Inspection/Restoration from August 30 to September 26, 2009
- Work Schedule of the Main Inspection/Restoration of the Kashiwazaki-Kariwa Nuclear
Power Station in Response to the Niigata-Chuetsu-Oki Earthquake (during 4 Weeks)
....Appendix*
(Reference)
Nonconformances Found in the Inspection and Restoration Works Performed after the Niigata-
Chuetsu-Oki Earthquake
Based on the "Public Announcement Regarding Nonconformance Found in the Inspection and
Restoration Works Performed after the Niigata-Chuetsu-Oki Earthquake", the Tokyo Electric
Power Company, Incorporated (TEPCO) provides this announcement containing incidents
information reported from August 27 to September 2, 2009.
◇ Incidents Information (relating to the Chuetsu-Oki Earthquake)
| |
<Reports from August 27 to September 2, 2009>
◇ Other Findings
- Nothing to disclose to this week.
Appendix: Work Schedule of the Main Inspection/Restoration of the Kashiwazaki-Kariwa Nuclear
Power Station in Response to the Niigata-Chuetsu-Oki Earthquake (during 4 Weeks)
(PDF 103KB)