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 March 4 to March 10, 2011
(Completed on the following date)
- Unit 4 Seismic reinforcement works (Seismic reinforcement works for
the fuel handling machine):
March 4
◇ Inspection and restoration to be commenced between March 11 to March
17, 2011
(To be commenced on the following date)
- Unit 3 System functional test (Selected control rod insertion
inspection):
March 11*
- Unit 3 System functional test (Primary containment vessel leak-rate
inspection):
March 15
- Unit 3 System functional test (Performance test for reactor building
airtightness):
March 17
* Work schedule altered this week.
◇ Work Schedule of Major Inspection and Restoration from March 6 to
April 2, 2011
- 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
March 3 to March 9, 2011.
◇ Incidents Information (relating to the Chuetsu-Oki Earthquake)
| |
<Reports from March 3 to March 9, 2011>
◇ Other Findings
- Information on Nonconformances (those related to: the Chuetsu-Oki
Earthquake; Grades GI, GII, GIII; and non-graded)
(including nonconformances related to: the Chuetsu-Oki Earthquake;
Grades As, A, B, C, D; and non-graded)
* By close reexamination of past nonconformance incidents, 9 of them
are identified as not related to the Chuetsu-Oki Earthquake, and 2
of them are identified as related to the Chuetsu-Oki Earthquake, so
the total number of them has been corrected.
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 89.1KB)