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.
1. Inspection/Restoration Status
○ Inspection and restoration completed between December 7th to December 13th, 2007
(Completed on the following date)
Unit No.2 In-core inspection (control rod storage hangers in the spent fuel pool):
December 8th
Unit No.4 Refueling machine inspection:
December 10th
Unit No.4 In-core inspection (control rod storage rack and hangers in the spent
fuel pool):
December 12th
Unit No.4 Reactor head opening:
December 10th
Unit No.4 Main transformer oil extraction and internal inspection:
December 13th
Unit No.4 House transformers inspection (transportation into the factory):
December 6th*
*Work schedules added this week
○ Inspection and restoration to be commenced between December 7th to December 13h,
2007
(To be commenced on the following date)
Unit No.2 Reactor pressure vessel inspection (nozzle parts etc.):
December 14th
Unit No.4 Main transformer inspection (preparation for transportation into
the factory)
December 14th
Unit No.5 Reactor pressure vessel inspection (nozzle parts etc.):
December 14th
Unit No.7 Restoration work for oil protection bank for the transformer:
December 17th
○ Work Schedule for Major Inspection/Restoration from December 9th, 2007 to January
5th, 2008
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
2. 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 December 6th to December 12th, 2007.
○ Incidents Information (relating to the Chuetsu-Oki Earthquake)
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<Reports from Dec. 6 to Dec. 12, 2007>
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○ Other Findings
Solid Waste Storage Facility:
Number of drums conducted the soundness verification work: 12,718
(as of November, 30th)
Information on Nonconformances (those related to: the Chuetsu-Oki Earthquake;
Grades As, A, B, C, D; and non-graded)
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Appendix: Work Schedule of the Main Inspection/Restoration of Kashiwazaki-Kariwa Nuclear
Power Station in Response to the Niigata-Chuetsu-Oki Earthquake
(during 4 Weeks)(PDF 222KB)
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