We are announcing the status of major inspections and restoration works (from September 
30th to October 27th, 2007) and non-conformance at TEPCO's Kashiwazaki-Kariwa Nuclear 
Power Station after the Niigata-Chuetsu-Oki Earthquake.

1. Inspection/ Restoration Status 
 ○ Inspection and restoration completed between September 28th to October 4th, 2007
  • Unit No.1 In-core inspection (Phase2):
      Inspection completed on October 1st 
  • Unit No.2 Reactor building ceiling crane inspection:
      Inspection to be completed on October 4th
  • Unit No.5 Reactor building ceiling crane inspection:
      Inspection completed on September 28th  
  • Unit No.6 Reactor building ceiling crane inspection:
      Inspection completed on October 2nd
  • Unit No.6 Turbine building ceiling crane inspection:
      Inspection to be completed on October 4th
  • Unit No.7 Refueling floor service tools inspection (stud tensioners, etc.):
      Inspection completed on October 1st
  • Unit No.7 Turbine building ceiling crane inspection:
      Inspection to be completed on October 4th
  • Unit No.7 Removal of spent fuel pool underwater work platform:
      Inspection completed on September 30th 
  • Standby Gas Treatment System verification run:
      Inspection completed on October 2nd 
  •Fuel pool cooling water system back up pump verification run: 
      Inspection completed on September 28th 

 ○ Inspection to be commenced between to October 5th to October 11th, 2007.
  • Unit No.1 House transformers (1B) inspection (oil extraction/ internal inspection)
  • Unit No.1 Excitation transformers inspection (oil extraction/ internal inspection)
  • Unit No.2 Restoration for the blowout panel of reactor building
  • Unit No.4 Reactor building ceiling crane inspection
  • Unit No.4 Refueling floor service tools inspection (stud tensioners, etc.)
  • Unit No.6 Turbine internal inspection
  • Unit No.6 Main transformer preparation for transportation into the factory
  • Unit No.7 In-core inspection
  • Unit No.7 Turbine internal inspection
  • Unit No.7 Main generator inspection
  • Solid Waste Storage Facility soundness confirmation

 ○ Work Schedule for Major Inspection/ Restoration from September 30th to October 27th, 
    2007
  • Work Schedule of the Main Inspection/ Restoration of 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 September 27th to October 3rd 2007 and the 
   occurrence status of nonconformances (that have been deliberated) reported from 
   September 20th to 26th, 2007.

○ Incidents Information (relating to the Chuetsu-Oki Earthquake)  
<Reports from September 27th to October 3rd, 2007>  
○ Information on Nonconformances (those related to: the Chuetsu-Oki Earthquake; 
  Grades As, A, B, C, and D; and non-graded)  
○ Other Findings
  • Unit No.7 Visual inspection of inside the spent fuel pool in connection to the removal 
    of the underwater work platform (removed on September 28th). Confirmed 4 minor 
    scratches on the legs of the work platform legs, scratches on the handle of 3 fuel 
    bundles, and minor scratch on the wall of the pool. 
  • Unit No.6 Completed post-restoration inspection for 3 parts of damage to the reactor 
    building ceiling crane drive joint (inspection completed and begun use of the crane 
    on October 2nd).
  • Units No.6 and No.7 Confirmed crack inside the discharge canal concrete during inspection. 

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)