We are announcing the status of major inspections and restoration works 
and non conformances at TEPCO's Kashiwazaki-Kariwa Nuclear Power Station 
after the Niigata-Chuetsu-Oki Earthquake. 

Inspection/ Restoration Status 

 ◇ Inspection and restoration completed between February 4 to February 
    10, 2011 
    (Completed on the following date) 

   - Unit 3 Reactor recirculation piping preventive maintenance 
     (Radiofrequency induction heating): 
       February 10, 2011 (To be completed) 

   - Unit 4 Restoration works of standby gas treatment system piping duct 
     substruction (Restoration works): 
       February 10, 2011 (To be completed) 

   - Restoration works of filtrate tank/ demineralized tank on Arahama-side 
     (Restoration work of No.2 filtrate tank): 
       February 7, 2011

 ◇ Inspection and restoration to be commenced between February 11 to 
    February 17, 2011
    (To be commenced on the following date) 

   - Unit 3 Reactor pressure vessel closure (Reactor pressure vessel 
     leakage test): 
       February 11, 2011 

   - Unit 3 Primary containment vessel closure: 
       February 16, 2011 

   - Unit 3 System functional test (Functional test of control rod drive 
     mechanism): 
       February 8, 2011* 

   - Unit 3 System functional test (Functional test of control rod drive 
     system): 
       February 14, 2011 
                                        * Work schedule altered this week.

 ◇ Work Schedule of Major Inspection and Restoration from February 6 to 
    March 5, 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 
 February 3 to February 9, 2011. 

 ◇ Incidents Information (relating to the Chuetsu-Oki Earthquake)


    <Reports from February 3 to February 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, 6 of them 
      are identified as not 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 90.8KB)