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| number = ML080360093
| number = ML080360093
| issue date = 02/08/2008
| issue date = 02/08/2008
| title = Diablo Canyon Power Plant, Unit No. 2 - Evaluation Regarding the 2006 (2R13) Steam Generator Tube Inspections
| title = Evaluation Regarding the 2006 (2R13) Steam Generator Tube Inspections
| author name = Wang A B
| author name = Wang A
| author affiliation = NRC/NRR/ADRO/DORL/LPLIV
| author affiliation = NRC/NRR/ADRO/DORL/LPLIV
| addressee name = Keenan J S
| addressee name = Keenan J
| addressee affiliation = Pacific Gas & Electric Co
| addressee affiliation = Pacific Gas & Electric Co
| docket = 05000323
| docket = 05000323
Line 18: Line 18:


=Text=
=Text=
{{#Wiki_filter:February 8, 2008  
{{#Wiki_filter:February 8, 2008 Mr. John S. Keenan Senior Vice President B Generation and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant P.O. Box 770000, Mail Code B32 San Francisco, CA 94177-0001
 
Mr. John S. Keenan Senior Vice President B Generation   and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant P.O. Box 770000, Mail Code B32 San Francisco, CA 94177-0001  


==SUBJECT:==
==SUBJECT:==
DIABLO CANYON POWER PLANT, UNIT NO. 2 - EVALUATION REGARDING THE 2006 STEAM GENERATOR TUBE INSPECTIONS (TAC NO. MD7458)  
DIABLO CANYON POWER PLANT, UNIT NO. 2 - EVALUATION REGARDING THE 2006 STEAM GENERATOR TUBE INSPECTIONS (TAC NO. MD7458)


==Dear Mr. Keenan:==
==Dear Mr. Keenan:==


By letters dated May 19, 2006 (Agencywide Document Access and Management System (ADAMS) Accession No. ML061450136), August 18, 2006 (ADAMS Accession No.
By letters dated May 19, 2006 (Agencywide Document Access and Management System (ADAMS) Accession No. ML061450136), August 18, 2006 (ADAMS Accession No. ML062400518), November 17, 2006 (ADAMS Accession No. ML063320484), and July 9, 2007 (ADAMS Accession No. ML072040054), Pacific Gas and Electric Company (PG&E, the licensee), submitted information summarizing the results of the 2006 steam generator (SG) tube inspections at Diablo Canyon Power Plant (DCPP), Unit 2. These inspections were performed during the 13th refueling outage (2R13). In addition to these reports, the U.S. Nuclear Regulatory Commission (NRC) staff summarized additional information concerning the 2006 SG tube inspections at DCPP Unit 2 in a letter dated August 24, 2006 (ADAMS Accession No. ML062370004). Based on discussions with PG&E during October 2007, the NRC staff requested additional information regarding the inspection results. By letter dated November 19, 2007 (ADAMS Accession No. ML073320311), PG&E provided the additional requested information.
ML062400518), November 17, 2006 (ADAMS Accession No. ML063320484), and July 9, 2007 (ADAMS Accession No. ML072040054), Pacific Gas and Electric Company (PG&E, the licensee), submitted information summarizing the results of the 2006 steam generator (SG) tube inspections at Diablo Canyon Power Plant (DCPP), Unit 2. These inspections were performed during the 13th refueling outage (2R13). In addition to these reports, the U.S. Nuclear Regulatory Commission (NRC) staff summarized additional information concerning the 2006 SG tube inspections at DCPP Unit 2 in a letter dated August 24, 2006 (ADAMS Accession No.
The NRC staff has completed its review of the information contained in the November 19, 2007, letter and did not identify any issues that were not already addressed in our previous review provided to you on August 24, 2006. The NRC staff=s review of the 2R13 SG tube inspection reports is complete and TAC No. MD7458 is closed.
ML062370004). Based on discussions with PG&E during October 2007, the NRC staff requested additional information regarding the inspection results. By letter dated November 19, 2007 (ADAMS Accession No. ML073320311), PG&E provided the additional requested information.
If you have any questions regarding this matter, please contact me at (301) 415-1445.
 
Sincerely,
The NRC staff has completed its review of the information contained in the November 19, 2007, letter and did not identify any issues that were not already addressed in our previous review provided to you on August 24, 2006. The NRC staff
                                              /RA/
=s review of the 2R13 SG tube inspection reports is complete and TAC No. MD7458 is closed. 
Alan B. Wang, Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-323 cc: See next page
 
If you have any questions regarding this matter, please contact me at (301) 415-1445.
 
Sincerely,
 
/RA/
 
Alan B. Wang, Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation
 
Docket No. 50-323
 
cc:  See next page 
 
ML062400518), November 17, 2006 (ADAMS Accession No. ML063320484), and July 9, 2007 (ADAMS Accession No. ML072040054), Pacific Gas and Electric Company (PG&E, the licensee), submitted information summarizing the results of the 2006 steam generator (SG) tube inspections at Diablo Canyon Power Plant (DCPP), Unit 2. These inspections were performed during the 13th refueling outage (2R13). In addition to these reports, the U.S. Nuclear Regulatory Commission (NRC) staff summarized additional information concerning the 2006 SG tube inspections at DCPP Unit 2 in a letter dated August 24, 2006 (ADAMS Accession No.
ML062370004). Based on discussions with PG&E during October 2007, the NRC staff requested additional information regarding the inspection results. By letter dated November 19, 2007 (ADAMS Accession No. ML073320311), PG&E provided the additional requested information.  
 
The NRC staff has completed its review of the information contained in the November 19, 2007, letter and did not identify any issues that were not already addressed in our previous review provided to you on August 24, 2006. The NRC staff
=s review of the 2R13 SG tube inspection reports is complete and TAC No. MD7458 is closed.
 
If you have any questions regarding this matter, please contact me at (301) 415-1445.  
 
Sincerely,  
/RA/  
 
Alan B. Wang, Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation  
 
Docket No. 50-323  
 
cc: See next page DISTRIBUTION
: PUBLIC LPLIV Reading RidsNrrPMAWang RidsNrrLAJBurkhardt RidsNrrDciCsgb RidsNrrDorlLpl4 RidsAcrsAcnwMailCenter RidsRgn4MailCenter (VGaddy) RidsOgcRp KKarwoski, NRR/DCI/CSGB ADAMS Accession No.:  ML080360093  *Memo input  NRR-106 OFFICE LPL4/PM LPL4/LA DCI/CSGB/BC LPL4/BC  NAME AWang JBurkhardt AHiser THiltz DATE 2/8/08 2/7/08 1/30/08 2/8/08 Diablo Canyon Power Plant, Units 1 and 2
 
cc:
NRC Resident Inspector Diablo Canyon Power Plant c/o U.S. Nuclear Regulatory Commission P.O. Box 369 Avila Beach, CA 93424
 
Sierra Club San Lucia Chapter ATTN: Andrew Christie P.O. Box 15755 San Luis Obispo, CA  93406
 
Ms. Nancy Culver San Luis Obispo Mothers for Peace P.O. Box 164 Pismo Beach, CA 93448
 
Chairman San Luis Obispo County Board of Supervisors 1055 Monterey Street, Suite D430 San Luis Obispo, CA  93408
 
Mr. Truman Burns Mr. Robert Kinosian California Public Utilities Commission 505 Van Ness, Room 4102 San Francisco, CA 94102
 
Diablo Canyon Independent Safety Committee Attn:  Robert R. Wellington, Esq.
Legal Counsel 857 Cass Street, Suite D Monterey, CA 93940
 
Regional Adminstrator, Region IV U.S. Nuclear Regulatory Commission Harris Tower & Pavillion 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011-8064  Jennifer Post, Esq. Pacific Gas & Electric Company P.O. Box 7442 San Francisco, CA  94120
 
City Editor The Tribune 3825 South Higuera Street P.O. Box 112 San Luis, Obispo, CA 94306-0112
 
Director, Radiologic Health Branch State Department of Health Services P.O. Box 997414, MS 7610 Sacramento, CA  95899-7414
 
Mr. James Boyd, Commissioner California Energy Commission 1516 Ninth Street MS (31)
Sacramento, CA 95831
 
Mr. James R. Becker, Vice President Diablo Canyon Operations and Station Director Diablo Canyon Power Plant P.O. Box 56 Avila Beach, CA  93424
 
Jennifer Tang Field Representative United States Senator Barbara Boxer 1700 Montgomery Street, Suite 240 San Francisco, CA  94111


Mr. John T. Conway Site Vice President Diablo Canyon Power Plant P. O. Box 56 Avila Beach, California 93424}}
ML062400518), November 17, 2006 (ADAMS Accession No. ML063320484), and July 9, 2007 (ADAMS Accession No. ML072040054), Pacific Gas and Electric Company (PG&E, the licensee), submitted information summarizing the results of the 2006 steam generator (SG) tube inspections at Diablo Canyon Power Plant (DCPP), Unit 2. These inspections were performed during the 13th refueling outage (2R13). In addition to these reports, the U.S. Nuclear Regulatory Commission (NRC) staff summarized additional information concerning the 2006 SG tube inspections at DCPP Unit 2 in a letter dated August 24, 2006 (ADAMS Accession No. ML062370004). Based on discussions with PG&E during October 2007, the NRC staff requested additional information regarding the inspection results. By letter dated November 19, 2007 (ADAMS Accession No. ML073320311), PG&E provided the additional requested information.
The NRC staff has completed its review of the information contained in the November 19, 2007, letter and did not identify any issues that were not already addressed in our previous review provided to you on August 24, 2006. The NRC staff=s review of the 2R13 SG tube inspection reports is complete and TAC No. MD7458 is closed.
If you have any questions regarding this matter, please contact me at (301) 415-1445.
Sincerely,
                                                /RA/
Alan B. Wang, Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-323 cc: See next page DISTRIBUTION:
PUBLIC                            RidsNrrDciCsgb                    RidsOgcRp LPLIV Reading                      RidsNrrDorlLpl4                  KKarwoski, NRR/DCI/CSGB RidsNrrPMAWang                    RidsAcrsAcnwMailCenter RidsNrrLAJBurkhardt                RidsRgn4MailCenter (VGaddy)
ADAMS Accession No.: ML080360093                *Memo input          NRR-106 OFFICE        LPL4/PM                LPL4/LA              DCI/CSGB/BC        LPL4/BC NAME          AWang                  JBurkhardt          AHiser              THiltz DATE          2/8/08                  2/7/08              1/30/08            2/8/08 Diablo Canyon Power Plant, Units 1 and 2 cc:
NRC Resident Inspector                  Jennifer Post, Esq.
Diablo Canyon Power Plant                Pacific Gas & Electric Company c/o U.S. Nuclear Regulatory Commission  P.O. Box 7442 P.O. Box 369                            San Francisco, CA 94120 Avila Beach, CA 93424 City Editor Sierra Club San Lucia Chapter            The Tribune ATTN: Andrew Christie                    3825 South Higuera Street P.O. Box 15755                          P.O. Box 112 San Luis Obispo, CA 93406                San Luis, Obispo, CA 94306-0112 Ms. Nancy Culver                        Director, Radiologic Health Branch San Luis Obispo                          State Department of Health Services Mothers for Peace                      P.O. Box 997414, MS 7610 P.O. Box 164                            Sacramento, CA 95899-7414 Pismo Beach, CA 93448 Mr. James Boyd, Commissioner Chairman                                California Energy Commission San Luis Obispo County                  1516 Ninth Street MS (31)
Board of Supervisors                    Sacramento, CA 95831 1055 Monterey Street, Suite D430 San Luis Obispo, CA 93408                Mr. James R. Becker, Vice President Diablo Canyon Operations and Mr. Truman Burns                          Station Director Mr. Robert Kinosian                      Diablo Canyon Power Plant California Public Utilities Commission  P.O. Box 56 505 Van Ness, Room 4102                  Avila Beach, CA 93424 San Francisco, CA 94102 Jennifer Tang Diablo Canyon Independent Safety        Field Representative Committee                              United States Senator Barbara Boxer Attn: Robert R. Wellington, Esq.        1700 Montgomery Street, Suite 240 Legal Counsel                          San Francisco, CA 94111 857 Cass Street, Suite D Monterey, CA 93940                      Mr. John T. Conway Site Vice President Regional Adminstrator, Region IV        Diablo Canyon Power Plant U.S. Nuclear Regulatory Commission      P. O. Box 56 Harris Tower & Pavillion                Avila Beach, California 93424 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011-8064}}

Latest revision as of 07:16, 13 March 2020

Evaluation Regarding the 2006 (2R13) Steam Generator Tube Inspections
ML080360093
Person / Time
Site: Diablo Canyon Pacific Gas & Electric icon.png
Issue date: 02/08/2008
From: Wang A
NRC/NRR/ADRO/DORL/LPLIV
To: Keenan J
Pacific Gas & Electric Co
Wang, A B, NRR/DORL/LPLIV, 415-1445
References
TAC MD7458
Download: ML080360093 (3)


Text

February 8, 2008 Mr. John S. Keenan Senior Vice President B Generation and Chief Nuclear Officer Pacific Gas and Electric Company Diablo Canyon Power Plant P.O. Box 770000, Mail Code B32 San Francisco, CA 94177-0001

SUBJECT:

DIABLO CANYON POWER PLANT, UNIT NO. 2 - EVALUATION REGARDING THE 2006 STEAM GENERATOR TUBE INSPECTIONS (TAC NO. MD7458)

Dear Mr. Keenan:

By letters dated May 19, 2006 (Agencywide Document Access and Management System (ADAMS) Accession No. ML061450136), August 18, 2006 (ADAMS Accession No. ML062400518), November 17, 2006 (ADAMS Accession No. ML063320484), and July 9, 2007 (ADAMS Accession No. ML072040054), Pacific Gas and Electric Company (PG&E, the licensee), submitted information summarizing the results of the 2006 steam generator (SG) tube inspections at Diablo Canyon Power Plant (DCPP), Unit 2. These inspections were performed during the 13th refueling outage (2R13). In addition to these reports, the U.S. Nuclear Regulatory Commission (NRC) staff summarized additional information concerning the 2006 SG tube inspections at DCPP Unit 2 in a letter dated August 24, 2006 (ADAMS Accession No. ML062370004). Based on discussions with PG&E during October 2007, the NRC staff requested additional information regarding the inspection results. By letter dated November 19, 2007 (ADAMS Accession No. ML073320311), PG&E provided the additional requested information.

The NRC staff has completed its review of the information contained in the November 19, 2007, letter and did not identify any issues that were not already addressed in our previous review provided to you on August 24, 2006. The NRC staff=s review of the 2R13 SG tube inspection reports is complete and TAC No. MD7458 is closed.

If you have any questions regarding this matter, please contact me at (301) 415-1445.

Sincerely,

/RA/

Alan B. Wang, Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-323 cc: See next page

ML062400518), November 17, 2006 (ADAMS Accession No. ML063320484), and July 9, 2007 (ADAMS Accession No. ML072040054), Pacific Gas and Electric Company (PG&E, the licensee), submitted information summarizing the results of the 2006 steam generator (SG) tube inspections at Diablo Canyon Power Plant (DCPP), Unit 2. These inspections were performed during the 13th refueling outage (2R13). In addition to these reports, the U.S. Nuclear Regulatory Commission (NRC) staff summarized additional information concerning the 2006 SG tube inspections at DCPP Unit 2 in a letter dated August 24, 2006 (ADAMS Accession No. ML062370004). Based on discussions with PG&E during October 2007, the NRC staff requested additional information regarding the inspection results. By letter dated November 19, 2007 (ADAMS Accession No. ML073320311), PG&E provided the additional requested information.

The NRC staff has completed its review of the information contained in the November 19, 2007, letter and did not identify any issues that were not already addressed in our previous review provided to you on August 24, 2006. The NRC staff=s review of the 2R13 SG tube inspection reports is complete and TAC No. MD7458 is closed.

If you have any questions regarding this matter, please contact me at (301) 415-1445.

Sincerely,

/RA/

Alan B. Wang, Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-323 cc: See next page DISTRIBUTION:

PUBLIC RidsNrrDciCsgb RidsOgcRp LPLIV Reading RidsNrrDorlLpl4 KKarwoski, NRR/DCI/CSGB RidsNrrPMAWang RidsAcrsAcnwMailCenter RidsNrrLAJBurkhardt RidsRgn4MailCenter (VGaddy)

ADAMS Accession No.: ML080360093 *Memo input NRR-106 OFFICE LPL4/PM LPL4/LA DCI/CSGB/BC LPL4/BC NAME AWang JBurkhardt AHiser THiltz DATE 2/8/08 2/7/08 1/30/08 2/8/08 Diablo Canyon Power Plant, Units 1 and 2 cc:

NRC Resident Inspector Jennifer Post, Esq.

Diablo Canyon Power Plant Pacific Gas & Electric Company c/o U.S. Nuclear Regulatory Commission P.O. Box 7442 P.O. Box 369 San Francisco, CA 94120 Avila Beach, CA 93424 City Editor Sierra Club San Lucia Chapter The Tribune ATTN: Andrew Christie 3825 South Higuera Street P.O. Box 15755 P.O. Box 112 San Luis Obispo, CA 93406 San Luis, Obispo, CA 94306-0112 Ms. Nancy Culver Director, Radiologic Health Branch San Luis Obispo State Department of Health Services Mothers for Peace P.O. Box 997414, MS 7610 P.O. Box 164 Sacramento, CA 95899-7414 Pismo Beach, CA 93448 Mr. James Boyd, Commissioner Chairman California Energy Commission San Luis Obispo County 1516 Ninth Street MS (31)

Board of Supervisors Sacramento, CA 95831 1055 Monterey Street, Suite D430 San Luis Obispo, CA 93408 Mr. James R. Becker, Vice President Diablo Canyon Operations and Mr. Truman Burns Station Director Mr. Robert Kinosian Diablo Canyon Power Plant California Public Utilities Commission P.O. Box 56 505 Van Ness, Room 4102 Avila Beach, CA 93424 San Francisco, CA 94102 Jennifer Tang Diablo Canyon Independent Safety Field Representative Committee United States Senator Barbara Boxer Attn: Robert R. Wellington, Esq. 1700 Montgomery Street, Suite 240 Legal Counsel San Francisco, CA 94111 857 Cass Street, Suite D Monterey, CA 93940 Mr. John T. Conway Site Vice President Regional Adminstrator, Region IV Diablo Canyon Power Plant U.S. Nuclear Regulatory Commission P. O. Box 56 Harris Tower & Pavillion Avila Beach, California 93424 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011-8064