ML083170553: Difference between revisions

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By letter dated June 27, 2008 to the U.S. Nuclear Regulatory Commission (NRC)
By letter dated June 27, 2008 to the U.S. Nuclear Regulatory Commission (NRC)
(Agencywide Documents Access and Management System (ADAMS) Accession No.
(Agencywide Documents Access and Management System (ADAMS) Accession No. ML081830421), as supplemented by letter dated August 13, 2008 (ADAMS Accession No. ML082280080); Southern California Edison (SCE, the licensee) requested amendments to the San Onofre Nuclear Generating Station, Units 2 and 3, Facility Operating Licenses and Technical Specifications (TS) 3.4.17, "Steam Generator Tube Integrity," 5.5.2.11, "Steam Generator Program," 5.5.2.15, "Containment Leakage Rate Testing Program," and 5.7.2.c, "Special Reports," and is in support of the replacement of the steam generators.
ML081830421), as supplemented by letter dated August 13, 2008 (ADAMS Accession No.
ML082280080); Southern California Edison (SCE, the licensee) requested amendments to the San Onofre Nuclear Generating Station, Units 2 and 3, Facility Operating Licenses and Technical Specifications (TS) 3.4.17, "Steam Generator Tube Integrity," 5.5.2.11, "Steam Generator Program," 5.5.2.15, "Containment Leakage Rate Testing Program," and 5.7.2.c, "Special Reports," and is in support of the replacement of the steam generators.
The NRC staff has reviewed your submittal and determined that additional information is needed to complete the review. We discussed this need on December 2, 2008, with Ms. Conklin of your staff and Ms. Conklin agreed to provide a response within 60 days from the receipt of this letter.
The NRC staff has reviewed your submittal and determined that additional information is needed to complete the review. We discussed this need on December 2, 2008, with Ms. Conklin of your staff and Ms. Conklin agreed to provide a response within 60 days from the receipt of this letter.
The NRC staff considers that timely responses to requests for additional information help ensure sufficient time is available for staff review and contribute toward the NRC's goal of efficient and effective use of staff resources. If you have any questions, please contact me at (301) 415-1480.
The NRC staff considers that timely responses to requests for additional information help ensure sufficient time is available for staff review and contribute toward the NRC's goal of efficient and effective use of staff resources. If you have any questions, please contact me at (301) 415-1480.
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REQUEST FOR ADDITIONAL INFORMATION SOUTHERN CALIFORNIA EDISON SAN ONOFRE NUCLEAR GENERATING STATION, UNITS 2 AND 3 DOCKET NOS. 50-361 AND 50-362 TAC NOS. MD9160 AND MD9161 By letter dated June 27, 2008 to the U.S. Nuclear Regulatory Commission (NRC)
REQUEST FOR ADDITIONAL INFORMATION SOUTHERN CALIFORNIA EDISON SAN ONOFRE NUCLEAR GENERATING STATION, UNITS 2 AND 3 DOCKET NOS. 50-361 AND 50-362 TAC NOS. MD9160 AND MD9161 By letter dated June 27, 2008 to the U.S. Nuclear Regulatory Commission (NRC)
(Agencywide Documents Access and Management System (ADAMS) Accession No.
(Agencywide Documents Access and Management System (ADAMS) Accession No. ML081830421), as supplemented by letter dated August 13, 2008 (ADAMS Accession No ML082280080), Southern California Edison, (SCE, the licensee), submitted a license amendment request to the San Onofre Nuclear Generating Station (SONGS), Units 2 and 3 Facility Operating Licenses and Technical Specifications (TS).
ML081830421), as supplemented by letter dated August 13, 2008 (ADAMS Accession No ML082280080), Southern California Edison, (SCE, the licensee), submitted a license amendment request to the San Onofre Nuclear Generating Station (SONGS), Units 2 and 3 Facility Operating Licenses and Technical Specifications (TS).
The proposed changes revise TS 3.4.17, "Steam Generator Tube Integrity," TS 5.5.2.11, "Steam Generator Program," TS 5.5.2.15, "Containment Leakage Rate Testing Program," and TS 5.7.2.c, "Special Reports," and are in support of the replacement of the steam generators at SONGS 2 and 3. In order for the staff to review the steam generator (SG) portion of the submittal, the following additional information is requested.
The proposed changes revise TS 3.4.17, "Steam Generator Tube Integrity," TS 5.5.2.11, "Steam Generator Program," TS 5.5.2.15, "Containment Leakage Rate Testing Program," and TS 5.7.2.c, "Special Reports," and are in support of the replacement of the steam generators at SONGS 2 and 3. In order for the staff to review the steam generator (SG) portion of the submittal, the following additional information is requested.
: 1.      In the letter dated August 13, 2008, SCE indicated that the 35 percent depth-based tube repair criterion remains appropriate for the replacement SGs. Please confirm that the determination of the tube repair criteria was performed in accordance with Regulatory Guide 1.121, "Bases for Plugging Degraded PWR Steam Generator Tubes." In addition, please provide the tube size (diameter and wall thickness) and the design differential pressure across the tubes during normal operation.
: 1.      In the letter dated August 13, 2008, SCE indicated that the 35 percent depth-based tube repair criterion remains appropriate for the replacement SGs. Please confirm that the determination of the tube repair criteria was performed in accordance with Regulatory Guide 1.121, "Bases for Plugging Degraded PWR Steam Generator Tubes." In addition, please provide the tube size (diameter and wall thickness) and the design differential pressure across the tubes during normal operation.
Line 51: Line 48:
By letter dated June 27, 2008 to the U.S. Nuclear Regulatory Commission (NRC)
By letter dated June 27, 2008 to the U.S. Nuclear Regulatory Commission (NRC)
(Agencywide Documents Access and Management System (ADAMS) Accession l'Jo.
(Agencywide Documents Access and Management System (ADAMS) Accession l'Jo.
ML081830421), as supplemented by letter dated August 13, 2008 (ADAMS Accession No.
ML081830421), as supplemented by letter dated August 13, 2008 (ADAMS Accession No. ML082280080); Southern California Edison (SCE, the licensee) requested amendments to the San Onofre Nuclear Generating Station, Units 2 and 3, Facility Operating Licenses and Technical Specifications (TS) 3.4.17, "Steam Generator Tube Integrity," 5.5.2.11, "Steam Generator Program," 5.5.2.15, "Containment Leakage Rate Testing Program," and 5.7.2.c, "Special Reports," and is in support of the replacement of the steam generators.
ML082280080); Southern California Edison (SCE, the licensee) requested amendments to the San Onofre Nuclear Generating Station, Units 2 and 3, Facility Operating Licenses and Technical Specifications (TS) 3.4.17, "Steam Generator Tube Integrity," 5.5.2.11, "Steam Generator Program," 5.5.2.15, "Containment Leakage Rate Testing Program," and 5.7.2.c, "Special Reports," and is in support of the replacement of the steam generators.
The NRC staff has reviewed your submittal and determined that additional information is needed to complete the review. We discussed this need on December 2, 2008, with Ms. Conklin of your staff and Ms. Conklin agreed to provide a response within 60 days from the receipt of this letter.
The NRC staff has reviewed your submittal and determined that additional information is needed to complete the review. We discussed this need on December 2, 2008, with Ms. Conklin of your staff and Ms. Conklin agreed to provide a response within 60 days from the receipt of this letter.
The NRC staff considers that timely responses to requests for additional information help ensure sufficient time is available for staff review and contribute toward the NRC's goal of efficient and effective use of staff resources. If you have any questions, please contact me at (301) 415-1480.
The NRC staff considers that timely responses to requests for additional information help ensure sufficient time is available for staff review and contribute toward the NRC's goal of efficient and effective use of staff resources. If you have any questions, please contact me at (301) 415-1480.

Latest revision as of 19:46, 12 March 2020

Request for Additional Information, License Amendment Request to Support Replacement Steam Generators
ML083170553
Person / Time
Site: San Onofre  Southern California Edison icon.png
Issue date: 12/08/2008
From: Kalyanam N
Plant Licensing Branch IV
To: Ridenoure R
Southern California Edison Co
Kalyanam N, NRR/DLPM, 415-1480
References
TAC MD9160, TAC MD9161
Download: ML083170553 (3)
v • d • e


Text

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555*0001 December 8, 2008 Mr. Ross T. Ridenoure Senior Vice President and Chief Nuclear Officer Southern California Edison Company San Onofre Nuclear Generating Station P.O. Box 128 San Clemente, CA 92674-0128

SUBJECT:

SAN ONOFRE NUCLEAR GENERATING STATION, UNITS 2 AND 3 REQUEST FOR ADDITIONAL INFORMATION REGARDING THE LICENSE AMENDMENT REQUEST TO SUPPORT REPLACEMENT STEAM GENERATORS (TAC NOS. MD9160 AND MD9161)

Dear Mr. Ridenoure:

By letter dated June 27, 2008 to the U.S. Nuclear Regulatory Commission (NRC)

(Agencywide Documents Access and Management System (ADAMS) Accession No. ML081830421), as supplemented by letter dated August 13, 2008 (ADAMS Accession No. ML082280080); Southern California Edison (SCE, the licensee) requested amendments to the San Onofre Nuclear Generating Station, Units 2 and 3, Facility Operating Licenses and Technical Specifications (TS) 3.4.17, "Steam Generator Tube Integrity," 5.5.2.11, "Steam Generator Program," 5.5.2.15, "Containment Leakage Rate Testing Program," and 5.7.2.c, "Special Reports," and is in support of the replacement of the steam generators.

The NRC staff has reviewed your submittal and determined that additional information is needed to complete the review. We discussed this need on December 2, 2008, with Ms. Conklin of your staff and Ms. Conklin agreed to provide a response within 60 days from the receipt of this letter.

The NRC staff considers that timely responses to requests for additional information help ensure sufficient time is available for staff review and contribute toward the NRC's goal of efficient and effective use of staff resources. If you have any questions, please contact me at (301) 415-1480.

Sincerely, N. Kalyanam, Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-361 and 50-362

Enclosure:

As stated cc w/encl: Distribution via ListServ

REQUEST FOR ADDITIONAL INFORMATION SOUTHERN CALIFORNIA EDISON SAN ONOFRE NUCLEAR GENERATING STATION, UNITS 2 AND 3 DOCKET NOS. 50-361 AND 50-362 TAC NOS. MD9160 AND MD9161 By letter dated June 27, 2008 to the U.S. Nuclear Regulatory Commission (NRC)

(Agencywide Documents Access and Management System (ADAMS) Accession No. ML081830421), as supplemented by letter dated August 13, 2008 (ADAMS Accession No ML082280080), Southern California Edison, (SCE, the licensee), submitted a license amendment request to the San Onofre Nuclear Generating Station (SONGS), Units 2 and 3 Facility Operating Licenses and Technical Specifications (TS).

The proposed changes revise TS 3.4.17, "Steam Generator Tube Integrity," TS 5.5.2.11, "Steam Generator Program," TS 5.5.2.15, "Containment Leakage Rate Testing Program," and TS 5.7.2.c, "Special Reports," and are in support of the replacement of the steam generators at SONGS 2 and 3. In order for the staff to review the steam generator (SG) portion of the submittal, the following additional information is requested.

1. In the letter dated August 13, 2008, SCE indicated that the 35 percent depth-based tube repair criterion remains appropriate for the replacement SGs. Please confirm that the determination of the tube repair criteria was performed in accordance with Regulatory Guide 1.121, "Bases for Plugging Degraded PWR Steam Generator Tubes." In addition, please provide the tube size (diameter and wall thickness) and the design differential pressure across the tubes during normal operation.

December 8, 2008 Mr. Ross T. Ridenoure Senior Vice President and Chief Nuclear Officer Southern California Edison Company San Onofre Nuclear Generating Station P.O. Box 128 San Clemente, CA 92674-0128

SUBJECT:

SAN ONOFRE NUCLEAR GENERATING STATION, UNITS 2 AND 3 REQUEST FOR ADDITIONAL INFORMATION REGARDING THE LICENSE AMENDMENT REQUEST TO SUPPORT REPLACEMENT STEAM GENERATORS (TAC NOS. MD9160 & MD9161)

Dear Mr. Ridenoure:

By letter dated June 27, 2008 to the U.S. Nuclear Regulatory Commission (NRC)

(Agencywide Documents Access and Management System (ADAMS) Accession l'Jo.

ML081830421), as supplemented by letter dated August 13, 2008 (ADAMS Accession No. ML082280080); Southern California Edison (SCE, the licensee) requested amendments to the San Onofre Nuclear Generating Station, Units 2 and 3, Facility Operating Licenses and Technical Specifications (TS) 3.4.17, "Steam Generator Tube Integrity," 5.5.2.11, "Steam Generator Program," 5.5.2.15, "Containment Leakage Rate Testing Program," and 5.7.2.c, "Special Reports," and is in support of the replacement of the steam generators.

The NRC staff has reviewed your submittal and determined that additional information is needed to complete the review. We discussed this need on December 2, 2008, with Ms. Conklin of your staff and Ms. Conklin agreed to provide a response within 60 days from the receipt of this letter.

The NRC staff considers that timely responses to requests for additional information help ensure sufficient time is available for staff review and contribute toward the NRC's goal of efficient and effective use of staff resources. If you have any questions, please contact me at (301) 415-1480.

Sincerely, N. K'I~~Aam, Project Manager Plant Licensing Branch IV Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-361 and 50-362

Enclosure:

As stated cc w/encl: See next page DISTRIBUTION:

PUBLIC RidsNrrDorlDpr RidsNrrPMSanOnofre LPLIV r/f RidsNrrDorlLpl4 RidsOgcRp RidsAcrsAcnw&mMailCenter RidsNrrLAGLappert RidsRgn4MailCenter RidsNrrDssScvb A Obod ,N ADAMS Accession No. ML083170553 OFFICE NRR/LPL4/,P,M NRR/LP NAME NKalyanam GLappe AHiser DATE 11125/08 10/30108 (*)

o ICIAL RECORD COPY

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