ML14051A431

Summary of Telephone Conferene Call Held on January 29, 2014, Between the NRC and Exelon Generating Company, Llc., Concerning RAI Set 10, for the Byron and Braidwood Station License Renewal Application (TAC Nos. MF1879, MF1880, MF1881, and

ML14051A431
Person / Time
Site:	Byron, Braidwood
Issue date:	03/04/2014
From:	Daily J License Renewal Projects Branch 1
To:	Exelon Generation Co
References
TAC MF1879, TAC MF1880, TAC MF1881, TAC MF1882
Download: ML14051A431 (5)

Text

AEG(t UNITED STATES ._... (</ .,"".:;,

NUCLEAR REGULATORY COMMISSION ¥* -,). g WASHINGTON, D.C. 20555-0001

;*; .--. -.,., March 4, 2014

...,.o' ""***"' LICENSEE:

Exelon Generation Company, LLC FACILITY:

Byron Station, Units 1 and 2, and Braidwood Station, Units 1 and 2

SUMMARY

OF TELEPHONE CONFERENCE CALL HELD ON JANUARY 29, 2014, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND EXELON GENERATION COMPANY, LLC, CONCERNING RAI SET 10, FOR THE BYRON STATION AND BRAIDWOOD STATION LICENSE RENEWAL APPLICATION (TAC NOS. MF1879, MF1880, MF1881, AND MF1882) The U S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Exelon Generation Company, LLC {Exelon or the applicant), held a telephone conference call on January 29, 2014, to discuss Request for Additional Information (RAI) Set 10 RAis for the Byron Station (Byron) and Braidwood Station (Braidwood) license renewal application (LRA). The telephone conference call was useful in clarifying the RAis. Enclosure 1 provides a listing of the participants and Enclosure 2 contains a summary of the discussion.

The applicant had an opportunity to comment on this summary.

Projects Branch 1 Division of License Renewal Office of Nuclear Reactor Regulation Docket Nos. 50-454, 50-455, 50-456, and 50-457

Enclosures:

1 List of Participants

2. Discussion summary cc w/encls: Listserv March 4, 2014 LICENSEE:

Exelon Generation Company, LLC. FACILITY:

Byron Station, Units 1 and 2, and Braidwood Station, Units 1 and 2

SUMMARY

OF TELEPHONE CONFERENCE CALL HELD ON JANUARY 29, 2014, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND EXELON GENERATION COMPANY, LLC, CONCERNING RAI SET 10, FOR THE BYRON STATION AND BRAIDWOOD STATION LICENSE RENEWAL APPLICATION (TAC NOS. MF1879, MF1880, MF1881, AND MF1882) The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Exelon Generation Company, LLC (Exelon or the applicant), held a telephone conference call on January 29, 2014, to discuss Request for Additional Information (RAI) Set 10 RAis for the Byron Station (Byron) and Braidwood Station (Braidwood) license renewal application (LRA). The telephone conference call was useful in clarifying the RAls. Enclosure 1 provides a listing of the participants and Enclosure 2 contains a summary of the discussion.

The applicant had an opportunity to comment on this summary. IRA/ John Daily, Senior Project Manager Projects Branch 1 Division of License Renewal Office of Nuclear Reactor Regulation Docket Nos. 50-454, 50-455, 50-456, and 50-457

Enclosures:

1. List of Participants

2. Discussion summary cc w/encls: Listserv DISTRIBUTION:

See next page ADAMS Accession No* ML 14051A431

• concurred via email OFFICE LA:RPB1 :DLR PM:RPB1 :DLR BC:RPB1 :DLR PM:RPB1:DLR NAME YEdmonds JDaily YDiazSanabria JDaily DATE 212612014 212712014 31312014 3/412014 OFFICIAL RECORD COPY TELEPHONE CONFERENCE CALL BYRON AND BRAIDWOOD STATIONS LICENSE RENEWAL APPLICATION, RAI SET 10 (CALL #2) LIST OF PARTICIPANTS January 29, 2014 PARTICIPANTS AFFILIATIONS John Daily Nuclear Regulatory Commission (NRC) James Medoff NRC ' On Yee NRC Mark Yoo NRC John Hufnagel Exelon Generation Company, LLC (Exelon} Don Warfel : Exelon !----* AI Fulvia Exelon Albert Piha Exelon ' Tom Quintenz Exelon Phil O'Donnell Exelon Pete Tamburro Exelon Gary Becknell Exelon Don Brindle Exelon Ralph Walen Exelon *-Charlie Meyer Westinghouse Mark Gray I Westinghouse , Chris Kupper Westinghouse

• -ENCLOSURE 1 '

SUMMARY

OF TELEPHONE CONFERENCE CALL FOR RAI SET 10 (CALL#2), FOR THE BYRON AND BRAIDWOOD LICENSE RENEWAL APPLICATION January 29, 2014 The U.S_ Nuclear Regulatory Commission (NRC or the staff) and representatives of Exelon Generation Company, LLC (Exelon or the applicant), held a telephone conference call on January 29, 2014, to discuss Set 10 RAis for the Byron and Braidwood license renewal application (LRA). The telephone conference call was useful in clarifying the RAis. Discussion The staff and the applicant discussed the following RAls from RAI Set 10:

• RAI4.1-1

• RAI4.1-2

• RAI 4.3.1-2, this RAI is removed from the set, per technical reviewer request, for further considerations before being presented.

• RAI4.3.1-4, correcting a typographical error in a Table designation.

• RAis 4.3.4-4, RAI 4.3.4-5, and RAI 4.3.4-6, these RAis will be edited to note that a sample set of locations and eliminated component(s) might be acceptable provided a justification of sufficient detail is also supplied to explain that this sample set is bounding for the cases presented.

• RAI 4.3. 7-1, the request would be revised to reflect the staff is interested in identification of pressurizer surge line stratification sub-transients in the current licensing basis. The applicant indicated it understood the RAis of Set 10 and will factor in the staff's concerns as it prepares its response.

ENCLOSURE 2

SUBJECT

SUMMARY

OF TELEPHONE CONFERENCE CALL HELD ON JANUARY 29, 2014, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND EXELON GENERATION COMPANY, LLC, CONCERNING RAI SET 10, FOR THE BYRON STATION AND BRAIDWOOD STATION LICENSE RENEWAL APPLICATION (TAC NOS. MF1879, MF1880, MF1881, AND MF1882) DISTRIBUTION.

E-MAIL: PUBLIC RidsNrrDir Resource RidsNrrDirRpb1 Resource RidsNrrDirRpb2 Resource RidsNrrPMByron Resource RidsNrrPMBraidwood Resource RidsOgcMaiiCenter JDaily LRobinson DMclntyre, OPA EOuncan, Rill JBenjamin, SRI Braidwood Station, Rill AGarmoe, Rl Braidwood Station, Rill JMcGee, SRI Byron Station, Rill JRobbins, Rl Byron Station, Rill VMitlyng, Rill PChandrathil, Rill