ML14035A189
| ML14035A189 | |
| Person / Time | |
|---|---|
| Site: | Byron, Braidwood  |
| Issue date: | 02/20/2014 |
| From: | Robinson L License Renewal Projects Branch 1 |
| To: | Exelon Generation Co |
| Robinson, L R 415-4115 | |
| References | |
| TAC MF1879, TAC MF1880, TAC MF1881, TAC MF1882 | |
| Download: ML14035A189 (7) | |
Text
LICENSEE: Exelon Generation Company, LLC FACILITY: Byron Station, Units 1 and 2 Braidwood Station, Units 1 and 2
SUBJECT:
SUMMARY
OF TELEPHONE CONFERENCE CALL HELD ON JANUARY 30, 2014, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND EXELON GENERATION COMPANY, LLC, CONCERNING DRAFT REQUEST FOR ADDITIONAL INFORMATION PERTAINING TO THE BYRON STATION AND BRAIDWOOD STATION, LICENSE RENEWAL APPLICATION (TAC NOS.
MF1879, MF1880, MF1881, MF1882)
The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Exelon Generation Company, LLC, (Exelon) held a telephone conference call on January 30, 2014, to discuss and clarify the staff's draft requests for additional information (ORAls), Set 12, concerning the Byron Station, Units 1 and 2, and the Braidwood Station, Units 1 and 2, license renewal application. The telephone conference call was useful in clarifying the intent of the staff's ORAls. provides a listing of the participants and Enclosure 2 contains a listing of the ORAls discussed with the applicant, including a brief description on the status of the items.
The applicant had an opportunity to comment on this summary.
Lindsay Robinson, 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. List of Draft Request for Additional Information cc w/encls: Listserv
- .. ML14035A189 OFFICE LA:DLR PM: RPB1 :DLR PM:RPB1 :DLR BC:RPB1 :DLR PM:RPB1 :DLR NAME IKing LRobinson JDaily YDiazSanabria LRobinson DATE 2/4/14 2/19/14 2/20/14 2/20/14 2/20/14
SUBJECT:
SUMMARY
OF TELEPHONE CONFERENCE CALL HELD ON JANUARY 30, 2014, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND EXELON GENERATION COMPANY, LLC, CONCERNING DRAFT REQUEST FOR ADDITIONAL INFORMATION PERTAINING TO THE BYRON STATION AND BRAIDWOOD STATION, LICENSE RENEWAL APPLICATION (TAC NOS.
MF1879, MF1880, MF1881, MF1882)
DISTRIBUTION EMAIL:
PUBLIC RidsNrrDir Resource RidsNrrDirRpb1 Resource RidsNrrDirRpb2 Resource RidsOgcMaiiCenter RidsNrrPMByron Resource RidsNrrPMBraidwood Resource LRobinson JDaily DMclntyre, OPA EDuncan, Rill JBenjamin, Rill AGarmoe, Rill JMcGhee, Rill JRobbins, Rill VMitlyng, Rill PChandrathil, Rill
TELEPHONE CONFERENCE CALL BYRON STATION, UNITS 1 AND 2, AND BRAIDWOOD STATION, UNITS 1 AND 2 LICENSE RENEWAL APPLICATION LIST OF PARTICIPANTS January 30, 2014 PARTICIPANTS AFFILIATIONS Lindsay Robinson U.S. Nuclear Regulatory Commission (NRC)
Ed Smith NRC John Hufnagel Exelon Generating Company, LLC (Exelon)
Albert Piha Exelon AI Fulvio Exelon Don Warfel Exelon Paul Weyhmuller Exelon Casey Muggleston Exelon Don Brindle Exelon John Hilditch Exelon ENCLOSURE 1
DRAFT REQUEST FOR ADDITIONAL INFORMATION BYRON STATION, UNITS 1 AND 2, AND BRAIDWOOD STATION, UNITS 1 AND 2, LICENSE RENEWAL APPLICATION January 30, 2014 The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Exelon Generation Company, LLC, (Exelon) held a telephone conference call on January 30, 2014, to discuss and clarify the following draft requests for additional information (ORAls) concerning the Byron Station, Units 1 and 2, and the Braidwood Station, Units 1 and 2, license renewal application (LRA).
DRAI2.2-1 Applicability:
Byron Station (Byron) and Braidwood Station (Braidwood)
Background:
License renewal application (LRA) Section 2.2 provides the results of applying the license renewal seeping criteria, described in LRA Section 2.1, to the systems, structures, and components (SSCs). The results are presented in LRA Table 2.2-1.
Issue:
The following Updated Final Safety Analysis Report (UFSAR) systems could not be located in LRA Table 2.2-1:
UFSAR Section System 3.9.2.7 Loose Parts Monitoring System Loose Parts Monitoring System E.17 Plant Safety Parameter Display Safety Parameter Display System System Request:
Please provide information explaining where these systems are considered in licenses renewal application or provide justification for their exclusion.
Discussion: The applicant noted minor editorial changes and requested clarity on the request.
Following the discussion, the staff requested the applicant capture its response as an officially docketed RAI response. This ORAl will be sent as a formal RAI titled "RAI 2.2-1."
ORAl 2.3.3.18-1 Applicability:
Byron ENCLOSURE 2
Background:
LRA Section 2.1, "Scoping and Screening Methodology," describes the applicant's scoping methodology, which specifies how systems or components were determined to be included in scope of license renewal. The staff confirms the inclusion of all components subject to aging management review (AMR) by reviewing the results of the screening of components within the license renewal boundary.
Issue:
License renewal drawing LR-BYR-M-78 Sheet 7 (C8 and 05) has in scope continuations toM-44 Sheet 3C. Drawing M-44 Sheet 3C was not provided with the LRA.
Request:
The staff requests the applicant provide sufficient information to locate the license renewal boundary. If the continuation cannot be shown on license renewal boundary drawings, then provide additional information describing the extent of the scoping boundary and verify whether or not there are additional component types subject to AMR between the continuation and the termination of the scoping boundary. If the scoping classification of a section of the piping changes over the continuation, provide additional information to clarify the change in scoping classification.
Discussion: The applicant requested clarity on the staffs request. Following the discussion, the staff requested the applicant capture its response as an officially docketed RAI response.
This ORAl will be sent as a formal RAI titled "RAI2.3.3.18-1."
ORAl 2.3.3.18-2 Applicability:
Braidwood
Background:
LRA Section 2.1, "Scoping and Screening Methodology," describes the applicant's scoping methodology, which specifies how systems or components were determined to be included in scope of license renewal. The staff confirms the inclusion of all components subject to AMR by reviewing the results of the screening of components within the license renewal boundary.
Issue:
On license renewal drawing LR-BRW-M-78 Sheet 6 (C4), the continuation of piping in scope for license renewal was not provided for the continuation of line 1PR23B 2.
Request:
The staff requests the applicant provide additional information to locate the license renewal boundary. If the continuation cannot be shown on license renewal boundary drawings, then provide additional information describing the extent of the scoping boundary and verify whether
or not there are additional component types subject to AMR between the continuation and the termination of the seeping boundary. If the seeping classification of a section of the piping changes over the continuation, provide additional information to clarify the change in seeping classification.
Discussion: The applicant requested clarity on the staff's request. Following the discussion, the staff requested the applicant capture its response as an officially docketed RAI response.
This ORAl will be sent as a formal RAI titled "RAI 2.3.3.18-2."