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| issue date = 09/14/2011
| issue date = 09/14/2011
| title = 8/25/11 - Summary of Telephone Conference Call Between NRC and Energy Northwest Concerning Drais Pertaining to the SAMA Review of the Columbia Generating Station License Renewal Application
| title = 8/25/11 - Summary of Telephone Conference Call Between NRC and Energy Northwest Concerning Drais Pertaining to the SAMA Review of the Columbia Generating Station License Renewal Application
| author name = Doyle D I
| author name = Doyle D
| author affiliation = NRC/NRR/DLR/RPB2
| author affiliation = NRC/NRR/DLR/RPB2
| addressee name =  
| addressee name =  
Line 9: Line 9:
| docket = 05000397
| docket = 05000397
| license number = NPF-021
| license number = NPF-021
| contact person = Doyle D I, 415-3748
| contact person = Doyle D, 415-3748
| document type = Memoranda, Meeting Summary, Request for Additional Information (RAI)
| document type = Memoranda, Meeting Summary, Request for Additional Information (RAI)
| page count = 7
| page count = 7
Line 17: Line 17:


=Text=
=Text=
{{#Wiki_filter:\-,<-",11 UNITED +"c. ;'01' NUCLEAR REGULATORY  
{{#Wiki_filter:\-,<-",11 REGu~                                      UNITED STATES
!! WASHINGTON, D.C. 20555-0001  
  +"c.                 ;'01'                 NUCLEAR REGULATORY COMMISSION
<C 0 September 14,2011 1--? ****....
!!                         ~                          WASHINGTON, D.C. 20555-0001
Energy Northwest Columbia Generating Station  
<C                           0
;.;                                                        September 14,2011
  ~                      ~
1--?               ~o
          ****.. .
LICENSEE:        Energy Northwest FACILITY:        Columbia Generating Station
 
==SUBJECT:==


==SUMMARY==
==SUMMARY==
OF TELEPHONE CONFERENCE CALL HELD ON AUGUST 25, 2011, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND ENERGY NORTHWEST CONCERNING DRAFT REQUESTS FOR ADDITIONAL INFORMATION PERTAINING TO THE SEVERE ACCIDENT MITIGATION ALTERNATIVES REVIEW OF THE COLUMBIA GENERATING STATION LICENSE RENEWAL APPLICATION The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Energy Northwest (the applicant) held a telephone conference call on August 25, 2011, to discuss draft requests for additional information concerning the Severe Accident Mitigation Alternatives review of the Columbia Generating Station license renewal application.
OF TELEPHONE CONFERENCE CALL HELD ON AUGUST 25, 2011, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND ENERGY NORTHWEST CONCERNING DRAFT REQUESTS FOR ADDITIONAL INFORMATION PERTAINING TO THE SEVERE ACCIDENT MITIGATION ALTERNATIVES REVIEW OF THE COLUMBIA GENERATING STATION LICENSE RENEWAL APPLICATION The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Energy Northwest (the applicant) held a telephone conference call on August 25, 2011, to discuss draft requests for additional information concerning the Severe Accident Mitigation Alternatives review of the Columbia Generating Station license renewal application.
Enclosure 1 provides a list of the participants and Enclosure 2 contains a list of the draft requests for additional information including a brief description of the status of the items. The applicant had an opportunity to comment on this summary. Daniel I. Doyle, roject Manager Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation Docket No. 50-397  
Enclosure 1 provides a list of the participants and Enclosure 2 contains a list of the draft requests for additional information including a brief description of the status of the items.
The applicant had an opportunity to comment on this summary.
Daniel I. Doyle, roject Manager Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation Docket No. 50-397


==Enclosures:==
==Enclosures:==
: 1. List of Participants  
: 1. List of Participants
: 2. List of Draft Requests for Additional Information cc w/encls: Listserv LIST OF COLUMBIA GENERATING LICENSE RENEWAL SEVERE ACCIDENT MITIGATION ALTERNATIVES PARTICIPANTS Daniel Doyle Arthur Cunanan Ray Gallucci William Holston Maxwell Smith David Wrona Abbas A. Mostala Albert T. Chiang Marsha Eades Jerral E. "Dusty" Rhoads Blake Smith Jim Tansy John Twomey TELEPHONE CONFERENCE CALL AUGUST 25, 2011 AFFILIATIONS U.S. Nuclear Regulatory Commission (NRC) NRC NRC NRC NRC NRC Energy Northwest (EN) EN EN EN EN EN EN ENCLOSURE REQUESTS FOR ADDITIONAL COLUMBIA GENERATING LICENSE RENEWAL SEVERE ACCIDENT MITIGATION ALTERNATIVES AUGUST 25, The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of the applicant, Energy Northwest (EN), held a telephone conference call on August 25,2011, to discuss and clarify the following draft requests for additional information (RAls) concerning the Severe Accident Mitigation Alternatives (SAMA) review of the Columbia Generating Station (CGS) license renewal application.  
: 2. List of Draft Requests for Additional Information cc w/encls: Listserv
 
LIST OF PARTICIPANTS COLUMBIA GENERATING STATION LICENSE RENEWAL APPLICATION SEVERE ACCIDENT MITIGATION ALTERNATIVES REVIEW TELEPHONE CONFERENCE CALL AUGUST 25, 2011 PARTICIPANTS                         AFFILIATIONS Daniel Doyle                         U.S. Nuclear Regulatory Commission (NRC)
Arthur Cunanan                       NRC Ray Gallucci                         NRC William Holston                       NRC Maxwell Smith                         NRC David Wrona                           NRC Abbas A. Mostala                     Energy Northwest (EN)
Albert T. Chiang                     EN Marsha Eades                         EN Jerral E. "Dusty" Rhoads             EN Blake Smith                           EN Jim Tansy                             EN John Twomey                           EN ENCLOSURE 1
 
REQUESTS FOR ADDITIONAL INFORMATION COLUMBIA GENERATING STATION LICENSE RENEWAL APPLICATION SEVERE ACCIDENT MITIGATION ALTERNATIVES REVIEW AUGUST 25, 2011 The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of the applicant, Energy Northwest (EN), held a telephone conference call on August 25,2011, to discuss and clarify the following draft requests for additional information (RAls) concerning the Severe Accident Mitigation Alternatives (SAMA) review of the Columbia Generating Station (CGS) license renewal application.


==Background:==
==Background:==


In its letter dated January 28, 2011 (ADAMS Accession Number ML 110330395), Energy Northwest identified SAMA candidate FL-06R as potentially cost-beneficial.
In its letter dated January 28, 2011 (ADAMS Accession Number ML110330395), Energy Northwest identified SAMA candidate FL-06R as potentially cost-beneficial.
In the January 28 letter, there were several different descriptions of SAMA FL-06R: ';Add additional NDE and inspections to increase probability of detecting degraded lines in raw water systems in the Control Building:' (page 6 of 173) '1mprove control building flooding scenarios:' (page 19 of 173) 'Perform additional NDE and inspections to the three lines identified in SAMA candidate FL-04R to verify that degradation is not occurring in these lines. The specific locations of the NDE would be selected from potentially susceptible areas using similar methods as used in the risk-informed in-service inspection program to detect wall thinning:' (pages 119 and 120 of 173) 'Perform additional NDE and inspections of the SW, TSW, and FP lines in the Control Building area of the Radwaste Building:' (page 167 of 173) Issue: Based on the descriptions of SAMA FL-06R, it appears to relate to managing the effects of aging. Potentially cost-beneficial SAMAs that relate to adequately managing the effects of aging may be mandated by the NRC as part of license renewal pursuant to 10 CFR Part 54. ENCLOSURE
In the January 28 letter, there were several different descriptions of SAMA FL-06R:
-2 Draft Requests for Additional Information:
    *  ';Add additional NDE and inspections to increase probability of detecting degraded lines in raw water systems in the Control Building:' (page 6 of 173)
Draft RAI1: Provide a determination as to whether the affected structures, systems, or components (SSCs) identified in the SAMA candidate are within the scope of the license renewal safety review under 10 CFR Part 54. If they are within the scope of license renewal, explain how the f\lDE and inspections proposed in SAMA FL-06R differ from the aging management programs proposed for the same SSCs in the safety portion of the license renewal application (e.g., SW and FP systems).
    *  '1mprove control building flooding scenarios:' (page 19 of 173)
Draft RAI 2: The SAMAs listed below were identified as potentially cost-beneficial in the January 28 letter. Energy Northwest stated that all these SAMA candidates will be considered for implementation through the normal processes for evaluating possible plant changes at Columbia Generating Station as described in response to RAI 6.j-1 iv. Provide a determination and rationale as to whether each potentially cost-beneficial SAMA relates to managing the effects of aging. SAM A ID SAMA Description AC/DC-28 Reduce common cause failures between EDG-3 and EDG-1/2 CC-03b Raise reactor core isolation cooling system backpressure trip setpoints FR-07a Improve the fire resistance of critical cables for containment venting FR-07b Improve the fire resistance of critical cables for transformer E-TR-6 FR-08 Improve the fire resistance of cables to residual heat removal and standby SW HV-02 Provide a redundant train or means of ventilation SR-05R Improve seismic ruggedness of MCC-7F and MCC-8F FL-05R Clamp on flow instruments to certain drain lines in the control building of the radwaste building and alarm in the control room FL-04R Add one isolation valve in the SW, turbine SW, and fire protection lines in the control building area of the radwaste building FL-06R Additional non-destructive evaluation and inspections to increase probability of detecting degraded lines in raw water systems in the Control Building CC-24R Backfeed the HPCS system with emergency bus SM-8 to provide a third power source for HPCS CC-25R Enhance alternate injection reliability by including residual heat removal service water and fire water crosstie in maintenance program OT-07R Increase operator training on systems and operator actions determined to be important from the PSA FW-05R Examine the potential for operators to control reactor feedwater and avoid a reactor trip OT-09R For the non-LOCA initiating events, credit the Z (power conversion system recovery) function FR-11 R Install early fire detection in the following analysis units: RC-02, RC-03, RC-04, RC-05, RC-07, RC-08, RC-11, RC-13, RC-14, and RC-1A
    *  'Perform additional NDE and inspections to the three lines identified in SAMA candidate FL-04R to verify that degradation is not occurring in these lines. The specific locations of the NDE would be selected from potentially susceptible areas using similar methods as used in the risk-informed in-service inspection program to detect wall thinning:'
-Discussion:
(pages 119 and 120 of 173)
The applicant stated that it understood the draft RAls. The applicant continued with a general discussion of the aging management review that covered the piping sections identified in SAM A candidate FL-06R and the relationship between the SAMA and the aging management program. The applicant also discussed the corrective action program and subsequent actions taken to address increased contribution to flooding from these lines. The NRC stated that it would issue the RAI letter for formal response.
    *  'Perform additional NDE and inspections of the SW, TSW, and FP lines in the Control Building area of the Radwaste Building:' (page 167 of 173)
September 14, 2011 Energy Northwest Columbia Generating Station  
Issue:
Based on the descriptions of SAMA FL-06R, it appears to relate to managing the effects of aging.
Potentially cost-beneficial SAMAs that relate to adequately managing the effects of aging may be mandated by the NRC as part of license renewal pursuant to 10 CFR Part 54.
ENCLOSURE 2
 
                                                    -2 Draft Requests for Additional Information:
Draft RAI1:
Provide a determination as to whether the affected structures, systems, or components (SSCs) identified in the SAMA candidate are within the scope of the license renewal safety review under 10 CFR Part 54. If they are within the scope of license renewal, explain how the f\lDE and inspections proposed in SAMA FL-06R differ from the aging management programs proposed for the same SSCs in the safety portion of the license renewal application (e.g., SW and FP systems).
Draft RAI 2:
The SAMAs listed below were identified as potentially cost-beneficial in the January 28 letter.
Energy Northwest stated that all these SAMA candidates will be considered for implementation through the normal processes for evaluating possible plant changes at Columbia Generating Station as described in response to RAI 6.j-1 iv. Provide a determination and rationale as to whether each potentially cost-beneficial SAMA relates to managing the effects of aging.
SAM A ID       SAMA Description AC/DC-28       Reduce common cause failures between EDG-3 and EDG-1/2 CC-03b         Raise reactor core isolation cooling system backpressure trip setpoints FR-07a         Improve the fire resistance of critical cables for containment venting FR-07b         Improve the fire resistance of critical cables for transformer E-TR-6 FR-08           Improve the fire resistance of cables to residual heat removal and standby SW HV-02           Provide a redundant train or means of ventilation SR-05R         Improve seismic ruggedness of MCC-7F and MCC-8F FL-05R         Clamp on flow instruments to certain drain lines in the control building of the radwaste building and alarm in the control room FL-04R         Add one isolation valve in the SW, turbine SW, and fire protection lines in the control building area of the radwaste building FL-06R         Additional non-destructive evaluation and inspections to increase probability of detecting degraded lines in raw water systems in the Control Building CC-24R         Backfeed the HPCS system with emergency bus SM-8 to provide a third power source for HPCS CC-25R         Enhance alternate injection reliability by including residual heat removal service water and fire water crosstie in maintenance program OT-07R         Increase operator training on systems and operator actions determined to be important from the PSA FW-05R         Examine the potential for operators to control reactor feedwater and avoid a reactor trip OT-09R         For the non-LOCA initiating events, credit the Z (power conversion system recovery) function FR-11 R         Install early fire detection in the following analysis units: RC-02, RC-03, RC-04, RC-05, RC-07, RC-08, RC-11, RC-13, RC-14, and RC-1A
 
                                              - 3 Discussion:
The applicant stated that it understood the draft RAls. The applicant continued with a general discussion of the aging management review that covered the piping sections identified in SAM A candidate FL-06R and the relationship between the SAMA and the aging management program. The applicant also discussed the corrective action program and subsequent actions taken to address increased contribution to flooding from these lines.
The NRC stated that it would issue the RAI letter for formal response.
 
September 14, 2011 LICENSEE:        Energy Northwest FACILITY:        Columbia Generating Station
 
==SUBJECT:==


==SUMMARY==
==SUMMARY==
OF TELEPHONE CONFERENCE CALL HELD ON AUGUST 25,2011, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND ENERGY NORTHWEST CONCERNING DRAFT REQUESTS FOR ADDITIONAL INFORMATION PERTAINING TO THE SEVERE ACCIDENT MITIGATION ALTERNATIVES REVIEW OF THE COLUMBIA GENERATING STATION LICENSE RENEWAL APPLICATION The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Energy Northwest (the applicant) held a telephone conference call on August 25, 2011, to discuss draft requests for additional information concerning the Severe Accident Mitigation Alternatives review of the Columbia Generating Station license renewal application.
OF TELEPHONE CONFERENCE CALL HELD ON AUGUST 25,2011, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND ENERGY NORTHWEST CONCERNING DRAFT REQUESTS FOR ADDITIONAL INFORMATION PERTAINING TO THE SEVERE ACCIDENT MITIGATION ALTERNATIVES REVIEW OF THE COLUMBIA GENERATING STATION LICENSE RENEWAL APPLICATION The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Energy Northwest (the applicant) held a telephone conference call on August 25, 2011, to discuss draft requests for additional information concerning the Severe Accident Mitigation Alternatives review of the Columbia Generating Station license renewal application. provides a list of the participants and Enclosure 2 contains a list of the draft requests for additional information including a brief description of the status of the items.
Enclosure 1 provides a list of the participants and Enclosure 2 contains a list of the draft requests for additional information including a brief description of the status of the items. The applicant had an opportunity to comment on this summary. IRA! Daniell. Doyle, Project Manager Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation Docket No. 50-397  
The applicant had an opportunity to comment on this summary.
IRA!
Daniell. Doyle, Project Manager Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation Docket No. 50-397


==Enclosures:==
==Enclosures:==
: 1. List of Participants  
: 1. List of Participants
: 2. List of Draft Requests for Additional Information cc w/encls: Listserv DISTRIBUTION:
: 2. List of Draft Requests for Additional Information cc w/encls: Listserv DISTRIBUTION:
See next page ADAMS Accession No'.. ML 11238A 158 *concurred via email OFFICE LARPB2:DLR*
See next page ADAMS Accession No'.. ML11238A158                                            *concurred via email OFFICE               LARPB2:DLR*       PM:RPB2:DLR         BC:RPB2:DLR       PM:RPB2:DLR NAME                 IKing             DDoyle             DWrona             DDoyle DATE             f9t1I11             9/13/11             9/14/11           9/14/11 OFFICIAL RECORD COpy
PM:RPB2:DLR BC:RPB2:DLR PM:RPB2:DLR NAME IKing DDoyle DWrona DDoyle DATE f9t1I11 9/13/11 9/14/11 9/14/11 OFFICIAL RECORD COpy Memorandum to Energy Northwest from D. Doyle dated September 14,2011  
 
Memorandum to Energy Northwest from D. Doyle dated September 14,2011
 
==SUBJECT:==


==SUMMARY==
==SUMMARY==
OF TELEPHONE CONFERENCE CALL HELD ON AUGUST 25,2011, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND ENERGY NORTHWEST CONCERNING DRAFT REQUESTS FOR ADDITIONAL INFORMATION PERTAINING TO THE SEVERE ACCIDENT MITIGATION ALTERNATIVES REVIEW OF THE COLUMBIA GENERATING STATION LICENSE RENEWAL APPLICATION DISTRIBUTION:
OF TELEPHONE CONFERENCE CALL HELD ON AUGUST 25,2011, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND ENERGY NORTHWEST CONCERNING DRAFT REQUESTS FOR ADDITIONAL INFORMATION PERTAINING TO THE SEVERE ACCIDENT MITIGATION ALTERNATIVES REVIEW OF THE COLUMBIA GENERATING STATION LICENSE RENEWAL APPLICATION DISTRIBUTION:
HARD COPY: DLR RF E-MAIL: PUBLIC RidsNrrDlr Resource RidsNrrDlrRpb1 Resource RidsNrrDlrRpb2 Resource RidsNrrDlrRarb Resource RidsNrrDlrRapb Resource RidsNrrDlrRasb Resource RidsNrrDlrRerb Resource RidsNrrDlrRpob Resource ACunanan DDoyle MThadani WWalker, RIV JGroom, RIV LSubin,OGC}}
HARD COPY:
DLR RF E-MAIL:
PUBLIC RidsNrrDlr Resource RidsNrrDlrRpb1 Resource RidsNrrDlrRpb2 Resource RidsNrrDlrRarb Resource RidsNrrDlrRapb Resource RidsNrrDlrRasb Resource RidsNrrDlrRerb Resource RidsNrrDlrRpob Resource ACunanan DDoyle MThadani WWalker, RIV JGroom, RIV LSubin,OGC}}

Latest revision as of 16:30, 12 November 2019

8/25/11 - Summary of Telephone Conference Call Between NRC and Energy Northwest Concerning Drais Pertaining to the SAMA Review of the Columbia Generating Station License Renewal Application
ML11238A158
Person / Time
Site: Columbia Energy Northwest icon.png
Issue date: 09/14/2011
From: Dan Doyle
License Renewal Projects Branch 2
To:
Doyle D, 415-3748
References
Download: ML11238A158 (7)


Text

\-,<-",11 REGu~ UNITED STATES

+"c.  ;'01' NUCLEAR REGULATORY COMMISSION

!! ~ WASHINGTON, D.C. 20555-0001

<C 0

.; September 14,2011

~ ~

1--? ~o

        • .. .

LICENSEE: Energy Northwest FACILITY: Columbia Generating Station

SUBJECT:

SUMMARY

OF TELEPHONE CONFERENCE CALL HELD ON AUGUST 25, 2011, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND ENERGY NORTHWEST CONCERNING DRAFT REQUESTS FOR ADDITIONAL INFORMATION PERTAINING TO THE SEVERE ACCIDENT MITIGATION ALTERNATIVES REVIEW OF THE COLUMBIA GENERATING STATION LICENSE RENEWAL APPLICATION The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Energy Northwest (the applicant) held a telephone conference call on August 25, 2011, to discuss draft requests for additional information concerning the Severe Accident Mitigation Alternatives review of the Columbia Generating Station license renewal application.

Enclosure 1 provides a list of the participants and Enclosure 2 contains a list of the draft requests for additional information including a brief description of the status of the items.

The applicant had an opportunity to comment on this summary.

Daniel I. Doyle, roject Manager Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation Docket No. 50-397

Enclosures:

1. List of Participants
2. List of Draft Requests for Additional Information cc w/encls: Listserv

LIST OF PARTICIPANTS COLUMBIA GENERATING STATION LICENSE RENEWAL APPLICATION SEVERE ACCIDENT MITIGATION ALTERNATIVES REVIEW TELEPHONE CONFERENCE CALL AUGUST 25, 2011 PARTICIPANTS AFFILIATIONS Daniel Doyle U.S. Nuclear Regulatory Commission (NRC)

Arthur Cunanan NRC Ray Gallucci NRC William Holston NRC Maxwell Smith NRC David Wrona NRC Abbas A. Mostala Energy Northwest (EN)

Albert T. Chiang EN Marsha Eades EN Jerral E. "Dusty" Rhoads EN Blake Smith EN Jim Tansy EN John Twomey EN ENCLOSURE 1

REQUESTS FOR ADDITIONAL INFORMATION COLUMBIA GENERATING STATION LICENSE RENEWAL APPLICATION SEVERE ACCIDENT MITIGATION ALTERNATIVES REVIEW AUGUST 25, 2011 The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of the applicant, Energy Northwest (EN), held a telephone conference call on August 25,2011, to discuss and clarify the following draft requests for additional information (RAls) concerning the Severe Accident Mitigation Alternatives (SAMA) review of the Columbia Generating Station (CGS) license renewal application.

Background:

In its letter dated January 28, 2011 (ADAMS Accession Number ML110330395), Energy Northwest identified SAMA candidate FL-06R as potentially cost-beneficial.

In the January 28 letter, there were several different descriptions of SAMA FL-06R:

  • ';Add additional NDE and inspections to increase probability of detecting degraded lines in raw water systems in the Control Building:' (page 6 of 173)
  • '1mprove control building flooding scenarios:' (page 19 of 173)
  • 'Perform additional NDE and inspections to the three lines identified in SAMA candidate FL-04R to verify that degradation is not occurring in these lines. The specific locations of the NDE would be selected from potentially susceptible areas using similar methods as used in the risk-informed in-service inspection program to detect wall thinning:'

(pages 119 and 120 of 173)

  • 'Perform additional NDE and inspections of the SW, TSW, and FP lines in the Control Building area of the Radwaste Building:' (page 167 of 173)

Issue:

Based on the descriptions of SAMA FL-06R, it appears to relate to managing the effects of aging.

Potentially cost-beneficial SAMAs that relate to adequately managing the effects of aging may be mandated by the NRC as part of license renewal pursuant to 10 CFR Part 54.

ENCLOSURE 2

-2 Draft Requests for Additional Information:

Draft RAI1:

Provide a determination as to whether the affected structures, systems, or components (SSCs) identified in the SAMA candidate are within the scope of the license renewal safety review under 10 CFR Part 54. If they are within the scope of license renewal, explain how the f\lDE and inspections proposed in SAMA FL-06R differ from the aging management programs proposed for the same SSCs in the safety portion of the license renewal application (e.g., SW and FP systems).

Draft RAI 2:

The SAMAs listed below were identified as potentially cost-beneficial in the January 28 letter.

Energy Northwest stated that all these SAMA candidates will be considered for implementation through the normal processes for evaluating possible plant changes at Columbia Generating Station as described in response to RAI 6.j-1 iv. Provide a determination and rationale as to whether each potentially cost-beneficial SAMA relates to managing the effects of aging.

SAM A ID SAMA Description AC/DC-28 Reduce common cause failures between EDG-3 and EDG-1/2 CC-03b Raise reactor core isolation cooling system backpressure trip setpoints FR-07a Improve the fire resistance of critical cables for containment venting FR-07b Improve the fire resistance of critical cables for transformer E-TR-6 FR-08 Improve the fire resistance of cables to residual heat removal and standby SW HV-02 Provide a redundant train or means of ventilation SR-05R Improve seismic ruggedness of MCC-7F and MCC-8F FL-05R Clamp on flow instruments to certain drain lines in the control building of the radwaste building and alarm in the control room FL-04R Add one isolation valve in the SW, turbine SW, and fire protection lines in the control building area of the radwaste building FL-06R Additional non-destructive evaluation and inspections to increase probability of detecting degraded lines in raw water systems in the Control Building CC-24R Backfeed the HPCS system with emergency bus SM-8 to provide a third power source for HPCS CC-25R Enhance alternate injection reliability by including residual heat removal service water and fire water crosstie in maintenance program OT-07R Increase operator training on systems and operator actions determined to be important from the PSA FW-05R Examine the potential for operators to control reactor feedwater and avoid a reactor trip OT-09R For the non-LOCA initiating events, credit the Z (power conversion system recovery) function FR-11 R Install early fire detection in the following analysis units: RC-02, RC-03, RC-04, RC-05, RC-07, RC-08, RC-11, RC-13, RC-14, and RC-1A

- 3 Discussion:

The applicant stated that it understood the draft RAls. The applicant continued with a general discussion of the aging management review that covered the piping sections identified in SAM A candidate FL-06R and the relationship between the SAMA and the aging management program. The applicant also discussed the corrective action program and subsequent actions taken to address increased contribution to flooding from these lines.

The NRC stated that it would issue the RAI letter for formal response.

September 14, 2011 LICENSEE: Energy Northwest FACILITY: Columbia Generating Station

SUBJECT:

SUMMARY

OF TELEPHONE CONFERENCE CALL HELD ON AUGUST 25,2011, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND ENERGY NORTHWEST CONCERNING DRAFT REQUESTS FOR ADDITIONAL INFORMATION PERTAINING TO THE SEVERE ACCIDENT MITIGATION ALTERNATIVES REVIEW OF THE COLUMBIA GENERATING STATION LICENSE RENEWAL APPLICATION The U.S. Nuclear Regulatory Commission (NRC or the staff) and representatives of Energy Northwest (the applicant) held a telephone conference call on August 25, 2011, to discuss draft requests for additional information concerning the Severe Accident Mitigation Alternatives review of the Columbia Generating Station license renewal application. provides a list of the participants and Enclosure 2 contains a list of the draft requests for additional information including a brief description of the status of the items.

The applicant had an opportunity to comment on this summary.

IRA!

Daniell. Doyle, Project Manager Projects Branch 2 Division of License Renewal Office of Nuclear Reactor Regulation Docket No. 50-397

Enclosures:

1. List of Participants
2. List of Draft Requests for Additional Information cc w/encls: Listserv DISTRIBUTION:

See next page ADAMS Accession No'.. ML11238A158 *concurred via email OFFICE LARPB2:DLR* PM:RPB2:DLR BC:RPB2:DLR PM:RPB2:DLR NAME IKing DDoyle DWrona DDoyle DATE f9t1I11 9/13/11 9/14/11 9/14/11 OFFICIAL RECORD COpy

Memorandum to Energy Northwest from D. Doyle dated September 14,2011

SUBJECT:

SUMMARY

OF TELEPHONE CONFERENCE CALL HELD ON AUGUST 25,2011, BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION AND ENERGY NORTHWEST CONCERNING DRAFT REQUESTS FOR ADDITIONAL INFORMATION PERTAINING TO THE SEVERE ACCIDENT MITIGATION ALTERNATIVES REVIEW OF THE COLUMBIA GENERATING STATION LICENSE RENEWAL APPLICATION DISTRIBUTION:

HARD COPY:

DLR RF E-MAIL:

PUBLIC RidsNrrDlr Resource RidsNrrDlrRpb1 Resource RidsNrrDlrRpb2 Resource RidsNrrDlrRarb Resource RidsNrrDlrRapb Resource RidsNrrDlrRasb Resource RidsNrrDlrRerb Resource RidsNrrDlrRpob Resource ACunanan DDoyle MThadani WWalker, RIV JGroom, RIV LSubin,OGC