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{{#Wiki_filter:Exelon Generation                                     Dresden Nuclear Power Station 6500 North Dresden Road Morris, IL 60450 May 9, 2018 SVPLTR: #18-0009 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Dresden Nuclear Power Station, Units 2 and 3 Renewed Facility Operating License Nos. DPR-19 and DPR-25 NRC Docket Nos. 50-237 and 50-249
{{#Wiki_filter:Exelon Generation May 9, 2018 SVPL TR: #18-0009 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Dresden Nuclear Power Station, Units 2 and 3 Dresden Nuclear Power Station 6500 North Dresden Road Morris, IL 60450 Renewed Facility Operating License Nos. DPR-19 and DPR-25 NRC Docket Nos. 50-237 and 50-249  


==Subject:==
==Subject:==
Line 22: Line 22:
dated July 1999. For calendar year 2017, Dresden Nuclear Power Station had two (2) changes that required inclusion into the annual commitment change summary report.
dated July 1999. For calendar year 2017, Dresden Nuclear Power Station had two (2) changes that required inclusion into the annual commitment change summary report.
Should you have any questions concerning this letter, please contact Mr. Bruce Franzen, Regulatory Assurance Manager, at (815) 416-2800.
Should you have any questions concerning this letter, please contact Mr. Bruce Franzen, Regulatory Assurance Manager, at (815) 416-2800.
Respectfully, Peter J. Karaba Site Vice President Dresden Nuclear Power Station cc:     Regional Administrator- NRC Region Ill NRC Senior Resident Inspector, Dresden Nuclear Power Station
Respectfully, Peter J. Karaba Site Vice President Dresden Nuclear Power Station cc:
Regional Administrator-NRC Region Ill NRC Senior Resident Inspector, Dresden Nuclear Power Station  


Attachment A Dresden Nuclear Power Station Commitment Change Summary for 2017 Commit   Date of   Original         Original Commitment                      Revised Commitment            Basis for Revision              RequireNRC Rev     Commit   Document                                                                                                               Notification Trac No. Revision 17-001   9/15/2017 9/26/1990 Letter RCMT 4025686-01                         Exelon Corp discontinued item The periodic re-contact of      Yes.
Commit Date of Original Rev Commit Document Trac No.
to NRC regarding                                          b of the original commitment. vendors is redundant. The response to      Licensees shall establish, implement,   This discontinued the program reliability of safety related GL 90-03 .      and maintain a continuing program to     of periodic contact with the components at Dresden is ensure that vendor information for       vendors of other (non-NSSS)   assured by preventative
Revision 17-001 9/15/2017 9/26/1990 Letter to NRC regarding response to GL 90-03.
                  # 4025686-01    safety-related components is             key safety-related           maintenance and complete, current and controlled         components.                   performance monitoring throughout the life of their plants, and                               actions implemented after the is appropriately referenced or                                         commitments made in incorporated in plant instructions and                                 response to these two NRC procedures.An adequate vendor                                         Generic Letters. The interface program should include:                                     preventative maintenance tasks, frequencies, and a) A program with the NSSS vendor                                     detailed actions are subject to as described in the VETIP, which                                       continuous improvement and covers all the safety-related                                         monitoring components within the NSSS scope of supply. This program should include provisions for assuring receipt by licensee/applicant of all technical information provided by the NSS vendor; and b} A program of periodic contact with the vendors of other key safety-related components not included in (a) above.
# 4025686-01 Attachment A Dresden Nuclear Power Station Commitment Change Summary for 2017 Original Commitment Revised Commitment RCMT 4025686-01 Exelon Corp discontinued item b of the original commitment.
1
Licensees shall establish, implement, This discontinued the program and maintain a continuing program to of periodic contact with the ensure that vendor information for vendors of other (non-NSSS) safety-related components is key safety-related complete, current and controlled components.
throughout the life of their plants, and is appropriately referenced or incorporated in plant instructions and procedures.An adequate vendor interface program should include:
a) A program with the NSSS vendor as described in the VETIP, which covers all the safety-related components within the NSSS scope of supply. This program should include provisions for assuring receipt by licensee/applicant of all technical information provided by the NSS vendor; and b} A program of periodic contact with the vendors of other key safety-related components not included in (a) above.
Basis for Revision RequireNRC Notification The periodic re-contact of Yes.
vendors is redundant. The reliability of safety related components at Dresden is assured by preventative maintenance and performance monitoring actions implemented after the commitments made in response to these two NRC Generic Letters. The preventative maintenance tasks, frequencies, and detailed actions are subject to continuous improvement and monitoring 1  


Attachment A Dresden Nuclear Power Station Commitment Change Summary for 2017 Commit   Date of   Original          Original Commitment                      Revised Commitment          Basis for Revision            RequireNRC Rev     Commit     Document                                                                                                             Notification Trac No. Revision 17-002   10/24/2017 Operating License RCMT 101522-26 (sub-assignments         References to an 18-month   Engineering Change 394083,    Yes Renewal          17-23 and 30-32)                         frequency in the identified Performance Based commitments are changed to Evaluation of Selected Fire
Commit Date of Original Rev Commit Document Trac No.
                    # 101522-26      The sub-assignments specify an 18-       36-month.                   Protection Testing in Order to sub-assignments  month periodicity commitment to                                     Extend the Surveillance 17-23 and 30-32  perform a visual inspection for signs of                             Testing Interval, was corrosion, mechanical damage, or leak                               performed.
Revision 17-002 10/24/2017 Operating License Renewal
on the following Fire Protection systems:                                                          
# 101522-26 sub-assignments 17-23 and 30-32 Attachment A Dresden Nuclear Power Station Commitment Change Summary for 2017 Original Commitment Revised Commitment RCMT 101522-26 (sub-assignments References to an 18-month 17-23 and 30-32) frequency in the identified commitments are changed to The sub-assignments specify an 18-36-month.
 
month periodicity commitment to perform a visual inspection for signs of corrosion, mechanical damage, or leak on the following Fire Protection systems:
== Conclusion:==
: 17) Aux Electric Equipment Room Cardox System
Extending the testing frequencies was
: 17) Aux Electric Equipment Room                                     acceptable based on the low Cardox System                                                       historical failure rates.
: 18) Unit 2/3 Diesel Generator Cardox System
: 18) Unit 2/3 Diesel Generator Cardox System
: 19) Unit 2 Alterex Cardox System
: 19) Unit 2 Alterex Cardox System
Line 44: Line 47:
: 30) Cardox System
: 30) Cardox System
: 31) Aux Electric Equipment Room Manual Cardox System
: 31) Aux Electric Equipment Room Manual Cardox System
: 32) Aux Electric Equipment Room Manual Halon System 2}}
: 32) Aux Electric Equipment Room Manual Halon System Basis for Revision RequireNRC Notification Engineering Change 394083, Yes Performance Based Evaluation of Selected Fire Protection Testing in Order to Extend the Surveillance Testing Interval, was performed.
 
==
Conclusion:==
Extending the testing frequencies was acceptable based on the low historical failure rates.
2}}

Latest revision as of 21:50, 5 January 2025

2017 Regulatory Commitment Change Summary Report
ML18135A144
Person / Time
Site: Dresden  Constellation icon.png
Issue date: 05/09/2018
From: Karaba P
Exelon Generation Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
18-0009
Download: ML18135A144 (3)
v • d • e


Text

Exelon Generation May 9, 2018 SVPL TR: #18-0009 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Dresden Nuclear Power Station, Units 2 and 3 Dresden Nuclear Power Station 6500 North Dresden Road Morris, IL 60450 Renewed Facility Operating License Nos. DPR-19 and DPR-25 NRC Docket Nos. 50-237 and 50-249

Subject:

2017 Regulatory Commitment Change Summary Report Revisions to docketed regulatory correspondence are processed using Nuclear Energy lnstitute's (NEI) 99-04, Revision 0, "Guidelines for Managing NRC Commitment Changes,"

dated July 1999. For calendar year 2017, Dresden Nuclear Power Station had two (2) changes that required inclusion into the annual commitment change summary report.

Should you have any questions concerning this letter, please contact Mr. Bruce Franzen, Regulatory Assurance Manager, at (815) 416-2800.

Respectfully, Peter J. Karaba Site Vice President Dresden Nuclear Power Station cc:

Regional Administrator-NRC Region Ill NRC Senior Resident Inspector, Dresden Nuclear Power Station

Commit Date of Original Rev Commit Document Trac No.

Revision 17-001 9/15/2017 9/26/1990 Letter to NRC regarding response to GL 90-03.

  1. 4025686-01 Attachment A Dresden Nuclear Power Station Commitment Change Summary for 2017 Original Commitment Revised Commitment RCMT 4025686-01 Exelon Corp discontinued item b of the original commitment.

Licensees shall establish, implement, This discontinued the program and maintain a continuing program to of periodic contact with the ensure that vendor information for vendors of other (non-NSSS) safety-related components is key safety-related complete, current and controlled components.

throughout the life of their plants, and is appropriately referenced or incorporated in plant instructions and procedures.An adequate vendor interface program should include:

a) A program with the NSSS vendor as described in the VETIP, which covers all the safety-related components within the NSSS scope of supply. This program should include provisions for assuring receipt by licensee/applicant of all technical information provided by the NSS vendor; and b} A program of periodic contact with the vendors of other key safety-related components not included in (a) above.

Basis for Revision RequireNRC Notification The periodic re-contact of Yes.

vendors is redundant. The reliability of safety related components at Dresden is assured by preventative maintenance and performance monitoring actions implemented after the commitments made in response to these two NRC Generic Letters. The preventative maintenance tasks, frequencies, and detailed actions are subject to continuous improvement and monitoring 1

Commit Date of Original Rev Commit Document Trac No.

Revision 17-002 10/24/2017 Operating License Renewal

  1. 101522-26 sub-assignments 17-23 and 30-32 Attachment A Dresden Nuclear Power Station Commitment Change Summary for 2017 Original Commitment Revised Commitment RCMT 101522-26 (sub-assignments References to an 18-month 17-23 and 30-32) frequency in the identified commitments are changed to The sub-assignments specify an 18-36-month.

month periodicity commitment to perform a visual inspection for signs of corrosion, mechanical damage, or leak on the following Fire Protection systems:

17) Aux Electric Equipment Room Cardox System
18) Unit 2/3 Diesel Generator Cardox System
19) Unit 2 Alterex Cardox System
20) Unit 3 Diesel Generator Cardox System
21) Unit 3 Alterex Cardox System
22) Unit 2 Diesel Generator Cardox System
23) Aux Electric Equipment Room Halon System
30) Cardox System
31) Aux Electric Equipment Room Manual Cardox System
32) Aux Electric Equipment Room Manual Halon System Basis for Revision RequireNRC Notification Engineering Change 394083, Yes Performance Based Evaluation of Selected Fire Protection Testing in Order to Extend the Surveillance Testing Interval, was performed.

==

Conclusion:==

Extending the testing frequencies was acceptable based on the low historical failure rates.

2

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