ML18135A144
| ML18135A144 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| 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) | |
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.
- 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
- 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.
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