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Category:Letter
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[Table view] |
See also: IR 05000244/2019010
Text
UNITED STATES
NUCLEAR REGULATORY COMMISSION
REGION I
2100 RENAISSANCE BOULEVARD, SUITE 100
KING OF PRUSSIA, PA 19406-2713
November 14, 2019
EA-19-122
Mr. Bryan C. Hanson
Senior Vice President, Exelon Generation Company, LLC
President and Chief Nuclear Officer, Exelon Nuclear
4300 Winfield Road
Warrenville, IL 60555
SUBJECT: U.S. NUCLEAR REGULATORY COMMISSION ACKNOWLEDGEMENT OF
DISPUTED CITED VIOLATION 05000244/2019010-02
Dear Mr. Hanson:
I am writing to acknowledge receipt of Exelon Generation Company, LLCs (Exelons) letter
dated October 16, 2019, in response to U.S. Nuclear Regulatory Commission (NRC) Inspection
Report 05000244/2019010 issued on September 18, 2019 (ML19261A083)1.
In the letter (ML19291A173), Exelon contested a finding of very low safety significance (Green)
and associated Notice of Violation (NOV 05000244/2019010-02) issued to R. E. Ginna Nuclear
Power Plant (Ginna). The finding and violation involved a failure by Ginna to design or ensure
that in the event of a design-basis earthquake, the safety-related Emergency Diesel Generator
(EDG) Motor Control Centers (MCCs) H and J would not be lost due to an electrical circuit fault
in the non-safety-related sump pump motors. Exelon stated that Ginna met the NRC's
standards in effect at the time of its construction as well as those in effect at the time of
Application for Full-Term Operating License (1972) and as such, Exelon views that the NOV is
unwarranted and should be rescinded. Additionally, Exelon believes that the position reflected
in the inspection report constitutes a backfit and asks that the NRC assess these concerns
consistent with agency backfitting processes. The NRC intends to review Exelons response
and provide a letter documenting the basis for any decision relative to the disputed NOV and
backfitting.
In accordance with Title 10 of the Code of Federal Regulations (10 CFR) 2.390 of the NRCs
Rules of Practice, a copy of this letter and your response (if any) will be available electronically
for public inspection in the NRCs Public Document Room or from the Publicly Available
1
Designation refers to an Agencywide Documents Access and Management System (ADAMS) accession
number. Documents referenced in this letter are publicly available using the accession number in
ADAMS at https://adams.nrc.gov/wba/. For problems with ADAMS, please contact the NRCs Public
Document Room (PDR) reference staff at 1-800-397-4209; 301-415-4737, or by e-mail to
pdr.resource@nrc.gov
B. Hanson 2
Records component of the NRCs Agencywide Documents Access and Management System
(ADAMS). ADAMS is accessible from the NRCs website at http://www.nrc.gov/reading-
rm/adams.html (the Public Electronic Reading Room).
Should you have any questions concerning this letter, please contact me at (610) 337-5081.
Sincerely,
/RA/
Paul G. Krohn, Deputy Director
Division of Reactor Safety
Docket No. 50-244
License No. DPR-18
cc: Distribution via ListServ
ML19322A009
Non-Sensitive Publicly Available
SUNSI Review
Sensitive Non-Publicly Available
OFFICE RI/DRS RI/DRS RI/DRP RI/EAGL RI/RC
NAME KMangan via email MGray ECarfang RMcKinley BKlukan
DATE 11/13/19 11/13/19 11/13/19 11/14/19 11/14/19
OFFICE RI/DRS
NAME PKrohn
DATE 11/14/19
