View source for TMI-14-011, Supplemental Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding the Seismic Aspects of Recommendation 2.3 of Near-Term Task Force Review of Insights from the Fukushima....

{{Adams
| number = ML14093A531
| issue date = 03/28/2014
| title = Supplemental Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding the Seismic Aspects of Recommendation 2.3 of Near-Term Task Force Review of Insights from the Fukushima....
| author name = Barstow J
| author affiliation = Exelon Generation Co, LLC
| addressee name = 
| addressee affiliation = NRC/Document Control Desk, NRC/NRR
| docket = 05000289
| license number = DPR-050
| contact person = 
| case reference number = RS-14-032, TMI-14-011
| document type = Letter type:TMI
| page count = 2
| project = 
| stage = Supplement
}}

=Text=
{{#Wiki_filter:Exelon Generation 10 CFR 50.54(f)
RS-14-032 TMI-14-011 March 28, 2014 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk 11555 Rockville Pike Rockville, MD 20852 Three Mile Island Nuclear Station, Unit 1 Renewed Facility Operating License No. DPR-50 NRC Docket No. 50-289

==Subject:==
Supplemental Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding the Seismic Aspects of Recommendation 2.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident

==References:==
: 1. Exelon Generation Company, LLC 180-day Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding the Seismic Aspects of Recommendation 2.3 of the Near-Term Task force Review of Insights from the Fukushima Dai-ichi Accident, dated November 19, 2012 (RS-12-175)
: 2. NRC Letter, Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Recommendations 2.1, 2.3, and 9.3, of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident, dated March 12, 2012
: 3. Exelon Generation Company, LLC Proposed Resolution for Completion of the Seismic Walkdowns Associated with NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding the Seismic Aspects of Recommendation 2.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident, dated September 16, 2013 (RS-13-213)
In Reference 1, Exelon Generation Company, LLC (EGC) provided the NRC with the Three Mile Island Nuclear Station, Unit 1 (TMI Unit 1) seismic walkdown report in accordance with the NRC Request for Information (Reference 2). The TMI Unit 1 seismic walkdown report verifies current plant configuration with current licensing basis, and verifies the adequacies of monitoring and maintenance procedures. In Table E-2 of Reference 1, EGC provided the list of the fifteen (15)
TMI Unit 1 electrical items that required supplemental inspections. EGC committed to complete the walkdown inspection of these fifteen (15) items during the T1 R20 Refueling Outage (Fall 2013) (Commitment No. 2). These inspections have been completed. In Table E-1 of Reference 1, EGC provided the list of the fifteen (15) TMI Unit 1 items deferred due to SLD/o

U.S. Nuclear Regulatory Commission Supplemental Response to 50.54(f) Letter NTTF Recommendation 2.3: Seismic March 28, 2014 Page 2 inaccessibility. EGC committed to complete the remaining fifteen (15) supplemental inspections of these items by the T1 R21 Refueling Outage (Fall 2015) (Commitment No. 1). In Reference 3, EGC provided a revised commitment to complete these fifteen (15) items by December 31, 2013 (Commitment No. 21). These inspections have been completed. to this letter provides the results of the completed supplemental walkdown inspections described above.
No degraded, nonconforming, or unanalyzed conditions that required either immediate or follow up actions were identified.
This report completes Regulatory Commitment Nos. 1 and 2 contained in Reference 1, and Regulatory Commitment Nos. 21 and 22 contained in Reference 3.
This letter contains no new regulatory commitments.
Should you have any questions concerning the content of this letter, please contact Ron Gaston at (630) 657-3359.
I declare under penalty of perjury that the foregoing is true and correct. Executed on the 2 8 t" day of March 2014.
Respectfully, JamedBarstow Director - Licensing & Regulatory Affairs Exelon Generation Company, LLC

==Enclosure:==
: 1. Seismic Walkdown Report In Response To The 50.54(f) Information Request Regarding Fukushima Near-Term Task Force Recommendation 2.3: Seismic, Updated Transmittal #1 (Annex A) for the Three Mile Island Nuclear Station, Unit 1, Report No. RS-14-032 cc:    Director, Office of Nuclear Reactor Regulation Regional Administrator - NRC Region I NRC Senior Resident Inspector - Three Mile Island Nuclear Station, Unit 1 NRC Project Manager, NRR - Three Mile Island Nuclear Station, Unit 1 Director, Bureau of Radiation Protection - Pennsylvania Department of Environmental Resources Chairman, Board of County Commissioners of Dauphin County, PA Chairman, Board of Supervisors of Londonderry Township, PA R. R. Janati, Chief, Division of Nuclear Safety, Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection}}

=Text=
{{#Wiki_filter:Exelon Generation 10 CFR 50.54(f)
RS-14-032 TMI-14-011 March 28, 2014 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk 11555 Rockville Pike Rockville, MD 20852 Three Mile Island Nuclear Station, Unit 1 Renewed Facility Operating License No. DPR-50 NRC Docket No. 50-289

==Subject:==
Supplemental Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding the Seismic Aspects of Recommendation 2.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident

==References:==
: 1. Exelon Generation Company, LLC 180-day Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding the Seismic Aspects of Recommendation 2.3 of the Near-Term Task force Review of Insights from the Fukushima Dai-ichi Accident, dated November 19, 2012 (RS-12-175)
: 2. NRC Letter, Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Recommendations 2.1, 2.3, and 9.3, of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident, dated March 12, 2012
: 3. Exelon Generation Company, LLC Proposed Resolution for Completion of the Seismic Walkdowns Associated with NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding the Seismic Aspects of Recommendation 2.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident, dated September 16, 2013 (RS-13-213)
In Reference 1, Exelon Generation Company, LLC (EGC) provided the NRC with the Three Mile Island Nuclear Station, Unit 1 (TMI Unit 1) seismic walkdown report in accordance with the NRC Request for Information (Reference 2). The TMI Unit 1 seismic walkdown report verifies current plant configuration with current licensing basis, and verifies the adequacies of monitoring and maintenance procedures. In Table E-2 of Reference 1, EGC provided the list of the fifteen (15)
TMI Unit 1 electrical items that required supplemental inspections. EGC committed to complete the walkdown inspection of these fifteen (15) items during the T1 R20 Refueling Outage (Fall 2013) (Commitment No. 2). These inspections have been completed. In Table E-1 of Reference 1, EGC provided the list of the fifteen (15) TMI Unit 1 items deferred due to SLD/o

U.S. Nuclear Regulatory Commission Supplemental Response to 50.54(f) Letter NTTF Recommendation 2.3: Seismic March 28, 2014 Page 2 inaccessibility. EGC committed to complete the remaining fifteen (15) supplemental inspections of these items by the T1 R21 Refueling Outage (Fall 2015) (Commitment No. 1). In Reference 3, EGC provided a revised commitment to complete these fifteen (15) items by December 31, 2013 (Commitment No. 21). These inspections have been completed. to this letter provides the results of the completed supplemental walkdown inspections described above.
No degraded, nonconforming, or unanalyzed conditions that required either immediate or follow up actions were identified.
This report completes Regulatory Commitment Nos. 1 and 2 contained in Reference 1, and Regulatory Commitment Nos. 21 and 22 contained in Reference 3.
This letter contains no new regulatory commitments.
Should you have any questions concerning the content of this letter, please contact Ron Gaston at (630) 657-3359.
I declare under penalty of perjury that the foregoing is true and correct. Executed on the 2 8 t" day of March 2014.
Respectfully, JamedBarstow Director - Licensing & Regulatory Affairs Exelon Generation Company, LLC

==Enclosure:==
: 1. Seismic Walkdown Report In Response To The 50.54(f) Information Request Regarding Fukushima Near-Term Task Force Recommendation 2.3: Seismic, Updated Transmittal #1 (Annex A) for the Three Mile Island Nuclear Station, Unit 1, Report No. RS-14-032 cc:    Director, Office of Nuclear Reactor Regulation Regional Administrator - NRC Region I NRC Senior Resident Inspector - Three Mile Island Nuclear Station, Unit 1 NRC Project Manager, NRR - Three Mile Island Nuclear Station, Unit 1 Director, Bureau of Radiation Protection - Pennsylvania Department of Environmental Resources Chairman, Board of County Commissioners of Dauphin County, PA Chairman, Board of Supervisors of Londonderry Township, PA R. R. Janati, Chief, Division of Nuclear Safety, Pennsylvania Department of Environmental Protection, Bureau of Radiation Protection}}