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{{Adams
#REDIRECT [[CP-201300806, Comanche Peak Nuclear Power Plant - Supplement to 180-Day Response to NRC Request for Information Per 10 CFR 50.54(f) Re Seismic Aspects of Recommendation 2.3 of the Near-term Task Force Review of Insights from Fukushima Dai-Ichi Accide]]
| number = ML13192A179
| issue date = 07/01/2013
| title = Comanche Peak Nuclear Power Plant - Supplement to 180-Day Response to NRC Request for Information Per 10 CFR 50.54(f) Re Seismic Aspects of Recommendation 2.3 of the Near-term Task Force Review of Insights from Fukushima Dai-Ichi Accident
| author name = Flores R, Madden F W
| author affiliation = Luminant Generation Co, LLC, Luminant Power
| addressee name =
| addressee affiliation = NRC/Document Control Desk, NRC/NRR
| docket = 05000445, 05000446
| license number =
| contact person =
| case reference number = CP-201300806, TXX-13105
| document type = Letter
| page count = 3
| project =
| stage = Response to RAI
}}
 
=Text=
{{#Wiki_filter:I The Enclosure to TXX-13105 contains Security-Related Information Withheld Under 10 CFR 2.390 1 Rafael Flores Senior Vice President& Chief Nuclear Officer rafael.flores@luminant.com Luminant Luminant Power P 0 Box 1002 6322 North FM 56 Glen Rose, TX 76043 T 254 897 5590 C 817 559 0403 F 254 897 6652 CP-201300806 Log # TXX-13105 REF 10 CFR 50.54(f)July 1, 2013 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001
 
==SUBJECT:==
COMANCHE PEAK NUCLEAR POWER PLANT, DOCKET NOS. 50-445 AND 50-446, Supplement to 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
 
==REFERENCES:==
: 1. 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 2. Letter dated May 31, 2012 from D. L. Skeen, USNRC, to A. P. Heymer, NEI,"Endorsement of Electric Power Research Institute (EPRI) Draft Report 1025286,'Seismic Walkdown Guidance'" 3. Letter dated November 27, 2012, COMANCHE PEAK NUCLEAR POWER PLANT, DOCKET NOS. 50-445 AND 50-446, 120-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 ForceReview of Insights from the Fukushima Dai-Ichi Accident
 
==Dear Sir or Madam:==
On March 12, 2012, the Nuclear Regulatory Commission (NRC) staff issued a 10 CFR 50.54(f)letter to all power reactor licensees and holders of construction permits in active or deferred status (Reference 1). Enclosure 3 of Reference 1 contains specific Requested Actions, Requested Information, and Required Responses associated with Recommendation 2.3 for Seismic.For Recommendation 2.3, Seismic (walkdowns), Enclosure 3, item 2 of Reference 1 required that within 180 days of NRC's endorsement of the walkdown procedure (Reference 2), CPNPP submit its final response for the requested information including a list of any areas that are unable to be inspected due to inaccessibility and a schedule for when the walkdown will be completed.
Reference 3 provided Comanche Peak's response with a commitment to perform inaccessible walkdowns of Unit 1 during the Unit 1 Spring 2013 outage and submit a supplemental report by June 30, 2013.The enclosure to this letter contain CPNPP's supplemental report as committed in Reference
: 3. It contains those areas previously listed in Enclosure 1 to Reference 3 as inaccessible.
Changes from the original report are clearly marked with change bars in the margins. The supplemental report U. S. Nuclear Regulatory Commission TXX-13105 Page 2 of 2 07/01/2013 includes the entire updated main body of the Reference 3 report and any new or revised content in the attachments, including the walkdown checklists Pages of the Enclosure, Seismic Walkdown Report, contain Security Sensitive Material and are marked accordingly.
The attachment contains a revised regulatory commitment completed by CPNPP in this response.If you have any questions concerning this matter, please contact Dennis Buschbaum at 254-897-5851 or dennis.buschbaum@luminant.com.
I state under penalty of perjury that the foregoing is true and correct.Executed on July 1, 2013.Sincerely, Luminant Generation Company LLC Rafael Flores By: -4A / 2K27LL-Fred W. Madden Director, Oversight
& Regulatory Affairs
 
==Attachment:==
 
List of Regulatory Commitments
 
==Enclosure:==
 
WCAP-17685-NP, Supplement 1, Revision 0, Comanche Peak Nuclear Power Plant Unit 1 Supplemental Information for Post-Fukushima NTTF 2.3 Seismic Walkdown Submittal Report, June 2013 c -E. J. Leeds, Director, Office of Nuclear Reactor Regulation Arthur T. Howell III, Region IV Balwant K. Singal, NRR Resident Inspectors, Comanche Peak Attachment to TXX-13105 Attachment to TXX-13105 List of Regulatory Commitments This communication contains the following new or revised commitments, which will be completed or incorporated into the CPSES licensing basis as noted: Number Commitment 4527482 Luminant will complete the seismic walkdowns for CPNPP Unit 1 during 1RF16 in the Spring of 2013 and submit a supplemental report by June 30, 2013.Due Date/Event 06/30/2013 Complete in this letter The Commitment number is used by Luminant Power for the internal tracking of CPNPP commitments.}}

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