View source for NL-16-0322, Response to Request for Docketing Information Need 1 and 8, Recommendation 2.1 Flood Hazard Reevaluation Report

{{Adams
| number = ML16069A087
| issue date = 03/07/2016
| title = Response to Request for Docketing Information Need 1 and 8, Recommendation 2.1 Flood Hazard Reevaluation Report
| author name = Pierce C
| author affiliation = Southern Co, Southern Nuclear Operating Co, Inc
| addressee name = 
| addressee affiliation = NRC/Document Control Desk, NRC/NRR
| docket = 05000321, 05000366
| license number = 
| contact person = 
| case reference number = NL-16-0322
| package number = ML16069A085
| document type = Letter type:NL
| page count = 2
}}

=Text=
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Charles R. Pierce                    Southern Nuclear Regulatory Affairs Director          Operating Company, Inc.
40 Inverness Center Parkway Post Office Box 1295 Birmingham, AL 35201 Tel 205.992.7872 Fax 205.992.7601 Docket Nos.: 50-321                                                          NL-16-0322 50-366 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D. C. 20555-0001 Edwin I. Hatch Nuclear Plant - Units 1 and 2 Response to Request for Docketing Information Need 1 and 8 Recommendation 2.1 Flood Hazard Reevaluation Report

==References:==
: 1. NRC Letter, Request for Information Pursuant to Title 1O 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 Daiichi Accident; dated March 12, 2012.
: 2. Letter to NRC, Edwin I. Hatch Nuclear Plant - Units 1 and 2, Recommendation 2.1 Flood Hazard Reevaluation Report dated March 6, 2014.
: 3. Letter to NRC, Edwin I. Hatch Nuclear Plant - Units 1 and 2, Response to Request for Information dated August 6, 2014.
: 4. Letter to NRC, Edwin I. Hatch Nuclear Plant - Units 1 and 2, Response to Supoplemental Request for Additional Information dated June 3, 2015.
Ladies and Gentlemen:
On March 12, 2012, the U.S. Nuclear Regulatory Commission (NRC) issued Reference 1 to all power reactor licensees and holders of construction permits in active or deferred status. Enclosure 2 of Reference 1 requests licensees to perform a reevaluation of all appropriate external flooding sources, including the effects from local intense precipitation on the site, probable maximum flood on stream and rivers, storm surges, seiches, tsunami, and dam failures. of Reference 1 required each addressee to submit the Flood Hazard Reevaluation Repor*t within one to three years from the date of the information request.
Reference 2, the Flood Hazard Reevaluation Report (FHRR) for HNP Units 1 and 2 was provided as an Enclosure in SNC letter NL-14-0326, dated March 6, 2014. Following the submittal of the HNP Units 1 and 2 FHRR, SNC responded to a request for additional information in SNC letter NL-14-1229, dated August 6, 2014. A supplemental request for additional information (transmitted electronically by the NRC) was received on May 4, 2015. SNC provided that response on June 5, 2015. An "Information Need" (also transmitted electronically by the NRC) was received on October 1, 2015. As requested Security-Related Information - Withhold Enclosures From Public Disclosure Under 10 CFR 2.390

U. S. Nuclear Regulatory Commission             Security-Related Information - Withhold Enclosures NL-16-0322                                          From Public Disclosure Under 10 CFR 2.390 Page2 by the NRC, the response to this "Information Need" was provided on the electronic portal on October 13, 2015.
Based on discussions beginning on February 2, 2016 and concluding on February 29, 2016, the NRC has requested that the responses to Questions 1 and 8 from the October 1, 2015 "Information Need" be provided on the docket. Enclosures 1 and 2 are exactly as provided on the electronic portal and provide the requested information.
This letter contains no new regulatory commitments. If you have any questions, please contact John Giddens at 205.992.7924.
C.R. Pierce Regulatory Affairs Director CRP/JMG

==Enclosures:==
: 1. Information Need 1: Combined Effect Flood Five-Day Dry Period
: 2. Information Need 8: Peak Outflow and Water Level Comparison
* cc:   Southern Nuclear Operating Company Mr. S. E. Kuczynski, Chairman, President & CEO Mr. D. G. Bost, Executive Vice President & Chief Nuclear Officer Mr. D. R. Vineyard, Vice President - Hatch Mr. M. D. Meier, Vice President - Regulatory Affair Mr. D. R. Madison, Vice President - Fleet Operations Mr. B. J. Adams, Vice President - Engineering Mr. G. L. Johnson, Regulatory Affairs Manager - Hatch RType: CHA02.004 U.S. Nuclear Regulatory Commission Mr. V. M. McCree, Director of the Office of Nuclear ReaCtor Regulations Ms. C. Haney, Regional Administrator Mr. M. D. Orenak, NRR Project Manager- Hatch Mr. D. H. Hardage, Senior Resident Inspector~ Hatch State of Georgia Mr. J. H. Turner, Director - Environmental Protection Division Security-Related Information - Withhold Enclosures From Public Disclosure Under 10 CFR 2.390

                                         '\
Charles R. Pierce                    Southern Nuclear Regulatory Affairs Director          Operating Company, Inc.
40 Inverness Center Parkway Post Office Box 1295 Birmingham, AL 35201 Tel 205.992.7872 Fax 205.992.7601 Docket Nos.: 50-321                                                          NL-16-0322 50-366 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D. C. 20555-0001 Edwin I. Hatch Nuclear Plant - Units 1 and 2 Response to Request for Docketing Information Need 1 and 8 Recommendation 2.1 Flood Hazard Reevaluation Report

==References:==
: 1. NRC Letter, Request for Information Pursuant to Title 1O 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 Daiichi Accident; dated March 12, 2012.
: 2. Letter to NRC, Edwin I. Hatch Nuclear Plant - Units 1 and 2, Recommendation 2.1 Flood Hazard Reevaluation Report dated March 6, 2014.
: 3. Letter to NRC, Edwin I. Hatch Nuclear Plant - Units 1 and 2, Response to Request for Information dated August 6, 2014.
: 4. Letter to NRC, Edwin I. Hatch Nuclear Plant - Units 1 and 2, Response to Supoplemental Request for Additional Information dated June 3, 2015.
Ladies and Gentlemen:
On March 12, 2012, the U.S. Nuclear Regulatory Commission (NRC) issued Reference 1 to all power reactor licensees and holders of construction permits in active or deferred status. Enclosure 2 of Reference 1 requests licensees to perform a reevaluation of all appropriate external flooding sources, including the effects from local intense precipitation on the site, probable maximum flood on stream and rivers, storm surges, seiches, tsunami, and dam failures. of Reference 1 required each addressee to submit the Flood Hazard Reevaluation Repor*t within one to three years from the date of the information request.
Reference 2, the Flood Hazard Reevaluation Report (FHRR) for HNP Units 1 and 2 was provided as an Enclosure in SNC letter NL-14-0326, dated March 6, 2014. Following the submittal of the HNP Units 1 and 2 FHRR, SNC responded to a request for additional information in SNC letter NL-14-1229, dated August 6, 2014. A supplemental request for additional information (transmitted electronically by the NRC) was received on May 4, 2015. SNC provided that response on June 5, 2015. An "Information Need" (also transmitted electronically by the NRC) was received on October 1, 2015. As requested Security-Related Information - Withhold Enclosures From Public Disclosure Under 10 CFR 2.390

U. S. Nuclear Regulatory Commission             Security-Related Information - Withhold Enclosures NL-16-0322                                          From Public Disclosure Under 10 CFR 2.390 Page2 by the NRC, the response to this "Information Need" was provided on the electronic portal on October 13, 2015.
Based on discussions beginning on February 2, 2016 and concluding on February 29, 2016, the NRC has requested that the responses to Questions 1 and 8 from the October 1, 2015 "Information Need" be provided on the docket. Enclosures 1 and 2 are exactly as provided on the electronic portal and provide the requested information.
This letter contains no new regulatory commitments. If you have any questions, please contact John Giddens at 205.992.7924.
C.R. Pierce Regulatory Affairs Director CRP/JMG

==Enclosures:==
: 1. Information Need 1: Combined Effect Flood Five-Day Dry Period
: 2. Information Need 8: Peak Outflow and Water Level Comparison
* cc:   Southern Nuclear Operating Company Mr. S. E. Kuczynski, Chairman, President & CEO Mr. D. G. Bost, Executive Vice President & Chief Nuclear Officer Mr. D. R. Vineyard, Vice President - Hatch Mr. M. D. Meier, Vice President - Regulatory Affair Mr. D. R. Madison, Vice President - Fleet Operations Mr. B. J. Adams, Vice President - Engineering Mr. G. L. Johnson, Regulatory Affairs Manager - Hatch RType: CHA02.004 U.S. Nuclear Regulatory Commission Mr. V. M. McCree, Director of the Office of Nuclear ReaCtor Regulations Ms. C. Haney, Regional Administrator Mr. M. D. Orenak, NRR Project Manager- Hatch Mr. D. H. Hardage, Senior Resident Inspector~ Hatch State of Georgia Mr. J. H. Turner, Director - Environmental Protection Division Security-Related Information - Withhold Enclosures From Public Disclosure Under 10 CFR 2.390}}