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

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Response to Request for Docketing Information Need 1 and 8, Recommendation 2.1 Flood Hazard Reevaluation Report
ML16069A087
Person / Time
Site: Hatch  Southern Nuclear icon.png
Issue date: 03/07/2016
From: Pierce C
Southern Co, Southern Nuclear Operating Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
Shared Package
ML16069A085 List:
References
NL-16-0322
Download: ML16069A087 (2)
v • d • e


Text

Charles R. Pierce Regulatory Affairs Director Docket Nos.: 50-321 50-366

'\\

Southern Nuclear Operating Company, Inc.

40 Inverness Center Parkway Post Office Box 1295 Birmingham, AL 35201 Tel 205.992.7872 Fax 205.992.7601 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D. C. 20555-0001 NL-16-0322 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 1 O 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 1 O CFR 2.390

U. S. Nuclear Regulatory Commission NL-16-0322 Page2 Security-Related Information - Withhold Enclosures From Public Disclosure Under 10 CFR 2.390 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 1 O CFR 2.390

Charles R. Pierce Regulatory Affairs Director Docket Nos.: 50-321 50-366

'\\

Southern Nuclear Operating Company, Inc.

40 Inverness Center Parkway Post Office Box 1295 Birmingham, AL 35201 Tel 205.992.7872 Fax 205.992.7601 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D. C. 20555-0001 NL-16-0322 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 1 O 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 1 O CFR 2.390

U. S. Nuclear Regulatory Commission NL-16-0322 Page2 Security-Related Information - Withhold Enclosures From Public Disclosure Under 10 CFR 2.390 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 1 O CFR 2.390

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