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{{#Wiki_filter: | {{#Wiki_filter:MI S SOURI David W. Neterer Vice President-Nuclear Operations Ameren Missouri Callaway Energy Center c 573.544.5402 F 573.676.4056 dneterer@ameren.com | ||
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December 22, 2014 ULNRC-06161 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001 Ladies and Gentlemen: | December 22, 2014 ULNRC-06161 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001 Ladies and Gentlemen: | ||
10 CFR 50.54(f) | 10 CFR 50.54(f) DOCKET NUMBER 50-483 CALLAWAY PLANT UNIT 1 UNION ELECTRIC CO. FACILITY OPERATING LICENSE NPF-30 AMEREN MISSOURI RESPONSE TO NRC REQUEST FOR INFORMATION PURSUANT TO 10CFR50.54(f) | ||
DOCKET NUMBER 50-483 CALLAWAY PLANT UNIT 1 UNION ELECTRIC CO. FACILITY OPERATING LICENSE NPF-30 AMEREN MISSOURI RESPONSE TO NRC REQUEST FOR INFORMATION PURSUANT TO 10CFR50.54(f) | |||
REGARDING THE SEISMIC ASPECTS OF RECOMMENDATION 2.1 OF THE NEAR-TERM TASK FORCE REVIEW OF INSIGHTS FROM THE FUKUSHIMA DAI-ICHI ACCIDENT-EXPEDITED SEISMIC EVALUATION PROCESS REPORT | REGARDING THE SEISMIC ASPECTS OF RECOMMENDATION 2.1 OF THE NEAR-TERM TASK FORCE REVIEW OF INSIGHTS FROM THE FUKUSHIMA DAI-ICHI ACCIDENT-EXPEDITED SEISMIC EVALUATION PROCESS REPORT | ||
==References:== | ==References:== | ||
: 1. | : 1. NR C Letter, Request for Information Pursuant to Title 10 of the C ode of Federal Regulations 50.54(+/-) Regarding Recommendations 2.1, 2.3, and 9.3, of the Term Task Force Review of Insights from the Fukushima Dai-ichi Accident, dated March 12, 2012 (ADAMS Accession No. ML12053A340) | ||
Regarding Recommendations 2.1, 2.3, and 9.3, of the Term Task Force Review of Insights from the Fukushima Dai-ichi | |||
: 2. NEI Letter to NRC, Proposed Path Forward for NTTF Recommendation 2.1: Seismic Reevaluations, dated April9, 2013 (ADAMS Accession No. ML13101A379) | : 2. NEI Letter to NRC, Proposed Path Forward for NTTF Recommendation 2.1: Seismic Reevaluations, dated April9, 2013 (ADAMS Accession No. ML13101A379) | ||
: 3. NRC Letter, Electric Power Research Institute Report 3002000704, "Seismic Evaluation Guidance: | : 3. NRC Letter, Electric Power Research Institute Report 3002000704, "Seismic Evaluation Guidance: | ||
Augmented Approach for the Resolution of Fukushima Term Task Force Recommendation 2.1: Seismic," | Augmented Approach for the Resolution of Fukushima Term Task Force Recommendation 2.1: Seismic," as an Acceptable Alternative to the March 12, 2012, Information Request for Seismic Reevaluations, dated May 7, 2013, (ADAMS Accession No. ML13106A331) | ||
as an Acceptable Alternative to the March 12, 2012, Information Request for Seismic Reevaluations, dated May 7, 2013, (ADAMS Accession No. ML13106A331) | |||
On March 12, 2012, the Nuclear Regulatory Commission (NRC) issued a 50.54(f) letter to all power reactor licensees and holders of construction permits in active or deferred status. Enclosure 1 of Reference 1 requested each addressee located in the Central and Eastern United States (CEUS) to submit a Seismic Hazard Evaluation and Screening Report within 1.5 years from the date of Reference | On March 12, 2012, the Nuclear Regulatory Commission (NRC) issued a 50.54(f) letter to all power reactor licensees and holders of construction permits in active or deferred status. Enclosure 1 of Reference 1 requested each addressee located in the Central and Eastern United States (CEUS) to submit a Seismic Hazard Evaluation and Screening Report within 1.5 years from the date of Reference | ||
: 1. Junction CC & Hwy 0 PO Box 620, MC CA-460 Fulton, MD 65251 AmerenMissouri.com STARS* Alliance | : 1. Junction CC & Hwy 0 PO Box 620, MC CA-460 Fulton, MD 65251 AmerenMissouri.com STARS* Alliance ************* | ||
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: 2) provides the information described in Section 7 of Reference 3 in accordance with the schedule identified in Reference | : 2) provides the information described in Section 7 of Reference 3 in accordance with the schedule identified in Reference | ||
: 2. Enclosure 1 to this letter contains regulatory commitments. | : 2. Enclosure 1 to this letter contains regulatory commitments. | ||
Should you have any questions concerning the content of this letter, please contact Scott Maglio, Regulatory Affairs Manager, at 573-676-8719. | Should you have any questions concerning the content of this letter, please contact Scott Maglio , Regulatory Affairs Manager, at 573-676-8719. | ||
I declare under penalty of perjury that the foregoing is true and correct. | I declare under penalty of perjury that the foregoing is true and correct. Sincerely, Executed on: /.:l-.,:2-t:/lcJit/- | ||
Sincerely, Executed on: /.:l-.,:2-t:/lcJit/- | |||
David W. Neterer Vice President, Nuclear Operations EMP | David W. Neterer Vice President, Nuclear Operations EMP | ||
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Any other statements in this document are provided for information purposes and are not considered commitments. | Any other statements in this document are provided for information purposes and are not considered commitments. | ||
Please direct questions regarding these commitments to Scott Maglio, Regulatory Affairs Manager, at 573-676-8719: | Please direct questions regarding these commitments to Scott Maglio, Regulatory Affairs Manager, at 573-676-8719: | ||
COMMITMENT Modify FLEX Support Guidelines to include operator actions to reset relays in Motor Control Centers NG03C and NG04C with HCLPF values less than the RLGM. Install a new "hardened" Condensate Storage Tank (CST) To address the Refueling Water Storage Tank (RWST), the following three tiered response will be performed as needed: 1) Re-evaluate FLEX response strategies to eliminate the need for the tank to be robust against all external hazards. | COMMITMENT Modify FLEX Support Guidelines to include operator actions to reset relays in Motor Control Centers NG03C and NG04C with HCLPF values less than the RLGM. Install a new "hardened" Condensate Storage Tank (CST) To address the Refueling Water Storage Tank (RWST), the following three tiered response will be performed as needed: 1) Re-evaluate FLEX response strategies to eliminate the need for the tank to be robust against all external hazards. 2) Re-analyze the tank based on the new GMRS used for the Seismic PRA. 3) Upgrade/replace the tank. HCLPF = high confidence of a low probability of failure RLGM = review level ground motion Due Date/Event COMN December 31, 2016 50400 End ofRF21, Spring 50401 2016 No later than the end 50402 of the second refueling outage after 12/31/14, currently RF22 scheduled for Fal12017}} | ||
Revision as of 09:33, 9 July 2018
ML14363A312 | |
Person / Time | |
---|---|
Site: | Callaway ![]() |
Issue date: | 12/22/2014 |
From: | Neterer D W Ameren Missouri |
To: | Document Control Desk, Office of Nuclear Reactor Regulation |
Shared Package | |
ML14363A311 | List: |
References | |
ULNRC-06161 | |
Download: ML14363A312 (5) | |
Text
MI S SOURI David W. Neterer Vice President-Nuclear Operations Ameren Missouri Callaway Energy Center c 573.544.5402 F 573.676.4056 dneterer@ameren.com