ULNRC-05876, Response to Request for Additional Information Re Adoption of National Fire Protection Association Standard NFPA 805

Response to Request for Additional Information Re Adoption of National Fire Protection Association Standard NFPA 805

ML12194A624
Person / Time
Site:	Callaway
Issue date:	07/12/2012
From:	Maglio S Ameren Missouri, Union Electric Co
To:	Office of Nuclear Reactor Regulation, Document Control Desk
Shared Package
ML121940741	List: ULNRC-05876, Response to Request for Additional Information Re Adoption of National Fire Protection Association Standard NFPA 805
References
ULNRC-05876
Download: ML12194A624 (4)

Text

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WAmeren Callaway Plant MISSOURI July 12, 2012 ULNRC-05876 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001 10 CFR 50.90 Ladies and Gentlemen:

DOCKET NUMBER 50-483 CALLAWAY PLANT UNIT 1 UNION ELECTRIC CO.

FACILITY OPERATING LICENSE NPF -30 RESPONSE TO REQUEST FOR ADDITIONAL INFORMATION REGARDING ADOPTION OF NATIONAL FIRE PROTECTION ASSOCIATION STANDARD NFPA 805 Reference 1): Ameren Missouri Letter ULNRC-05851, Response to Request for Additional Information Regarding Adoption ofNational Fire Protection Association Standard NFP A 805 dated April 17, 2012 (TAC No. ME7046)

On March 2, 2012, Callaway Plant formally received from the NRC Staff a request for additional information (RAI) related to the application request to adopt a new fire protection licensing basis based on NFPA 805 which complies with the requirements in 10 CFR 50.48(a) and (c) and the guidance in Revision 1 of Regulatory Guide (RG) 1.205, "Risk-Informed, Performance-Based Fire Protection for Existing Light-Water Nuclear Power Plants".

On April17, 2012 Ameren Missouri transmitted to the NRC Staff via Reference 1, responses to a portion of the RAI questions. On April 12th, 17th, & June 21th, 2012, teleconferences between Ameren Missouri and the NRC staff reviewers were conducted in which additional requests/questions on the remaining RAI's were discussed. Following these teleconferences the NRC provided to Ameren Missouri supplemental requests/questions to the original RAI's. The purpose of this letter is to provide the additional responses to the RAI transmittal dated March 2, 2012 including responses to the supplemental requests/questions identified during the teleconferences.

PO Box 620 Fulton, MD 65251 AmerenMissouri.com

ULNRC-05876 July 12, 2012 Page2 Enclosure 1 provides the RAI responses not provided in Reference 1.

Enclosure 1 also contains a description of changes to the license amendment request (LAR) that Ameren Missouri has identified as being warranted. Attachments are provided within the enclosure to show the LAR Transition Report changes from the original submittal.

Enclosure 2 provides the computer program input files requested in Fire Modeling RAis 2b, 3b and 3t.

This submittal does contain revised/new commitments which are provided in the revised LAR Transition Report Attachment S, Plant Modifications and Items to be Completed during Implementation.

The No Significant Hazards Consideration determination provided in the original submittal is not altered by the additional information provided in this letter.

If there are any questions, please contact Mr. Scott Maglio at (573) 676-8719 or Mr. Roger Wink at (314) 225-1561.

I declare under penalty of peijury that the foregoing is true and correct.

Sincerely, Executed on: '1 ftL- I U 11..-

~:~v Regulatory Affairs Manager

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.RCW/nls Enclosure 1, Request for Additional Information (RAI) with Callaway Plant Response Enclosure 2, Computer input files for Fire Modeling RAis 2b, 3b and 3t.

ULNRC-05876 July 12, 2012 Page 3 cc: U.S. Nuclear Regulatory Commission (Original and 1 copy)

Attn: Document Control Desk Washington, DC 20555-0001 Mr. Elmo E. Collins Regional Administrator U.S. Nuclear Regulatory Commission Region IV 1600 East Lamar Boulevard Arlington, TX 76011-4511 Senior Resident Inspector Callaway Resident Office U.S. Nuclear Regulatory Commission 8201 NRC Road Steedman, MO 65077 Mr. Andrew Hon Senior Project Manager, Callaway Plant Office ofNuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 0-8G 14 Washington, DC 20555-2738

ULNRC-05876 July 12, 2012 Page4 Index and send hardcopy to QA File A160.0761 Hardcopy:

Certrec Corporation 4150 International Plaza Suite 820 Fort Worth, TX 76109 (Certrec receives ALL attachments as long as they are non-safeguards and may be publicly disclosed.)

Electronic distribution for the following can be made via Tech Spec ULNRC Distribution:

A. C. Heflin F. M. Diya C. 0. Reasoner III D. W. Neterer L. H. Graessle J. S. Geyer S. A. Maglio R. Holmes-Bobo NSRB Secretary T. B. Elwood Mr. Bill Muilenburg (WCNOC)

Mr. Tim Hope (Luminant Power)

Mr. Ron Barnes (APS)

Mr. Tom Baldwin (PG&E)

Mr. Mike Murray (STPNOC)

Ms. Linda Conklin (SCE)

Mr. John O'Neill (Pillsbury Winthrop Shaw Pittman LLP)

Missouri Public Service Commission Mr. Dru Buntin (DNR)