ML12108A239

Callaway, Unit 1, Response to Request for Additional Information Regarding Adoption of National Fire Protection Association Standard NFPA 805 (TAC ME7046)

ML12108A239
Person / Time
Site:	Callaway
Issue date:	04/17/2012
From:	Maglio S A Ameren Missouri
To:	Document Control Desk, Office of Nuclear Reactor Regulation
Shared Package
ML121080490	List: ML12108A240 ULNRC-05851, Response to Request for Additional Information Regarding Adoption of National Fire Protection Association Standard NFPA 805
References
TAC ME7046, ULNRC-05851
Download: ML12108A239 (4)

Text

WAmeren MISSOURI April 17, 2012 ULNRC-05851 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001 Ladies and Gentlemen:

10 CFR 50.90 DOCKET NUMBER 50-483 CALLAWAY PLANT UNIT 1 UNION ELECTRIC CO. FACILITY OPERATING LICENSE NPF-30 Callaway Plant RESPONSE TO REQUEST FOR ADDITIONAL INFORMATION REGARDING ADOPTION OF NATIONAL FIRE PROTECTION ASSOCIATION STANDARD NFPA 805 (TAC No. ME7046)

Reference:

1) Ameren Missouri Letter ULNRC-05781, "Request for License Amendment to Adopt NFPA 805, 'Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants (2001 Edition)' (License Amendment Request LDCN 11-0012)," dated August 29, 2011.

Reference:

2) Ameren Missouri Letter ULNRC-05823, "Clarification oflnformation Contained in Request for License Amendment to Adopt NFPA 805, 'Performance-Based Standard for Fire Protection for Light Water Reactor Generating Plants (2001 Edition)' (LDCN 11-0012)," dated November 9, 2011. In Reference 1, Union Electric Company (dba Ameren Missouri) requested an amendment to Facility Operating License Number NPF-30 for the Callaway Plant pursuant to 10 CFR 50.90. The letter and its attachments were submitted for the purpose of adopting 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." In Reference 2 supplemental information requested by the Nuclear Regulatory Commission (NRC) Staff was provided in order to complete the acceptance review of the application.

PO Box 620 Fulton, MD 65251 AmerenMissouri.com ULNRC-05851 April 17, 2012 Page2 On March 2, 2012 Callaway Plant formally received from the NRC Staff a request for additional information (RAI) related to this application request (Reference Agencywide Documents Access and Management System (ADAMS) Accession No. ML120600186).

On April12, 2012 a teleconference with the NRC Staff was conducted to discuss draft responses to the RAI discussed above. During this teleconference, Ameren Missouri was requested to withhold responses to certain RAI questions in order to resolve follow-up questions as well as allow additional time for the NRC Staff to complete its review of the remaining draft responses.

The purpose of this letter is to provide the responses to RAI questions which have been determined acceptable to the NRC Staff. The responses to the remaining RAI questions will be provided based on an agreed upon completion date with the NRC Staff during the week of April 16, 2012. Enclosure 1 provides the available RAI question responses.

Enclosure 1 also contains a description of changes to the license amendment request (LAR) that Ameren Missouri has identified in connection with responding to the RAI. Attachments are provided with the enclosure to show the LAR Transition Report changes from the original submittal.

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. Ifthere 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 perjury that the foregoing is true and correct. Sincerely, Executed on: t.f/ 11 /'ZDI Xlt<>t{A.

V Scott A. Maglio Regulatory Affairs Manager RCW/nls Enclosure 1 : Request for Additional Information (RAI) with Callaway Plant Response ULNRC-05851 April17, 2012 Page3 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. Mohan C. Thadani (2 copies) Senior Project Manager, Callaway Plant Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Mail Stop 0-8B 1 Washington, DC 20555-2738 ULNRC-05851 April 17, 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. Wayne Harrison (STPNOC) Ms. Linda Conklin (SCE) Mr. John O'Neill (Pillsbury Winthrop Shaw Pittman LLP) Missouri Public Service Commission Mr. Dru Buntin (DNR)