ML14174B129

Request for Additional Information

ML14174B129
Person / Time
Site:	Farley, 05000384
Issue date:	07/02/2014
From:	Shawn Williams Plant Licensing Branch II
To:	Pierce C Southern Nuclear Operating Co
Williams S
References
TAC MF3687, TAC MF3688
Download: ML14174B129 (3)

Text

l, UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 July 2, 2014 Mr. C. R. Pierce Regulatory Affairs Director Southern Nuclear Operating Co., Inc.

P.O. Box 1295, Bin 038 Birmingham, AL 35201-1295

SUBJECT:

JOSEPH M. FARLEY NUCLEAR PLANT, UNITS 1 AND 2, REQUEST FOR ADDITIONAL INFORMATION (TAG NOS. MF3687 AND MF3688)

Dear Mr. Pierce:

By letter dated March 24, 2014, the Southern Nuclear Operating Company, Inc. (SNC, the licensee) submitted a proposed alternative to the inservice inspection requirement of ASME Code Case N-770-1 for the reactor pressure vessel cold leg nozzle dissimilar metal welds for Joseph M. Farley Nuclear Plant, Units 1 and 2, during the fourth inservice inspectio_n interval.

The U.S. Nuclear Regulatory Commission staff has determined that additional information is needed as discussed in the Enclosure. We request that SNC respond within 30 days of the date of this letter. Please note that the NRC staff's review is continuing and further requests for information may be developed.

Sincerely, Shawn Williams, Project Manager Plant Licensing Branch, 11-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Do.cket Nos. 50-348 and 50-364

Enclosure:

Request for Additional Information cc w/encl: Distribution via Listserv

REQUEST FOR ADDITIONAL INFORMATION JOSEPH M. FARLEY NUCLEAR PLANT. UNITS 1 AND 2 PROPOSED ALTERNATIVE. FNP-ISI-ALT-15. VERSION 1.0 .

REGARDING DEFERRAL OF INSERVICE INSPECTION OF REACTOR PRESSURE VESSEL COLD LEG NOZZLE DISSIMILAR METAL WELD SOUTHERN NUCLEAR OPERATING COMPANY, INC.

DOCKET NOS. 50-348 AND 50-364 By letter dated March 24, 2014 (Agencywide Documents Access and Management System .

(ADAMS) Accession No. ML14084A203), Southern Nuclear Operating Company (the licensee) submitted for the U.S. Nuclear Regulatory Commission (NRC) approval request for alternative (RFA) FNP-ISI-ALT-15, Version 1. The licensee proposed an alternative to a certain

• requirement of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code (ASME Code),Section XI. The request relates to the inservice inspection (lSI) requirement of ASME Code Case N-770-1 for the reactor pressure vessel (RPV) cold leg nozzle dissimilar metal (DM) welds. The licensee submitted the request for the Joseph M. Farley Nuclear Plant (Farley), Units 1 and 2.

The NRC staff requests the following additional information.

RAJ N0.1 Provide detail description of the geometric and surface conditions of the ASME Code required inside diameter (I D) surface area of the subject DM welds examined by the eddy current testing (ET).

RAJ NO.2 Discuss whether the full examination coverage of the ASME Code required surface area of the DM welds was obtained when performing the ET from the ID surface.

RAJ NO.3 Describe the qualification process used forth~ ET procedure.

RAJ NO.4 What is the longest and deepest ID surface-connected flaw that the ET procedure would not be qualified to detect?

Enclosure

July 2, 2014 Mr. C. R. Pierce Regulatory Affairs Director Southern Nuclear Operating Co., Inc.

P.O. Box 1295, Bin 03.8 Birmingham, AL 35201-1295

SUBJECT:

JOSEPH M. FARLEY NUCLEAR PLANT, UNITS 1 AND 2, REQUEST FOR ADDITIONAL INFORMATION (TAC NOS. MF3687 AND MF3688)

Dear Mr. Pierce:

By letter dated March 24, 2014, the Southern Nucl~ar Operating Company, Inc. (SNC, the licensee) submitted a proposed alternative to the inservice inspection requirement of ASME Code Case N-770-1 for the reactqr pressure vessel cold leg nozzle dissimilar metal welds for Joseph M. Farley Nuclear Plant, Units 1 and 2, during the fourth inservice inspection interval.

The U.S. Nuclear Regulatory Commission staff has determined that additional information is needed as discussed in the Enclosure. We request that SNC respond within 30 days of the date of this letter. Please note that the NRC staff's review is continuing and further requests for information may be developed.

Sincerely,

/RAJ Shawn Williams, Project Manager Plant Licensing Branch, 11-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-348 and 50-364

Enclosure:

Request for Additional Information cc w/encl: Distribution via Listserv DISTRIBUTION PUBLIC LPL2-1 R/F RidsAcrsAcnw_MaiiCTR Resource RidsNrrDoriDpr Resource RidsNrrDorllpl2-1 Resource RidsRgn2MaiiCenter Resource RidsNrrLASFigueroa Resource RidsNrrDe Resource RidsNrrPMFarley Resource ARezai, NRR ADAMS Access1on No.: ML141748129 *concurrence bJY e-ma1'I OFFICE LPL2-1/PM LPL2-1/LA DE/ESGB/BC LPL2-1/BC LPL2-1/PM NAME SWilliams SFigueroa GKulesa* RPascarelli SWilliams DATE 06/23/14 06/30/14 06/23/14 07/02/14 07/02/14 OFFICIAL RECORD COPY