ML102630535

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Request for Additional Information from the Component Performance and Testing Branch Regarding Preservice Inspection Program Plan
ML102630535
Person / Time
Site: Watts Bar Tennessee Valley Authority icon.png
Issue date: 09/28/2010
From: Justin Poole
Watts Bar Special Projects Branch
To: Bhatnagar A
Tennessee Valley Authority
Poole Justin/DORL/LPL3-1/ 301-415-2048
References
TAC ME3113
Download: ML102630535 (3)


Text

September 28, 2010 Mr. Ashok S. Bhatnagar Senior Vice President Nuclear Generation Development and Construction Tennessee Valley Authority 6A Lookout Place 1101 Market Street Chattanooga, TN 37402-2801

SUBJECT:

WATTS BAR NUCLEAR PLANT, UNIT 2 - REQUEST FOR ADDITIONAL INFORMATION FROM THE COMPONENT PERFORMANCE AND TESTING BRANCH REGARDING PRESERVICE INSPECTION PROGRAM PLAN (TAC NO. ME3113)

Dear Mr. Bhatnagar:

By letter dated June 17, 2010 (Agencywide Documents Access and Management System Accession No. ML101680561), the Tennessee Valley Authority (TVA) submitted the Preservice Inspection Program Plan (PSI) as part of the Final Safety Analysis Report for Watts Bar Nuclear Plant, Unit 2. The U.S. Nuclear Regulatory Commission (NRC) staff has reviewed the information provided by TVA.

In an effort to complete the NRC staff review, enclosed is a request for additional information (RAI) regarding the PSI Program Plan.

A response is required by October 8, 2010.

If you should have any questions, please contact me at 301-415-2048.

Sincerely,

/RA/

Justin C. Poole, Project Manager Watts Bar Special Projects Branch Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-391

Enclosure:

RAI cc w/encl: Distribution via Listserv

Mr. Ashok S. Bhatnagar Senior Vice President Nuclear Generation Development and Construction Tennessee Valley Authority 6A Lookout Place 1101 Market Street Chattanooga, TN 37402-2801

SUBJECT:

WATTS BAR NUCLEAR PLANT, UNIT 2 - REQUEST FOR ADDITIONAL INFORMATION FROM THE COMPONENT PERFORMANCE AND TESTING BRANCH REGARDING PRESERVICE INSPECTION PROGRAM PLAN (TAC NO. ME3113)

Dear Mr. Bhatnagar:

By letter dated June 17, 2010 (Agencywide Documents Access and Management System Accession No. ML101680561), the Tennessee Valley Authority (TVA) submitted the Preservice Inspection Program Plan (PSI) as part of the Final Safety Analysis Report for Watts Bar Nuclear Plant, Unit 2. The U.S. Nuclear Regulatory Commission (NRC) staff has reviewed the information provided by TVA.

In an effort to complete the NRC staff review, enclosed is a request for additional information (RAI) regarding the PSI Program Plan.

A response is required by October 8, 2010.

If you should have any questions, please contact me at 301-415-2048.

Sincerely,

/RA/

Justin C. Poole, Project Manager Watts Bar Special Projects Branch Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket No. 50-391

Enclosure:

RAI cc w/encl: Distribution via Listserv DISTRIBUTION:

RidsOgcRp Resource RidsRgn2MailCenter Resource PUBLIC RidsNrrDorlLpwb Resource RidsNrrDciCptb Resource LPWB Reading File RidsNrrLABClayton Resource RidsNrrPMWattsBar2 Resource RidsAcrsAcnw_MailCTR Resource RidsNrrDorlDpr ADAMS Accession No. ML102630535 OFFICE LPWB/PM LPWB/LA CPTB/BC OGC LPWB/BC NAME JPoole BClayton AMcMurtray DRoth SCampbell DATE 09 / 21 /10 09 / 21 /10 09 / 21 /10 09 / 27/10 09 / 28 /10 OFFICIAL AGENCY RECORD

Enclosure REQUEST FOR ADDITIONAL INFROMATION WATTS BAR NUCLEAR PLANT, UNIT 2 PRESERVICE INSPECTION PROGRAM PLAN TENNESSEE VALLEY AUTHORITY DOCKET NO. 50-391 The Nuclear Regulatory Commission (NRC) staff has reviewed and evaluated the information submitted by Tennessee Valley Authority (the licensee) in its letter dated June 17, 2010 (Agencywide Documents Access and Management System Accession No. ML101680561), in which the licensee proposed its Preservice Inspection (PSI) Program Plan in accordance with Title 10 of the Code of Federal Regulations (10 CFR), Section 50.55a for Watts Bar Nuclear Plant (WBN), Unit 2. The licensee requested NRC to review its proposed PSI Program Plan for WBN, Unit 2 to the American Society of Mechanical Engineers Boiler and Pressure Vessel Code (ASME Code),Section XI inspection requirements. The applicable ASME Code,Section XI code of record for the WBN, Unit 2 PSI Program Plan is the 2001 Edition through the 2003 Addenda.

In Section 3.4.1.4, the licensee stated that [t]he IWF-5000 requirements for preservice examination and testing of snubbers will be performed using Subsection ISTD of the ASME/ANSI OM Code 2001 Edition through 2003 OMb Addenda, as permitted by 10 CFR 50.55a(b)(3)(v). Examination shall be performed using the VT-3 visual examination method described in IWA-2213. A similar statement is made in Section 3.18.3.

Please explain what WBN procedures or part of the ASME OM Code Subsection ISTD will be used for snubbers inservice visual examination and testing, because the submittal only includes various WBN procedures for visual examination and nondestructive examination related to ASME Section XI.