ML15104A148

Acceptance Review Results for WBN, Unit 2 Request for Alternative Containment ISI Utilizing ASME Code Section XI, 2007-2008

ML15104A148
Person / Time
Site:	Watts Bar
Issue date:	04/14/2015
From:	Minarik A Watts Bar Special Projects Branch
To:	Bryan R Tennessee Valley Authority
References
Download: ML15104A148 (2)

Text

1 NRR-PMDAPEm Resource From: Minarik, Anthony Sent: Tuesday, April 14, 2015 8:43 AM To: Bryan, Robert H Jr (rhbryan@tva.gov

); Arent, Gordon (garent@tva.gov)

Cc: Poole, Justin

Subject:

Acceptance Review Results for WBN, Unit 2 Request for Alternative RE: Containment ISI Utilizing ASME Code Section XI, 2007-2008Mr. Bryan:

By letter dated March 17, 2015, Tennessee Valley Authority, submitted a request to use an alternative Edition and Addenda of American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code Section XI for the Watts Bar Nuclear Plant (WBN) Unit 2 Containment lnservice Inspection (CISI) Program. The CISI Program applicable to WBN Unit 2 is the ASME Code Class MC (Metallic Containment) components for the initial 120-month inspection interval. The proposed alternative requests the use of the 2007 Edition with 2008 Addenda of ASME Code Section XI per 10 CFR 50.55a(b)(2) as conditioned by 10 CFR 50.55a(b)(2)(ix) on the date 12 months prior to Full-Power Licensing of WBN Unit 2.

Based on a review of this request for an alternative for technical sufficiency, it is determined that the construction permit holder has provided adequate information for conducting a detailed technical review regarding the use of an alternative Edition and Addenda of ASCE Code Section XI for the WBN Unit 2 CISI Program. It should be noted that additional information may be needed (via RAI) in support of the NRC's safety evaluation.

Anthony Minarik 301-415-6185

Office of Nuclear Reactor Regulation (NRR)

Division of Operating Reactor Licensing (DORL)

Watts Bar Special Projects Branch (LPWB)

Normal Hours:

0600-1545: Mon-Fri

Hearing Identifier: NRR_PMDA Email Number: 1993 Mail Envelope Properties (Anthony.Minarik@nrc.gov20150414084300)

Subject:

Acceptance Review Results for WBN, Unit 2 Request for Alternative RE: Containment ISI Utilizing ASME Code Section XI, 2007-2008 Sent Date: 4/14/2015 8:43:28 AM Received Date: 4/14/2015 8:43:00 AM From: Minarik, Anthony Created By: Anthony.Minarik@nrc.gov Recipients: "Poole, Justin" <Justin.Poole@nrc.gov> Tracking Status: None "Bryan, Robert H Jr (rhbryan@tva.gov)" <rhbryan@tva.gov> Tracking Status: None "Arent, Gordon (garent@tva.gov)" <garent@tva.gov>

Tracking Status: None Post Office: Files Size Date & Time MESSAGE 1376 4/14/2015 8:43:00 AM

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