ML12243A438

8/30/2012 Meeting - RR 48 UT Vs Rt Discussion

ML12243A438
Person / Time
Site:	Palo Verde
Issue date:	08/30/2012
From:	Timothy Lupold Piping and NDE Branch
To:
Gibson L
References
Download: ML12243A438 (6)

Text

UT vs. RT Discussions Tim Lupold, Chief Piping & NDE Branch Division of Engineering Office of Nuclear Reactor Regulation

ASME Code Cases

• N N-659/Rev 659/Rev 1: Section III

- RG 1.193: Not approved for use

• number of issues raised by NRC staff and the concerns expressed in the public comments

- Procedure/personnel demonstration qualification

- UT/RT effectiveness

ASME Code Cases

• N N-713:

713: Section XI

- RG 1.193: Not approved for use

• UT acceptance criterion Section III vsSection XI

• RT acceptance criterion vs UT acceptance criterion

• Qualification/demonstration of ultrasonic methods

• Interchangeabilit bet Interchangeability between een UT and RT

Arizona Public Service Company R li f R Relief Requestt 48

• ASME Class 2 carbon steel circumferential pipe weld joints

• Proposes p Phased Array y Ultrasonic Examination Techniques (PAUT) q

• Relief request approval pp by y February y 1,, 2013

• Palo Verde Nuclear Generating Station (PVNGS) for Units 1, 2, and 3

US NRC Research Activities

• NRR initiated a user need request (UNR) 2010-14

- Carol Nove will discuss the research

• UNR in progress at PNNL

• Scheduled S to complete in 2013

Summary y

• Issues

- Precedent setting SE

• Impact on New Reactors

- Timeline is short

• Reviewer is heavily loaded

- Broad scope

• Understanding

- Specific needs in 2013