ML13015A022

Lr Hearing - FW: Review Summary of Telecon for Comments: from December 12, 2012 Conference Call

ML13015A022
Person / Time
Site:	Indian Point
Issue date:	01/15/2013
From:	Office of Nuclear Reactor Regulation
To:	Division of License Renewal
References
Download: ML13015A022 (3)

Text

IPRenewal NPEmails From: Daily, John Sent: Tuesday, January 15, 2013 6:57 AM To: IPRenewal NPEmails

Subject:

FW: Review summary of telecon for comments: from December 12, 2012 conference call John Daily Senior Project Manager, Division of License Renewal Office of Nuclear Reactor Regulation USNRC John.Daily@NRC.Gov (301) 415-3873 From: Waters, Roger M. [1]

Sent: Thursday, January 10, 2013 4:08 PM To: Daily, John

Subject:

RE: Review summary of telecon for comments: from December 12, 2012 conference call

John, Entergy has no comments on this draft.

During next week Adi Irani (914-254-6618) will be following license renewal during my absence.

Thanks for the opportunity to review.

Roger Waters IPEC Licensing 914-254-7714 From: Daily, John [2]

Sent: Wednesday, January 09, 2013 10:16 AM To: Waters, Roger M.; Poehler, Jeffrey Cc: IPRenewal NPEmails

Subject:

Review summary of telecon for comments: from December 12, 2012 conference call Importance: High Please review for comments or questions and let me know by COB Friday 1/11/13.

Thanks.

John Daily Senior Project Manager, Division of License Renewal Office of Nuclear Reactor Regulation USNRC John.Daily@NRC.Gov (301) 415-3873 RAI-11a Reactor Vessel Internals Program and MRP-227-A 1

The staff noted that it had requested additional information on the approach to be used for the plant-specific evaluation of the lower support column bodies. The applicants response indicates it plans to use a screening approach using the screening criteria for thermal aging embrittlement susceptibility from the staffs letter License Renewal Issue No. 98-0030, Thermal Aging Embrittlement of Cast Austenitic Stainless Steel Components, dated May 19, 2000 (NRC ADAMS Accession No. ML003717179). The applicant had provided a table of screening criteria based on chemistry, casting method, and delta ferrite content. The staff also noted that its recommendation that, in order to account for a potential synergistic effect on loss of fracture toughness due to the combined effects of thermal embrittlement (TE) and neutron irradiation embrittlement (IE), the applicant should perform component-specific assessments for components that will experience neutron fluence of 1x1017 neutrons per square centimeter (n/cm2) or greater.

Finally, the staff noted that MRP-191 indicates a threshold value that was significantly different from this recommendation.

The staff and Entergy discussed these issues and agreed to clarify the RAI in that, if the applicant desired to use a fluence value other than 1x1017 n/cm2, then it will add justification as to why its stated threshold value is appropriate for Units 2 and 3.

In addition, in view of an expected industry template response to this issue due to be released in January 2013, the staff and Entergy agreed that the reply window for this RAI set would be 90 days from date of issue so the applicant can take the template into account in its response.

The applicant agreed that it would take the staff's questions into account as it prepares its response to RAI 11a. Both the staff and the applicant agreed that the discussion was useful in clarifying the RAI.

(Note: subsequent to the call it was determined to combine RAIs 11a and 15a into one issue letter, in January 2013.)

LIST OF PARTICIPANTS December 12, 2012 PARTICIPANT AFFILIATION John Daily Nuclear Regulatory Commission (NRC)

Jeff Poehler NRC Pat Purtcher NRC Roger Waters Entergy Nelson Azevedo Entergy Ted Ivy Entergy Bob Dolansky Entergy Cheryl Boggess Westinghouse Randy Lott Westinghouse Joshua McKinley Westinghouse Karli Szweda Westinghouse 2

Hearing Identifier: IndianPointUnits2and3NonPublic_EX Email Number: 4028 Mail Envelope Properties (0046140293E11F408991442DB4FE25CAA0A1C9C3B0)

Subject:

FW: Review summary of telecon for comments: from December 12, 2012 conference call Sent Date: 1/15/2013 6:57:21 AM Received Date: 1/15/2013 6:57:22 AM From: Daily, John Created By: John.Daily@nrc.gov Recipients:

"IPRenewal NPEmails" <IPRenewal.NPEmails@nrc.gov>

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