ML071020345

E-MAIL: (PD) Revised Draft ACRS Fluence Slides2

ML071020345
Person / Time
Site:	Pilgrim
Issue date:	03/28/2007
From:	Ford B Entergy Nuclear Operations
To:	Perry Buckberg NRC/NRR/ADRO
References
TAC MD3698
Download: ML071020345 (6)

Text

Page 1 of 1 Perry Buckberg -Revised DARFT ACRS Fluence Slides From: "Ford, Bryan" <BFord@entergy.com>

To: "Perry Buckberg" <PHB 1 @nrc.gov>Date: 3/28/2007 4:28 PM t

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Revised DARFT ACRS Fluence Slides FYI file://C:\temp\GW 100001 .HTM 3/30/2007 I c:\temp\GW~ObOO4.TMP

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Creation Date From: Created By: Revised DARFT ACRS Fluence Slides 3/28/2007 4:27:54 PM"Ford, Bryan" <BFord@entergy.com>

BFord@entergy.com Recipients nrc.gov OWGWPO01 .HQGWDO01 PHB 1 (Perry Buckberg)Post Office OWGWPO01 .HQGWDO01 Route nrc.gov Files MESSAGE TEXT.htm UNTITLED.PPT Mime.822 Options Expiration Date: Priority: ReplyRequested:

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Security: Size 5 319 13312 21338 Date & Time 3/28/2007 4:27:54 PM None Standard No None No Standard Junk Mail Handling Evaluation Results Message is eligible for Junk Mail handling This message was not classified as Junk Mail Junk Mail settings when this message was delivered Junk Mail handling disabled by User Junk Mail handling disabled by Administrator Junk List is not enabled Junk Mail using personal address books is not enabled Block List is not enabled Reactor Vessel Neutron Fluence 01 4.2* Lack of benchmarking data to support plant specific fluence calculations for use in TLAAs Reactor Vessel Neutron Fluence Current Licensing Basis-10 CFR 50 App. G requirement for current operation-Current P-T curves valid through Cycle 18 (2011 RFO)-Commitment to Submit Action Plan for Resolution by September 15, 2007-Commitment to submit RG 1.190 calculations by June 8, 2010 Reactor Vessel Neutron Fluence Current Actions Evaluate TLAAs to determine limiting Fluence* Limiting Beltline Adjusted Reference Temperature

• Upper Shelf Energy" RPV Internals" RPV Welds* RPV nozzles near beltline-Core Shroud Fluence Limiting based on BWRVIP-35-Limiting Fluence values will not be challenged Reactor Vessel Neutron Fluence Future Actions-Benchmark Computer Code using Pilgrim or other BWR3 Dosimetry Data Previous commitment to submit action plan by September 15, 2007-License Condition to submit calculations consistent with RG 1.190 by June 8, 2010 which demonstrate limiting fluence values will not be reached during period of extended operation.