ML073040232
| ML073040232 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 09/26/2007 |
| From: | Rowley J NRC/NRR/ADRO/DLR |
| To: | Legin Group |
| References | |
| TAC MD2297 | |
| Download: ML073040232 (2) | |
Text
Page 1 of I Jonathan Rowley - saving a trip From: Jonathan Rowley To: mcrespo@legin.com Date: 09/26/2007 10:57:36 AM
Subject:
saving a trip Maria There are several things I owe you for insertion into the VY SER. I have a three small changes which is not worth the gas of driving to the Legin office, thus this e-mail.
- 1) In Section 3.3.2.3.25 (Feedwater ...... ), I had a space holder for TLAA-metal fatigue. Delete that line.
There will be no additional information added to this section
- 2) In Section 3.3.2.3.64 (Main Steam ...... ), I had a space holder for TLAA-metal fatigue. Delete that line. There will be no additional information added to this section
- 3) In Section 3.3.2.3.60 (Extraction Steam .... ), insert the following two paragraphs immediately after the section number and title:
In Section In LRA Table 3.3.2-13-48, the applicant proposed to manage cracking due to fatigue for stainless steel expansion joints exposed to steam or treated water greater than 270?F using metal fatigue TLAA.
The staff reviewed the applicant's metal fatigue TLAA for non-Class 1 components and its evaluation is documented in SER Section 4.3.2. The staff finds that the number of thermal cycles for non-Class 1 (ANSI B31.1 Code) piping and components is less than 7000 cycles for 60-years of operation. Therefore, the TLAA for non-Class 1 piping and components remains valid for the period of extended operation in compliance with 10 CFR 54.21(c)(i).
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saving a trip Creation Date 09/26/2007 10:57:36 AM From: Jonathan Rowley Created By: JGR(ad.nrc.gov Recipients Action Date & Time legin.com Transferred 09/26/2007 10:57:54 AM mcrespo (mcrespo(clegin.com)
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