ML083231016: Difference between revisions
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| author name = Hufnagel J | | author name = Hufnagel J | ||
| author affiliation = Exelon Corp | | author affiliation = Exelon Corp | ||
| addressee name = Ashley D | | addressee name = Ashley D | ||
| addressee affiliation = NRC/NRR | | addressee affiliation = NRC/NRR | ||
| docket = 05000219 | | docket = 05000219 | ||
| Line 16: | Line 16: | ||
=Text= | =Text= | ||
{{#Wiki_filter:Donnie Ashley From: <john.hufnagel@exeloncorp.com> | {{#Wiki_filter:Donnie Ashley From: <john.hufnagel@exeloncorp.com> Uohn.hufnagel@exeloncorp.com] | ||
Uohn.hufnagel@exeloncorp.com] | Sent: Friday, April 11, 2008 4:07 PM To: Donnie Ashley | ||
Sent: Friday, April 11, 2008 4:07 PM To: Donnie Ashley | |||
==Subject:== | ==Subject:== | ||
RE: draft -summary of telecon Follow Up Flag: Follow up Flag Status: Flagged bonnie, First, you have Gary Stevens name spelled correctly, and he works for Structural Integrity Associates, Inc.The words look pretty good, but I have asked a couple of the guys who were on the call to take a look also. Mike Guthrie indicated he has a comment or two, and I want to consolidate any comments and get them to you. I will plan to contact you Monday in the morning, before I head off to TMI. Thanks, bonnie.-John,----- Original Message -----From: D. Ashley [mailto:DJA1@nrc.gov] | RE: draft - summary of telecon Follow Up Flag: Follow up Flag Status: Flagged | ||
Sent: Thursday, April 10, 2008 12:48 PM To: Hufnagel Jr, John G | : bonnie, First, you have Gary Stevens name spelled correctly, and he works for Structural Integrity Associates, Inc. | ||
The words look pretty good, but I have asked a couple of the guys who were on the call to take a look also. Mike Guthrie indicated he has a comment or two, and I want to consolidate any comments and get them to you. I will plan to contact you Monday in the morning, before I head off to TMI. Thanks, bonnie. | |||
- John, | |||
-----Original Message ----- | |||
From: D. Ashley [mailto:DJA1@nrc.gov] | |||
Sent: Thursday, April 10, 2008 12:48 PM To: Hufnagel Jr, John G | |||
==Subject:== | ==Subject:== | ||
draft -summary of telecon John-I have to go to a meeting in a few minutes and am off on Friday.Here is the first cut at a summary of our telecon.please review and comment.also, I need the name of the company that Gary Stevens works for....Is his name spelled correctly?-Donnie DISCUSSION OF INDUSTRY EXPERIENCE OYSTER CREEK NUCLEAR GENERATING STATION LICENSE RENEWAL APPLICATION April 7, 2008 The U.S. Nuclear Regulatory Commission staff (NRC or the staff), and representatives of AmerGen Energy Company, LLC (AmerGen or the applicant), held a telephone conference call on April 7, 2008, to discuss the question of industry experience as it relates to metal fatigue and the use of simplified calculations in the "Fatigue Pro" software program. The conference call was useful in clarifying the applicant's use of the "Fatigue Pro" software.16 During the evaluation of the Vermont Yankee license renewal application and hearing process, the staff has become aware that the industry may be using a non-conservative calculation to evaluate metal fatigue in BWRs.The calculation involves the use of "Green Functions" as a simplification to the analysis.The applicant stated that the only component where Green Functions were used is the Reactor Recirculation outlet nozzle. None of the other calculations involved the use of Green Functions The applicant stated that they were aware of the issue. The applicant stated that they have plans to perform a confirmatory analysis of the outlet nozzle, using the more conservative calculations, to insure that the components cumulative usage factor (CUF) is within specifications. | draft - summary of telecon John-I have to go to a meeting in a few minutes and am off on Friday. | ||
The applicant will provide the results of the analysis to the staff. The applicant plans to complete the analysis within 30 days.Donnie Ashley NRR/DLR/RPB1 License Renewal Project Manager for Oyster Creek 301-415-3191 dial (nrc.gov************************************************This e-mail and any of its attachments may contain Exelon Corporation proprietary informat n, which is prileged, confidential, or subject to copyright belonging to the Exelon Corporation family of Comr meies.iis e-mail is intended solely for the use of the individual or entity to which it is addressed. | Here is the first cut at a summary of our telecon. | ||
If you are t the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution, cop , or a *on taken in relation to the contents of and attachments to this e-mail is strictly prohibi and may be un wful. If you have received this e-mail in error, please notify the sender immediately anpermanently delete the"riginal and any copy of this e-mail and any printout. | please review and comment. | ||
Thank You. *17}} | also, I need the name of the company that Gary Stevens works for.... | ||
Is his name spelled correctly? | |||
-Donnie DISCUSSION OF INDUSTRY EXPERIENCE OYSTER CREEK NUCLEAR GENERATING STATION LICENSE RENEWAL APPLICATION April 7, 2008 The U.S. Nuclear Regulatory Commission staff (NRC or the staff), and representatives of AmerGen Energy Company, LLC (AmerGen or the applicant), held a telephone conference call on April 7, 2008, to discuss the question of industry experience as it relates to metal fatigue and the use of simplified calculations in the "Fatigue Pro" software program. The conference call was useful in clarifying the applicant's use of the "Fatigue Pro" software. | |||
16 | |||
During the evaluation of the Vermont Yankee license renewal application and hearing process, the staff has become aware that the industry may be using a non-conservative calculation to evaluate metal fatigue in BWRs. | |||
The calculation involves the use of "Green Functions" as a simplification to the analysis. | |||
The applicant stated that the only component where Green Functions were used is the Reactor Recirculation outlet nozzle. None of the other calculations involved the use of Green Functions The applicant stated that they were aware of the issue. The applicant stated that they have plans to perform a confirmatory analysis of the outlet nozzle, using the more conservative calculations, to insure that the components cumulative usage factor (CUF) is within specifications. | |||
The applicant will provide the results of the analysis to the staff. The applicant plans to complete the analysis within 30 days. | |||
Donnie Ashley NRR/DLR/RPB1 License Renewal Project Manager for Oyster Creek 301-415-3191 dial (nrc.gov | |||
************************************************This e-mail and any of its attachments may contain Exelon Corporation proprietary informat n, which is prileged, confidential, or subject to copyright belonging to the Exelon Corporation family of Comr meies.iis e-mail is intended solely for the use of the individual or entity to which it is addressed. If you are t the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution, cop , or a *on taken in relation to the contents of and attachments to this e-mail is strictly prohibi and may be un wful. If you have received this e-mail in error, please notify the sender immediately anpermanently delete the"riginal and any copy of this e-mail and any printout. Thank You. | |||
* 17}} | |||
Latest revision as of 12:03, 14 November 2019
| ML083231016 | |
| Person / Time | |
|---|---|
| Site: | Oyster Creek |
| Issue date: | 04/11/2008 |
| From: | Hufnagel J Exelon Corp |
| To: | Ashley D Office of Nuclear Reactor Regulation |
| References | |
| FOIA/PA-2008-0306 | |
| Download: ML083231016 (2) | |
Text
Donnie Ashley From: <john.hufnagel@exeloncorp.com> Uohn.hufnagel@exeloncorp.com]
Sent: Friday, April 11, 2008 4:07 PM To: Donnie Ashley
Subject:
RE: draft - summary of telecon Follow Up Flag: Follow up Flag Status: Flagged
- bonnie, First, you have Gary Stevens name spelled correctly, and he works for Structural Integrity Associates, Inc.
The words look pretty good, but I have asked a couple of the guys who were on the call to take a look also. Mike Guthrie indicated he has a comment or two, and I want to consolidate any comments and get them to you. I will plan to contact you Monday in the morning, before I head off to TMI. Thanks, bonnie.
- John,
Original Message -----
From: D. Ashley [1]
Sent: Thursday, April 10, 2008 12:48 PM To: Hufnagel Jr, John G
Subject:
draft - summary of telecon John-I have to go to a meeting in a few minutes and am off on Friday.
Here is the first cut at a summary of our telecon.
please review and comment.
also, I need the name of the company that Gary Stevens works for....
Is his name spelled correctly?
-Donnie DISCUSSION OF INDUSTRY EXPERIENCE OYSTER CREEK NUCLEAR GENERATING STATION LICENSE RENEWAL APPLICATION April 7, 2008 The U.S. Nuclear Regulatory Commission staff (NRC or the staff), and representatives of AmerGen Energy Company, LLC (AmerGen or the applicant), held a telephone conference call on April 7, 2008, to discuss the question of industry experience as it relates to metal fatigue and the use of simplified calculations in the "Fatigue Pro" software program. The conference call was useful in clarifying the applicant's use of the "Fatigue Pro" software.
16
During the evaluation of the Vermont Yankee license renewal application and hearing process, the staff has become aware that the industry may be using a non-conservative calculation to evaluate metal fatigue in BWRs.
The calculation involves the use of "Green Functions" as a simplification to the analysis.
The applicant stated that the only component where Green Functions were used is the Reactor Recirculation outlet nozzle. None of the other calculations involved the use of Green Functions The applicant stated that they were aware of the issue. The applicant stated that they have plans to perform a confirmatory analysis of the outlet nozzle, using the more conservative calculations, to insure that the components cumulative usage factor (CUF) is within specifications.
The applicant will provide the results of the analysis to the staff. The applicant plans to complete the analysis within 30 days.
Donnie Ashley NRR/DLR/RPB1 License Renewal Project Manager for Oyster Creek 301-415-3191 dial (nrc.gov
- This e-mail and any of its attachments may contain Exelon Corporation proprietary informat n, which is prileged, confidential, or subject to copyright belonging to the Exelon Corporation family of Comr meies.iis e-mail is intended solely for the use of the individual or entity to which it is addressed. If you are t the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution, cop , or a *on taken in relation to the contents of and attachments to this e-mail is strictly prohibi and may be un wful. If you have received this e-mail in error, please notify the sender immediately anpermanently delete the"riginal and any copy of this e-mail and any printout. Thank You.
- 17