ML14157A241: Difference between revisions

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| number = ML14157A241
| number = ML14157A241
| issue date = 06/04/2014
| issue date = 06/04/2014
| title = Unit 2, Regarding the Licensees Updated Schedule to Respond to NRCs NFPA-805 Request for Additional Information
| title = NRR E-mail Capture - Joseph M. Farley, Unit 1 and Unit 2, Regarding the Licensees Updated Schedule to Respond to NRCs NFPA-805 Request for Additional Information
| author name = Branum J
| author name = Branum J
| author affiliation = Southern Nuclear Operating Co, Inc
| author affiliation = Southern Nuclear Operating Co, Inc
Line 17: Line 17:


=Text=
=Text=
{{#Wiki_filter:1 NRR-PMDAPEm Resource From: Branum, Jeff K. [JKBRANUM@southernco.com]
{{#Wiki_filter:NRR-PMDAPEm Resource From:                       Branum, Jeff K. [JKBRANUM@southernco.com]
Sent: Wednesday, June 04, 2014 3:45 PM To: Williams, Shawn; Miller, Barry
Sent:                       Wednesday, June 04, 2014 3:45 PM To:                         Williams, Shawn; Miller, Barry


==Subject:==
==Subject:==
Detailed Activities Follow Up Flag:
Detailed Activities Follow Up Flag:             Follow up Flag Status:                 Flagged Shawn, Barry, The results of the composite effects of the revisions to the Farley Fire PRA model are significant. Additional refinements are necessary. Additional modifications to plant may be necessary for Unit 2 to lower the risk numbers.
Follow up Flag Status:
The detailed activities that are now required due to the revisions to the Fire PRA model are listed below. The main activities are the refinements to the models and the resulting revisions to the Fire Risk Evaluations (FREs). The results of the Fire PRA model composite effects will be provided by July 3 2014. Currently revisions to 159 FREs will be necessary and will require until August 29, 2014 to complete. This is an aggressive schedule and SNC is pursuing improvements, if possible. The main activities necessary are:
Flagged Shawn, Barry, The results of the composite effects of the revisions to the Farley Fire PRA model are significant. Additional refinements are necessary. Additional modifications to plant may be necessary for Unit 2 to lower the risk numbers. The detailed activities that are now required due to the revisions to the Fire PRA model are listed below. The main activities are the refinements to the models and the resulting revisions to the Fire Risk Evaluations (FREs). The results of the Fire PRA model composite effects will be provided by July 3 2014. Currently revisions to 159 FREs will be necessary and will require until August 29, 2014 to complete. This is an a ggressive schedule and SNC is pursuing improvements, if possible. The main activities necessary are:
* Fire PRA model updates and refinements
* Fire PRA model updates and refinements
* Fire PRA documentation
* Fire PRA documentation
Line 34: Line 33:
* Fire Risk Evaluation drafts
* Fire Risk Evaluation drafts
* Reviews and comment incorporation
* Reviews and comment incorporation
* Revisions to LAR Attachments C and G (note Attachment C is over 2000 pages) As shown above, the revisions to downstream documentation necessitated by the revisions to the Fire PRA model are extensive and necessary.
* Revisions to LAR Attachments C and G (note Attachment C is over 2000 pages)
As shown above, the revisions to downstream documentation necessitated by the revisions to the Fire PRA model are extensive and necessary.
If you need any additional information on the schedule change, please let me know.
If you need any additional information on the schedule change, please let me know.
Hearing Identifier: NRR_PMDA Email Number: 1343   Mail Envelope Properties   (73ADBEE6BC0EC34D852AEB1AEB8DA1E908C5C9)
1
 
Hearing Identifier:       NRR_PMDA Email Number:             1343 Mail Envelope Properties       (73ADBEE6BC0EC34D852AEB1AEB8DA1E908C5C9)


==Subject:==
==Subject:==
Detailed Activities Sent Date:   6/4/2014 3:45:10 PM Received Date: 6/4/2014 3:46:00 PM From:   Branum, Jeff K.
Detailed Activities Sent Date:               6/4/2014 3:45:10 PM Received Date:           6/4/2014 3:46:00 PM From:                     Branum, Jeff K.
Created By:   JKBRANUM@southernco.com Recipients:     "Williams, Shawn" <Sha wn.Williams@nrc.gov> Tracking Status: None "Miller, Barry" <Barry.Miller@nrc.gov>
Created By:               JKBRANUM@southernco.com Recipients:
Tracking Status: None Post Office:   ALXAPEX42.southernco.com
"Williams, Shawn" <Shawn.Williams@nrc.gov>
 
Tracking Status: None "Miller, Barry" <Barry.Miller@nrc.gov>
Files     Size     Date & Time MESSAGE   1508     6/4/2014 3:46:00 PM
Tracking Status: None Post Office:             ALXAPEX42.southernco.com Files                             Size               Date & Time MESSAGE                           1508               6/4/2014 3:46:00 PM Options Priority:                         Standard Return Notification:             No Reply Requested:                 No Sensitivity:                     Normal Expiration Date:
 
Recipients Received:             Follow up}}
Options Priority:     Standard   Return Notification:   No   Reply Requested:   No   Sensitivity:     Normal Expiration Date:     Recipients Received:   Follow up}}

Latest revision as of 06:49, 5 December 2019

NRR E-mail Capture - Joseph M. Farley, Unit 1 and Unit 2, Regarding the Licensees Updated Schedule to Respond to NRCs NFPA-805 Request for Additional Information
ML14157A241
Person / Time
Site: Farley, Trojan  File:Portland General Electric icon.png
Issue date: 06/04/2014
From: Branum J
Southern Nuclear Operating Co
To: Shawn Williams
Plant Licensing Branch II
References
Download: ML14157A241 (2)


Text

NRR-PMDAPEm Resource From: Branum, Jeff K. [JKBRANUM@southernco.com]

Sent: Wednesday, June 04, 2014 3:45 PM To: Williams, Shawn; Miller, Barry

Subject:

Detailed Activities Follow Up Flag: Follow up Flag Status: Flagged Shawn, Barry, The results of the composite effects of the revisions to the Farley Fire PRA model are significant. Additional refinements are necessary. Additional modifications to plant may be necessary for Unit 2 to lower the risk numbers.

The detailed activities that are now required due to the revisions to the Fire PRA model are listed below. The main activities are the refinements to the models and the resulting revisions to the Fire Risk Evaluations (FREs). The results of the Fire PRA model composite effects will be provided by July 3 2014. Currently revisions to 159 FREs will be necessary and will require until August 29, 2014 to complete. This is an aggressive schedule and SNC is pursuing improvements, if possible. The main activities necessary are:

  • Fire PRA model updates and refinements
  • Fire PRA documentation
  • Scenario report
  • Summary report
  • Revision to LAR Attachments S,V, and ire Risk Evaluation automation
  • FRE conversion to FSA
  • Data integrity checks
  • Fire Risk Evaluation drafts
  • Reviews and comment incorporation
  • Revisions to LAR Attachments C and G (note Attachment C is over 2000 pages)

As shown above, the revisions to downstream documentation necessitated by the revisions to the Fire PRA model are extensive and necessary.

If you need any additional information on the schedule change, please let me know.

1

Hearing Identifier: NRR_PMDA Email Number: 1343 Mail Envelope Properties (73ADBEE6BC0EC34D852AEB1AEB8DA1E908C5C9)

Subject:

Detailed Activities Sent Date: 6/4/2014 3:45:10 PM Received Date: 6/4/2014 3:46:00 PM From: Branum, Jeff K.

Created By: JKBRANUM@southernco.com Recipients:

"Williams, Shawn" <Shawn.Williams@nrc.gov>

Tracking Status: None "Miller, Barry" <Barry.Miller@nrc.gov>

Tracking Status: None Post Office: ALXAPEX42.southernco.com Files Size Date & Time MESSAGE 1508 6/4/2014 3:46:00 PM Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:

Recipients Received: Follow up