ML15210A904: Difference between revisions

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* Compile the issues identified in the responses to PRA RAI 44 and 44.01. Confirm that in these RAI responses all changes identified were made to the Fire PRA, or identify any remaining open issues.
* Compile the issues identified in the responses to PRA RAI 44 and 44.01. Confirm that in these RAI responses all changes identified were made to the Fire PRA, or identify any remaining open issues.
* In some instances, the response to PRA RAI 44.01 indicate that changes will be included in the Fire PRA quantification results of PRA RAI 44.01.b. Confirm that changes identified in previous PRA RAI responses as changes to be made were incorporated into the Fire PRA. Should any of those planned changes to the Fire PRA relevant to the quantification not be made, that status should be reflected and a justification for not making the change to the Fire PRA be provided. Also, include confirmation that the Fire PRA model reflects the credit for the modifications in the revised Attachment S provided in response to PRA RAI 44.01.b.
* In some instances, the response to PRA RAI 44.01 indicate that changes will be included in the Fire PRA quantification results of PRA RAI 44.01.b. Confirm that changes identified in previous PRA RAI responses as changes to be made were incorporated into the Fire PRA. Should any of those planned changes to the Fire PRA relevant to the quantification not be made, that status should be reflected and a justification for not making the change to the Fire PRA be provided. Also, include confirmation that the Fire PRA model reflects the credit for the modifications in the revised Attachment S provided in response to PRA RAI 44.01.b.
* Identify any additional methods beyond those cited in PRA RAI 44 and PRA RAI 44.01 that are included in the Fire PRA (e.g., DC hot short probabilities identified in response to PRA RAI 19.03) in support of the revised Attachment W provided in response to PRA RAI 44.01.b. If there were any additions, describe them, including whether the methods are acceptable methods to the staff.   
* Identify any additional methods beyond those cited in PRA RAI 44 and PRA RAI 44.01 that are included in the Fire PRA (e.g., DC hot short probabilities identified in response to PRA RAI 19.03) in support of the revised  
 
==Attachment==
W provided in response to PRA RAI 44.01.b. If there were any additions, describe them, including whether the methods are acceptable methods to the staff.   


Peter S. Tam, Senior Project Manager Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation   
Peter S. Tam, Senior Project Manager Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation   


Hearing Identifier:  NRR_PMDA  Email Number:  2259  Mail Envelope Properties  (ec341bb1483b43f69b3c7e525110bcbe)
Hearing Identifier:  NRR_PMDA  Email Number:  2259  Mail Envelope Properties  (ec341bb1483b43f69b3c7e525110bcbe)  
Subject:   NRC Staff Comments on the "Roadmap"  Sent Date:  7/29/2015 3:13:32 PM  Received Date:  7/29/2015 3:13:32 PM  From:    Tam, Peter  Created By:  Peter.Tam@nrc.gov  Recipients:    "Mozafari, Brenda" <Brenda.Mozafari@nrc.gov>
 
==Subject:==
NRC Staff Comments on the "Roadmap"  Sent Date:  7/29/2015 3:13:32 PM  Received Date:  7/29/2015 3:13:32 PM  From:    Tam, Peter  Created By:  Peter.Tam@nrc.gov  Recipients:    "Mozafari, Brenda" <Brenda.Mozafari@nrc.gov>
Tracking Status: None  "'Harding Jr, Thomas:(GenCo-Nuc)'" <thomas.hardingjr@exeloncorp.com>  Tracking Status: None  Post Office:  HQPWMSMRS05.nrc.gov Files    Size      Date & Time  MESSAGE    2193      7/29/2015 3:13:32 PM Options  Priority:    Standard  Return Notification:    No  Reply Requested:    No  Sensitivity:    Normal  Expiration Date:      Recipients Received:         
Tracking Status: None  "'Harding Jr, Thomas:(GenCo-Nuc)'" <thomas.hardingjr@exeloncorp.com>  Tracking Status: None  Post Office:  HQPWMSMRS05.nrc.gov Files    Size      Date & Time  MESSAGE    2193      7/29/2015 3:13:32 PM Options  Priority:    Standard  Return Notification:    No  Reply Requested:    No  Sensitivity:    Normal  Expiration Date:      Recipients Received:         
}}
}}

Revision as of 03:10, 27 March 2018

2015/07/29 NRR E-mail Capture - NRC Staff Comments on the Roadmap
ML15210A904
Person / Time
Site: Ginna Constellation icon.png
Issue date: 07/29/2015
From: Tam P S
Plant Licensing Branch II
To: Harding T L
Constellation Energy Group
References
TAC MF1393
Download: ML15210A904 (2)


Text

1NRR-PMDAPEm ResourceFrom:Tam, PeterSent:Wednesday, July 29, 2015 3:14 PMTo:'Harding Jr, Thomas:(GenCo-Nuc)'Cc:Mozafari, BrendaSubject:NRC Staff Comments on the "Roadmap"Tom:

The NRC staff provided its feedback on the "roadmap." The staff would like to add this as a topic of discussion on the teleconference call tomorrow (7/30/15).

The "roadmap" information request is below.

Ginna provided a response to PRA RAI 44.01.b, dated June 11, 2015. Following a clarification call held on June 29, 2015 regarding a "roadmap" to follow the changes made in support of the response to PRA RAI 44.01.b, Ginna provided a sample table of Fire PRA model changes in an email dated July 8, 2015. The sample table provided to the NRC staff in the email presents the topic, RAIs, and a description of the method or change. In order to clarify the Fire PRA model changes used in support or the PRA RAI 44.01.b quantification, please provide the following additional information.

  • Compile the issues identified in the responses to PRA RAI 44 and 44.01. Confirm that in these RAI responses all changes identified were made to the Fire PRA, or identify any remaining open issues.
  • In some instances, the response to PRA RAI 44.01 indicate that changes will be included in the Fire PRA quantification results of PRA RAI 44.01.b. Confirm that changes identified in previous PRA RAI responses as changes to be made were incorporated into the Fire PRA. Should any of those planned changes to the Fire PRA relevant to the quantification not be made, that status should be reflected and a justification for not making the change to the Fire PRA be provided. Also, include confirmation that the Fire PRA model reflects the credit for the modifications in the revised Attachment S provided in response to PRA RAI 44.01.b.
  • Identify any additional methods beyond those cited in PRA RAI 44 and PRA RAI 44.01 that are included in the Fire PRA (e.g., DC hot short probabilities identified in response to PRA RAI 19.03) in support of the revised

Attachment

W provided in response to PRA RAI 44.01.b. If there were any additions, describe them, including whether the methods are acceptable methods to the staff.

Peter S. Tam, Senior Project Manager Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation

Hearing Identifier: NRR_PMDA Email Number: 2259 Mail Envelope Properties (ec341bb1483b43f69b3c7e525110bcbe)

Subject:

NRC Staff Comments on the "Roadmap" Sent Date: 7/29/2015 3:13:32 PM Received Date: 7/29/2015 3:13:32 PM From: Tam, Peter Created By: Peter.Tam@nrc.gov Recipients: "Mozafari, Brenda" <Brenda.Mozafari@nrc.gov>

Tracking Status: None "'Harding Jr, Thomas:(GenCo-Nuc)'" <thomas.hardingjr@exeloncorp.com> Tracking Status: None Post Office: HQPWMSMRS05.nrc.gov Files Size Date & Time MESSAGE 2193 7/29/2015 3:13:32 PM Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date: Recipients Received: