ML17241A274: Difference between revisions

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| number = ML17241A274
| number = ML17241A274
| issue date = 08/29/2017
| issue date = 08/29/2017
| title = Nine Mile Point Request for Additional Information Response MSA (MF7946,7) and FE (MG0087,8) E-mail
| title = Request for Additional Information Response MSA (MF7946,7) and FE (MG0087,8) E-mail
| author name = Distel D J
| author name = Distel D
| author affiliation = Niagara Mohawk Power Corp
| author affiliation = Niagara Mohawk Power Corp
| addressee name = Gibson L K
| addressee name = Gibson L
| addressee affiliation = NRC/NRR/JLD
| addressee affiliation = NRC/NRR/JLD
| docket = 05000220, 05000410
| docket = 05000220, 05000410
| license number =  
| license number =  
| contact person = Gibson L K, NRR/JLD, 415-1056
| contact person = Gibson L, NRR/JLD, 415-1056
| case reference number = CAC MF7946, CAC MF7947
| case reference number = CAC MF7946, CAC MF7947
| package number = ML17241A270
| package number = ML17241A270
Line 15: Line 15:
| page count = 1
| page count = 1
| project = CAC:MF7946, CAC:MF7947
| project = CAC:MF7946, CAC:MF7947
| stage = RAI
| stage = Request
}}
}}


=Text=
=Text=
{{#Wiki_filter:From: Distel, David J:(GenCo-Nuc)
{{#Wiki_filter:From:             Distel, David J:(GenCo-Nuc)
To: Gibson, Lauren Cc: Uribe, Juan
To:               Gibson, Lauren Cc:               Uribe, Juan; Aggarwal, Vinod K:(GenCo-Nuc); Joe Bellini; Corcoran, Robert W:(GenCo-Nuc); Lanka, Bradley Franklin F:(GenCo-Nuc)
; Aggarwal, Vinod K:(GenCo-Nuc)
; Joe Bellini
; Corcoran, Robert W:(GenCo-Nuc)
; Lanka, Bradley Franklin F:(GenCo-Nuc)


==Subject:==
==Subject:==
[External_Sender] RE: Nine Mile Point MSA and FE RAI Date: Tuesday, August 29, 2017 1:51:04 PM Attachments:
[External_Sender] RE: Nine Mile Point MSA and FE RAI Date:             Tuesday, August 29, 2017 1:51:04 PM Attachments:       NMP MSA August 2017 RAI Response.pdf Lauren - Attached is the Exelon response to the NRC audit review RAI regarding the Nine Mile Point Flood Hazard MSA and FE.
NMP MSA August 2017 RAI Response.pdf Lauren - Attached is the Exelon response to the NRC audit review RAI regarding the Nine Mile Point Flood Hazard MSA and FE.
Please let me know if any additional information is needed.
Please let me know if any additional information is needed.
 
Thanks.
Thanks.Dave Distel
Dave Distel From: Gibson, Lauren [mailto:Lauren.Gibson@nrc.gov]
 
From: Gibson, Lauren [mailto:Lauren.Gibson@nrc.gov]
Sent: Tuesday, August 15, 2017 3:22 PM To: Distel, David J:(GenCo-Nuc)
Sent: Tuesday, August 15, 2017 3:22 PM To: Distel, David J:(GenCo-Nuc)


==Subject:==
==Subject:==
[EXTERNAL] Nine Mile Point MSA and FE RAI David, Please see the RAI below. I understand that you will submit the response as an e-mail and I will add it to ADAMS. Give me a call if you have any questions.
[EXTERNAL] Nine Mile Point MSA and FE RAI
 
: David, Please see the RAI below. I understand that you will submit the response as an e-mail and I will add it to ADAMS. Give me a call if you have any questions.
Thank you, Lauren
Thank you, Lauren Lauren K. Gibson Project Manager Hazard Managemenr Branch Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission (301) 415-1056 Request for Additional Information Nine Mile Point Nuclear Station, Units 1 and 2 Mitigating Strategies Assessment and Focused Evaluation NTTF Recommendation 2.1Flooding As discussed in the audit call on August 15, 32017, the NRC notes that there are
 
Lauren K. Gibson Project Manager Hazard Managemenr Branch Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission
 
(301) 415-1056
 
Request for Additional Information Nine Mile Point Nuclear Station, Units 1 and 2 Mitigating Strategies Assessment and Focused Evaluation NTTF Recommendation 2.1-Flooding
 
As discussed in the audit call on August 15, 32017, the NRC notes that there are differences in the way that the warning time is addressed between the Mitigating Strategies Assessment (ML16349A029; dated December 14, 2016) and the Focused Evaluation (ML17069A005, dated March 10, 2017) for Nine Mile Point Nuclear Station.
In particular, the FE contains commitments to further evaluate the consequential rainfall estimate and meteorological assessments in order to determine if the monitoring threshold should be adjusted or if the flood protection strategies should be modified.
Please explain the evolution of the approach and how it impacts the Mitigating Strategies Assessment.
Given that the FE mentions the possibility of warning times that may be less than the 6.5 hours previously determined for installing the flood barriers, please provide a justification for the plant being protected during such time as the analyses and related commitments are being completed.
 
This Email message and any attachment may contain information that is proprietary, legally privileged, confidential and/or subject to copyright belonging to Exelon Corporation or its
 
affiliates ("Exelon"). This Email is intended solely for the use of the person(s) to which it is
 
addressed. If you are not an intended recipient, or the employee or agent responsible for
 
delivery of this Email to the intended recipient(s), you are hereby notified that any
 
dissemination, distribution or copying of this Email is strictly prohibited. If you have received
 
this message in error, please immediately notify the sender and permanently delete this Email
 
and any copies. Exelon policies expressly prohibit employees from making defamatory or
 
offensive statements and infringing any copyright or any other legal right by Email


communication. Exelon will not accept any liability in respect of such communications.
differences in the way that the warning time is addressed between the Mitigating Strategies Assessment (ML16349A029; dated December 14, 2016) and the Focused Evaluation (ML17069A005, dated March 10, 2017) for Nine Mile Point Nuclear Station. In particular, the FE contains commitments to further evaluate the consequential rainfall estimate and meteorological assessments in order to determine if the monitoring threshold should be adjusted or if the flood protection strategies should be modified. Please explain the evolution of the approach and how it impacts the Mitigating Strategies Assessment. Given that the FE mentions the possibility of warning times that may be less than the 6.5 hours previously determined for installing the flood barriers, please provide a justification for the plant being protected during such time as the analyses and related commitments are being completed.
-EXCIP}}
This Email message and any attachment may contain information that is proprietary, legally privileged, confidential and/or subject to copyright belonging to Exelon Corporation or its affiliates ("Exelon"). This Email is intended solely for the use of the person(s) to which it is addressed. If you are not an intended recipient, or the employee or agent responsible for delivery of this Email to the intended recipient(s), you are hereby notified that any dissemination, distribution or copying of this Email is strictly prohibited. If you have received this message in error, please immediately notify the sender and permanently delete this Email and any copies. Exelon policies expressly prohibit employees from making defamatory or offensive statements and infringing any copyright or any other legal right by Email communication. Exelon will not accept any liability in respect of such communications. -
EXCIP}}

Latest revision as of 21:24, 29 October 2019

Request for Additional Information Response MSA (MF7946,7) and FE (MG0087,8) E-mail
ML17241A274
Person / Time
Site: Nine Mile Point  Constellation icon.png
Issue date: 08/29/2017
From: Distel D
Niagara Mohawk Power Corp
To: Lauren Gibson
Japan Lessons-Learned Division
Gibson L, NRR/JLD, 415-1056
Shared Package
ML17241A270 List:
References
CAC MF7946, CAC MF7947
Download: ML17241A274 (1)
v • d • e


Text

From: Distel, David J:(GenCo-Nuc)

To: Gibson, Lauren Cc: Uribe, Juan; Aggarwal, Vinod K:(GenCo-Nuc); Joe Bellini; Corcoran, Robert W:(GenCo-Nuc); Lanka, Bradley Franklin F:(GenCo-Nuc)

Subject:

[External_Sender] RE: Nine Mile Point MSA and FE RAI Date: Tuesday, August 29, 2017 1:51:04 PM Attachments: NMP MSA August 2017 RAI Response.pdf Lauren - Attached is the Exelon response to the NRC audit review RAI regarding the Nine Mile Point Flood Hazard MSA and FE.

Please let me know if any additional information is needed.

Thanks.

Dave Distel From: Gibson, Lauren [1]

Sent: Tuesday, August 15, 2017 3:22 PM To: Distel, David J:(GenCo-Nuc)

Subject:

[EXTERNAL] Nine Mile Point MSA and FE RAI

David, Please see the RAI below. I understand that you will submit the response as an e-mail and I will add it to ADAMS. Give me a call if you have any questions.

Thank you, Lauren Lauren K. Gibson Project Manager Hazard Managemenr Branch Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission (301) 415-1056 Request for Additional Information Nine Mile Point Nuclear Station, Units 1 and 2 Mitigating Strategies Assessment and Focused Evaluation NTTF Recommendation 2.1Flooding As discussed in the audit call on August 15, 32017, the NRC notes that there are

differences in the way that the warning time is addressed between the Mitigating Strategies Assessment (ML16349A029; dated December 14, 2016) and the Focused Evaluation (ML17069A005, dated March 10, 2017) for Nine Mile Point Nuclear Station. In particular, the FE contains commitments to further evaluate the consequential rainfall estimate and meteorological assessments in order to determine if the monitoring threshold should be adjusted or if the flood protection strategies should be modified. Please explain the evolution of the approach and how it impacts the Mitigating Strategies Assessment. Given that the FE mentions the possibility of warning times that may be less than the 6.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> previously determined for installing the flood barriers, please provide a justification for the plant being protected during such time as the analyses and related commitments are being completed.

This Email message and any attachment may contain information that is proprietary, legally privileged, confidential and/or subject to copyright belonging to Exelon Corporation or its affiliates ("Exelon"). This Email is intended solely for the use of the person(s) to which it is addressed. If you are not an intended recipient, or the employee or agent responsible for delivery of this Email to the intended recipient(s), you are hereby notified that any dissemination, distribution or copying of this Email is strictly prohibited. If you have received this message in error, please immediately notify the sender and permanently delete this Email and any copies. Exelon policies expressly prohibit employees from making defamatory or offensive statements and infringing any copyright or any other legal right by Email communication. Exelon will not accept any liability in respect of such communications. -

EXCIP

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