ML12038A233: Difference between revisions

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=Text=
=Text=
{{#Wiki_filter:Cheok, Michael From: Sent: To:  
{{#Wiki_filter:Cheok, Michael From:                         Bahadur, Sher I      6L Sent:                         Wednesday, September 07, 2011 11:01 AM To:                           Weerakkody, Sunil; Cheok, Michael


==Subject:==
==Subject:==
Importance:
Fw: North Anna - Two Fuel Issues Importance:                  High FYI Sher Bahadur Sent from a US NRC BlackBerry From: Mendiola, Anthony To: Wilson, George Cc: Clifford, Paul; Ulses, Anthony; Attard, Anthony; 'Tony Attard (HO                     Panicker, Mathew; Wu, Shih-Liang; Bahadur, Sher Sent: Wed Sep 07 10:54:11 2011
Bahadur, Sher I 6L Wednesday, September 07, 2011 11:01 AM Weerakkody, Sunil; Cheok, Michael Fw: North Anna -Two Fuel Issues High FYI Sher Bahadur Sent from a US NRC BlackBerry From: Mendiola, Anthony To: Wilson, George Cc: Clifford, Paul; Ulses, Anthony; Attard, Anthony; 'Tony Attard (HO Panicker, Mathew;Wu, Shih-Liang; Bahadur, Sher Sent: Wed Sep 07 10:54:11 2011  


==Subject:==
==Subject:==
North Anna -Two Fuel Issues George, Just to clarify, we have TWO issues regarding the fuel.1 -Seismic (structural) performance  
North Anna - Two Fuel Issues George, Just to clarify, we have TWO issues regarding the fuel.
-the fuel is analyzed to behave in a safe manner (structurally) in the event of a OBE/SSE. If OBE/SSE is exceeded, fuel vendor warranties and regulatory analysis judgments are considered void until proven otherwise.
1 - Seismic (structural) performance - the fuel is analyzed to behave in a safe manner (structurally) in the event of a OBE/SSE. If OBE/SSE is exceeded, fuel vendor warranties and regulatory analysis judgments are considered void until proven otherwise.
2- Thermal Hydraulic performance  
2- Thermal Hydraulic performance - Possibility of mixing flow vane damage could challenge the thermal margin performance of the fuel as well as the accident analyses of the core.
-Possibility of mixing flow vane damage could challenge the thermal margin performance of the fuel as well as the accident analyses of the core.Anthony Mendiola Chief, Nuclear Performance and Code Review Branch SNPB/DSS/NRR/NRC (301) 415-1054 information in this record was deleted in accordance witl the Freedom of Information Act, exemptions  
Anthony Mendiola Chief, Nuclear Performance and Code Review Branch SNPB/DSS/NRR/NRC (301) 415-1054 information in this record was deleted in accordance witl the Freedom of Information Act, exemptions Y---
--Y-FOIA- Q, 2-- 7 1 7?}}
FOIA- Q, 2--             7 1
7?}}

Latest revision as of 09:42, 12 November 2019

Email from S. Bahadur, NRR to S. Weerakkody, NRR Fw: North Anna - Two Fuel Issues
ML12038A233
Person / Time
Site: North Anna  Dominion icon.png
Issue date: 09/07/2011
From: Bahadur S
Office of Nuclear Reactor Regulation
To: Michael Cheok, Sunil Weerakkody
Office of Nuclear Reactor Regulation
References
FOIA/PA-2011-0357
Download: ML12038A233 (1)
v • d • e


Text

Cheok, Michael From: Bahadur, Sher I 6L Sent: Wednesday, September 07, 2011 11:01 AM To: Weerakkody, Sunil; Cheok, Michael

Subject:

Fw: North Anna - Two Fuel Issues Importance: High FYI Sher Bahadur Sent from a US NRC BlackBerry From: Mendiola, Anthony To: Wilson, George Cc: Clifford, Paul; Ulses, Anthony; Attard, Anthony; 'Tony Attard (HO Panicker, Mathew; Wu, Shih-Liang; Bahadur, Sher Sent: Wed Sep 07 10:54:11 2011

Subject:

North Anna - Two Fuel Issues George, Just to clarify, we have TWO issues regarding the fuel.

1 - Seismic (structural) performance - the fuel is analyzed to behave in a safe manner (structurally) in the event of a OBE/SSE. If OBE/SSE is exceeded, fuel vendor warranties and regulatory analysis judgments are considered void until proven otherwise.

2- Thermal Hydraulic performance - Possibility of mixing flow vane damage could challenge the thermal margin performance of the fuel as well as the accident analyses of the core.

Anthony Mendiola Chief, Nuclear Performance and Code Review Branch SNPB/DSS/NRR/NRC (301) 415-1054 information in this record was deleted in accordance witl the Freedom of Information Act, exemptions Y---

FOIA- Q, 2-- 7 1

7?

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