ML102880493: Difference between revisions

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| document type = Letter, Licensee Response to Notice of Violation
| document type = Letter, Licensee Response to Notice of Violation
| page count = 2
| page count = 2
| project =
| stage = Other
}}
}}
See also: [[followed by::IR 05000391/2010603]]


=Text=
=Text=
{{#Wiki_filter:Tennessee Valley Authority, Post Office Box 2000, Spring City, Tennessee 37381-2000
{{#Wiki_filter:Tennessee Valley Authority, Post Office Box 2000, Spring City, Tennessee 37381-2000 October 15, 2010 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 Watts Bar Nuclear Plant, Unit 2 NRC Docket No. 50-391
   
October 15, 2010  
U.S. Nuclear Regulatory Commission  
ATTN: Document Control Desk  
Washington, D.C. 20555-0001  


==Subject:==
Watts Bar Nuclear Plant (WBN) Unit 2 - Denial of Notice of Violation (NOV) 05000391/2010603-08, Failure to Adequately Evaluate and Qualify Molded Case Circuit Breakers - Additional Information
  Watts Bar Nuclear Plant, Unit 2  NRC Docket No. 50-391
Subject: Watts Bar Nuclear Plant (WBN) Unit 2 - Denial of Notice of Violation (NOV) 05000391/2010603-08, Failure to Adequately Evaluate and Qualify Molded Case Circuit Breakers - Additional Information  
Reference: 1. NRC letter to TVA, "Watts
Bar Nuclear Plant Unit 2 Construction - NRC Integrated Inspection Report 05000391/2010603 and Notice of Violation,"
dated August 5, 2010 (ML102170465)
  2. TVA letter to NRC, "Watts Bar Nuclear Plant (WBN) Unit 2 - Denial of Notice of Violation (NOV) 05000391/2010603-08, Failure to Adequately Evaluate


and Qualify Molded Case Circuit Breakers" (ML102520435)  
==Reference:==
By letter dated August 5, 2010 (Reference 1), the U.S. Nuclear Regulatory Commission (NRC) issued Inspection Report Number 05000391/2010603 concerning the April 6-30, 2010,  
: 1. NRC letter to TVA, Watts Bar Nuclear Plant Unit 2 Construction - NRC Integrated Inspection Report 05000391/2010603 and Notice of Violation, dated August 5, 2010 (ML102170465)
inspection conducted at Tennessee Valley Authority's (TVA) WBN Unit 2. By letter dated  
: 2. TVA letter to NRC, Watts Bar Nuclear Plant (WBN) Unit 2 - Denial of Notice of Violation (NOV) 05000391/2010603-08, Failure to Adequately Evaluate and Qualify Molded Case Circuit Breakers (ML102520435)
September 7, 2010 (Reference 2), the sentence "The calculated natural frequencies of the front  
By letter dated August 5, 2010 (Reference 1), the U.S. Nuclear Regulatory Commission (NRC) issued Inspection Report Number 05000391/2010603 concerning the April 6-30, 2010, inspection conducted at Tennessee Valley Authoritys (TVA) WBN Unit 2. By letter dated September 7, 2010 (Reference 2), the sentence The calculated natural frequencies of the front cover panel in the three directions were also in excess of 33 Hz and rigid should not have been included in the letter at that time. This was first identified by TVA on September 13, 2010, and discussed with Theodore Fanelli and Guillermo Crespo in a meeting at WBN site on September 14, 2010. This condition has been entered in the Corrective Action Program.
cover panel in the three directions were also in excess of 33 Hz and rigid" should not have  
Subsequently, a calculation was issued that validated the above sentence.
been included in the letter at that time. This was first identified by TVA on September 13, 2010, and discussed with Theodore Fanelli and Guillermo Crespo in a meeting at WBN site on September 14, 2010. This condition has been entered in the Corrective Action Program.
There are no new commitments associated with this submittal. If you have any questions, please contact William Crouch at (423) 365-2004.
Subsequently, a calculation was issued that validated the above sentence.  


U.S. Nuclear Regulatory Commission Page 2 October 15, 2010 I declare under penalty of perjury that the foregoing is true and correct. Executed on the 15th day of October, 2010.
There are no new commitments associated with this submittal.  If you have any questions, please contact William Crouch at (423) 365-2004.
Sincerely, cc:   U. S. Nuclear Regulatory Commission Region II Marquis One Tower 245 Peachtree Center Ave., NE Suite 1200 Atlanta, Georgia 30303-1257 NRC Resident Inspector Unit 2 Watts Bar Nuclear Plant 1260 Nuclear Plant Road Spring City, Tennessee 37381}}
 
U.S.Nuclear Regulatory
Commission
Page 2 October 15, 2010 I declare under penalty of perjury that the foregoing is true and correct.Executed on the 15 th day of October, 2010.Sincerely, cc: U.S.Nuclear Regulatory
Commission
Region II Marquis One Tower 245 Peachtree Center Ave., NE Suite 1200 Atlanta, Georgia 30303-1257
NRC Resident Inspector Unit 2 Watts Bar Nuclear Plant 1260 Nuclear Plant Road Spring City, Tennessee 37381
}}

Latest revision as of 08:53, 13 November 2019

Denial of Notice of Violation (NOV)05000391-2010603-08, Failure to Adequately Evaluate and Qualify Molded Case Circuit Breakers - Additional Information
ML102880493
Person / Time
Site: Watts Bar Tennessee Valley Authority icon.png
Issue date: 10/15/2010
From: Bajestani M
Tennessee Valley Authority
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML102880493 (2)
v • d • e


Text

Tennessee Valley Authority, Post Office Box 2000, Spring City, Tennessee 37381-2000 October 15, 2010 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 Watts Bar Nuclear Plant, Unit 2 NRC Docket No. 50-391

Subject:

Watts Bar Nuclear Plant (WBN) Unit 2 - Denial of Notice of Violation (NOV)05000391/2010603-08, Failure to Adequately Evaluate and Qualify Molded Case Circuit Breakers - Additional Information

Reference:

1. NRC letter to TVA, Watts Bar Nuclear Plant Unit 2 Construction - NRC Integrated Inspection Report 05000391/2010603 and Notice of Violation, dated August 5, 2010 (ML102170465)
2. TVA letter to NRC, Watts Bar Nuclear Plant (WBN) Unit 2 - Denial of Notice of Violation (NOV)05000391/2010603-08, Failure to Adequately Evaluate and Qualify Molded Case Circuit Breakers (ML102520435)

By letter dated August 5, 2010 (Reference 1), the U.S. Nuclear Regulatory Commission (NRC) issued Inspection Report Number 05000391/2010603 concerning the April 6-30, 2010, inspection conducted at Tennessee Valley Authoritys (TVA) WBN Unit 2. By letter dated September 7, 2010 (Reference 2), the sentence The calculated natural frequencies of the front cover panel in the three directions were also in excess of 33 Hz and rigid should not have been included in the letter at that time. This was first identified by TVA on September 13, 2010, and discussed with Theodore Fanelli and Guillermo Crespo in a meeting at WBN site on September 14, 2010. This condition has been entered in the Corrective Action Program.

Subsequently, a calculation was issued that validated the above sentence.

There are no new commitments associated with this submittal. If you have any questions, please contact William Crouch at (423) 365-2004.

U.S. Nuclear Regulatory Commission Page 2 October 15, 2010 I declare under penalty of perjury that the foregoing is true and correct. Executed on the 15th day of October, 2010.

Sincerely, cc: U. S. Nuclear Regulatory Commission Region II Marquis One Tower 245 Peachtree Center Ave., NE Suite 1200 Atlanta, Georgia 30303-1257 NRC Resident Inspector Unit 2 Watts Bar Nuclear Plant 1260 Nuclear Plant Road Spring City, Tennessee 37381

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