ML072140010: Difference between revisions
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{{#Wiki_filter:FEENO0C FENO 5501 North State Route 2 | {{#Wiki_filter:FEENO0C FENO 5501 North State Route 2 FirstEnergyNuclear Operating Company Oak Harbor, Ohio 43449 Mark B. Bezilla 419-321-7676 Vice President - Nuclear Fax: 419-321-7582 Docket Number 50-346 License Number NPF-3 Serial Number 3356 July 31, 2007 United States Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555-0001 | ||
-Nuclear Fax: 419-321-7582 Docket Number 50-346 License Number NPF-3 Serial Number 3356 July 31, 2007 United States Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555-0001 | |||
==Subject:== | ==Subject:== | ||
Correction of Information Provided in Previous Submittals Regarding Number of Leaking Control Rod Drive Mechanism (CRDM) Flanges Ladies and Gentlemen: | Correction of Information Provided in Previous Submittals Regarding Number of Leaking Control Rod Drive Mechanism (CRDM) Flanges Ladies and Gentlemen: | ||
The purpose of this letter is to correct a minor discrepancy that was identified with previous submittals related to the Davis-Besse Nuclear Power Station (DBNPS). By letters dated April 18, 2002 (Serial Number 1-1270), dated August 21, 2002 (Serial Number 1-1286), and dated September 23, 2002 (Serial Numberl-1289) the DBNPS submitted to the NRC root cause analysis reports related to the degradation of the DBNPS reactor pressure vessel head discovered during the thirteenth Refueling Outage (1 3RFO). The root cause analysis reports provide a historical timeline of CRDM flange leaks. The timelines of each of the root cause analysis reports textually stated (Serial Number 1-1270 page 27, Serial Number 1-1286 page 21, Serial Number 1-1289 page 31) in 1991 (7RFO) that 21 CRDM flanges were identified as leaking, while Serial Number 1-1270 and Serial Number 1-1289 Figure 28 depicted 22 leaking CRDM flanges discovered in 7RFO. The correct number of leaking CRDM flanges discovered in 1991 (7RFO) is 22. This discrepancy was discovered during the review of documents while preparing DBNPS letter Serial Number 3350, "Response to Demand for Information," dated June 13, 2007.This discrepancy in the original submittals has been documented and addressed through the DBNPS Corrective Action Program, and has been determined to have no safety significance. | The purpose of this letter is to correct a minor discrepancy that was identified with previous submittals related to the Davis-Besse Nuclear Power Station (DBNPS). By letters dated April 18, 2002 (Serial Number 1-1270), dated August 21, 2002 (Serial Number 1-1286), and dated September 23, 2002 (Serial Numberl-1289) the DBNPS submitted to the NRC root cause analysis reports related to the degradation of the DBNPS reactor pressure vessel head discovered during the thirteenth Refueling Outage (1 3RFO). The root cause analysis reports provide a historical timeline of CRDM flange leaks. The timelines of each of the root cause analysis reports textually stated (Serial Number 1-1270 page 27, Serial Number 1-1286 page 21, Serial Number 1-1289 page 31) in 1991 (7RFO) that 21 CRDM flanges were identified as leaking, while Serial Number 1-1270 and Serial Number 1-1289 Figure 28 depicted 22 leaking CRDM flanges discovered in 7RFO. The correct number of leaking CRDM flanges discovered in 1991 (7RFO) is 22. This discrepancy was discovered during the review of documents while preparing DBNPS letter Serial Number 3350, "Response to Demand for Information," dated June 13, 2007. | ||
The FirstEnergy Nuclear Operating Company (FENOC) does not believe that the minor discrepancy being corrected by this letter constitutes information that is inaccurate or incomplete in any material respect.If you have any questions or require additional information, please contact Mr. Raymond A. Hruby, Jr., Manager -Regulatory Compliance, at (419) 321-8000.Very truly yours, Mark B. Bezilla, Vice Pre: dent -Nuclear TSC Docket Number 50-346 License Number NPF-3 Serial Number 3356 Page 2 of 2 | This discrepancy in the original submittals has been documented and addressed through the DBNPS Corrective Action Program, and has been determined to have no safety significance. | ||
Any other actions discussed in the submittal represent intended or planned actions by Davis-Besse. | The FirstEnergy Nuclear Operating Company (FENOC) does not believe that the minor discrepancy being corrected by this letter constitutes information that is inaccurate or incomplete in any material respect. | ||
They are described only for information and are not regulatory commitments. | If you have any questions or require additional information, please contact Mr. Raymond A. Hruby, Jr., Manager - Regulatory Compliance, at (419) 321-8000. | ||
Please notify the Manager -Regulatory Compliance (419) 321-8000 at Davis-Besse of any questions regarding this document or associated regulatory commitments. | Very truly yours, Mark B. Bezilla, Vice Pre: dent - Nuclear TSC | ||
COMMITMENTS DUE DATE None N/A}} | |||
Docket Number 50-346 License Number NPF-3 Serial Number 3356 Page 2 of 2 : Commitment List cc: Regional Administrator, NRC Region III DB-1 NRC/NRR Project Manager DB-1 Senior NRC Resident Inspector Utility Radiological Safety Board | |||
Docket Number 50-346 License Number NPF-3 Serial Number 3356 Page 1 of I COMMITMENT LIST The following list identifies those actions committed to by the Davis-Besse Nuclear Power Station in this document. Any other actions discussed in the submittal represent intended or planned actions by Davis-Besse. They are described only for information and are not regulatory commitments. Please notify the Manager - Regulatory Compliance (419) 321-8000 at Davis-Besse of any questions regarding this document or associated regulatory commitments. | |||
COMMITMENTS DUE DATE None N/A}} | |||
Revision as of 04:00, 23 November 2019
| ML072140010 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 07/31/2007 |
| From: | Bezilla M FirstEnergy Nuclear Operating Co |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 3356 | |
| Download: ML072140010 (3) | |
Text
FEENO0C FENO 5501 North State Route 2 FirstEnergyNuclear Operating Company Oak Harbor, Ohio 43449 Mark B. Bezilla 419-321-7676 Vice President - Nuclear Fax: 419-321-7582 Docket Number 50-346 License Number NPF-3 Serial Number 3356 July 31, 2007 United States Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555-0001
Subject:
Correction of Information Provided in Previous Submittals Regarding Number of Leaking Control Rod Drive Mechanism (CRDM) Flanges Ladies and Gentlemen:
The purpose of this letter is to correct a minor discrepancy that was identified with previous submittals related to the Davis-Besse Nuclear Power Station (DBNPS). By letters dated April 18, 2002 (Serial Number 1-1270), dated August 21, 2002 (Serial Number 1-1286), and dated September 23, 2002 (Serial Numberl-1289) the DBNPS submitted to the NRC root cause analysis reports related to the degradation of the DBNPS reactor pressure vessel head discovered during the thirteenth Refueling Outage (1 3RFO). The root cause analysis reports provide a historical timeline of CRDM flange leaks. The timelines of each of the root cause analysis reports textually stated (Serial Number 1-1270 page 27, Serial Number 1-1286 page 21, Serial Number 1-1289 page 31) in 1991 (7RFO) that 21 CRDM flanges were identified as leaking, while Serial Number 1-1270 and Serial Number 1-1289 Figure 28 depicted 22 leaking CRDM flanges discovered in 7RFO. The correct number of leaking CRDM flanges discovered in 1991 (7RFO) is 22. This discrepancy was discovered during the review of documents while preparing DBNPS letter Serial Number 3350, "Response to Demand for Information," dated June 13, 2007.
This discrepancy in the original submittals has been documented and addressed through the DBNPS Corrective Action Program, and has been determined to have no safety significance.
The FirstEnergy Nuclear Operating Company (FENOC) does not believe that the minor discrepancy being corrected by this letter constitutes information that is inaccurate or incomplete in any material respect.
If you have any questions or require additional information, please contact Mr. Raymond A. Hruby, Jr., Manager - Regulatory Compliance, at (419) 321-8000.
Very truly yours, Mark B. Bezilla, Vice Pre: dent - Nuclear TSC
Docket Number 50-346 License Number NPF-3 Serial Number 3356 Page 2 of 2 : Commitment List cc: Regional Administrator, NRC Region III DB-1 NRC/NRR Project Manager DB-1 Senior NRC Resident Inspector Utility Radiological Safety Board
Docket Number 50-346 License Number NPF-3 Serial Number 3356 Page 1 of I COMMITMENT LIST The following list identifies those actions committed to by the Davis-Besse Nuclear Power Station in this document. Any other actions discussed in the submittal represent intended or planned actions by Davis-Besse. They are described only for information and are not regulatory commitments. Please notify the Manager - Regulatory Compliance (419) 321-8000 at Davis-Besse of any questions regarding this document or associated regulatory commitments.
COMMITMENTS DUE DATE None N/A