NRC-05-0009, January 2005 Monthly Operating Report for Fermi 2

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January 2005 Monthly Operating Report for Fermi 2
ML050530193
Person / Time
Site: Fermi DTE Energy icon.png
Issue date: 02/09/2005
From: Peterson N
Detroit Edison
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
GL-97-002, NRC-05-0009
Download: ML050530193 (2)
v • d • e


Text

Fermi 2 6400 North Dixie Hlwy.,

Newport, MI 48166 Detroit Edison Generic Letter 97-02 February 9, 2005 NRC-05-0009 U. S. Nuclear Regulatory Commnission Attention: Document Control Desk Washington D C 20555

Reference:

Fermi 2 NRC Docket No. 50-341 NRC Operating License No. NPF-43

Subject:

Monthly Operating Status Report for January 2005 Enclosed for your information and use is the Fermi 2 Monthly Operating Status Report for January 2005. This report includes the Operating Data Report and Summary of Unit Shutdowns identified in NRC Generic Letter 97-02 and Fermi 2 Technical Specification 5.6.4.

Should you have any questions or require additional information, please contact me at (734) 586-4258.

Sincerely,

,,,7, Norman K. Peterson Manager - Nuclear Licensing Enclosure cc: R. J. Aben, Jr.

E. R. Duncan N. K. Ray M. V. Yudasz, Jr.

NRC Resident Office Regional Administrator, Region m :DJED A DTE Energy Company

OPERATING DATA REPORT DOCKET NO. 50-341 UNIT NAME Fermi 2 DATE February 9. 2005 COMPLETED BY Kevin Burke TELEPHONE (734) 586-5148 REPORTING PERIOD: January 2005

1. Design Electrical Rating (MWe-Net) 1.150.00
2. Maximum Dependable Capacity (MWe-Net) 1.089.00 This Month Year-to-Date Cumulative
3. Number of Hours the Reactor Was Critical 568.32 568 116.369
4. Number of Hours Generator On-line 568.32 568 112,343
5. Reserve Shutdown Hours 0.00 0.00 0.00
6. Net Electrical Energy Generated (MWH) 638.803 638,803 113.715,481 UNIT SHUTDOWNS No. Date Type Duration Reason Method of Cause and Corrective Action F: Forced (Hours) (1) Shutting Comments S: Scheduled Down (2) 05-01 01/24/05 F 175.7 A 2 Plant shutdown caused by unidentified drywell leakage above Technical Specification limit. Inspection identified Drywell Cooler unit Number 4 failed end-bell gasket as the source of the leak. Shutdown continued into February 2005.

SUMMARY

The plant operated at full power until shutdown on January 24, 2005 at 1619 hours0.0187 days <br />0.45 hours <br />0.00268 weeks <br />6.160295e-4 months <br />.

At 2054 hours0.0238 days <br />0.571 hours <br />0.0034 weeks <br />7.81547e-4 months <br />, drywell leakage identified as Emergency Equipment Cooling Water was isolated. At 2228 hours0.0258 days <br />0.619 hours <br />0.00368 weeks <br />8.47754e-4 months <br />, the Alert declaration was terminated based on source of leakage was not from the Reactor Coolant System. The leak was determined to be caused by a failed end-bell gasket on the Number 4 Drywell Cooler. A root cause team was established to review extent of condition and specify repair actions.

On January 25, 2005 plant shutdown was completed at 1321 hours0.0153 days <br />0.367 hours <br />0.00218 weeks <br />5.026405e-4 months <br />, and continued into February 2005.

(1) Reason: (2) Method:

A Equipment Failure (Explain) I Manual B Maintenance or Test 2 Manual Trip/Scram C Refueling - 3 Automatic Trip/Scram D Regulatory Restriction 4 Continuation E Operator Training and License Examination S Other (Explain)

F Administration G Operational Error (Explain)

H Other (Explain)

Text

Fermi 2 6400 North Dixie Hlwy.,

Newport, MI 48166 Detroit Edison Generic Letter 97-02 February 9, 2005 NRC-05-0009 U. S. Nuclear Regulatory Commnission Attention: Document Control Desk Washington D C 20555

Reference:

Fermi 2 NRC Docket No. 50-341 NRC Operating License No. NPF-43

Subject:

Monthly Operating Status Report for January 2005 Enclosed for your information and use is the Fermi 2 Monthly Operating Status Report for January 2005. This report includes the Operating Data Report and Summary of Unit Shutdowns identified in NRC Generic Letter 97-02 and Fermi 2 Technical Specification 5.6.4.

Should you have any questions or require additional information, please contact me at (734) 586-4258.

Sincerely,

,,,7, Norman K. Peterson Manager - Nuclear Licensing Enclosure cc: R. J. Aben, Jr.

E. R. Duncan N. K. Ray M. V. Yudasz, Jr.

NRC Resident Office Regional Administrator, Region m :DJED A DTE Energy Company

OPERATING DATA REPORT DOCKET NO. 50-341 UNIT NAME Fermi 2 DATE February 9. 2005 COMPLETED BY Kevin Burke TELEPHONE (734) 586-5148 REPORTING PERIOD: January 2005

1. Design Electrical Rating (MWe-Net) 1.150.00
2. Maximum Dependable Capacity (MWe-Net) 1.089.00 This Month Year-to-Date Cumulative
3. Number of Hours the Reactor Was Critical 568.32 568 116.369
4. Number of Hours Generator On-line 568.32 568 112,343
5. Reserve Shutdown Hours 0.00 0.00 0.00
6. Net Electrical Energy Generated (MWH) 638.803 638,803 113.715,481 UNIT SHUTDOWNS No. Date Type Duration Reason Method of Cause and Corrective Action F: Forced (Hours) (1) Shutting Comments S: Scheduled Down (2) 05-01 01/24/05 F 175.7 A 2 Plant shutdown caused by unidentified drywell leakage above Technical Specification limit. Inspection identified Drywell Cooler unit Number 4 failed end-bell gasket as the source of the leak. Shutdown continued into February 2005.

SUMMARY

The plant operated at full power until shutdown on January 24, 2005 at 1619 hours0.0187 days <br />0.45 hours <br />0.00268 weeks <br />6.160295e-4 months <br />.

At 2054 hours0.0238 days <br />0.571 hours <br />0.0034 weeks <br />7.81547e-4 months <br />, drywell leakage identified as Emergency Equipment Cooling Water was isolated. At 2228 hours0.0258 days <br />0.619 hours <br />0.00368 weeks <br />8.47754e-4 months <br />, the Alert declaration was terminated based on source of leakage was not from the Reactor Coolant System. The leak was determined to be caused by a failed end-bell gasket on the Number 4 Drywell Cooler. A root cause team was established to review extent of condition and specify repair actions.

On January 25, 2005 plant shutdown was completed at 1321 hours0.0153 days <br />0.367 hours <br />0.00218 weeks <br />5.026405e-4 months <br />, and continued into February 2005.

(1) Reason: (2) Method:

A Equipment Failure (Explain) I Manual B Maintenance or Test 2 Manual Trip/Scram C Refueling - 3 Automatic Trip/Scram D Regulatory Restriction 4 Continuation E Operator Training and License Examination S Other (Explain)

F Administration G Operational Error (Explain)

H Other (Explain)

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