NLS2005045, April 2005 Monthly Operating Report for Cooper Nuclear Station

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April 2005 Monthly Operating Report for Cooper Nuclear Station
ML051370188
Person / Time
Site: Cooper Entergy icon.png
Issue date: 05/10/2005
From: Fleming P
Nebraska Public Power District (NPPD)
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
GL-97-002, NLS2005045
Download: ML051370188 (5)
v • d • e


Text

Nebraska Public Power District Always there when you need us NLS2005045 May 10. 2005 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington. D.C. 20555-0001

Subject:

Monthly Operating Report for April 2005 Cooper Nuclear Station, Docket 50-298, DPR-46 The purpose of this letter is to provide the Cooper Nuclear Station Monthly Operating Report for April 2005. In accordance with the guidance provided by Generic Letter 97-02, this report includes an Operating Data Report and Unit Shutdown Report for the month ol April. In accordance with Technical Specification 5.6.4, this report also includes docurmentation of challenges to the safety/relief v'alves.

Should you have any conments or require additional inlonration regar(ling this report, please contact ['aul] Fleming at (402) 825-2774.

Sincercly,'

Licensing M\ er

/cb Enclosure cc: NRC Regional Administrator WV. J. Fehnnan NRC Senior Resident Inspector XV. D. Shanks R. K. Edington J. MI. Cline B. Lewis A. L. Dostal G. WV. Griffith J. C. Roberts J. WV. Dutton S. Moflitt R. L. Guni INPO Records Center L. J. Wells Records COOPER NUCLEAR STATION P.O. Box 98 /Brownville, NE 68321-0098 Telephone: (402) 825-3811 / Fax: (402) 825-5211 www.nppd.com

APPENDIX A OPERATING DATA REPORT DOCKET NO. 050-0298 UNIT NAME Cooper Nuclear Station D)ATE 511012005 COMLETEDI BY Rodrick D. N'ilson TEL.EPl l(NE (402) 825-5135 Reporting Period: April 2005 This Month Yr.-to-Date Cumulative I. Design Electrical Rating (Net MWe). 778.0 N'A N-A The nominal net electrical output of the unit specified by the utility and used for the purpose of pant design.

2. Maximum DeTendable Capacity (Net NlWe): 764.0 NA N!A The gross electrical output as measured at the output tenninals of the turbine-generator during the most restrictivec seasonal conditions minus the nonmal station service loads.
3. Number or Hlours the Reactor WVasCritical. 670.9 2.025.3 209.359.6 The total number of hours during the gross hours of the reporning period that the reactor was critical.
4. Number of lours the Generator Was On Line. 661.9 1.953.3 206.390.0 (Also called Service I[ours). The total number of hours during the gross hours of the reporting period that the unit operated with the breakers closed to the station bus.

The sum of the hours the generator was on line plus the total outage hours should equal the gross hours in the reporting period.

5. Unit Reserve Shutdown Hours. 0.0 0.0 0.0 The total number of hours during the gross hours of the reporting period that the unit was removed from service for economic or similar reasons but was available for operation.
6. Net Electrical Energy (NIMWI). 504.109.4 IA72.270.4 140.798.048.4 The gross electrical output of the unit measured at the output terminals of the turbine-generator minus the nonnal station sen-ice loads during the gross hours of the reporting period, expressed in mega-watt hours. Negative quantities should not be used.

!/10/200! IC:42 AM

APPENDIX B UNIT SIIUTDOWVNS DOCKET NO. 050-0298 UNIT NAME Cooper Nuclear Station DATE 5/10/2005 COMPLETED BY Rodrick D. Wilson TELEPHONE (402) 825-5135 REPORT MONTII April 2005 Type 'Method Of Shuttting No. Date F: FORCED Duration (1ours) Reason (I) Down (2) CAUSE/CORRECTIVE ACTIONS COMMENTS S: SCHEDULED 05.02 04115d05 F FORCED 57.1 A 3 Reactor feed water level transIent followed hy reactor vessel water level low level alarm and an automatilc scram

+ +

SUMMARY

At 0436 [hrs.] CDT 04/15/2005, Cooper Nuclear Station experienced a reactor feed water level transient followed by reactor vessel water level low level alarm and an automatic scram.

(I) Reason:

A - Equipment Failure (Explain)

a. Maintenance or Test C - Refueling D - Regulatory Restriction E - Operator Training/License Examination F- Administrative

( - Operational Error (Explain) 11 - Other (Explain)

(2) Melhod:

I . Mannal 2

  • Manual Trip/Scram 3 - Automatic Trip/Scram 4 - Continuation 5 - Other (Explain) 5/10/2005 10:41 AM

APPENDIX C SAFETY/RELIEF V'ALVE CHALLENGES APRIL 2005 There were no challenges to the safety/relief valves during the month of April.

I ATTACHMENT 3 LIST OF REGULATORY COMMITMENTSl Correspondence Number: NLS2005045 The following table identifies those actions committed to by Nebraska Public Power District (NPPD) in this document. Any other actions discussed in the submittal represent intended or planned actions by NPPD. They are described for information only and are I not regulatory commitments. Please notify the Licensing Manager at Cooper Nuclear Station of any questions regarding this document or any associated regulatory commitments.

COMMITTED DATE COMMITMENT OR OUTAGE None 4-

+

4-4-

4-1-

4-4-

4-J.

I PROCEDURE 0.42 l REVISION 16 l PAGE 19 OF 26

Text

Nebraska Public Power District Always there when you need us NLS2005045 May 10. 2005 U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington. D.C. 20555-0001

Subject:

Monthly Operating Report for April 2005 Cooper Nuclear Station, Docket 50-298, DPR-46 The purpose of this letter is to provide the Cooper Nuclear Station Monthly Operating Report for April 2005. In accordance with the guidance provided by Generic Letter 97-02, this report includes an Operating Data Report and Unit Shutdown Report for the month ol April. In accordance with Technical Specification 5.6.4, this report also includes docurmentation of challenges to the safety/relief v'alves.

Should you have any conments or require additional inlonration regar(ling this report, please contact ['aul] Fleming at (402) 825-2774.

Sincercly,'

Licensing M\ er

/cb Enclosure cc: NRC Regional Administrator WV. J. Fehnnan NRC Senior Resident Inspector XV. D. Shanks R. K. Edington J. MI. Cline B. Lewis A. L. Dostal G. WV. Griffith J. C. Roberts J. WV. Dutton S. Moflitt R. L. Guni INPO Records Center L. J. Wells Records COOPER NUCLEAR STATION P.O. Box 98 /Brownville, NE 68321-0098 Telephone: (402) 825-3811 / Fax: (402) 825-5211 www.nppd.com

APPENDIX A OPERATING DATA REPORT DOCKET NO. 050-0298 UNIT NAME Cooper Nuclear Station D)ATE 511012005 COMLETEDI BY Rodrick D. N'ilson TEL.EPl l(NE (402) 825-5135 Reporting Period: April 2005 This Month Yr.-to-Date Cumulative I. Design Electrical Rating (Net MWe). 778.0 N'A N-A The nominal net electrical output of the unit specified by the utility and used for the purpose of pant design.

2. Maximum DeTendable Capacity (Net NlWe): 764.0 NA N!A The gross electrical output as measured at the output tenninals of the turbine-generator during the most restrictivec seasonal conditions minus the nonmal station service loads.
3. Number or Hlours the Reactor WVasCritical. 670.9 2.025.3 209.359.6 The total number of hours during the gross hours of the reporning period that the reactor was critical.
4. Number of lours the Generator Was On Line. 661.9 1.953.3 206.390.0 (Also called Service I[ours). The total number of hours during the gross hours of the reporting period that the unit operated with the breakers closed to the station bus.

The sum of the hours the generator was on line plus the total outage hours should equal the gross hours in the reporting period.

5. Unit Reserve Shutdown Hours. 0.0 0.0 0.0 The total number of hours during the gross hours of the reporting period that the unit was removed from service for economic or similar reasons but was available for operation.
6. Net Electrical Energy (NIMWI). 504.109.4 IA72.270.4 140.798.048.4 The gross electrical output of the unit measured at the output terminals of the turbine-generator minus the nonnal station sen-ice loads during the gross hours of the reporting period, expressed in mega-watt hours. Negative quantities should not be used.

!/10/200! IC:42 AM

APPENDIX B UNIT SIIUTDOWVNS DOCKET NO. 050-0298 UNIT NAME Cooper Nuclear Station DATE 5/10/2005 COMPLETED BY Rodrick D. Wilson TELEPHONE (402) 825-5135 REPORT MONTII April 2005 Type 'Method Of Shuttting No. Date F: FORCED Duration (1ours) Reason (I) Down (2) CAUSE/CORRECTIVE ACTIONS COMMENTS S: SCHEDULED 05.02 04115d05 F FORCED 57.1 A 3 Reactor feed water level transIent followed hy reactor vessel water level low level alarm and an automatilc scram

+ +

SUMMARY

At 0436 [hrs.] CDT 04/15/2005, Cooper Nuclear Station experienced a reactor feed water level transient followed by reactor vessel water level low level alarm and an automatic scram.

(I) Reason:

A - Equipment Failure (Explain)

a. Maintenance or Test C - Refueling D - Regulatory Restriction E - Operator Training/License Examination F- Administrative

( - Operational Error (Explain) 11 - Other (Explain)

(2) Melhod:

I . Mannal 2

  • Manual Trip/Scram 3 - Automatic Trip/Scram 4 - Continuation 5 - Other (Explain) 5/10/2005 10:41 AM

APPENDIX C SAFETY/RELIEF V'ALVE CHALLENGES APRIL 2005 There were no challenges to the safety/relief valves during the month of April.

I ATTACHMENT 3 LIST OF REGULATORY COMMITMENTSl Correspondence Number: NLS2005045 The following table identifies those actions committed to by Nebraska Public Power District (NPPD) in this document. Any other actions discussed in the submittal represent intended or planned actions by NPPD. They are described for information only and are I not regulatory commitments. Please notify the Licensing Manager at Cooper Nuclear Station of any questions regarding this document or any associated regulatory commitments.

COMMITTED DATE COMMITMENT OR OUTAGE None 4-

+

4-4-

4-1-

4-4-

4-J.

I PROCEDURE 0.42 l REVISION 16 l PAGE 19 OF 26

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