ML20154L538

Monthly Operating Rept for Sept 1998 for Cooper Nuclear Station.With

ML20154L538
Person / Time
Site:	Cooper
Issue date:	09/30/1998
From:	Ballinger P, Peckham M NEBRASKA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GL-97-02, GL-97-2, NLS980167, NUDOCS 9810190346
Download: ML20154L538 (6)

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Nebraska Public Power District Nebraska's Energy Leader j NLS980167 j October 15,1998 I

U. S. Nuclear Regulatory Commission  ;

Attention: Document Control Desk I Washington, D.C. 20555-0001 1

Gentlemen:

Subject:

Monthly Operating Status Report for September 1998, Docket No. 50-298.

l Enclosed for your information and use is the Cooper Nuclear Station Monthly Operating Status l Report for September 1998. In accordance with the guidance provided by Generic Letter 97-02, this j report includes an Operating Data Report and Unit Shutdown Report for the month of September. i In accordance with Technical Specification 5.6.4, this report also includes documentation of challenges to the safety / relief valves. l l

Should you have any comments, or require additional information regarding this report, please I contact me. I I

1 Sincerely, l M. F. Pec ham l Plant Manager MFP:lb ,.,-n Enclosures a' JU""

cc: NRC Regional Administrator L NRC Senior Resident Inspector

ANI Library ,

' R. W. Beck and Associates )

J. M. Cline A. L. Dostal

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J. W. Dutton M. G. Farschon Cooper Nudear Station PO. Box 98/ Brownville NE 68321-0098 Telechone: 1402) 825 3811/ Fax: (402) 825-5211 9810190346 981015 :p://www.nopacom PDR ADOCK 05000298 l R PDRg L

-t U.S. Nuclear Regulatory Commission October 15,1998 Page 2 '

R. L. Gumm'-

INPO Records Center R. P. Kosch E. A. Lanning T. LaPorte-

_ B. Lewis -

W. R. Mayben E. Pasche

' R. D. Stoddard J. H. Swailes W. Turnbull -

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e t-APPENDIX A OPERATING DATA REPORT DOCKET NO. 450 0298 r ' UNIT NAME Cooper Naclear Station DATE- 10/15/98 COMPLETED BY P. I. Ballister

. TELEPHONE (402)s25-5295 l

Reporting Period: september 199s This Month Yr.-to-Date Cumulative

l. ' Design Electrical Rating (Net MWe). 778 N/A N/A The nominal net electrical output of the unit specified by the utility and used for the purpose of plant design.

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2. Maximum Dependable Capacity (Net MWe): 764 N/A N/A The gross electrical output as measured at the output terminals of the turbine.

generator during the most restrictive seasonal conditions minusi normal station service loads. .

3. Number ofIfours the Rec. Was Critical, 720 0 6,239 9 161,279 6 g The total number of hot . ring the i gross hours of the reporting period that the reactor was critical.

' 4. Number of flours the Generator Was On Line. 720 0 6.210 5 159,031 8 (Also called Service flours). 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 llours. 00 00 00 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 (MWil). 519,907 0 4,649,614 0 105,670,337 6 The gross electrical output of the unit measured at the output terminals of the turbine-generator minus the normal station service loads during the gross hours of the reporting period, expressed in mega-watt hours. Negative quantities should not be used.

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l 10/6/98 10:38 AM

,o APPENDLX B UNIT SHUTDOWNS .

DOCKET NO. 050-0298 ,

UNIT NAME Cooper Nuclear Station DATE 10/15/98 COMPLETED BY P. L Bauinger TELEPHONE (402)825-5295 REPORT MONTil Septeenber 1998 No. Date Duratiom (Hours) Reason (1)

F: FORCED Down Reactor (2) COMMENTS S: SCIIEDi' LID N/A SUM.%LARY: The plant operated at maximum power in end ofcycle coastdown for month. Planned surveillance testing and ma5tenance was performed at reduced power.

(1) Reason:

A - Equipment Failure (Emplais)

M- Mclatemance or Test C- Refueling D- Regulatory Restriction E - Operator Training /Ucense Examination F- Administrative G - Operational Error (Explais)

II-Other(Esplais)

(2) Method:

1 - Manual 2 - Mammat Trip / Scram 3 - Automatic Trip / Scram 4 - Continuation 5 - Other (Explais) 10/6/98 10:38 AM

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APPENDIX C

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SAFETY / RELIEF VALVE CHALLENGES .

o SEPTEMBER 1998

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. There.were no challenges to the safety / relief valves during the month ~ of September.

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• * .l ATTACHMENT 3 LIST OF NRC COMMITMENTS l Correspondence'No: NLS980167 l j

1 The f911owing-table identifies those actions committed to by the District in this document. Any other actions discussed in the submittal represent intended or f

planned actions by the District. They are described to the NRC for the NRC's l information and are not regulatory commitments. Please notify the NL&S Manager at L Cooper Nuclear Station of any questions regarding this document or any associated regulatory commitments, i

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ATE j COMMITMENT OR OUTAGE .l l

None l i

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f l PROCEDURE NUMBER 0.42 l REVISION NUMBER 6 l PAGE 9 OF 13 l

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