ML20042G975

Monthly Operating Rept for Apr 1990 for Cooper Nuclear Station.W/900504 Ltr

ML20042G975
Person / Time
Site:	Cooper
Issue date:	04/30/1990
From:	Horn G, Jacqueline Thompson NEBRASKA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
CNSS907214, NUDOCS 9005160359
Download: ML20042G975 (5)

Text

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CNSS907214 May 4, 1990 Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555;

Subject:

Monthly Operating Status Report for April 1990, Docket No,.50 298 I

o Gentlemen:

Enclosed for your information and use is the Cooper Nuclear Station Monthly.-

0perating Status Report for April 1990. The report includes Operating Status,.

Avorage Daily Unit Power Level, Unit Shutdown Data, and a Narrative Summary of '

Operating Experience .

Should you have anf comments or require additional information regarding this report, please contact me, Sin erel ,:

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G. R.) Horn

~ Division' Manager of Nuclear Operations GRH/EAK:Ju Enclosures

,. cc: G. D. Watson w/ enc, L

R. D. Martin w/ene.

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, . OPERATING DATA REPORT 1 .t E  :,-

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, . DOCKET NO , 050-0298 , .

-  : UNIT CNS DATE May 4 '. 1990

- OPERATING STATUS- TELEPHONE (402')' 825-5291' i

1. Unit dame: Coooer Nuclear Station Notes

2. Reporting Period: Aoril 1990 3.' Ucensed Thermal Power (MW:): 2381 4 Nameplate Rating (Gross MWe): 836 [

6 Design Electrical Rating (Not MWe)i 778 6/ Maximum Dependable Capacity (Gross MWe): 787 ,

7, . Maximum Dependable Capacity (Not MWe): 764

' B. if Changes Occur in Capacity Ratings (Items Number 3 Throech 7) Since Last Report, Give Reasons:

g, Power Level To Which Restricted,if Any (Not MWe)

- 10. : Reasons For Restriction lf Any:

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This Month Yr. to-Date ' Cumulative

11. Hours in Reporting Period 719.0 2.879.0 138.792.0 ,

12 Number of Hours Reactor Was Critical 0.0 1.465.0 104.113.2

- 13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0 ' :"

14. Hours Generator On-Une 0.0 1.465.0- 102.496.7 L

-15c - Unit Reserve Shutoown Hours 0.0 0.0 0.0 - .;

16 Gross Thermal Energy Generated (MWH) - 0.0 3.307.528.0 205.990.558.0

17. Gross Electrical Energy Generated (MWH) 0.0 1.108.739.0 _ D6.444.612.0 '

18. ~ Not Electrical Energy Generated (MWH) 0.0 1.069.620.0 64.084.815.0 f

19. Unh Service Factor 0.0 50.9 73.8 ,

20. ~ Unit AvsilabilityFactor 0.0 50.9 73.8

21. ' ' Unit Capacity Factor (Using MDC Net) 0.0 48.8- 60.4 22c Unit Capacity Factor (Using DER Net) 0.0 47.6 59.3 Unit Forced Outage Rate 0.0 0.0 4.7 23 .{

r 24 Shutdown Scheduled Over Next 6 Months (Type, Date, and duration of Each):

Refuelina and Maintenance Outaae 13. Scheduled for March 1990: 8 Week duration >

1

'6 ff Ghut Down At End of Report Period, Estimated Date of Startup: May 6.1990 ]

26. Units in Test Status (Prior to CommercialOperation): Forecast Achieved

'NITIAL CRITICALITY j INITIAL ELECTRICITY ,g COMMERCIAL OPERATION _ , , , , , ,

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L. -; a ,. 7,y DOCKET NO. 050-0298

-T UNIT- CNS DATE, May 4, 1990 TELEPHONE (402) 825-5291

' MONTH March 1990 DAY- AVERAGE DAILY POWER LEVEL DAY ~ AVERAGE DAILY POWER LEVEL (MWe-Met) (MWe-Met) 1 0 17 0 2 0 18 0 3 5 19 0 4 0 20 0

'S 0 21 0 6 0~ 22 0 7- 0 23 0

-8 0 24 0

'9 0 25 0 10 0 26 0 11 0 27 0 12 0 28 0 13 0 29 0 14 0 30 0

-15 0 31 0

.16 0 INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each

• day in the reporting month.

Compute to the nearest whole megawatt.

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 050-0298 7 -

.1 UNIT NAME Cooper Nuclear Station f "

DATE May 4.1990 - -

'I COMPLETED BY ' ' J. E. Thompson _

TELEPHONE (402) 925-5291 ~

REPORT MONTH APRIL 1990 ['

MeWxf of . Ucensee Cause & Corrective Duration . Shutung Event System' Component

• Action to -

No. Date Type ' (Hours) Reason' Down Reactor * . Report # Code Coue .. Prevent Recurrence 90-01 ~900303 S 719 C 2 N/A N/A N/A Reactor , shutdown for ~1990 (EOC13)

Refueling and Maintenance Outage.I l

i 1 F: Forced 2 Reason: 3 Method- 4 Exhibit G - Instructions for -

S: Scheduled A - Equipment Failure (Explain) 1 - Manual Preparaton of Data Entry .

B - Maintenance or Test 2 - Manual Scram Sheets for Licensee Event C- Refueling 3 - Automatic Scram Report (LER) File (NUREG416t}

D - Regulatory Restriction 4 - Continued

- E - Operator Training & License Examination ~ 5 - Reduced Load . 5 Exhibit 1 - Same Soutre F - Administrative _ 6 - Other G - Operational Error (cAin)

H - Other (Explain)

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OPERATIONS NARRATIVE Cooper Nuclear Station April 1990 i t

The 1990 (EOC13) Refueling and Maintenance Outage continued throughout the month of April. The capacity factor for April was 0%.

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