ML20029E196

Monthly Operating Rept for Apr 1994 for Clinton Power Station Unit 1.W/940511 Ltr

ML20029E196
Person / Time
Site:	Grand Gulf
Issue date:	04/30/1994
From:	Hollon M, Phares R ILLINOIS POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
U-602289, NUDOCS 9405170172
Download: ML20029E196 (5)

Text

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tilirois Power Company Clinton Power Staten P O. Box 6'78 j Clinton. IL 61727 1 Tei 217 935-8881 j ILLIN91S L30 05 - 11) -LP 8E.100c May 11, 1994 10CFR50.36 Docket No. 50-461 >

U.S. Nuclear P.egulatory Commission Document Cor.crol Desk Washington, D.C. 20555 Subj ect : Clinton Power Station, Unit 1 Facility Operating License NPF-62 Apd 1_ 1994 Monthly Operatinn Report

Dear Sir:

Please find in Attachment 1 the Monthly Operating Report for Clinton Power Station, Unit 1, for the period ending April 30,- 1994.

Sincerely yours,

?' i b TED R. F. Phares Director - Licensing MCil/krm Attachment cc: NRC Region III Regional Administrator NRC Resident Office Illinois Department of Nuclear Safety l

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94o5170172 940430 kW - I PDR ADOCK 05000416 R PDR

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, Attachment 1 to U-602289' Page 1 of _4 CHALLENGES TO MAIN STEAM SAFETY / RELIEF VALVES ,

Month April 1994 None l

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, Attachment l' to U-602289 Page 2 of 4 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-461 UNIT Clinton 1 DATE 04/30/94 COMPLETED BY M. C. Hollon i TELEPHONE (217) 935-8881 X3537  ;

MONTH April 1994 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 928 17 0 2 930 18 0 3 890 19 0 4 930 20 0 5 930 21 0 6 929 22 0 7 928 23 0 8 929 24 0 9 930 25 0 10 929 26 0 ,

11 428 27 153 12 919 28 592 13 918 29 797-14 925 30 882 15 891 31 N/A 16 148 n

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, Attachment 1 l to U-602289 Page 3 of 4 OPERATING DATA REPORT  !

DOCKET NO. 50-461 UNIT Clinton 1 DATE _04/30/94 COMPLETED BY M. C. Ilo11on TELEPHONE (217) 935-8881 X3537 OPERATING STATUS

1. . REPORTING PERIOD: __ April 1994 GROSS HOURS IN REPORTING PERIOD: 219

2. CURRENTLY AUTHORIZED POWER LEVEL (MWt): 2894 ,

MAX. DEPEND. CAPACITY (MDC) (MWe-Net): 930 DESIGN ELECTRICAL RATING (MWe-Net): 93.1

3. POWER LEVEL TO WHICH RESTRICTED (IF ANY) (MWe-Net): None .

4. REASONS FOR RESTRICTION (IF ANY): N/A THIS MONTH YR TO DATE CUMULATIVE

5. . NUMBER OF HOURS REACTOR WAS CRITICAL. 504.4 2.664.4 40.108.0

6. REACTOR RESERVE SliUTDOWN HOURS . . . . . . 0.0 0.0 0.0

7. HOURS GENERATOR ON LINE., .. .... . ,, 467.4 2.627.4 38.833.5

8. UNIT RESERVE SHUTDOWN HOURS. ... . ., 0.0 0.0 4.0

9. GROSS THERMAL ENERGY GENERATED (MWH)... 1.243.822 7.492.716 102.550.051 ,

10. GROSS ELECTRICAL ENERGY GENERATED (MWH) 411.251 2.484.086 33.902.950

11. NET ELECTRICAL ENERGY GENERATED (MWH). 389.454 2.381.675 32.247.518

12. REACTOR SERVICE FACTOR.... ........ . 70.2% 92.5% 71.1%

13-. REACTOR AVAILABILITY FACTOR. . . . . .. 70.2% 92.5% 71.1%

14. UNIT SERVICE FACTOR... .... ......... 65.0% 91.3% 68.9%

15. UNIT AVAILABILITY FACTOR. .... .. . ... 65.0% 91.3% 68.9%

16. UNIT CAPACITY FACTOR (Using MDC)....... 58.2% 89.0% 61.5%

17. UNIT CAPACITY FACTOR (Using Design MWe) 58.1% 88.7% 61.3%'

18. UNIT FORCED OUTAGE RATE........ .. . . 3.4% 0.6% 10.4%

19. SHUTDOWNS SCHEDULED OVER NEX1 SIX MONTHS (TYPE, DATE, DURATION OF EACH):

None

20. IF SHUT DOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP: NA l

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Attachment 2 o  ?

, to U-602289 Page 1 of 1 , , .

UNIT SHUTDOWNS AND POWER REDUCTIONS i

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. DOCKET NO. 50-461 UNIT Clinton 1 DATE 04/30/94 '

COMPLETED BY M. C. Hollon TELEPHONE (217) 935-8881 X3537 REPORT MONTH April 1994 METHOD OF TYPE SHUTTING DOWN F: FORCED DURATION THE REACTOR OR CORRECTIVE -

No. DATE S: SCHEDULED (HOURS) REASON (1) REDUCING POWER (2) ACTIONS /C0KMENTS i

94-02 940416 S: SCHEDULED 235.3 B:The plant was removed 1:The reactor was Planned work was from service to replace manually satisfactorily Reactor Recirculation shutdown in completed and generator Pump 1A seal, to inspect accordance with synchronized to grid at and replace Main Power plant operating 0644 on April 26, 1994 r Transformer "C" bushing, procedures. t to repack feedwater system valve (lFWOO9A) and to repair the drywell ,

weir box recorder.

94-03 940426 F: FORCED 9.7 B:To add / remove balance 4: Reactor remained Balance shot was added ,

shot from turbine / critical. to the turbine /

generator rotor shaft Generator generator rotor shaft I

due to vibration breaker opened. during the scheduled measurements obtained outage which ended.on after loading generator. April 26, 1994.

Vibration readings indicated further '

balancing was necessary.

94-04 940426 F: FORCED 6.6 B:To add / remove balance 4: Reactor remained Vibration reading  ;

shot from turbine / critical. indicated further generator rotor shaft Generator balancing was due to vibration breaker opened. necessary.

measurements obtained after loading generator.

(1) Reason A-Equipment Failure (explain), B-Maintenance or Test, C-Refueling, D-Regulatory Restriction,

, E-Operator Training & License Examination, F-Administrative, G-Operational Error (explain),

< H-Other (explain)- .

(2) Method- '

l-Manual, 2-Manual Scram, 3-Automatic Scram, 4-Other (explain) .

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