U-602461, Monthly Operating Rept for May 1995 for Clinton Power Station

Monthly Operating Rept for May 1995 for Clinton Power Station

ML20085E175
Person / Time
Site:	Clinton
Issue date:	05/31/1995
From:	Hollon M, Phares R ILLINOIS POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
U-602461, NUDOCS 9506160458
Download: ML20085E175 (5)

Text

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lilinois Power Company I Chnton Power Staton P.O. Box 678 Chnton, IL 61727 Tel 217 935-8881 U-602461 P6MR t30-95(06-07)-LP 8E.100c June 7, 1995 10CFR50.36 i Docker No. 50-461 .

U.S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555

• Subj ect: Clinton Power Station, Unit 1 Facility Operating License NPF-62 i May 1995 Monthly Oneratine Reoort

Dear Sir:

Please find in Attachment 1 the Monthly Operating Report for Clinton Power Station, Unit 1, for the period ending May 31, 1995.

Sincerely yours, Richard F. Phares i Director - Licensing  ;

MCH/krm ,

Attachment cc: NRC Region III Regional Administrator NRC Resident Office, V-690 Illinois Department of Nuclear Safety b

9506160458 950531 PDR ADOCK 05000461 i R PDR '

r :

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I Attcchment 1 to U-602461 Page 1 of 4 CilALLENCES TO MAIN STEAM SAFETY / RELIEF VALVES Month May 1995 l

l None 5

Attcchment 1

. to U-602461 Page 2 of 4 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-461 UNIT Clinton 1 DATE 05/31/95 COMPLETED BY M. C. Hollon TELEPHONE (217) 935-8881 X3537 MONTH May 1995 I

DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 184 17 0 2 279 18 0 3 286 19 0 4 293 20 160 5 536 21 778 6 741 22 922 7 823 23 924 8 836 24 924 9 834 25 926 10 617 26 927 11 12 27 927 12 0 28 845 13 193 29 927 14 738 30 925 15 599 31 925 16 0

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Atttchment 1  :

- to U-602461 l Page 3 of 4 j OPERATING DATA REPORT DOCKET NO. 50-461 UNIT Clinton 1 l l

DATE 05/31/95 ,

COMPLETED BY M. C. Hollon  ;

1 TELEPHONE (217) 935-8881 X3537 OPERATING STATUS

1. REPORTING PERIOD: May 1995 CROSS HOURS IN REPORTING PERIOD: 744

2. CURRENTLY AUTHORIZED POWER LEVEL (MWt): 23.2,li MAX. DEPEND. CAPACITY (MDC) (MWe-Net): 2)&

DESIGN ELECTRICAL RATING (MWe-Net): 13)

3. POWER LEVEL TO WHICH RESTRICTED (IF ANY) (MWe-Net): Hgng,

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

5. NUMBER OF HOURS REACTOR WAS CRITICAL... 603.6 2.342.9 48.094.8

6. REACTOR RESERVE SHUTDOWN HOURS......... 0.0 0.0 0.0

7. HOURS GENERATOR ON LINE................ 579.9 2.243.6 ___46.668.0

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

9. GROSS THERMAL ENERGY GENERATED (MWH)... 1.334.655 5.517.024 123.983.222

10. GROSS ELECTRICAL ENERGY GENERATED (MWH) 429.312 1.799.229 40.956.180

11. NET ELECTRICAL ENERGY GENERATED (MWH).. 405.888 1.705.998 38.982.176

12. REACTOR SERVICE FACTOR................. 81.1% 64.7% 73.0%

13. REACTOR AVAILABILITY FACTOR............ 81.1% 64.7% 73.0%

14. UNIT SERVICE FACTOR.................... 77.9% 61.9% 70.8%

15. UNIT AVAILABILITY FACTOR. . . . . . . . . . . . . . . 77.9% 61.9% 70.8%

16. UNIT CAPACITY FACTOR (Using MDC)....... 58.71 50.6% 63.6%

17. UNIT CAPACITY FACTOR (Using Design MWe) 58.5% 50.5% 63.4%

18. UNIT FORCED OUTAGE RATE................ 16.1% 6.5% 9.1%

19. SHUTDOWNS SCHEDULED OVER NEXT SIX MONTHS (TYPE, DATE, DURATION OF EACH): l None

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

Attechment 1 . -

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-461 UNIT Clinton 1 DATE 05/31/95 COMPLETED BY M. C. Hollon TELEPHONE (217) 935-8881 X3537 REPORT MONTH May 1995 METHOD OF TYPE SHUTTING DOWN F: FORCED DURATION THE REACTOR OR CORRECTIVE NO. DATE S: SCHEDULED (HOURS) REASON (1) REDUCING POWER (2) ACTIONS / COMMENTS 95-05 950511 S 52.9 A: Plant Shutdown for a 1: Reactor Repaired indexer and maintenance outage (MO-7) manually completed other work to repair problem with shutdown in in outage scope, the "B" Traversing In-Core accordance with Resynchronized to grid Probe (TIP) Indexer, which plant operating at 0744 on 5/13/95.

was limiting power to procedures.

approximately 90%.

95-06 950515 F 111.2 A: Manual scram initiated 2: Manual Scram Problem determined to following an automatic be a shorted bus in the downshift of the Reactor card cage for the "B" Recirculation Pumps Flow Control Valve.

which resulted in Replaced card cage, operations entering the card and regulator and restricted region of the commenced Reactor power to flow map. Startup on 5/16/95.

During startup, a rod mispositioning event occurred which prompted management to extend the outage for additional corrective actions, i.e.,

training, procedure revisions, etc., prior to restart. Generator synchronized to grid at 0747 on 5/20/95.

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

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