U-603577, July 2002 Monthly Operating Report for Clinton Unit 1

July 2002 Monthly Operating Report for Clinton Unit 1

ML022400034
Person / Time
Site:	Clinton
Issue date:	08/15/2002
From:	Iliff W AmerGen Energy Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
U-603577
Download: ML022400034 (5)

Text

Amerg n An Exelon/British Energy Company Clinton Power Station R R 3 Box 228 Clinton, IL 61727-9351 10CFR50.36 U-603577 August 15, 2002 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 Clinton Power Station Facility Operating License No. NPF-62 NRC Docket No. 50-461

Subject:

July 2002 Monthly Operating Report Please find in Attachment 1 the Monthly Operating Report for Clinton Power Station, Unit 1, for the period ending July 31, 2002.

Respectfully, W. S. il Regulatory Assurance Manager Clinton Power Station MJS/blf Attachments cc: Regional Administrator - NRC Region Ill NRC Senior Resident Inspector - Clinton Power Station Office of Nuclear Facility Safety - Illinois Department of Nuclear Safety

ATTACHMENT 1 CHALLENGES TO MAIN STEAM SAFETY/RELIEF VALVES Month July 2002 None

ATTACHMENT 2 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-461 UNIT Clinton 1 DATE 07/31/02 COMPLETED BY M. J. Sloan TELEPHONE (217)937-3280 MONTH July 2002 1 1026 17 1029 2 1026 18 1028 3 1026 19 1028 4 67 20 1029 5 57 21 1029 6 824 22 1025 7 998 23 1028 8 1018 24 1029 9 965 25 1029 10 1024 26 1027 11 1026 27 1027 12 1028 28 1027 13 1031 29 1027 14 1031 30 1027 15 1029 31 1026 16 1027

ATTACHMENT 3 OPERATING DATA REPORT DOCKET NO. 50-461 UNIT Clinton 1 DATE 07/31/02 COMPLETED BY M. J. Sloan TELEPHONE (217)937-3280 OPERATING STATUS

1. REPORTING PERIOD: July 2002 GROSS HOURS IN REPORT PERIOD: 744

2. CURRENTLY AUTHORIZED POWER LEVEL (MWt): 3473 MAX. DEPEND. CAPACITY (MDC) (MWe-Net): 1022 DESIGN ELECTRICAL RATING (MWe-Gross): 1062

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 7182 4252 6 85,063 8 5 NUMBER OF HOURS REACTOR WAS CRITICAL 00 00 0.0 6 REACTOR RESERVE SHUTDOWN HOURS

• 703 5 4132 8 82,916 5

7. HOURS GENERATOR ON LINE 00 00 40

8. UNIT RESERVE SHUTDOWN HOURS 2,283,654 0 12,378,287 227,895,626 6

9. GROSS THERMAL ENERGY GENERATED (MWH) 740,376 0 4,076,170 0 75,521,800 10 GROSS ELECTRICAL ENERGY GENERATED (MWH) 707,581 3,902,578 6 72,070,017

11. NET ELECTRICAL ENERGY GENERATED (MWH) 965% 836% 661%

12. REACTOR SERVICE FACTOR 965% 836% 66.1%

13. REACTOR AVAILABILITY FACTOR 946% 81 2% 644%

14. UNIT SERVICE FACTOR 946% 81.2% 644%

15. UNIT AVAILABILITY FACTOR 102.6% 82.5% 602%

16. UNIT CAPACITY FACTOR (Using MDC) 938% 80.1% 551%

17. UNIT CAPACITY FACTOR (Using Design MWe) 54% 2.7% 7 0%

18 UNIT FORCED OUTAGE RATE

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

TYPE DATE DURATION NONE

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

N/A

ATTACHMENT 4 'I UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-461 UNIT Clinton 1 DATE 07/31/02 COMPLETED BY M. J. Sloan REPORT MONTH July 2002 METHOD OF TYPE SHUTTING DOWN FORCED DURATION THE REACTOR OR CORRECTIVE NO. DATE F: SCHEDULED (HOURS) REASON (1) REDUCING POWER ACTIONS/COMMENTS (2)

Ul U(IU4/U0 I-FORCUEDL 40.5 A 3 An unplanned automatic scram occurred on July 4 due to the Main Power Transformer (MPT) B sudden pressure relay trip.

Immediate actions were to replace the defective sudden pressure relay on MPT B and testing of MPT A and C sudden pressure relays for proper operation. No interim corrective actions were required for this hardware failure. The unit was returned to service on 7/5/02 at 1805.

(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)

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