ML20082B577

Monthly Operating Repts for June 1991 for Point Beach Nuclear Plant Units 1 & 2

ML20082B577
Person / Time
Site:	Point Beach
Issue date:	06/30/1991
From:	Fay C, Peterson D WISCONSIN ELECTRIC POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
CON-NRC-91-065, CON-NRC-91-65 VPNPD-91-217, NUDOCS 9107150372
Download: ML20082B577 (9)

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Wisconsin Electnc POWER COMPANY 231 W Michcan, Po Box 20% Mawo Aee. # 53201 (414)221 2345 VPNPD-91-217 NRC-91-065 July 10, 1991 U.S. NUCLEAR REGULATORY COMMISSION Document Control Desk Mail Station P1-137 Washington, D.C. 20555 Gentlemen:

DOCKETS S0-266 AND 50-301 I MONTHLY OPERATING REPORTS POINT BEACH NUCLEAR PLANT, UNITS 1 AND 2 Attached are monthly operating reports for Units 1 and 2, Point Beach Nuclear Plant, for the calendar month of June 1991.

Very truly yours,

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C . JW . Fay Vice President Nuclear Power Attachments Copies to L. L. Smith, PSCW NRC Regional Administrator, Region III NRC Resident Inspector

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- m OPERATING DATA REPORT DOCKET NO. 50-266 .

DATE: July 8, 1991 COMPLETED BY: D. C. Peterson TELEPHONE 414/755-2321 OPERATING STATUS POINT BEACH NUCLEAR PLANT UNIT 1 . NOTES

1. UNIT NAME: .

2. REPORTING PERIOD: JUNE 1991 .

3. LICENSED THERMAL POWER (MWT): 1518.5

4. NAMEPLATE RATING (GROSS MWE): 523.8 .

5. DESIGN ELECTRICAL RATING (NET MWE): 497. .

6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): 509.

7. MAXIMUM DEPENDABLE CAPACITY (NET MWE): 485.

8. IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS NUMBER 3 THROUGH 7) SINCE LAST REPORT, GIVE REASONS:

NOT APPLICABLE

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MWE): NOT APPLICABLE

10. REASONS FOR RESTRICTIONS, (IF ANY): NOT APPLICABLE TMIS MONTH YR TO DATE CUMULATIVE 720 4,343 181,007

11. HOURS IN REPORTING PERIOD 3,285.6 149,053.2 708.3

12. NUMBER OF HOURS REACTOR WAS CRITICAL 0.0 652.7 0.0

13. REACTOR RESERVE SHUTDOWN HOURS 3,210.6 146,114.2 708.3

14. HOURS GENERATOR ON LINE 0.0 837.9 0.0

15. UNIT RESERVE SHUTDOWN HOURS 4,795,357 204,202,052 1,027,546

16. GROSS THERMAL ENERGY GENERATED (MWH) 1,636,400 68,938,780 356,370

17. GROSS ELECTRICAL ENERGY GENERATED (MWh) 1,560,958 65,681,998 340,301

18. NET ELECTRICAL ENERGY GENERATED (MWH) 73.9 80.7 98.4

19. UNIT SERVICE FACTOR 73.9 81.2 93.4

20. UNIT AVAILABILITY FAC*OR 74.1 74.4 97.5

21. UNIT CAPACITY FACTOR (USING MDC NET) 72.3 73.0 95.1 i 22. UNIT CAPACITY FACTOR (USING DER NET) 0.7 1.7 1.6

23. UNIT FORCED OUTAGE RATE

24. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE, DATE, AND DURATION OF EACH):

NONE

25. IF SHUTDOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP: NOT SHUTDOWN I

1977 DATA REPORTED AND FACTORS CALCULATED AS REQUESTED IN NRC LETTER DATED SEPTEMBER 22, h

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r-UNIT NAME Peim Beach. Unit 1 AVERAGE DAILY UNIT POWER I.EVEL DATE Jafy 8_ IW1 MONTH JUNE - IW1 COMPLETED BY J. T. Kirchen TFT FPHONE 474/755- 3 21 AVERAGE AVERAGE AVERAGE DAILY D A I? Y DAILY POWER LEVEL POWER LEVEL POWER LEVEL MWe NET DAY MWe NET DAY MWe NET DAY 21 495 11 3R5 1 4W 22 SM 12 JM 2 501 495 23 se

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POINT BEACH NUCLEAR FIANT Docket No.  % 266 -

p. Unit Name - Pu Beacit Unit i UNIT SHUTDOWNS AND POWER REDCCTIONS Date . July 8 ?901 ,

Comp;cted By C W. Krause D. C Petersen.

REPORT MONIR JUNE - 1901 TckAuse No. 414/2?I-230L 414mS2221 l l 3 '

Method of i 5%eteg h Date Type' Duratum - Reasoe 2 Dean 1xessee bent Syaem Con posent Cause and Corutne Actica 1 910611 F 0 A 5 Of Instm Leakage ce Maia feed Pump P-25A page Ene.

2 91%29 F 11.5 A 3 91 477 ED Genera L.s.r4 seactor prcnection i,s.-.env t*ss due to inverter fadwre.

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i j 'F: Forced Reasorr ' Method: ' Exhibit G - Instnictions S: Scheduled A - Equipment Failure (explain) 1 -- Manual for preparation of

B - Maintenance or Testing 2 - Manual Scram data entry sheets 3

C - Refueling 3 - Automatic Scram LER file (NMEG-0161)

D - Regulatory Restriction 4 - Continuation of 1

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E - Operator Training & Predous Shutdown Licennng Exam 5 - Reduced Lead

- F- Administrative 6 - Other (explain) 'ExluEt I - Same Source G - Operational Error (explain)

H - Other (explain) rar-oo:so (O M O)

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, DOCKET NO. 50-266 UNIT NA:4E Point Deach, Unit 1 DATE July 8, 1991 COMPLETED BY D. C. Potorson TELEPHONE 414/755-2321, Extension 361 Following a 45-day refueling and maintenance outago completed in the previous month, Unit 1 operated at approximately 473 MWo not throughout this report period with one significant load reduction and one unit trip. The significant load reduction was caused by instrument lino leakago on the steam generator foodwater pump IP-28A. The unit trip was due to do-energized reactor protection instrumentation bus due to inverter failure.

During this period, Unit 1 experienced an event which is reportable in accordance with 10 CFR 50.73 (LER 91-006). On June 15 omorgency diosol generator G-01 fast-started as a result of switches in-local control panel C-64A being disturbed as the panel door was opened.

Safety-related maintenance included repaired leaking suction flow transmittor fi.tting on steam generator foodwater pump 1P-28A; replaced dofoctivo diodos in inverter DY-01; replaced stem, plug, and cago of atmospheric steam dump valvo IMS-2016; and replaced seals on component cooling water pump 1P-11A.

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< AVERAGE DAILY UNIT POWER LEVEL UNIT NAME Point Bean. Unit 2 MONTli JUNE - 1991 DATE Julv8.1991 ~

' COMPLETED BY J. T. Kirchen TELEPHONE 414/755-2321

! AVERAGE AVERAGE AVERAGE l DALLY DAILY DAILY l POWER LEVEL POWER LEVEL POWER LEVEL DAY _MWe NET DAY MWe NET DAY MWe NET i

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POINT BEACH NUCLEAR PLANT Docket No. S)-301 Unit Name Point Beach. Unit 2 UNIT SillTi DOWNS AND POWER REDUCTIONS Date July 8. !?>1 - -

Completed By C. W. Krause_ D. C. Peterson REPORT MONTH JUNE - 1991 Telephone No. 414/221-2001. 414n55-2321 Method of Shornng i  % Dare Type' Duration Reason Down licensee Event System Component Cease and Correctrve Acton (Ifouni Reactor3 Rerort No ~ Code

• Code' To Pr-vent Reev= nce 2

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'F: Forced Reason- ' Method-

• Exhibit G - Instructions S: Scheduled A - Equipment Failure (explain) 1-M d for preparation of B - Maintenance or Testing 2 - Manual Scram data entry sheets C - Refueling 3 - Automatic Scram LER file (NUREG-0161)

D - Regulatory Restriction 4 - Continuation of E - Operator Training & Presious Shutdown licensing Exam 5 - Reduced Load F- Administrative 6 - Other (explain) Mt I - Same Source G - Oper tional Error (explain)

H - Other (explain)

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. DOCKET NO. 50-301 UNIT NAME Point Beach, Unit 2 DATE July 8, 1991 COMPLETED BY D. C. Potorson TELIPl!ONE 414/755-2321, Extension 361 Unit 2 operated at approximately 195 MWo not throughout this report period with no significant load reductions.

Safety-related maintenanco performed during the month included inspection and repair of insulating wrap on motor leads of safety injection pumps 2P-15A and Bt replacement of power and control cables for residual heat removal pump sump "B" suction valvo 281-850B, residual heat removal pump sump "B" suction valvo 2SI-851B, and residual heat removal pump refueling water storage tank suction valvo 2SI-856B; replacement of the power cable to containment sump "A" dischargo valvo 2WL-1728; and roset regulator setting on reactor coolant drain tank vont valvo 2WG-1787.

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