RC-98-0029, Monthly Operating Rept for Jan 1998 for VC Summer Nuclear Station,Unit 1

Monthly Operating Rept for Jan 1998 for VC Summer Nuclear Station,Unit 1

ML20202G596
Person / Time
Site:	Summer
Issue date:	01/31/1998
From:	Bell W, Gabe Taylor SOUTH CAROLINA ELECTRIC & GAS CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
RC-98-0029, RC-98-29, NUDOCS 9802200175
Download: ML20202G596 (7)

Text

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soutgC-grotina Electric & Gas Company J.Ta or

.- e nsvt . C 29065 Nuclear Operations

, SCE&G escann m February 13, 1998 RC-98-0029 Document Control Desk U. S. Nuclear Regulatory Commission Washington, DC 20555 Attention: Director, Office of Resource Management Gentlemen:

Subject:

VIRGIL C. SUMMER NUCLEAR STATION l

DOCKET NO. 50/395 OPERATING LICENSE NO. NPF 12 JANUARY MONTHLY OPERATING REPOWT Enclosed is the January 1998 Monthly Operating ReporA ine Virgil C. Summer Nuclear Station Unit No.1. This submittalis made in accordance with the l

l requirements of Technical Specifications, Section 6.9.1.10.

If there are any questions, please call me at your convenience.

Very truly yours, j' W6( 0 Gary J. Taylor nkk Attachment c: W. F. Conway P. Ledbetter R. R. Mahan (w/o attachment) INPO Records Center R. J. White Marsh & McLennan L. A. Reyes William G. Wendland (ANI)

L. M. Padovan Pat Haught (Westinghouse)

S. A. Byrne RTS (MON 2000)

R. M. Fowlkes DMS (RC-98-0029)

NRC Resident inspector File (818.031)

J. B. Knotts Jr. j

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980220o175 990131 l PDR R

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NUCLEAR EXCELLENCE - A SUMMER TRADITION! $N I

Director, Office of Resource Management i

January Monthly Operating Report-Page 1 ATTACHMENT I AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50/395 UNIT V. C. SUMMER I DATE 2/ 6/98 COMPLETED BY W. H. BELL TELEPHONE (803) 345-4389 JANUARY 1998 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) >

1. 960 17, 965 I

2. 203 18, 967 l 3. 0 19. 967 i

4. 0 20. .

5. 0 21. 968

6. 0 22, 967 7, 155 23. 968

8. 781 24. 968

9. 965 25. 967

10. 966 26. 968

11. 968 27. 967

12. 967 28. 968

13. 968 29. 968

14. 967 30, 967

15. 966 31. 968

16. 967

Director, Office of Resource Management January Monthly Operating Report Page 2 ATTACHMEllT II OPERATING DA' A REPORT i

DOCKET NO. 50/395 UNIT V. C. SUMMER I DATE 2/ 6/98 COMPLETED BY W. H. BELL TELEPHONE (803) 345-4389 OPERATING STATUS h

1g 1. Reporting Period: January 1998

'r Gross Hours in Reporting Period: 744

2. Currently Authorized Power Level (MWt): 2900 Max. Depend. Capacity (MWe-Net): 954 Design Electrical Rating (MWe-Net): 963

3. Power Level to Which Restricted (If Any) (MWe-Net) : N/A

4. Reasons for Restrictions: N/A THIS MONTH YR TO DATE CUMULATIVE

5. Number of Hours Reactor Critical 640.7 640.7 101582.7

6. Reactor Reserve Shutdown Hours 0.0 0.0 0.0 7 Hours Generator on Line 622.5 622.5 100041.3

8. Unit Reserve Shutdown Hours 0.0 0.0 0.0

9. Gross Thermal Energy Generated (MWH) 1755857 1755857 264567488

10. Gross Electrical Energy (MWH) 607610 607610 88323489

11. Net Electrical Energy Generated (MWH) 584404 584404 84174026

12. Reactor Service Factor 86.1 86.1 82.3

13. Reactor Availability Factor 86.1 86.1 82.3

14. Unit Service Factor 83.7 83.7 81.0

15. Unit Availability Factor 83.7 83.7 81.0

16. Unit Capacity Factor (Using MDC) 82.3 82.3 76.4

17. Unit Capacity Factor (Design MWe) 81.6 81.6 75.2

18. Unit Forced Outage Rate 16.3 16.3 4.1

19. Shutdowns Scheduled Over Next 6 Months (Type, Date & Duration of Each) :

NONE

20. If Shut Down at End of Report Period, Estimated DLte of Startup: N/A

21. Units in Test Status (Prior to Commercial Operation) : N/A s

Director, Office of Resource Management January Monthly Operating Report Page 3 ATTACHMENT III UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50/395 UNIT V. C. SUMMER I DATE 2/ 6/98 COMPLETED BY W. H. BELL TELEPHONE (803) 345-4389 JANUARY 1998 NO. DATE TYPE DURATION REASON METHOD CORRECTIVE ACTION / COMMENTS 1 1/2/98 F 121.5HR A 1 TECH SPEC REQUIRED SHUTDOWN REQUIRED TO REPAIR "A" DIESEL GENES,ATOR 1.0 REASON A: Equipment Failure B: Maintenance or Test C: Refueling-D: Regulatory Restriction E: Operator Training and License Examination F: Administrative G: Operational Error H: Other (Explain) 2.0 METHOD 1:-Manual 2: Manual Scram 3: Automatic Scram 4: Continuation (Use initial Date) 5: Power Reduction (Duration 0.0)

9. Other (Explain)

4 D(rector, Office of Resource Management

, January Monthly Operating Rt. port Page 4 ATTACHMENT IV NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO. 50/395 UNIT V. C. SUMMER I DATE 2/ 6/98 COMPLETED BY W. H. BELL TELEPHONE (803) 345-4389 JANUARY 1998 ON 1/2/98, THE PLANT SHUT DOWN TO PERFORM REPAIRS ON THE "A" DIESEL GENERATOR. THE MAIN GENERATOR BREAKER WAS OPENED AT 08:15 AND THE REACTOR WAS SHUT DOWN AND MODE 3 ENTERED AT 10:26. START UP BEGAN ON 1/6/98. THE REACTOR BECAME CRITICAL AT 17:40. ON 1/7/98 AT 09:47, THE MAIN GENERATOR BREAKER WAS CLOSED. REACTOR PONER REACHED 100% ON 1/8/98 AT 20:45 AND REMAINED AT THAT LEVEL FOR THE REMAINDER OF THE MONTH.

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4

, MISCELLANEOUS OPERATING STATISTICS THRU January 1998

. VIRGIL C SUMMER NUCLEAR STATION, UNIT 1 OPERATING STATUS Currently Authorized Power Level (MWt): 2900 Max. Depend. Capacity (MWe-Net): 954 Design Electrical Rating (MWe-Net): 963 Gross Maximum Capacity (MWe): 1001 Gross Dependable Capacity (MWe): 1001 LIFE FISCAL YEAR 12 MONTH 3 MONTH OF PLANT TO DATE TOTALS TOTALS Number of Hours Reactor Critical 108917.5 4271.7 7767.1 1984,9 Reactor Reserve Shutdown Hours 0.0 0.0 Hours Generator on Line 107040.7 4217.6 7685.2 1935.9 Unit Reserve Shutdown Hours 0.0 0.0 i Gross Thermal Energy Generated (MWH) 279178023 11790104 21719234 5216823 Gross Electrical Energy (MWH) 93103999 4039600 7432860 1796910 Net Electrical Energy Generated (MWH) 88666752 3883509 7145924 1726286 Reactor Service Factor 81.7 82.8 Reactor Availability Factor 81.7 82.8 Unit Service Factor 80.3 81.7 Unit Availability Factor 80.3 81.7 87.7 87.7 Unit Capacity Factor (Using MDC) 74.6 79.6 86.3 82.7 Unit Capacity Factor (Design MWe) 73.4 78.9 Unit Forced Outage Rate 4.4 2.8 3.2 Forced Outage Hours 4927.8 121.5 252.9 121.5 Scheduled Outage Hours 21353.5 821.9 821.9 150.6 Equipment Forced Outages: 4 1 4

Equivalent Unit Derated Hot.rs* 256.83 74.1 Equivalent Seasonal Derated Hours

• 20.15 0.00 Equivalent Availability Factor

• 84.5 77.5 Equivalent Unit Derated Hours

• for Month: 15.5 Equivalent Seasonal Derated Hours

• for Month: 0.0 Equivalent Availability Factor

• for Month: 81.6 Equivalent Availability Factor

• for 36 months: 88.2 Year-to-Date Equivalent Availability Factor *: 81.6 Equipment Forced Outages per 1000 Critical Hours: 0.515 Equipment Forced Outages Year-to-Date: 1 Total Forced Outages Year-to-Date: 1

• Based on INPO Detailed Descriptions of Overall Performance Indicators and Other Indicators - December 1987

MONTH: JANUARY 1398

. HOUkSGENERATORONLINE: 744 UNIT AVAILABILITY FACTOR: 1001 j V. C. SUMMER, UNIT 1 i

MONTHLY OUTAGE REPORT FOR JANUARY 1998 OUTAGE ! START l END 1 HOURS ITYPEl REASON FOR OUTAGE I CORRECTIVI. ACTION NO. 1 TIME I TIME IDURATION!  !  !

-! ---!---- l t t t .-

1 1/2/98 1/7/98 121.5 F TECH SPEC SHUTDOWN REPAIR "A" DIESEL 8:15 14:13 DUE TO "A" DIESEL GENERATOR GENERATOR 4

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