ML20072S557

Monthly Operating Rept for Mar 1991 for VC Summer Nuclear Station

ML20072S557
Person / Time
Site:	Summer
Issue date:	03/31/1991
From:	Haltiwanger J, Skolds J SOUTH CAROLINA ELECTRIC & GAS CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9104160339
Download: ML20072S557 (7)

Text

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• SCE&G Apg 1 l;99l Document Control Desk U. S. Nuclear Regulatory Commission Washington DC 20555 Attention:

Director Office of Resource Management Gentlemen:

Subject:

VIRGIL C. SUMMER NUCLEAR STATION DOCKET NO. 50/395 OPERATING LICENSE NO. NPF-12 MARCH MONTHLY OPERATING REPORT Enclosed is the March 1991 Monthly Operating Report for the Virgil C. Summer Nuclear Station Unit No. 1.

This submittal is made in accordance with the requirements of Technical Specifications, Section 6.9.1.10.

Also enclosed are copies of the revised Attachment !!! for the months of January and February 1991 which reflect a continued power reduction from 1990.

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

Very truly yours-b John L. Skolds DCH:JWH:JLS: led Attachments c:

0. W..Dixon Jr.

J. W. Flitter R. R. Mahan F. Yost R. J. White INP0 Records Center S. D. Ebneter ANI Library G. F. Wunder Marsh & McLennan General Managers NSRC G. G. Soult RTS (MON 2000)

HRC Resident inspector file (818.03-1)

J. B. Knotts Jr.

9104160339 910331 PDR ADOCK 05000395 R

PDR 1 0 0 =f f,, tj l I NUCLEAR EXCELLENCE - A SUMMER TRADITION!

l Director. Office of Resource Management March Monthly Operating Report Page 1 ATTAR.HMENT 1 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50/395 UNIT V. C. SUMMER I DATE 04/01/91 COMPLETED BY

.1 W. HALTIWANGER TELEPHONE (303) 345-4297 MARCH 1991 DAY AVERAGE DA!LY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1.

886 17.

502 2.

886 18.

503 3.

885 19.

503 4.

884 20.

503 5.

885 Pl.

502 6.

885 22.

502 7.

884 23.

501 8.

737 24 565 9.

499 25.

824 10.

501 26.

881 11.

500 27.

881 12.

501 28.

881 13.

501 29.

879 14.

502 30.

880 15.

502 31.

880 16.

503

____.___._m_

Director Office of Resource Management March Monthly Operating Report Page 2 ATTACHMENT 11 OPERATING DATA REPORT DOCKET NO.

50/395 UNIT V. C. SUMMER I DATE 04/01/91 COMPLETED BY J. W. HALTlWANGER TELEPHONE (803)3454297 OPERATING STATUS

1. Reporting Period:

March 1991 Gross Hours in Reporting Period:

744

2. Currently Authorized Power Level (MWt):

2775 Max. Depend. Capacity (MWe. Net):

885 Design Electrical kating (MWe-Net):

900

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 744.0 2160.0 49519.1

6. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

7. Hours Generator on Line 744.0 2160.0 48582.0

8. Unit Reserve Shutdown Hours 0.0 0.0 0.0

9. Gross Thermal Energy Generated (MWH) 1620472 4557685 126229165

10. Gross Electrical Energy (MWH) 534110 1506850 41763709

11. Net Electrical Energy _ Generated (MWH) 507108 1428332 39635163

12. Reactor Service factor 100.0 100.0 77.9

'13. Reactor Availability factor 100.0 100.0 77.9

14. Unit Service factor 100.0 100.0 76.5

15. Unit Availability factor 100.0 100.0 76.5

16. Unit Capacity factor (Using MDC) 77.0 74.7 70.5

17. Unit Capacity factor (Design MWe) 75.7-73.5 69.3

18. Unit Forced Outage Rate 0.0 0.0 7.3

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

The Sixth Refueling Outage is currently scheduled for 60 days, beginning i

in September 1991.

20. If Shut Down~at End cf Report Period, Estimated Date of Startup:

N/A

21. Units in Test Status (Prior to Commercial Operation):

N/A 1

l

.o Director. Office of Resource Management March Monthly Operating Report Page 3 ATTACHMENT 111 UNIT $HUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50/395 UHli V. C. SUMMER 1 DATE 04/01/91 COMPLETED BY J. W. HALTlWANGER TELEPHONE (803) 345-4297 MARCH 1991 NO.

DATE TYPE DURATION REASON METHOD CORRECTIVE ACTION / COMMENTS 1 910308 0.0 f

5 POWER RE0VCTION TO CONSERVE FUEL 10 RE A50N A; [quipment Iailure B: Maintenance or it st C: Refvehng D: Regulatory Restriction

(: Operotor 1r ain:ng and t genu i aamination F: Admarustratin -

G: Operational E rror H: Other (E mplairi) 2 0 METHOD 1: Manuel 2: Manual $(ram 3: Automatic Scram 4: Continuation (Use initia! Date) 5: Power Reduction (Duration 0 0) 9 Othet(uplain) l

~ - - - - - - _ -

t

,e t

A Director, Office of. Resource Management March Monthly Operating Report Page 4-ATTACHMENT IV

' NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO.

50/395 UNIT V. C. SUMMER I DATE 04/01/91 COMPLETED BY J. W. HALTIWANGER TELEPHONE (803) 345-4297 l

MARCH 1991 Virgil C._ Summer Nuclear Station operated at approximately 99 percent power for the first 7 days of March.

On March 8, 1991, power was reduced to approximately 60 percent power to conserve fuel.

On March 24 and 25, power was increased to approximately 99 percent and remained there for the durttion of March.

L-l L

t I

-Director, Office of Resource Management January Monthly Operating Report

'Page 3 1

ATTACHMENT III UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50/395 UNIT V. C. SUMMER I DATE 02/01/91 COMPLETED BY J. W. HALTIWANGER TELEPHONE (803)345-4297 JANUARY 1991 NO. DATE TYPE DURATION REASON METHOD CORRECTIVE ACTION / COMMENTS 4*

901218 S

0.0 F

4 POWER REDUCTION TO CONSERVE FUEL 4

1.0 RE ASON A: Equipment f ailure B: Maintenance or Test

- C: Refuehng.

D: Regulatory Restriction E; Operator Training and License E mamination F: Administrative G: Operational E rror

[-

H: Other (Explain) 2 0 METHOD 1: *4anual 2: Manual Scram 3: Automatic Scram 4; Continua tion (Use initial Date)

$: Power Reduction (Duration 0 0) 9 Other(Explain) l Continued Power Reduction From 1990

.1 Director Office of Resource Management-February Monthly Operating Report Page 3 ATTACHMENT 111 UNIT SHUT 00WNS AND POWER REDUCTIONS DOCKET NO.

50/395 UNIT V. C. SUMMER 1 DATE 03/04/91 COMPLETED BY J. W. HALTlWANGER TELEPHONE (803) 345-4297 FEBRUARY 1991 NO. DATE TYPE DURATION REASON METHOD CORRECTIVE ACTION / COMMENTS 4

POWER REDUCTION TO CONSERVE FUEL 4*

901218 S

0.0 F

10 RE ASON A. E quipment F ailure B; Maintenance or Test C: Ref uehng 0 Regulatory RestrKtion E: Operator Training and License Examination F: Administrative G. Operational Error H; Other (E xplair4) 2 0 METHOD 1: Manual 2: Manoal $ cram 3: Automate ( Scram 4: Continuation (Use initial Date) 5; Power Reduction (Duration 0 0)

9. Other (E m plain)

• Continued Power Reduction from 1990

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