ML20082T815

Monthly Operating Rept for Aug 1991 for Comanche Peak Steam Electric Station,Unit 1

ML20082T815
Person / Time
Site:	Comanche Peak
Issue date:	08/31/1991
From:	William Cahill, Thatcher G, Walker R TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TXX-91339, NUDOCS 9109190163
Download: ML20082T815 (5)

Text

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M Log # TXX-91339-

. C File # 10010.2 C C Ref. #-10CFR50.36 filELECTRIC l

September 13, 1991 l wimam J. CaWil Jr.

turw w ne hue Director. Office of Resource Management

-U _S._ Nuclear Regulatory Commission 1 Washington. DC-- 20555 l

-SUBJLur: >C0HANCHE PEAK STEAH ELECTRIC STATION (CPSES) -

UNIT 1 DOCKET NO. 50-445 HONTHLY OPERATING REPORT FOR AUGUST 1991 Gentlemen:

Attached.is the Monthly Operating Report for August 1991 prepared and submitted pursuant to Specification 6.9.1.5 of Appendix A (Technical Specifications) to the Comanche Peak Unit 1 Steam Electric Station Operating License. NPF 87. I Sincerely, ,

h $d* Jh.

William J.-Cahill Jr.

By-/ JGr8 7 h- '

Roger"D. Walker Manager of Nuctear Licensingi JLR/grp Attachment-c - Mr. R. D. Martin, Region IV-

=Hr. T. Riese Region IV Resident Inspectors, CPSES (2)-

Hr_. T. A. Bergman NRR=

Document Control -x Det.k M "

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-9109190163 91osat PDR= ADOCK 05000445 N- PDR 400 North Olive Street LB. 81 Dallas, Texas 75201

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, +' Attachment to TXX. 91339 Page 1 of 4

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COMANCHE PEAK STEAM ELECTRIC STATION, UNIT 1 NRC MONTHLY OPERATING REPORT ,

DOCKET NO- 50 445 UNIT: CPSES 1 DATE: September 11.1991 COMPLETED BY: Greg Thatcher TELEPHONE: 817-897 8223 OPERATING STATUS

1. Reporting Period: AUGUST 1991 Gross hours in reporting period: 2.ia

2. Currently authorized power level (MWI): lill Max, depend. capacity (MWe Net): 1.110

• Design Eiectrical Rating (MWe-Net): 1150

3. Power level to which restricted (if any) (MWe Net): 110ME

4. Reasons for restriction (if any):

THIS MONTH YRTO DATE CUMUt.ATIVE 744 4121.45 7047.85

5. Numteer of hours reactor was critical 0 1709.55 1982.45

6. Reactor reserve shutdown hours 744 4078.2 6943.9

7. Hours generator on line 0 0 0

8. Unit reserve shutdown hours 2,521,411 13.311,085 21,468,013

9. Gross thermal energy generated (MWH) 830,208 4,406,159 7,080.159

10. Gross electrical energy generated (MWH) 794,872 4,191,928 6,705,442

11. Net electrical energy generated (MWH)

12. Reactor Service factor 100 70.7 76.5

13. Reactor availability factor 100 100 98.1 100 69.9 75.4

14. Unit service factor Unit availability factor 100 69.9 75.4 15.

92.9 62.5 63.3

16. Unit capacity factor (Using MDC) 92.9 62.5 63.3

17. Unit capacity factor (Using Design MWe) 0 15.4 12.4

18. Unit forced outage rate

19. Shutdowns scheduled over next 6 months (Type, Date, and Duration of each): a) Refueling 911005 56 days.

20. If shutdown at end of report period, estimated date of startup:

21. Units in test status (prior to commercial operation): ACHIEVED Commercial Operation 900813 Estimated

J i

Attachment to TXX. 91339 Page 2 of 4 AVERAGE DAILY UNIT POWER LEVEL DOCKETNO: 50 445 UNIT: CPSES DATE: September 11,1991 COMPLETED BY: Greg Thatcher TELEPHONE: 817 897-8223 MON TH: 6UGUST 1991 DAY AVERAGE DAILY POWER LEVEL EMY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWo-Net) 1 1063 17 1076 2 1073 18 1075 3 1073 39 1073 4 1073 20 1074 5 t074 21 1075 6 1073 22 1074 7 1074 23 1065 8 1076 24 1029 9 1066 25 1073 10 988 26 1071 11 1068 27 1066 12 1075 28 1071

-13 1075 29 1074 14 1073 30 1074 15 1075 31 1075 16 1077

i 4

'l Ntachment to TXX. 91339 Page'3 of 4

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKETNO: 50-445 UNIT: CPSES 1 DATE: September 11.1991 COMPLETED BY: Greg Thatcher TELEPHONE: 817 897-8223 MONTH: AUGUST 1991 8/1 0000 Unit started month in MODE 1.

8/31 2400 Unit ended month in MODE 1.

Attachment to TXX- 91339' .. ',1

. Page 4 of 4 ,

-UNIT SHUTDOWNS AND POWER REDUCTIONS .

DOCKETrn 50-445 UNIT: CPSES 1 DATE- Septemtier11,1991 COMPLETED BY: Greg Thatcher AEPORT MONTH AUGUST 1991 - .i t

METHODOF TYPE SHUTTING DCAVN  !

Ff0RCED DURATION THEREACTOROR N1 MIE SSCRDULED fHOURS) RASON REDUCNGPOWEH CORRECTIVEACTIONSCOr#AENTS i

,.I t

1) NASON 2) METHOD A- EQUIPMENT FAILURE (EXPLAIN) E OPERATOR TRAINING AND UCENSE EXAMINATION 1: MANUAL ,

B: MAINT OR TEST F: ADMINISTRATIVE 2: MANUALSCRAM  !

C: REFUEUNG G OPERATIONALERROR(EXPLAIN) 3: AUTOMAllCSCRAM

'D: REGU.'.ATORY RESTRICTION H: OTHER (EXPLAIN) 4: OTHER (EXPi.A.N) e

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