ML20066G634

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

ML20066G634
Person / Time
Site:	Comanche Peak
Issue date:	01/31/1991
From:	Buschbaum D, William Cahill, Woodlan D TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TXX-91067, NUDOCS 9102190213
Download: ML20066G634 (5)

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Log # TXX 91067 File # 10010.2 Ref. # 10CFR50.36 1UELECTRIC Fek uary 15, 1991 wmiam J. cahm. Jr.

Execunw Vke hmirris V. S. Nuclear Regulatory Commission ^

Attn: Document Control Desk Washington, DC 20555

$UBJECT: C0HANCHE PEAK STEAM ELECTRIC STATION (CPSES)

DOCKET NO. 50-445 HONTHLY OPERATING REPORT FOR JANUARY 1991 Gentlemen:

Attached is the Monthly Operating Report for January 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, HPF-87.

Sincerely, William J. Cahill, Jr.

By:

D. R. Woodlan Docket Licensing Manager JLR/grp Attachment c - Mr. R. D. Hartin, Region IV Resident Inspectors, CPSES (3)

Mr. J. W Clifford, NRR 9102190213 910131 PDR ADOCK 0500 5 400 North Olive Street L.ll. 81 Dallas, Texu 75201

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Attachment to TXX 91067_  ;

Page 1 of 4 . . .

COMANCHE PEAK STEAM' ELECTRIC STATION, UNIT 1 '

NRC MONTHLY OPERATING REPORT DOCKETNO: 50 445 UNIT: CPSES 1 DATE: Februarv 8.1991 COMPLETED BY: D. E. Buschbaum TELEPHONE: 817 897-5851 OPERATING STATUS -

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( 1 '. - Reporting Period:' JANUARY 1991 Gross hours in reporting period: 744

2. Currently authorized power level (MWt): 3111. Max. depend. capacity (MWe-Net): 11M* Design Electrical Rating (MWe Net): .11E

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

'4. Reasons for restriction (if any):

THIS MONTH YRTO DATE CUMULATIVE 5.. Number of hours reactor was critical 710.5 710.5 3636.9-

-6i Reactor reserve shutdown hours 33.5 33.5 306.4

.7. L Hours generator on line 702.5 702.5 3568.2

!.8, - Unit reserve shutdown hours 0 0 0

.9. Gross thermal energy generated (MWH) 2,259,446 2,259,446 10,416,374

10. Gross electrical energy generated (MWH) 762,318 762,318 3,427,318

11. Net = electrical energy generated (MWH) 728,251 728,251 3,241.765

' 12. Reactor Service factor ~ 95.5 95.5 88.3 .

.1 3 .- Reactor availability factor .100 100 95.7

14. ' Unit. service factor 94.41 94.4 86.0 15'.' ' Unit availability > f actor 94.4 94.4 86.6 L16! Unit capacity factor (Using MDC) 85.2 85.2 68.4

17. .-Unit capacity factor (Using Design MWe) 85.2 85.2 68.4

18. Unit forced outage rate- 5.6 5.6 7.4

19. -Shutdowns' scheduled over next 6 months (Type, Date, and Duration of each):' a) Maintenance /

t Surveillance, 910413,' 6 weeks. .

~20<'If shutdown at end of report period estimated date of startup:

=21. , Units in test status (prior to commercial operation): FORECAST ACHIEVED Initlai Criticality 900403 900403 initial' Eleciricity 900501 900424 Commercial Operation 900721 900813 l-

_ Estimated

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' Attachm?nt to TXX 91067_-

- Page 2 of 4. .

AVERAGE DAILY UNIT POWER LEVEL -h DOCKETNO: 50 445-UNIT: CPSES 1 DATE: February 8.1991 COMPLETED BY: D. E. Buschbaum TELEPHONE: 817-897-5851-MONTH. JANUARY 1991 DAY - AVERAGE DAILY POWER LEVEL. DAY - AVERAGE DAILY POWER LEVEL-(MWe Net) -(MWe Net)

!1 _. 1063 17 1065 2- 1063 18 1053 3<- 1061 19 1061

_ 4 ' 1061 20 -1060 t51 -1060- 21 1060- 1

!6: 1R' 22 1060

' 7-1060 23 720 E8- 1062 24 0

9_) 1061 25 205-10'- 1067' 26 879 11 1 1066 27 1062 z12 1018 -28~ 1357-

~ 13 -- 1066- 29 1053 E14: 1061 30 1048-

.15 ~ 1060 31 1050 16' 1063

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Attachment to TXX 91067 -

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SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH' t

.]: DOCKETNO: 50-445' UNIT: - CPSES 1 DATE: Februarv 8,1991 COMPLETED BY: D. E. Buschbaum [

TELEPHONE: B17 897 5851

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- MONTH': JANUARY 1991 J-1/1l 0000 Unit started month in MODE 1.  ;

1/23 1636- - Reactor Trip, Unit entered. MODE 3.

Reactor tripped on Turbine Trip due to low primary _ water pressure to main generator. _,

3 D25' 0206 . Unit' entered MODE 2.  ;

0340 Unit Ontered MODE 1.

11/31 2400- ~. Unit ended month in MODE 1. ,

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Attachment to TXX-91067. ..c ,.

Page 4 of 4 L UNIT SHUTDOWNS' AND POWER REDUCTIONS ...

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DOCKETNO - 50-445 ,.

- UNIT: . CP_SES1 February 8.1991'

. DATE:

COMPLETED BY: D. E. Buscitaum TELEPHOfE: 817-897-5851:

,  : REPORT MONTH JANUARY 1991-AETHODOF -

TYPE SHUTTNG DOWN .

. F. 6 DURATION TFEREACTOROR M DATE SSCHEDUED (HOURS) FEATN REDUCNG POWER CORREunVE/CTIONSCOfAENTS 001 900123' F. 41.5 ~A 3 . Reactor Trip on Turbine Trip. .See previous page. IIR 91-002 to follow.

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1} REASCN 2 ) METHOD A : EQUIPMENT FAILURE (EXPLAIN) E OPERATOR TRANING AND UCEPGE EXAMINATION 1: MANUAL .j B: MAINTOR TEST F: ADMINISTRATIVE 2i MANUALSCRAM C-REFUEUNG G OPERATIONALERROR(EXPLAIN) 3: AUTOMATICSCRAM l

. D: REGlA.ATORYRESTRCTION H: OTHER(EXPLAIN)' 4: OTHER (EXPLAIN) -

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