ML20042G712

Monthly Operating Rept for Apr 1990 for Comanche Peak Steam Station,Unit 1.W/900510 Ltr

ML20042G712
Person / Time
Site:	Comanche Peak
Issue date:	04/30/1990
From:	Buschbaum D, William Cahill TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TXX-90179, NUDOCS 9005150326
Download: ML20042G712 (5)

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-- Log # TXX-90179

-77 File # 10010 l C C Ref. # 10CFR50.36- j tilELECTRIC  !

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g. May 10, 1990 3 . ' W. J. CeWil ,

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!. U. S. Nuclear Regulatory Commission y L Attn: Document Control Desk. >

[, .:Washington, D..C. 20555,  ;

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SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)

DOCKET NO. 50 445 i MONTHLY OPERATING REPORT FOR APRIL 1990 I

p Gentlemen:

l Attached is the Monthly Operating Report for April 1990 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.

• Sincerely, ,

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William J. Ca ill, Jr.

JLR/vid Attachment c - Mr. R. D. Martin, Region IV Resident Inspectors, CPSES (3)

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Attachment to TXX-90179

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• 1 COMANCHE PEAK STEAM ELECTRIC STATION, UNIT 1 NRC MONTHLY OPERATING REPORT DOCKETNO: 50 445 UNIT: CPSES1 DATE: May 7.1990 COMPLETED BY: D. E. Bunt hhaum TEl.EPHONE: s17 897 5851 CPERATING STATUS ,

1. Reporting Period: April 1990 Gross hours in reporting period: 152.5 (from Generator

.. Synchronization)

2. Currently authorized power level (MWt): 3.4.11 Max. depend. capacity (MW6 Net):113Z Design Electrical Rating (MWe Net): 115.0.

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

4. Reasons for restriction (if any):

THIS MONTH YRTO DATE CUMULATIVE

5. Number of hours reactor was critical 152.5 152.5 152.5 l

6. Reactor reserve shutdown hours 0 0 0

7. Hours generator on line 123.8 123.8 123.8

8. Unit reserve shutdown hours 0 0 0

9. Gross thermal energy generated (MWH) 127,134.8 127,134.8 127,134.8

10. Gross electrical energy generated (MWH) 14.840 14,840 14,840 t

11. Net electrical energy generated (MWH) 8951 8951 8951

12. Reactor Service factor N/A N/A N/A

13. Reactor availability factor N/A N/A N/A '

14. Unit service factor N/A N/A N/A

15. Unit availability factor N/A N/A N/A

16. Unit capacity factor (Using MDC) N/A N/A N/A

17. Unit capa:Jty facter (Using Design MWe) N/A N/A N/A

18. Unit forced outage rate N/A N/A N/A

.19. Shutdowns scheduled over next 6 months (Type, Date, and Duration of each):  ;

Planned Trips for Startup Phase Testing

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

21. Units in test status (prior to commercial operation): FORECAST ACHIEVED Initial Criticality 900403 900403 Initial Electricity 900501 900424 Commercial Operation 900721 1

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,l Attachment'toTXX-90170'

.Page,2 of* .,. 4- ,e 1

AVERAGE DAILY UNIT POWER LEVEL li fC.KETNO: 50-445 Ut.iT: CPSES 1 ,

DATE: May 7.1990 COMPLETED BY: D. E. Enehhaum -l TELEPHONE: 817 897 5851 _  ;

!: .i MONTH: APRIL 192Q I (AY' AVERAGE DAILY POWES LEVEL DAY AVERAGE DAILYPOWER LEVEL (MWe Net) (MWe Net) 1 0 .,, 17 .n 2 _0 18 0 3 _ o 19 0 4 0 20 0 5 0 21 _

o 6 -0 22 0 7 0 23 0 f 8 0 24 17 .

9 0 25 50 l 10. 0 26 53 1,

'11 0 27 69 l 0 28 0 l

l- .13 0 29 40 l

[ 14 0 30 187

15. 0 31 MA i

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g[gAttachmentt)TXX.90179

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SUMMARY

OF OPERATJNG EXPERIENCE FOR THE MONTH i

DOCKETNO: - 50-445 UNIT: 2SES1-  !

DATE: May 7.1900

• COMPLETED BY: D. E. Bunchhanm TELEPHONE: 817-897 5851 f

MONTH:~ APRIL 1990

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0000 Unit began month in MODE 3 at NOT and NOP performing initial Startup - l Testing. >

4/2 1742 Unit entered MODE 2 (Initial Criticality)-

4/11 1228 Unit entered MODE 3 for replacement of Power Range Detector Segment.

4/12 1726 Unit entered MODE 2.

L 4/19 0709 Unit entered MODE 1. I y  ;

4/21 1715 Reactor Trip on High Source Range Flux, Unit entered MODE 3. Trip due to .

k inadvertent unblocking of Source Range. Sensitive reset switch disturbed while cleaning control board. LER 90 009 to follow.  ;

,' 4/22 0607 Unit entered MODE 2. -

4/22' 1230 Unit entered MODE 1. ,

4/22 1248 Unit entered MODE 2 for initial Startup Testing (Steam Dumps).

L 4/22 2210 Unit entered MODE 1.

L.- 4/?3- 1607 Unit entered MODE 2 for Inlllal Startup Testing.

'4/23 2116 Unit entered MODE 1.

4/24 1530 Inltlal Generator Synchronization to grid, u ,

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4/30 2400 Unit ended month in MODE 1.

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. Attachment to TXX-90179 Page 4 of 3 UNIT SHUTDOWNS AND POWER REDUCTIONS DOGETNO- 50-445 UNIT: CPSES 1 DATE- May 7.1990 COMPLETED BY:D. E.Busdibaum TELEPHOE: 817-897-5851 REPORT MONTH APRIL 1990 IETHODOF TYPE SHUTDNG DOWN FR)RCED DURATION TEREACTOROR M DATE SSCHEDULED fHOURS) REA p IEI7JCNG POWER CORRECTIVEACDONSCOMENTS 900411 F 29.0 A 1 Power Range Detector replacement 900421 F 12.9 A 3 RX Trip, see previous page (LER 90-009 to follow)

1) REASON 2 )IETHOD A EQUIPMENTFAILURE(EXPLAIN) E. OPERATORTRAINING ANDUCENSEEXAMINATION 1: MANUAL B: MAINTORTEST F: ADMINISTRATIVE 2: MANUALSCRAM C: REFUEUNG G OPERATIONALERROR(EXPLAIN) 3: AUTOMATICSCRAM D: REGULATORYRESTRICTION H: OTHER (EXPLAIN) 4: OTHER(EXPLAIN) e e

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