ML20059A877

Monthly Operating Rept for Comanche Peak Steam Electric Station for Jul 1990

ML20059A877
Person / Time
Site:	Comanche Peak
Issue date:	07/31/1990
From:	Buschbaum D, Woodlan D TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TXX-90289, NUDOCS 9008240080
Download: ML20059A877 (5)

Text

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FE Log # TXX 90289 File'# 10010 l

Ref. #:10CFR50.36

.1ilELECTRIC.

August: 15. 1990 William J. Cahill. Jr.

Executive Ykr PresMent -

U. S. Nuclear Regulatory Commission Attn:

Document Control Desk Washington, DC 20555

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)-

DOCKET NO. 50-445 MONTHLY OPERATING REPORT FOR JULY 1990 Gentlemen:

[

Attached is the Monthly Operating Report.for July 1990 prep 6 red and submitted-pursuant to Specification 6.9.1.5 of Appendix A (Technical Specifications) to-j the Comanche Peak Unit 1 Steam Electric Station Operating ~ License.

Sincerely.

William J. Cahill

-Jr.

By:

D. R. Woodlan

- Docket Licensing Manager JLR/cid Attachment c - Mr. R.'O.

Martin,. Region IV Resident Inspectors. CPSES (3)

Mr. J. H. Wilson, NRR s

t 9008240000 900815

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00026 400 North Olive Street LB. 81 Dallas. Texas 7520l l }-

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Att5chmdat 13 TXX 90289 Pa~ge 1 of 4

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

50-M 5 UNIT:-

CPSES 1 DATE:

Aucunt 9.1990 L

COMPLETED BY:

D. E. Bnenhhaum TELEPHONE:

817-897 5851 OPERATING STATUS 1.

Reporting Period: July 1990 Gross hours in reporting period: Zd4 2.-

Currently authorized power level (MWt): 3.411 Max. depend, capacity (MWe-Net)':113I Design Electrical Rating (MWe Net): 111Q 3.

Power level to which restricted (if any) (MWe-Net): bl.QIut 4.

Reasons for restriction (if any):

THIS MONTH YRTO DATE - CUMULATIVE 5.

Number of hours reactor was critical 609.5 17'76.0' 1776.3 6.'

Reactor reserve shutdown hours 134.5 475.8 475.8 3

7.

Hours generator on line 609.5-1535.8 15'35.8 8.

Unit reserve shutdown hours 0

0' 0

9.

Gross thermal energy generated (MWH) 1,388,199 3,082,179 3,082,179

10. Grose electrical energy generated (MWH) 550,4.14 919,332 919,332

.(

11. Net electrical energy generated (MWH) 518,312 821,661 821,661

12. Reactor Service factor N/A

-N/A N/A-

13. Reactor avel: ability 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 l

16. Unit capacity factor (Using MDC)

N/A N/A N/A

17. Unit capacity factor (Using Design MWe)

N/A N/A.

N/A I

18. Unit forced outage rate '

N/A N/A-N/A-

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

20. If shutdown at end of report period, estimated date of startup: 900807

21. Units in test status (prior to commercial operation):

FORECAST ACHIEVED Initial Criticality 900403 900403 Initial Electricity 900501 900424 Commercial Operation 900721 I

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Attaghmdnt 13 TXX 90289 Pdge 2 of 4

')

AVERAGE DAILY UNIT. POWER LEVEL

)

DOCKETNO:-

50-44s UNIT:

CPSES1 DATE:

Aucunt9.1990 COMPLETED BY:

D. E. Buehhaum TEEPHONE:

817-897 5f 51 MONTH: ell.Y 119.Q

. DAY AVERAGE DAILY POWER EVEL '

DAY AVERAGE DAILYPOWER WVEL

-(MWe Net).-

(MWe Net) 1 585 17 988 2

587 18 1101-3 589=

19 1102 4

589 20 1103 l

5 754 21 1105 6

788 22-1104 1

7 501 23 1077 l

8 425 24 637 9

698 25 853 10 797 26 408 11-811 27 0

12 960 28 0

13 1072

-29 0-14 1089 30-0 15 10B8 31 0

16 934

Attaphment' to TXX 90289 Page 3 of 4

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKETNO:

50-445 UNIT:'

CPSES 1 i

DATE:

Atmust 9.1990

'(

COMPLETED BY:

D. E. Bnenhhnnm ~

TELEPHONE:

817-897 5851 MONTH: JULY 1990 7/1 0000 Ur!t started month in MODE 1 performing Initial Startup Testing.

1 7/13 0619 Unit achieved 100% Reactor Power for first time.

7/26 0929 100% Loss of Load Test initiated reactor trip. Unit entered MODE 3. ' Started 1

planned outage to replace bellows on Containment Pressure instrument 1 PT-934.' Walver of Compliance to perform replacement in MODE 3 obtained.

1036 Flux Doubling actuation due to spike on Source Range Neutron Flux Channel j

N32. Charging pump suction shifted to RWST. LER 90 019 to follow, q

1416 Unit experienced Safety injection on Low bisam Line Pressure when two Main Steam isolation Valves inadvertently opened due to improperly sequenced

- tagout/ removal from service of the valve. LER.90-020 to follow.

7/30 2157 Unit experienced Safety injection on Low Steam Line Pressure when Atmospheric Relieve Valve rapidly opened. Relief valve did not initially -

respond to operator's attempt to open for RCS Temperature Control, then valved stepped open. LER 90-021 to follow.

'7/31 2013 Unit entered MODE 4 cooling down to MODE 5 to review Safety injection events.

2400 Unit ended month cooling down in MODE 4.

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UNIT SHUTDOWNS AND POWER REDUCTIONS 2

1 DOCKETNCt 50-445 5$@@

UNIT:

CPRFR 1

^

DATE-

-A m mt9.1990

-.'M#) '

COMPLETED BY:1). E. nN Q h' N

8i7-897-5851 I

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REPORT MONTH JULY 1990

%+ -

METHODOF SHUTTINGDOWN T"PE TEREACTOROR F: FORCED DURATION E

DG SfsCEDUl_ED (HOURS)

_REASCN

_REDUCNGPOWER

_CO:f:-GuVE ACTIONSCONWENTS 006 900707 S

0 B-4 50% load rejection test from 75%

Power Plateau 50% load rejection test from 100%

007 900724 S

0 B

4-Power Plateau

.100% Loss of Load Test resulted in.

008 900726 S

134.5 B

3

. pre-planned) automatic scram. See

(

previous page.

2 ) METHOD

.1: MANUAL 1)

REASON E. OPERATORTRAINING APOUCENSEEXAMNATION A-EQUIPMENT FAILURE (EXPLAIN)

~ 2: MANUALSCRAM F: ADMINISTRATIVE 3: AUTOMATICSCRAM -

B: MAINTORTEST

-G OPERATIONALERROR(EXPLAIN) 4: OTHER (EXPLAIN)

C REFUEUNG H: OTHER (EXPLAIN)

TGULATORYRESTRICTION D:

i

..