ML20059J109

Monthly Operating Rept for Aug 1990 for Comanche Peak Steam Electric Station Unit 1

ML20059J109
Person / Time
Site:	Comanche Peak
Issue date:	08/31/1990
From:	Buschbaum D, William Cahill TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TXX-90323, NUDOCS 9009190171
Download: ML20059J109 (6)

Text

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1 Log ~ #lTXX-90323 1 = File # 10010 C C- Ref. #~10CFR50.36 l

.7 filELECTRIC.

. September 14, 1990 wmi.. J. c.hin, Jr. 1 tieruth, ivr hmknr l

U. S Nuclear Regulatory Commission- 1 Attn: Document Control-Desk Washington, DC 20555 .l

SUBJECT:

. COMANCHE PEAK. STEAM ELECTRIC STATION.(CPSES)

DOCKET NO. 50-445 1 MONTHLY OPERATING REPORT'FOR AUGUST 1990,

. Gentlemen:

Attached is the Monthly Operating Report for August 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, r

William J. Cahill Jr. I By:

D. R. Woodlan ..

Docket LicensingLManager

.JLR/cid l

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

Mr. J. H. Wilson, NRR d'

9009190171 900831 PDR ADOCK 05000445 R PDC l

400 North Olive Street L B. 81 Dallas, Texas 75201

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Altschment to TXX 90323 1 Paoe 1 of 5:

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i COMANCHE PEAK STEAM ELECTRIC STATION, UNIT 1

- NRC MONTHLY OPERATING REPORT -

DOCKETNO: - 50 445 UNIT: CPSES1- t DATE: Rantember 10.1990 f COMPLETED BY: D. E. Amenhhanm TELEPHOME: 817 897 5851 OPERATING STATUS

1. Reporting Period: Auaust 1990* Gross hours in reporting period: 231 (prior to Commercial Operation) q

- 2. Currently authorized power level (MWt): 14.11 Max._ depend. capacity (MWe Net): .1QZ Design Electrical Rating (MWe Net): 1110

3. Power level to which restricted (if any) (MWo. Net): Nmut

4. Reasons for restriction (if any): t THIS MONTH - YRTO DATE CUMULATIVE.

5. Number of hours reactor v'as critical 117. 1893.3- 1893.3'

6. Reactor reserve shutdown hours .179 654.3- 654.3

7. Hours generator.on line 90.3- 1626.1 1626.1

8. Unit reservo shutdown hours 0 0 0 ,

g 9. Gross thermal energy generated (MWH) 197,292 3,279,471 3,279,471

'10. Gross electrical energy generated (MWH) 70,455 989,787 989,787-

11. Net electrical energy generated (MWH) 59,602 881,263 881,263

12. Reactor Service factor N/A N/A N/A 4

-i

13. Roactor 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 capacity factor (Using Design MWe) N/A.~ N/A N/A' p

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

19. Shutdowns scheduled over next 6 months (Type, Date, and Duration of each): None.

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

21. Units In test status (prior to commercial operation): FORECAST ' ACHIEVED l Initial Criticality 900403 900403 '

Inlllal Electricity 900501 900424 Commercial Operation 900721 900813 Pre Commercial Operation Period

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' Attachment to TXX 90323 L 1Page 2 of 5 1 COMANCHE PEAK STEAM ELECTRIC STATION, UNIT 1  ;

NRC MONTHLY OPERATING REPORT  !

DOCKETPC.- 50-445  ;

UNIT: CPSES 1 DATE: ' Rantamhar 10 19.90

• COMPLETED BY: D. E. RMhanm TElf.PHOPE: - 817-897-5851 OPERATING STATUS

1. Reporting Period: Auaunt 1990* Gross hours in reporting period: A.41 (Commercial) 2.' Currently authorized power level (MWt): 3A11 Max. depend. capacity (MWe Net): 1137. Design i Electrical Rating (MWe-Net): 1.150 3.- Power level to which restricted (if any) (MWe-Net): Ham.a '

4. Reasons for restriction (if any):

THIS MONTH YRTODATE ~ CUMULATIVE-

5. - Number sf hours reactor was critical 411 411 411

6. Rer.ctor reserve shutdown hours 37.0 37.0 :37.0

-7. Hours generator on line '404 .

404 '404

8. 'Jnit reserve shutdown hours 0 0 0.

[

9. Gross thermal energy generated (MWH) 1,318,010 1,318,010 1 318,010

10. Gross electrical energy generated (MWH) '424,8761 424,876 424,876 '

11. Net electrical energy generated (MWH) 403,640 403,640 403,640

12. - Reactor Service factor . 91.7 91.7 ' 91 7 -'

13. Reactor availability factor 100.0 100.0 100.0

14. Unit service factor . 90.2 90.2 90.2

15. Unit availability factor 90.2- 90.2 90.2 l 16. Unit capacity factor (Using MDC) 79.2 79.21 79.2'

17. Unit capacity factor (Using Design MWe) 78.3 78.3 78.3

18. Unit forced outage rate 9.8 9.8 9.8

19. Shutdowns scheduled over next 6 months (Type, Date, and Duration of each): None p 20. If shutdown at end of report period, estimated date of startup: ,

l 21. Units in test status (prior to commercial operation): FORECAST ACHEVED l - Initial Criticality - 900403 900403 L

Initial Electricity 900501 900424 Commercial Operation 900721 '900813-

• Commercial Operation Period i

. ~ Attachment to TXX 90323

Pa0e 3 of 6 ,

. AVERAGE DAILY.JNIT POWER' LEVEL-DOCKETto: 50-445 UNIT: CPSES1 DATE: September 10.1990 ,

COMPLETED BY:- D. E. nnerhhaum - -'

TELEPHONE:- a17.an7.Enti -

MONTH: AUGUST 1990 DAY AVERAGE DAILY POWER LEVEL -DAY- AVERAGE DAILY POWER LEVEL 1

'(MWe Net) -(MWe Net) s 1 0 17' 728 2 0 18 987 _.  ;

=3- 0 19 ines 1

4 0 20 1094-t 5 0 21- 1094

6. 0 22 '1091 7 0 23 1091 8 0 24. 1088 9 7 25 0 10 676 26 0 11 836 27 644 l.

L- 12 849 28 1087'

.1 3 1091 .29 893 l i

14 1096 30- 925

'15 1099 31. 1069 16- 1092 l

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- Attachment to TXX-90323 Page 4 of 5.

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH- l DOCKETNO: 50-445 UNIT: CPSES 1  !

~'

DATE: SgD19tDbSL13J.2fLO COMPLETED BY: D. E. Innenhhanm

- TEl.EPHONE: 817-se7 5851 7 MONTH: AUGUST 1990 l 8/1 0000 Unit started month cooling down in MODE 4 following inadvertent Si events.

0236 - Unit entered MODE 5.

s 8/6 0444 Unit entered MODE 4.

1738 Unit entered MODE 3. i 8/7 0732 Unit entered MODE 2. t

. t 8/8- 0037 Unit entered MODE 1.

0508 Rx Trip, Unit entered MODE 3. Trip due to loss of feedwater flow to SG #4 and subsequent Lo Lo Level. (See LER 90-023). Restart delayed due to' seizure of Safety Chill Water Pump just prior to trip.  !

8/9. 0650 Chill Water Pump OPERABILITY restored.

?

0836 Unit entered MODE 2. I 1038 Unit entered MODE 1. ,

8/13 0800 Unit placed into Commercial Operation.

8/25 0038 - Rx Trip, Unit entered MODE 3. . Trip due to Hi SG #2 Level when Feed Reg < .

Valve stuck open. (See LER 90 025).

8/26 1337 Unit entered MODE 2. -

1652 Unit entered MODE 1.

8/31 2400 Unit e'nded month in MODE 1.

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Attachm:nt to TXX-90323 .. .-

Page 5 of 5 ..

UNIT SHUTDOWNS AND POWER REDUCTIONS -

DOCHETNO- 50-445

~ UNIT: CPSES 1 DATE: Sentember 10.1990 COMPLETED BY: D. E. Ek=hm .

TELEPHOE: 817-897-5851

. REPORT MONTH AUGUST 1990 METHODOF TYPE SHUTTINGDOWN FR)RCED DURATION - TEEACTOROR -

E DATE SSCEDULED (HOURS) EASCN REDUCNG POWER COFRECTIVEACTIONSCOMENTS r 009 900801 ~F ~ 172.5 F 4 Continuation of shutdown started

900726. Extended scheduled shutdown to review inadvertent SI '!

events.

4 010 900808 F .33.3 A 3 . Reactor trip on Lo-to SG Level due to' '

failed shut feedwater valve. See :

previous page.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -- - - - - - - C O M M E R C I A L OPERATION------------------------------------

.011 900816 F 0 A- -4 Bearing Failure on Heater. Drain Pump. Power reduction for 29.6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> to replace.

012 900825 F 44.0 A 3 Reactor Trip on Hi-SG Level when

feedwater Regulating Valve stuck

open. See previous page.

1) NASCN .

' 2 )IETHOD A EQUIPMENT FAILURE (EXPLAIN) ~

E OPERATORTRANNG ANDUCENSEEXAMINATION. 1: MANUAL '

+

B: MAINTORTEST F- ADMINISTRATIVE -2: NMNUALSCRAM C REFUEUNG ~ G OPERATIONALERROR(EXPLAIN) 3: AUTOMATICSCRAM -

D: REGULATORYRESTRICTION . H: OTHER (EXPLAIN) 4: OTHER (EXPLAlff. -

': _ ._ _ ._ , ._ _ _