ML20045B451

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Monthly Operating Repts for May 1993 for Cpses,Units 1 & 2. W/930614 Ltr
ML20045B451
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 05/31/1993
From: William Cahill, Julie Hughes
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TXX-93241, NUDOCS 9306170381
Download: ML20045B451 (10)
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EM Log # TXX-93241

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File # 10010.2  !

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Ref. # 10CFR50.36 l TUELECTRIC i June 14, 1993  ;

William J. Cahm. Jr.

Grewp Yire President U. S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES) - UNITS 1 & 2 DOCKET N0s. 50-445 and 50-446 MONTHLY OPERATING REPORT FOR MAY 1993 .

Gentlemen:

Appendix A to the Comanche Peak Steam Electric Station Units 1 &- 2 Operating License Nos. NPF-87 and NPF-89.

Sincerely.

William J. Cahill, Jr.

RC/rc +

Attachment c - Mr. J. L. Milhoan, Region IV Mr. T. Reis, Region IV Resident Inspectors, CPSES (2)

Mr. T. A., Bergman, HRR l

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. onol i 9306170381 930531 Y 4 N. Olive Street LB.81 Dallas. Texas 75201

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Att; chm:nt to TXX 93241 Page 1 of 9 COM ANCHE PEAK STEAM ELECTRIC STATION, UNIT 1 NRC MONTHLY OPERATING REPORT DOCKETNO: 50445 UNIT: CPSES 1 DATE: June 11,1993 COMPLETED BY: Janet Hughes TELEPHONE: 817-8974331 -

OPERATING STATUS

1. Reporting Period: MAY 1993 Gross hours in reporting period: Z41
2. Currently authorized power level (MWt): Sill Max. depend. capacity (MWe-Net): 1150
  • Design Electrical Rating (MWe-Net): 1150
3. Power level to which restricted (if any) (MWe-Net): NONE
4. Reasons for restriction (if any):

THIS MONTH YRTODATE CUMULATIVE 4 744 3,583.4 19,102 Number of hours reactor was critical 6.

0 0 2.258.6 Reactor reserve shutdown hours 744 3,5673 18,726.3

7. Hours generator on line 0 0 0
8. Unit reserve shutdown hours 2,493,8232 11,475,451 2 58,771 2 2
9. Gross thermal energy generated (MWH) 838,023 3,854,184 19,489,349
10. Gross electrical energy generated (MWH) 802,475 3,687,917 18,530,293
11. Net electrical energy generated (MWH)
12. Reactor Service factor 100.0 98.9 77.8
13. . Reactor availability factor 100.0 . 98.9 87.0
14. Unit service factor 100.0 985 76.3
15. Unit availability factor 100.0 98 5 76.3
16. . Unit capacity factor (Using MDC) 93 3 88.5 65 7 93 8 88 5 65.7
17. Unit capacity factor (Using Design MWe)
18. Unit forced outage rate 0 15 6.7
19. Shutdowns scheduled over next 6 months (Type, Date, and Duration of each): Refueling Outage Number .

. ]

3 is scheduled to begin October 8,1993, with a duration of 52 days. )

20. If shutdown at end of reprt period, estimated date of startup:
21. Units in test status (prior to commercial operation): ACHIEVED l Commercial Operation 900813 Estimated I 1

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Attachment to TXX.93241 Page 2 of 9 AVERAGE DAILY UNIT POWER LEVEL DOCKETNO: N UNIT: CPSES 1 DATE: June 11,1993 COMPLETED BY: Janet Hughes TELEPHONE. 817 5 7-5331 MONTH: MAY 1993 DAY AVERAGE DA!LY POYER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 920 1100 1 17 2 1100 18 1098 3 1102 1095 19 4 1101 1096 20 5 1101 1098 21 6 1100 1097 22 7 1098 1096 23 8 1097 24 1099

, 9 1096 25 1102 10 1098 26 1093 11 1097 27 1097 12 1096 28 1096 13 1100 29 904 14 1089 30 1095 15 867 31 1W 16 1096

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'Attachm:nt to TXX-93241  ;

'Page 3 of 9 ' .)

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKETNO: 5W  ;

UNIT: CPSES 1 DATE: June 11,1993

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COMPLETEDBY: Janet Hughes ,

TELEPHONE: 817-897-5331 MONTH: MAY 1993 c 0501 0000 Unit started month in MODE 1 with a power reduction in progress from 100 ' percent of rated I

thermal power in preparation for surveillance testing.  ;

0501 2400 Unit ended month in MODE 1.

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Attachment to TXX. 93241 .-

Page 4 of 9 UNIT SHUTDOWNS AND POWER REDUCTIONS >

DOCKETNO: M UNIT: CPSES 1 ,

DATE: June 11,1993 COMPLETED BY: Janet Hughes REPORT MONTH MAY 1993 METHODOF TtPE SHUTTING DOWN Ff0RCED DURATION THEREACTOROR NQ. D8IE SfiCHEDULED (HOURS) REASON REDUCING POWER CORRECTIVEACTIONSCOMMENTS

1) FEASON 2) METHOD A: EQUIPMENT FAILURE (EXPLAIN) E OPERATOR TRANNG AND UCENSE EXAMINATION 1: MANUAL B: MAINTORTEST F: ADMNSTRATIVE 2:' MANUAL SCRAM '

C: FEFUEUNG G: OPERATIONALERROR(EXPLAIN) 3: AUTOMATIC SCRAM D: EGULATORYRESTRICTION H: OTHER(EXPLAIN) 4: OTHER(EXPLAIN)

f Attachm::nt to TXX. 93241 Pfge 5 of 9 COMANCHE PEAK STEAM ELECTRIC STATION, UNIT 2 NRC MONTHLY OPERATING REPORT DOCKETNO: 50446 UNIT: CPSES 2 DATE: June 11,1993 ,

COMPLETED BY: Janet Hughes i TELEPHONE: 817497-5331 OPERATING STATUS

1. Reporting Period: MAY 1993 Gross hours in reporting period: IM
2. Currently authorized power level (MWt): M11 Max. depend. capacity (MWe-Net): 1L50
  • Design Electrical Rating (MWe-Net): 1150
3. Power level to which restricted (if any) (MWe-Net): 29Q
4. Reasons for restriction (if any): Initial startuo THIS MONTH YRTODATE CUMULATIVE
5. Number of hours reactor was critical E 834 834
6. 0 0 0 Reactor reserve shutdown hours .

328.1 836 836

7. Hours generator on lirie ,

0 0 0

8. Unit reserve shutdown hours 665,234.4 1,330.468.8 1,330,468.8
9. Gross thermal energy generated (MWH) 152,610 320,680 320,680
10. Gross electrical energy generated (MWH)
11. Net electrical energy generated (MWH) 129,268 268,787 268,787
12. Reactor Service factor NA NA NA
13. Reactor availability factor NA NA NA
14. Unit service factor NA NA NA
15. Unit availability factor NA NA NA
16. Unit capacity factor (Using MDC) NA NA NA
17. Unit capacity factor (Using Design MWe) NA NA NA ,
18. Unit forced outage rate NA NA NA
19. Shutdowns scheduled over next 6 months (Type, Date, and Duration of each):
20. If shutdown at end of report period, estimated date of startup:
21. Units in test status (prior to commercial operation): FORECAST ACHIEVED  :

Initial Criticality 930320. 930324 ,

initial Electricity 930330 930409 )

Commercial Operation 930801 Estimated l

Attachment to TXX- 93241 Page 6 of 9 AVERAGE DAILY UNIT POWER LEVEL DOCKETNO: N '

UNIT: CPSES 2 DATE: June 11,1993 )

COMPLETEDBY: Janet Hughes TELEPHONE: 817-897 4331 MONTH: MAY 1993 DAY AVERAGE DAILY POWER LEVEL CAY AVERAGEDAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 S 17 778 2 472 18 780 3 491 771 19 4 10 219 20 5 0 21 0 6 32 0 22 7 11 0 23 8 1T 24 0 9 0 25 0 10 0 26 0 11 0 27 0 12 0 28 0 13 27 29 0 14 337 30 0 15 GED 31 0 16 740

Attachment to TXX- 93241

. Pags 7 of 9

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKETNO: 50 446 UNIT: CPSES 2 DATE: June 11,1993 COMPLETED BY: Janet Hughes TELEPHONE: 817-897-5331 MONTH: MAY 1993 0501 0000 Unit started rnonth in MODE 1.

0504 0253 Manually tripped the reactor due to loss of Feedwater flow to Stream Generator #1. Unit entered MODE 3.

0505 1602 Unit entered MODE 2.

  • 1646 Reactor is critical 0506 0116 Unit entered MODE 1.

0237 Sychronized to the grid.

1416 Manually tripped the reactor for Remote Shutdown Test. Unit entered MODE 3.

0507 1020 Unit entered MODE 2.

1102 Reactoris critical.

1705 Unit entered MODE 1.

1745 Sychronized to the grid.

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-0508. 2225 Manually tripped the reactor for Loss of Offsite Power Test. Unit entered MODE 3.

05'12 0409 Unit entered MODE 2.

0445 Reactor is critical.

05'13 1022 Unit entered MODE 1.

1131 Sychronized to the grid.

0520 0701 Reactor automatically tripped due to Loss of Cootant Flow to Generator Stator. Unit entered MODE 3.

0523 07D4 Unit entered MODE 4.

1712 Unit entered MODE 5.

0524 0900 Started Post ISU due to Feedwater Isolation Valve slow closure.

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Attachm:nt to TXX-50241 Page 8 of 9 j

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKETNO: 50446 l UNIT: CP3ES 2 DATE: June 11,1993 -

COMPLETED BY: Janet Hughes _

TELEPHONE: 8174974331 MONTH: MAY 1993 0531 2400 Unit ended month in MODE 5 during Post ISU.

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Attachment to TXX- 93241 .

Page 9 of 9 UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKETNO: 50'446 UNIT: CPSES 2 DATE: June 11,1993 COMPLETED BY: Janet Hughes TELEPHONE: '817-8976331 REPORT MONTH MAY 1993 METHODOF T6E SHUTTING DOWN FfORCED DURATION THERECTOROR M DATE SSCHEDUI Fn (HOURS) REASON REDUCtBG FOA/ER CORRECTIVEACTKXGCOMMENTS 4 930504 F 37.2 A 1 Loss of Feedwater flow to Steam Generator #1.

5 930506 S 20.1 0 1 Remote Shutdown Test.

6 %0500 S 77.7 8 1 Loss of Offsite Power Test.

7 T OS20 F 98 A 3 Loss of Coolant Flow to Generator Stator.

8 930524 S 183. A 4 Feedwater Isolation Valve slow closure.

Unit 2 was already in MODE 5.

1) REASON 2) METHOD A: EQUIPMENTFAILURE(EXPLAIN) E OPERATOR TRAINING AND UCENSE EXAMINATION 1: MANUAL B: MAINTORTEST F: ADMINISTRATIVE 2: MANUALSCRAM C: NFUELING G: OPERATIONALERROR(EXFLAIN) 3: AUTOMATIC SCRAM D: REGLAATORYRESTRCTION H: OTHER(EXPLAIN)~ 4: OTHER(EXPLAIN)

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