ML20216J306

Monthly Operating Repts for Mar 1998 for Cpses,Units 1 & 2

ML20216J306
Person / Time
Site:	Comanche Peak
Issue date:	03/31/1998
From:	Reible B, Terry C, Woodlan D TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TXX-98115, NUDOCS 9804210347
Download: ML20216J306 (9)

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, F "": Log # TXX 98115

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_ 5 File # 10010.2 Ref. # 10CFR50.36 lilELECTRIC April 16, 1998

c. use. wrry Senior Vice President

& PrincipalNuclear Officer l

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

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)

! DOCKET NOS. 50 445 AND 50 446 MONTHLY OPERATING REPORT FOR MARCH 1998 i

l Attached is the Monthly Operating Report for March,1998, prepared and submitted l pursuant to Technical Specification 6.9.1.5 contained in Appendix A to the CPSES Units 1 and 2 Operating License Nos. NPF-87 and NPF 89, respectively. During this reporting period, there have been no failures or challenges to the Power Operated Relief Valves or Safety Valves for CPSES Unit 1 and Unit 2.

l This communication contains no new licensing basis commitments regarding CPSES Units 1 and 2. Should you have any questions, please contact Douglas W. Snow at (254) 897 8448.

Sincerely, C. L. Terry By:

D. R. Woodlan Docket Licensing Manager DWS/grp ,  %

Attachment ,.

uV" c- Mr. E. W. Merschoff, Region IV Mr. J. I. Tapia, Region IV Mr. T. J. Polich, NRR I Resident Inspectors y g,. )

9804210347 980331 PDR ADOCK 05000445 R PDR COMANCllE PEAK STEAM ELECTRIC STATION P.O. Box 1002 Glen Rose, Tesas 76043 1002

Attac k nt to TXX 98115

' Page 1 of 8

- COMANCHE PEAK STEAM ELECTRIC STATION, UNIT 1 NRC MONTHLY OPERATING REPORT DOCKET NO.: 50 445 UNIT: CPSES 1 DATE: 4/ 9/98 COMPLETED BY: Bob Reible i TELEPHONE: 2.54 897 0449 l l

0PERATING STATUS

1. REPORTI% PERIOD: MARCH 1998 GROSS HOURS IN REPORTING PERIOD: 744 1150 *

2. CURRENTLY AUTHORIZED POWER LEVEL (MWt): 3411 MAX. DEPEND. CAPACITY (MWe Net):

DESIGN ELECTRICAL RATING (MWe Net): 1150

3. POWER LEVEL TO WHICH RESTRICTED (IF ANY) (MWe Net): NONE

4. REASON FOR RESTRICTION (IF ANY):

THIS MONTH YR TO DATE CUMULATIVE

5. NUMBER OF HOURS REACTOR WAS CRITICAL 482 1,898 56.659

6. REACTOR RESERVE SHUTDOWN HOURS 0 0 2,632

7. HOURS GENERATOR ON LINE 482 1,898 56,009

8. UNIT RESERVE SHUTDOWN HOURS 0 0 0

9. GROSS THERMAL ENERGY GENERATED (MWH) 1,619,882 6.438,667 183,218,451 I

2,180,850 61,252,810 10, GROSS ELECTRICAL ENERGY GENERATED (MWH) 548,521 J

11 NET ELECTRICAL ENERGY GENERATED (HWH) 524,053 2,093.321 58,495.633 l l 12. REACTOR SERVICE FACTOR 64.8 87.9 84.7

13. REACTOR AVAILABILITY FACTOR 64.8 87.9 88.6

14. UNIT SERVICE FACTOR 64.8 87.9 83.7

15. UNIT AVAILABILITY FACTOR 64.8 87.9 83.7

16. UNIT CAPACITY FACTOR (USING MDC) 61.2 84.3 76.0

17. UNIT CAPACITY FACTOR (USING DESIGN MWe) 61.2 84.3 76.0

18. UNIT FORCED OUTAGE RATE 0.0 0.0 4.1

' 19. SHtJTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE, DATE, AND DURATION OF EACH):

Unit sixth refueling cutage started March 21, 1998 with an approximate duration of 5 weeks.

20. IF SHUTDOWN AT END OF REPORTING PERIOD, ESTIMATED DATE OF STARTUP: 4/25/98

21. UNITS IN TEST STATUS (PRIOR TO COMERCIAL OPERATION): ACHIEVED COMERCIAL OPERATION 900813

• ESTIMATED

AttachmdzttoTXX98115 Page 2 of 8 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.: 50 445 UNIT: CPSES 1 SATE: 4/ 9/98 C0HPLETED BY: Bob Reible TELEPHONE: 254 897 0449 HONTH: MARCH 1998 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (HWe Net) DAY (HWe Net) 1 1110 17 1081 2 1110 18 1071 3 1111 19 1070 4 1111 20 1016 ,

5 1110 21 0 6 1110 22 0 7 1110 23 0 8 1109 24 0 l

l 9 1109 25 0 1

10 1110 26 0 I 11 1110 27 0 l l 12 1115 28 0 l 13 1115 29 0 14 1116 30 0 15 1110 31 0 16 1087

Attachment to TXX 98115 l Page 3 of 8

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH i

DOCKET NO.: 50 445 UNIT: CPSES 1 i i

DATE: 4/ 9/98 COMPLETED BY: Bob Reible TELEPHONE: 254 897 0449 HONTH: MARCH 1998 DAY TIME REHARX/H00E 03/01 0000 Unit began the month at 100% power.

03/15 0903 Unit began end of cycle coast down.

1

! 03/21 0000 Unit began shutdown for start of refueling outage 1RF06.

0214 Breaker open. Unit began refueling outage IRF06.

0217 Unit in Mode 2 (1RF06).

0453 Unit in Hode 3 (1RF06).

1733 Unit in Mode 4 (1RF06).

03/22 0224 Unit in Mode 5 (1RF06).

03/27 0758 Unit in Mode 6 (1RF06).

03/31 2400 Unit ended the month in Mode 6 for scheduled refueling outage (1RF06).

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Attachment to TXX 98115

'Page 5 of,8 COMANCHE PEAK STEAM ELECTRIC STATION, UNIT 2 NRC HONTHLY OPERATING REPORT DOCKET N0.: 50 446 UNIT: CPSES 2 DATE: 4/ 9/98 l COMPLETED BY: Bob Reible TELEPHONE: 254 897 0449 OPERATING STATUS

1. REPORTING PERIOD: MARCH 1998 GROSS H00RS IN REPORTING PER00: 744

2. CURRENTLY AUTHORIZED POWER LEVEL (HWt): 3411 HAX. DEPEND. CAPACITY (HWe Net): 1150

• DESIGN ELECTRICAL RATING (HWe Net): 1150

3. POWER LEVEL TO WHICH RESTRICTED (IF ANY) (HWe Net): NONE

4. REASON FOR RESTRICTION (IF ANY):

THIS HONTH YR TO DATE CUHULATIVE j

5. NUMBER OF HOURS REACTOR WAS CRITICAL 729 2,145 34.249

6. REACTOR RESERVE SHUTDOWN HOURS 15 15 2,326 i

7. HOURS GENERATOR ON LINE 725 2,141 33,930

8. UNIT RESERVE SHUTDOWN HOURS 0 0 0

9. GROSS THERHAL ENERGY GENERATED (HWH) 2,428,176 7,188.254 110,294.140

10. GROSS ELECTRICAL ENERGY GENERATED (HWH) 826.810 2.452.965 37,254,277

11. NET ELECTRICAL ENERGY GENERATED (HWH) 793,849 2,360,793 35.651,574

12. REACTOR SERVICE FACTOR 98.0 99.3 83.9

13. REACTOR Ai ' BILITY FACTOR 100.0 100.0 89.6

14. UNIT SERVICE FACTOR 97.5 99.1 83.1

15. UNIT AVAILABILITY FACTOR 97.5 99.1 83.1

16. UNIT CAPACITY FACTOR (USING HDC) 92.8 95.0 75.9

17. UNIT CAPACITY FACTOR (USING DESIGN HWe) 92.8 95.0 75.9

18. UNIT FORCED OUTAGE RATE 2.5 0.9 5.5

19. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE, DATE. AND DURATION OF EACH):

20. IF SHUTDOWN AT END OF REPORTING PERIOD, ESTIMATED DATE OF STARTUP:

21. UNITE IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION): ACHIEVED COHHERCIAL OPERATION 930803

• ESTIMATED

i Attachment to TXX 98115 I Page 6 of 8 l AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.: 50 446 UNIT: CPSES 2 DATE: 4/ 9/98 COMPLETED BY: Bob Reible TELEPHONE: 254 897 0449 HONTH: MARCH 1998 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL-DAY (HWe Net) DAY (HWe Net) 1 1124 17 1120 2 1123 18 1120 3 1123 19 1119 I

4 1123 20 1120 ~I 5 1123 21 1122 l

6 1123 22 1120 i-7 930 23 1120 l

8 037 24 1120 9 37 25 1120 10 922 26 1119 i j 11 1122 27 1119 12 1120 28 1118 13 1120 29 1118 14 1120 30 1118 15 1120 31 1118 16 1120 l

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l Attachment to TXX 98115 Pag'e 7 of 8 ,

l

SUMMARY

OF OPERATING EXPERIENCE FOR THE HONTH l DOCKET NO.. 50 446 UNIT: CPSES 2 DATE: 4/ 9/98 COMPLETED BY: Bob Reible TELEPHONE: 254 897-0449 HONTH: MARCH 1998 DAY TIME REMARK / MODE 03/01 0000 Unit began the month at 100% power.

03/07 1150 Severe Thunderstorm Watch. Turbine runback due to lightning induced transients on the secondary side. Manual runback to 70% power.

1238 Delta I target band, 23 Penalty minutes.

1620 Began ramp to 100% power.

1957 Reduced power due to loss of Heater Drain forward flow return to 70% l power. l l

03/08 0140 Commenced Power Ramp.

1020 Unit returned to 100% power. l 2201 Unit turbine trip and reactor trip from high generator primary water temperature due to tripping of both Turbine Plant Cooling Water pumps due Lo Lo tank level. The 1010 tank level was due to a failed level switch. Unit in Hode 3.

03/09 1213 Repairs were completed on level switch and the unit entered Mode 2.

1319 Reactor Critical 1540 Unit entered Mode 1.

1648 Unit sync to the grid.

03/10 1354 Unft returned to 100% power.

03/31 2400 Unit ended the month at 100% power.

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