ML20076G190

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Monthly Operating Repts for Sept 1994 for Comanche Peak Steam Electric Station
ML20076G190
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 09/30/1994
From: Julie Hughes, Terry C, Woodlan D
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TXX-94268, NUDOCS 9410190163
Download: ML20076G190 (9)
v • d • e


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saammmenenne MM Log # TXX-94268

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- File # 10010.2

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Ref. # 10CFR50.36 TUELECTRIC c.L. ce Tens October 14, 1994 Group Yke President U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION (CPSES) - UNITS 1 AND 2 DOCKET N05. 50-445 AND 50-446 MONTHLY OPERATING REPORT FOR SEPTEMBER 1994 Gentlemen:

Attached is the Monthly Operating Report for September 1994, prepared and submitted pursuant to Technical Specification 6.9.1.5 contained in Appendix A to the Comanche Peak Steam Electric Station Units 1 and 2 Operating License Nos. NPF-87 and NPF-89. respectively.

Sincerely, C. L. Terry By:

D. R. Woodlan Docket Licensing Manager JHK/jmk Attachment c Mr. L. J. Callan, Region IV Hr. D. II. Chamberlain, Region IV Resident Inspectors, CPSES (2)

Mr. T. A. Bergman, NRR 9410190163 940930 PDR ADOCK 05000445 R PDR 4ao N. ouve LB. 81 Danas. Texas 75201 1 !

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' Attachment to TXX-94268 Page 1 of 8 COMANCHE PEAK STEAM ELECTRIC STATION, UNIT 1 NRC MONTHLY OPERATING REPORT DOCKET NO.: 50-445 UNIT: CPSES 1 DATE: 10/11/1994 COMPLETED BY: Janet Hughes TELEPHONE: 817-897-5331 OPERATING STATUS

1. REPORTING PERIOD: SEPTEMBER 1994 GROSS HOURS IN REPORTING PERIOD: 720
2. CURRENTLY AUTHORIZED POWER LEVEL (MWt): 3411 MAX. DEPEND. CAPACITY (MWe-Net): 1150
  • 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 720 6,504 29,043
6. REACTOR RESERVE SHUTDOWN HOURS O 47 2,401
7. HOURS GENERATOR ON LINE 720 6,500 28,593
8. UNIT RESERVE SHUTDOWN HOURS O O O
9. GROSS THERMAL ENERGY GENERATED (MWH) 2,449,997 21,932,213 91,682,018
10. GROSS ELECTRICAL ENERGY GENERATED (MWH) 813,716 7,327,376 30,462,633
11. NET ELECTRICAL ENERGY GENERATED (MWH) 781,363 7,035,413 29,031,264
12. REACTOR SERVICE FACTOR 100.0 99.3 90.2
13. REACTOR AVAILABILITY FACTOR 100.0 100.0 86.8
14. UNIT SERVICE FACTOR 100.0 99.2 78.9 ,
15. UNIT AVAILABILITY FACTOR 100.0 39.2 78.9
16. UNIT CAPACITY FACTOR (USING MDC) 94.4 93.4 69.7
17. UNIT CAPACITY FACTOR (USING DESIGN MWe) 94.4 93.4 69.7
18. UNIT FORCED OUTAGE RATE O.0 0.8 4.9 .
19. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE, DATE, AND DURATION OF EACH) :

Refueling Outage scheduled to begin March 2,1995 with an estimated duration of 9 weeks.

20. IF SHUTDOWN AT END OF REPORTING PERIOD, ESTIMATED DATE OF STARTUP:
21. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION): ACHIEVED COMMERCIAL OPERATION 900813 ESTIMATED .

Attachment to TXX-94268 Page 2 of 8 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.: 50-445 ,

UNIT: CPSES 1 DATE: 10/11/1994 COMPLETED BY: Janet Hughes TELEPHONE: 817-897-5331 MONTH : SEPTEMBER 1994 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

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1 1088 17 1082 2 1086 18 1024 3 1086 19 1087 4 1086 20 1086 5 1086 21 1086 6 1085 22 1088 ,

i 7 1085 23 1091  ;

8 1085 24 1091 9 1085 25 1092 10 1086 26 1093 11 1087 27 1093 12 1085 28 1093 13 1086 29 1092  ;

t 14 1084 30 1092 i

15 1084 31 I

16 1085 1

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Attachment to TXX-94268 Page 3 of 8

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO.: 50-445 UNIT: CPSES 1 DATE: 10/11/1994 COMPLETED BY: Janet Hughes I TELEPHONE: 817-897-5331 MONTH : SEPTEMBER 1994 DAY TIME REMARK / MODE I

09/01 0000 Unit started month in MODE 1.  ;

09/30 2400 Unit ended month in MODE 1.

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Attachment to TRX-94268 Page 4 of 8 .

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-445 -

UNIT: CPSES 1 DATE: 10/11/1994 COMPLETED BY: Janet Hughes TELEPHONE: 817-897-5331 REPORT MONTH : SEPTEMBER 1994 METHOD OF TYPE SHUTTING DOWN F: FORCED DURATION THE REACTOR OR NO DATE S: SCHEDULED (HOURS) REASON REDUCING POWER CORRECTIVE ACTIONS / COMMENTS

1) REASON 2) METHOD A: EQUlPMENT FAILURE (EXPLAIN) E: OPERATOR TRAINING AND LICENSE EXAMINATION 1: MANUAL B: MAINT OR TEST F: ADMINISTRATIVE 2: MANUAL SCRAM C: REFUELING G: OPERATIONAL ERROR (EXPLAIN) 3: AUTOMATIC SCRAM D: REGULATORY RESTRICTION H: OTHER (EXPLAIN) 4: OTHER (EXPLAIN)

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Attachment to TXX-94268 Page 5 of Q COMANCHE PEAK STEAM ELECTRIC STATION, UNIT 2 NRC MONTHLY OPERATING REPORT DOCKET NO.: 50-446 UNIT: CPSES 2 DATE: 10/11/1994 COMPLETED BY: Janet Hughes TELEPHONE: 817-897-5331 ,

OPERATING STATUS f

1. REPORTING PERIOD: SEPTEMBER 1994 GROSS HOURS IN REPORTING PERIOD: 720
2. CURRENTLY AUTHORIZED POWER LEVEL (MWt): 3411 MAX. DEPEND. CAPACITY (MWe-Net): 1150
  • DESIGN ELECTRICAL RATING (MWe-Not): 1150
3. POWER LEVEL TO WHICH RESTRICTED (IF ANY) (MWe-Net): NONE
4. REASON FOR RESTRICTION (IF ANY):

THIS MONTH YR TO DATE CUMULATIVE j

5. NUMBER OF HOURS REACTOR WAS CRITICAL 720 4,726 8,015 j
6. REACTOR RESERVE SHUTDOWN HOURS O 1,825 2,152 i
7. HOURS GENERATOR ON LINE 720 4,629 7,874
8. UNIT RESERVE SHUTDOWN HOURS O O O  ;
9. GROSS THERMAL ENERGY GENERATED (MWH) 2,323,594 13,487,258 24,105,216
10. GROSS ELECTRICAL ENERGY GENERATED (MWH) 781,520 4,491,490 8,078,717 i
11. NET ELECTRICAL ENERGY GENERATED (MWH) 748,167 4,244,716 7,676,522
12. REACTOR SERVICE FACTOR 100.0 72.1 78.8
13. REACTOR AVAILABILITY FACTOR 100.0 100.0 100.0 ,
14. UNIT SERVICE FACTOR 100.0 70.7 77.5 ,
15. UNIT AVAILABILITY FACTOR 100.0 70.7 77.5
16. UNIT CAPACITY FACTOR (USING MDC) 90.4 56.3 65.7
17. UNIT CAPACITY FACTOR (USING DESIGN MWe) 90.4 56.3 65.7
18. UNIT FORCED OUTAGE RATE 0.0 20.2 13.5 19, SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE, DATE, AND DURATION OF EACH) : +

Refueling Outage began October 6,1994 with an estimated duration of 70 days.

20. IF SHUTDOWN AT END OF REPORTING PERIOD, ESTIMATED DATE OF STARTUP: 11/21/1994
21. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION): ACHIEVED COMMERCIAL OPERATION 930803 f i

ESTIMATED  !

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Attachment to TXX-94268 Page 6 of 8 AVERAGE DAILY UNIT POWER LEVEL 1 DOCKET NO.: 50-446 UNIT: CPSES 2 DATE: 10/11/1994 COMPLETED BY: Janet Hughes TELEPHONE: 817-897 5331 MONTH : SEPTEMBER 1994 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL'  !

(MWe-Net) (MWe-Net) 1 1105 17 1101 2 1103 18 1101 ,

3 1093 19 1102 v

4 1101 20 1095 t

5 1103 21 1108 i

6 1101 22 1104 7 1096 23 1104 8 1103 24 1107 -i i

9 1101 25 1104 10 1102 26 1116  !

j 11 1101 27 1104 l 12 1101 28 973 ,

13 1102 29 219 14 1103 30 217 15 1102 31 16 1102 l 5

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d Attachment to TXX-94268 Page 7 of 8

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH DOCKET NO.: 50-446 UNIT: CPSES 2 DATE: 10/11/1994 COMPLETED BY: Janet Hughes TELEPHONE: 817-897-5331 MONTH : SEPTEMBER 1994 -

DAY TIME REMARK / MODE 09/01 0000 Unit started month in MODE 1.

09/28 2010 Main Feedwater Pump 2B was taken out of service due to a failed bearing.

Corrective maintenance included replacement of the f ailed bearing, damaged pump shaft and an inspection of the tube oil system to remove any debris from the failed bearing or debris that could have caused the bearing to fail.

09/30- 2400 Unit ended in MODE 1 at 26% reactor power, t

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Attachment to TXX-94268 Page 8 of 8 UNIT SHUTDOWNS AND POWER REDUCTIONS -

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DOCKET NO.: 50-446 -

UNIT: CPSES 2 DATE: 10/11/1994 ,

COMPLETED BY: Janet Hughes TELEPHONE: 817-897-5331 REPORT MONTH : SEPTEMBER 1994 METHOD OF TYPE SHUTTING DOWN F: FORCED DURATION THE REACTOR OR NO DATE S: SCHEDULED (HOURS) REASON REDUCING POWER CORRECTIVE ACTIONS / COMMENTS 16 940928 F A 4 Main Feedwater Pump 2B Bearing failed. See previous oage.

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1) REASON 2) METHOD A: EQUIPMENT FAILURE (EXPLAIN) E: OPERATOR TRAINING AND LICENSE EXAMINATION 1: MANUAL B: MAINT OR TEST F: ADMINISTRATIVE 2: MANUAL SCRAM C: REFUELING G: OPERATIONAL ERROR (EXPLAIN) 3: AUTOMATIC SCRAM D: REGULATORY RESTRICTION H: OTHER (EXPLAIN) 4: OTHER (EXPLAIN)

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