HL-4750, Monthly Operating Repts for Nov 1994 for Ei Hatch Nuclear Plant Units 1 & 2

Monthly Operating Repts for Nov 1994 for Ei Hatch Nuclear Plant Units 1 & 2

ML20077F226
Person / Time
Site:	Hatch
Issue date:	11/30/1994
From:	Beckham J, Tidwell T GEORGIA POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
HL-4750, NUDOCS 9412130320
Download: ML20077F226 (15)

Text

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, . Georgia Power Company 40 inverness Center Parkway

, Post Off2ce Box 1295 Birmingham, A;.abama 35201 Telephone 205 877 7279 J. T. Deckham, Jr. . Georgia Power Vice President Nuclear Hatch Project I'*matm (*ct/c sysfun I

December 8, 1994 Docket Nos. 50-321 HL-4750 t 50 366 000005 U.S. Nuclear Regulatory Commission KITN: Document Control Desk Washington, D.C. 20555 Edwin I. Hatch Nuclear Plant Monthly Opemting Reports i

Gentlemen:

1 Enclosed are the November 1994 Monthly Operating Reports for Edwin I.

Hatch Nuclear Plant - Unit 1, Docket No. 50-321, and Unit 2, Docket No. 50-366.

These reports are submitted in accordance with the requirements of Technical Specification 6.9.1.10.

Sincerely, S .

J. T. Beckham, Jr.

Enclosures:

1. November Operating Report for Plant Hatch - Unit 1

2. November Operating Report for Plant Hatch - Unit 2 c: (See next page.)

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Georgia Power A U.S. Nuclear Regulatory Commission Page 2 December 8, 1994 c: Georeia Power Company Mr. fi. L Sumner, Nuclear Plant General Manager NORMS U.S. Nuclear Reculatory Commission. Washineton. D.C.

Mr. K. Jabbour, Licensing Project Manager Hatch U.S. Nuclear Reentatorv Commission. Reelon 11

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Mr. S. D. Ebneter, Regional Administrator Mr. B. L Holbrook, Senior Resident Inspector - Hatch Utility Data Institute. Inc.

Mr. Fred Yost, Director - Research Services IIIA750

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i Enclosure 1 Plant Hatch Unit 1 Monthly Opemting Report November 1994 Table of Contents Page Narrative Report El-1 Operating Data Report El-2 Average Daily Power Level El-3 Unit Shutdowns and Power Reductions El-4 i

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c PLANT E. I. HATCH - UNIT ONE DOCKET NO.: 50-321 DATE: DECEMBER 1, 1994 NARRATIVE REPORT COMPLETED BY: T. W. TIDWELL TELEPHONE: (912) 367-7781 x2878 NOVEMBER 1 0000 Activities associated with the 15th Refueling Outage continued.

NOVEMBER 2 2341 Shift began withdrawing control rods for unit startup.

NOVEMBER 3 0135 Shift brought the reactor critical.

NOVEMBER 5 1658 Shift tied the Main Generator to the grid.

NOVEMBER 5 2210 Shift removed the Main Generator from the grid for Turbine Overspeed Trip Testing.

NOVEMBER 5 2300 Shift tied the unit to the grid and initiated ascension to rated thermal power. Fuel preconditioning measures were implemented to prevent fuel degradation during ascension to rated thermal power.

NOVEMBER 11 0320 The unit attained rated thermal power.

NOVEMBER 11 2237 Shift began reducing load to approximately 740 GMWe to perform Control Rod Drive Exercises for selected rod drives.

NOVEMBER 11 2312 Shift began ascension to rated thermal power. Fuel preconditioning measures were implemented to prevent fuel degradation during ascension to rated thermal power.

NOVEMBER 12 0453 The unit attained rated thermal power.

NOVEMBER 18 2215 Shift began reducing load to approximately 740 GMWe to perform Control Rod Drive Exercises for selected rod drives.

NOVEMBER 18 2256 Shift began ascension to rated thermal power.

NOVEMBER 18 2340 Shift began reducing load to approximately 600 GMWe due to loss of feedwater heating caused by the isolation of several feedwater heaters.

NOVEMBER 19 0005 An automatic reactor scram occurred from Turbine Stop Valve Closure when a turbine trip signal was generated due to high water level in the Moisture Separator Reheater "A/B".

NOVEMBER 19 2013 Shift began withdrawing control rods for unit startup.

NOVEMBER 19 2309 Shift brought the reactor critical.

NOVEMBER 20 1026 Shift tied the unit to the grid and initiated ascension to rated thermal power. Fuel preconditioning measures were implemented to prevent fuel degradation during ascension to rated thermal power.

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PLANT E. I. HATCH - UNIT ONE DOCKET NO.: 50-321 DATE: 1994 NARRATIVE REPORT DECEMBER COMPLETED BY: T. 1,W. TIDWELL TELEPHONE: (912) 367-7781 x2878 NOVEMBER 21 1754 The unit attained rated thermal power.

< 'H0VEMBER 23 2055 Shift began reducing load to approximately 600 GMWe to remove the "B" Circulating Water Pump from service due to high temperatures at the lower guide bearing.

NOVEMBER 25 1714 Shift reduced load to approximately 550 GMWe to perform a . Control Rod Pattern Adjustment.

NOVEMBER 25 1810 Shift completed Rod Pattern Adjustment. Shift continued to maintain reduced power level to complete repairs on the "B" Circulating Water Pump.

NOVEMBER 25 2342 Shift began ascension to rated thermal power. Fuel preconditioning measures were implemented to prevent fuel degradation during ascension to rated thermal power.

NOVEMBER 26 1147 The unit attained rated thermal r wer.

NOVEMBER 30 2400 Shift continued to maintain rated thermal power.

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OPERATING DATA REPORT DOCKET NO.: 50-321 DATE: 1994 COMPLETEDDECEMBER BY: T. 1,W. TIDWELL OPERATING STATUS

1. UNIT NAME: E. I. HATCH - UNIT ONE

2. REPORT PERIOD: NOVEMBER 1994

3. LICENSED THERMAL POWER (MWt : 2436

4. NAMEPLATE RATING 850

5. DESIGN ELECTRICAL RATING N (GROSS T MWe : MWe : 776.3

6. MAXIMUM DEPENDABLE CAPACI Y GROS MWe 774

7. MAXIMUM DEPENDABLE CAPACITY NET MWe):): 741

8. IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS 3 THROUGH 7) SINCE LAST REPORT, GIVE REASONS: NO CHANGES

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MWe): NO RESTRICTIONS

10. REASONS FOR RESTRICTION, IF ANY: N/A THIS MONTH YEAR-TO-DATE CUMULATIVE

11. HOURS IN REPORTING PERIOD: 720.0 8016 165815

12. NUMBER OF HOURS REACTOR WAS CRITICAL: 648.5 6894.1 124897.6

13. REACTOR RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

14. HOURS GENERATOR ON LINE: 572.9 6799.6 119756.1

15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

1189342 16136651 269245185

16. GROSS THERMAL ENERGY GENERATED (MWHt)He):

17. GROSS ELECTRICAL ENERGY GENERATED (MW 381440 5173450 86517780

18. NET ELECTRICAL ENERGY GENERATED (MWHe): 362261' 4937138 82327632

19. UNIT SERVICE FACTOR: 79.6% 84.8% 72.2%

20. UNIT AVAILABILITV FA0'OR: 79.6% 84.8% 72.2%

21. UNIT CAPACITY FACTOR USING MDC NET : 67.9% 83.1% 66.3%

22. UNIT CAPACITY FACTOR USING DER NET : 64.8% 79.3% 63.7%

23. UNIT FORCED OUTAGE RA E: 5.7% 1.7% 11.4%

24. SHUTDOWNS SCHEDULED OVER THE NEXT 6 MONTHS (TYPE DATE, AND DURATION OF EACH): N/A 25.IFSHUTDOWNATENDOFREPORTPERIOD,ESTIMATEDDATEOFSTARTUP: N/A

26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION): N/A El-2

PLANT E. I. HATCH - UNIT ONE DOCKET N0.: 50-321 DATE: DECEMBER 1, 1994 AVERAGE DAILY POWER LEVEL COMPLETED BY: T. W. TIDWELL TELEPHONE: (912) 367-7781 x2878 DAY Net MWe 1 ......... .... 0 2 .............. 0 3 .............. 0 4 .............. 0 5 .............. 12 6 .............. 139 7 .............. 300 8 .............. 409 9 .............. 414 10 .............. 596 11 .............. 764 12 .............. 766 13 .............. 767 14 .............. 764 15 .............. 765 16 .............. 764 17 .............. 768 18 .............. 729 19 .............. 0 20 .............. 162 21 .............. 673 22 .............. 763 23 .............. 734 24 .............. 562 25 .............. 568 26 .............. 714 1 27 .............. 748 l 28 .............. 751 29 .............. 760 30 .............. 764 1

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l UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET N0.: 50-321 l DATE: DECEMBER 1, 1994 UNIT NAME: E. I. HATCH - UNIT ONE COMPLETED BY: T. W. TIDWELL TELEPHONE: (912) 367-7781 x2878 -

REPORT MONTH: NOVEMBER 1994 R M S E E Y T A T LICENSEE SC Y S H EVENT T0 COMP 0NENT CAUSE & CORRECTIVE P DURATION 0 0 REPORT ED CODE ACTION TO NO. DATE E (HOURS) N D NUMBER HE (SUBCODE) PREVENT RECURRENCE 94-005 940921 S 112.0 C 4 N/A RC FUELXX Activities associated with the 15th Refueling Outage continued.94-006 941105 S 0.8 B 5 N/A HA TURBIN The generator was removed from the grid for Turbine Overspeed Trip Testing.94-007 941119 F 34.3 H 3 1-94-014 HJ VALVEX An automatic reactor scram (A) occurred from Turbine Stop Valve Closure when a turbine trip signal was generated due to high water level in the Moisture Separator Reheater "A Detailed cause of the/B" .

malfunction and corrective actions are under investigation.

l TYPE: REASON: METHOD: EVENTS REPORTED INVOLVE A GREATER THAN 20%

F-FORCED A-EQUIPMENT FAILURE (EXPLAIN) 1-MANUAL REDUCT!0N IN AVERAGE  ;

S-SCHEDULED B-MAINTENANCE OR TEST 2-MANUAL SCRAM DAILY P0' DER LEVEL FOR J C-REFUELING 3-AUTOMATIC SCRAM THE PRECEDING 24 HOURS. l D-REGULATORY RESTRICTION 4-CONTINUATIONS l E-0PERATOR TRAINING & LICENSE 5-LOAD REDUCTION F-ADMINISTRATIVE 9-0THER (EXPLAIN)

G-0PERATIONAL ERROR (EXPLAIN)

H-0THER (EXPLAIN)

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1 UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-321 DATE: 1994 UNIT NAME: E. I. HATCH - UNIT ONE DECEMBER CCMPLETED BY: T. 1,W. TIDWELL TELEPHONE: (912) 367-7781 x2878 '

REPORT MONTH: NOVEMBER 1994 R M S E E Y T A T LICENSEE SC Y S H EVENT T0 COMPONENT CAUSE & CORRECTIVE P DURATION 0 0 REPORT ED CODE ACTION TO N0. DATE E (HOURS) N D NUMBER HE (SUBCODE) PREVENT RECURRENCE 94-008 941123 F 0.0 B 5 N/A HF PUMPXX Shift reduced load to (B) approximately 600 GMWe to remove the "B" Circulating Water Pump from service due '

to high temperatures at the lower guide bearing. .The bearing was replaced and the pump was returned to service, s

TYPE: REASON: METHOD: EVENTS REPORTED INVOLVE A GREATER THAN 20%

F-FORCED 1-MANUAL REDUCTION IN AVERAGE S-SCHEDULED A-EQUIPMENT B-MAINTENANCE OR TEST FAILURE (EXPLAIN) 2-MANUAL SCRAM DAILY POWER LEVEL FOR C-REFUELING 3-AUTOMATIC SCRAM THE PRECEEDING 24 HOURS.

D-REGULATORY RESTRICTION 4-CONTINUATIONS E-0PERATOR TRAINING & LICENSE 5-LOAD REDUCTION F-ADMINISTRATIVE 9-0THER (EXPLAIN)

G-0PERATIONAL ERROR (EXPLAIN)

H-0THER (EXPLAIN)

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9 Enclosure 2 Plant Hatch Unit 2 Afonthly Operating Report November 1994 Table of Contents Page Narrative Report E2-1 Operating Data Report E2-2 Average Daily Power Level E2-3 Unit Shutdowns and Power Reductions E2-4 l

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l PLANT E. I. HATCH - UNIT TWO DOCKET NO: 50-366 DATE: DECEMBER 1, 1994 NARRATIVE REPORT COMPLETED BY: T. W. TIDWELL TELEPHONE: (912) 367-7781 x2878 NOVEMBER 1 0000 Shift continued activities associated with ascension to rated thermal power after replacing the coupling between the "A" Reactor Feedwater Pump and Reactor Feedwater Pump Turbine.

NOVEMBER 1 1318 The unit attained rated thermal power.

NOVEMBER 2 0210 Shift reduced load to approximately 775 GMWe to perform a Control Rod Pattern Adjustment.

NOVEMBER 2 0352 Shift began ascension to rated thermal power. Fuel preconditioning measures were implemented to prevent fuel degradation during ascension to rated thermal power.

NOVEMBER 2 0535 The unit attained rated thermal power.

NOVEMBER 6 0045 Shift began reducing load to approximately 740 GMWe to perform Control Rod Drive Exercises for selected rod drives.

NOVEMBER 6 0200 Shift began ascension to rated thermal power.

NOVEMBER 6 0235 The unit attained rated thermal power.

NOVEMBER 12 2001 Shift began reducing load to approximately 610 GMWe to Turbine Control Valve and Turbine Bypass Valve Testing,and perform Control Rod Drive Exercises for selected rod drives.

NOVEMBER 12 2245 Shift began ascension to rated thermal power. Fuel preconditioning measures were implemented to prevent fuel degradation during ascension to rated thermal power.

NOVEMBER 13 0245 The unit attained rated thermal power.

NOVEMBER 19 2138 Shift began reducing load to approximately 740 GMWe to perform Control Rod Drive Exercises for selected rod drives.

NOVEMBER 19 2305 Shift began ascension to rated thermal power. Fuel preconditioning measures were implemented to prevent fuel degradation during ascension to rated thermal power.

NOVEMBER 20 0320 and Alarms for Heaters 12th Stage 4th Stage "A"Heater "A" High Low level were level and 6th, received. 7th,10th,by Investigation Instrumentation and Control technicians revealed that a relay had failed and caused the extraction steam valve to the 6th Stage Heater "A" to isolate.

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PLANT E. I. HATCH - UNIT TWO DOCKET NO: 50-366 DATE: 1994 NARRATIVE REPORT COMPLETED DECEMBER BY: T. 1,W. TIDWELL TELEPHONE: (912) 367-7781 x2878 NOVEMBER 20 2256 The relay was replaced and shift began ascension to rated thermal power.

NOVEMBER 20 2330 Rated thermal power was attained.

NOVEMBER 27 0015 Shift began reducing load to approximately 740 GMWe to perform 1 Control Rod Drive Exercises for selected rod drives.

NOVEMBER 27 0045 Shift began ascension to rated thermal power.

NOVEMBER 27 0205 The unit attained rated thermal power.

NOVEMBER 30 2400 Shift continued to maintain rated thermal power.

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1 OPERATING DATA REPORT DOCKET NO: 50-366 DATE: 1994 COMPLETEDDECEMBER BY: T. 1,W. TIDWELL OPERATING STATUS:

1. UNIT NAME: E. I. HATCH - UNIT TWO

2. REPORTING PERIOD: NOVEMBER 1994

3. LICENSED THERMAL POWER (MWt : 2436 i GROSS MWe : 850

4. NAMEPLATE

5. DESIGN ELECTRICALRATING N (RATING T MWe : 784

6. MAXIMUM DEPENDABLE CAPACI Y GROS MWe): 798

7. MAXIMUM DEPENDABLE CAPACITY NET MWe 765

8. IF CHANGES OCCUR IN CAPACITY RATINGS): '

(ITEMS 3 THROUGH 7) SINCE LAST REPORT, GIVE REASONS: NO CHANGES

9. POWER LEVEL TO WHICH RESTRICTED IF ANY (NET MWe): NO RESTRICTIONS

10. REASONS FOR RESTRICTION, IF ANY,: N/A THIS MONTH YEAR'-TO-DATE CUMULATIVE

11. HOURS IN REPORTING PERIOD: 720.0 8016 133441

12. NUMBER OF HOURS REACTOR WAS CRITICAL: 720.0 6875.7 102615.9

13. REACTOR RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

14. HOURS GENERATOR ON LINE: 720.0 6791.5 99017.5

15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

16. GROSS THERMAL ENERGY GENERATED (MWHt): 1747754 14996072 218467946

17. GROSS ELECTRICAL ENERGY GENERATED (MWHe): 580490 4924780 71539520

18. NET ELECTRICAL ENERGY GENERATED (MWHe): 556712 4696876 68131567

19. UNIT SERVICE FACTOR: 100.0% 84.7% 74.2%

20. UNIT AVAILABILITY FACTOR: 100.0% 84.7% 74.2%

21. UNIT CAPACITY FACTOR USING MDC NET : 101.1% 76.6% 66.8%

22. UNIT CAPACITY FACTOR USING DER NET : 98.6% 74.7% 65.1%

23. UNIT FORCED OUTAGE RA E: 0.0% 2.0% 7.1%

24. SHUTDOWNS SCHEDULED OVER THE NEXT 6 MONTHS (TYPE, DATE, AND DURATION OF EACH): N/A

25. IF SHUTDOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP: N/A  ;

26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION): N/A )

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PLANT E. I. HATCH - UNIT TWO DOCKET NO: 50-366 DATE: DECEMBER 1, 1994 AVERAGE DAILY POWER LEVEL. COMPLETED BY: T. W. TIDWELL

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NOVEMBER 1994 DAY Net MWe 1 .............. 753 2 .............. 778 3 .............. 777 4 .............. 773 5 .............. 769 6 .............. 767 7 .............. 773 8 .............. 772 9 .............. 767 10 .............. 770 11 .............. 782 12 .............. 758 13 .............. 777 14 .............. 776 15 .............. 774 16 .............. 773 17 .............. 778 18 .............. 776 19 .............. 771 20 .............. 759 21 .............. 772 22 .............. 777 23 .............. 781 24 .............. 784 25 .............. 781 26 .............. 779 27 .............. 774 28 .............. 773 29 .............. 775 30 .............. 778 E2-3

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET N0: 50-366 DATE: 1994 UNIT NAME: E. I. HATCH - UNIT TWO DECEMBER COMPLETED BY: T. 1,W. TIDWELL TELEPHONE: (912) 367-7781 x2878 REPORT MONTH: NOVEMBER 1994 R M S E E Y T A T LICENSEE SC Y S H EVENT T0 COMPONENT CAUSE & CORRECTIVE P DURATION 0 0 REPORT ED CODE ACTION TO N0. DATE E (HOURS) N D NUMBER HE (SUBCODE) PREVENT RECURRENCE No significant power reductions occurred this month.

TYPE: REASON: METHOD: EVENTS REPORTED INVOLVE A GREATER THAN 20%

F-FORCED A-EQUIPMENT FAILURE (EXPLAIN) 1-MANUAL REDUCTION IN AVERAGE S-SCHEDULED B-MAINTENANCE OR TEST- 2-MANUAL SCRAM DAILY POWER LEVEL FOR C-REFUELING 3-AUTOMATIC SCRAM THE PRECEDING 24 HOURS.

D-REGULATORY RESTRICTION 4-CONTINUATIONS E-0PERATOR TRAINING & LICENSE 5-LOAD REDUCTION F-ADMINISTRATIVE 9-0THER (EXPLAIN)

G-0PERATIONAL ERROR (EXPLAIN)

H-0THER (EXPLAIN)

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