HL-5111, Monthly Operating Repts for Jan 1996 for Ei Hatch Nuclear Plant

Monthly Operating Repts for Jan 1996 for Ei Hatch Nuclear Plant

ML20149K247
Person / Time
Site:	Hatch
Issue date:	01/31/1996
From:	Beckham J, Shannon Rogers GEORGIA POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
HL-5111, NUDOCS 9602220078
Download: ML20149K247 (13)

Text

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. Georgb Power Company 40 inverress Center Parkwry Post office Box 1295 Birmingham, Alabam.2 35201 ~

TAepnone 205 877-7279 J. T. secumm, .k. Georgia Power i Vice President - Nuclear Hutch Project - the southern elecinc system February 12, 1996 l'

Docket Nos. 50-321 HL-5111 50-366 I

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- U. S. Nuclear Regulatory Coramission )

ATTN: Document Control Desk ,

Washington, D. C. 20555 l

1 Edwin I. Hatch Nuclear Plant I Monthly Operatine Reports Gentlemen:

Enclosed are the January 1996 Mor " Operating Reports for Edwin I. Hatch Nuclear i Plant Unit 1, Docket No. 50-321, nit 2, Docket No. 50-366. These reports are submitted in accordance with Teclu. d Specifications requirements.

Sincerely, J. T. Beckham, Jr.

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Enclosures:

l. January Monthly Operating Report for Plant Hatch Unit 1

2. January Monthly Operating Report for Plant Hatch Unit 2 cc: (See next page.)

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' r, - 9602220078 960131 PDR ADOCK 05000321 R PDR 220026 L .I e W L i(

.'b- l GeorgiaPower d U. S. Nuclear Regulatory Commission Page 2 February 12, 1996 cc: Georgia Power Company  ;

Mr. H. L. Sumner, Nuclear Plant General Manager NORMS U. S. Nuclear Reeulatorv Commission. Washington D. C.

Mr. K. Jabbour, Licensing Project Manager - Hatch U. S. Nuclear Regulatorv Commission. Region il Mr. S. D. Ebneter, Regional Administrator Mr. B. L. Holbrook, Senior Resident Inspector - Hatch Utility Data Institute. Inc. i Mr. Fred Yost, Director - Research Services l

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I Enclosure 1 Plant Hatch Unit 1 Monthly Operating Report January 1996 Table of Contents ,

PJEQ Narrative Report El-1a Operating Data Report El-2 Average Daily Power Level El-3 i

Unit Shutdowns and Power Reductions El-4 l l

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PLANT E. I. HATCH - UNIT ONE DOCKET NO.: 50-321 DATE: 1996 NARRATIVE REPORT FEBRUARY COMPLETED BY: S. 5,B. ROGERS l

TELEPHONE: (912) 367-7781 x2878 i

JANUARY I 0000 Shift continued to maintain maximum achievable thermal power.

JANUARY 4 0005 Shift began reducing load when Main Turbine control Valve (TCV No. 2 drifted closed. Main Turbine Bypass Valve No. 1 opened, p)er '

design, to control reactor pressure.  ;

JANUARY 4 0020 An automatic reactor scram occurred on high reactor pressure when all four Main TCVs drifted closed due to clogging of the valves' servo strainers. The strainers were replace <. All three Main 1

Turbine Bypass Valves opened per design.

i JANUARY 5 1736 Shift began withdrawing control rods for unit startup.

JANUARY 5 2233 Shift brought the reactor critical.

I JANUARY 7 1537 Shift tied the Main Generator to the grid and began ascension to i

maximum achievable thermal power.

JANUARY 9 1228 Shift began reducing load to approximately 485 GMWe to perform a Rod Pattern Adjustment and remove 5th Stage Feedwater Heater "B" i from service for final feedwater temperature reduction. i

! JANUARY 9 2110 Shift began ascension to maximum achievable the.wal power. Fuel

! preconditioning measures were implemented to prevent fuel i degradation during ascension.

! JANUARY 11 1500 The unit attained maximum achievable thermal power.

JANUARY 12 2148 Shift began reducing load to approximately 505 GMWe to perform a

- Rod Pattern Adjustment. As a conservative measure, the servo 4

strainers on Main Turbine Control Valve No. I and Main Turbine Stop Valve {TSV) No. 2 were replaced again to inspect for 1 clogging. The 5th Stage Feedwater Heater "A" was removed from service for final feedwater temperature reduction.

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! JANUARY 13 0128 Shift began ascension to maximum achievable thermal power. Fuel 2

preconditioning measures were implemented to prevent fuel

! degradation during ascension.

JANUARY 13 2215 The unit attained maximum achievable thermal power.

4 JANUARY 20 1350 Shift began reducing load to approximately 675 GMWe to perform l Control Rod Drive Exercises on selected control rod drives.

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e PLANT E. I. HATCH - UNIT ONE DOCKET NO.: 50-321 DATE: 1996 NARRATIVE REPORT FEBRUARY COMPLETED BY: S. 5,B. ROGERS TELEPHONE: (912) 367-7781 x2878

! JANUARY 20 1533 Shift Man ascension to maximum achievable thermal power. Fuel

' preconditioning measures were implemented to prevent fuel '

degradation during ascension.

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JANUARY 20 1730 The unit attained maximum achievable thermal power.

JANUARY 26 2110 Shift began reducing load to approximately 630 GMWe to perform

! Control Rod Drive Exercises on selected control rod drives.

JANUARY 27 0015 Shift began ascension to maximum achievable thermal power.

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JANUARY 27 0108 The unit attained maximum achievable thermal power.

JANUARY 31 2400 Shift continued to maintain maximum achievable thermal power.

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- 1 OPERATING DATA REPORT DOCKET NO.: 50-321 DATE: 1996

COMPLETEDFEBRUARY BY: S. 5,B. ROGERS l TELEPHONE: (912) 367-7781 x2878

OPERATING STATUS

1. UNIT NAME: E. I. HATCH - UNIT ONE 4

2. REPORT PERIOD: JANUARY 1996

3. LICENSED THERMAL POWER (MWt : 2436

4. NAMEPLATE RATING (GROSS MWe : 850

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

6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWe): 774

7. MAXIMUM DEPENDABLE CAPACITY 741 .

8. IF CHANGES OCCUR IN RATINGS CAPACITY (NET MWe):

(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 I THIS MONTH YEAR-TO-DATE CUMULATIVE I 11. HOURS IN REPORTING PERIOD: 744.0 744.0 176063

, 12. NUMBER OF HOURS REACTOR WAS CRITICAL: 697.8 697.8 135099.4 1

13. REACTOR RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0 4

14. HOURS GENERATOR ON LINE: 656.7 656.7 129916.8 i 15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

1483211 1483211 293291978 j 16. GROSS THERMAL ENERGY GENERATED (MWHt)He):

17. GROSS ELECTRICAL ENERGY GENERATED (MW 472283 472283 448330 94344615 89811870 l

18. NET ELECTRICAL ENERGY GENERATED (MWHe): 448330

19. UNIT SERVICE FACTOR: 88.3% 88.3% 73.8%

20. UNIT AVAILABILITY FACTOR: 88.3% 88.3% 73.8%

USING MDC NET)

81.3% 81.3% 68.2% '

21.UNITCAPACITYFACTOR(USINGDERNET):

22. UNIT CAPACITY FACTOR I 77.6% 77.6%

11.7%

65.4%

10.6%

23. UNIT FORCED OUTAGE RATE: 11.7%

! 24. SHUTDOWNS SCHEDULED DVER THE NEXT 6 MONTHS (TYPE DATE, AND DURATION OF EACH):

42DAYREFUELINGOUTAGETENTATIVELYSCHEDULEDF0kMARCH 23, 1996, i 25. IF SHUTDOWN AT END OF REPORT PERIOD ESTIMATED DATE OF STARTUP: N/A 26.UNITSINTESTSTATUS(PRIORTOCOMMERCIALOPERATION): N/A i

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PLANT E. I. HATCH - UNIT DNE DOCKET NO.: 50-321 DATE: 1996 FEBRUARY 5,B. ROGERS COMPLETED BY: S.

AVERAGE DAILY POWER LEVEL TELEPHONE: (912) 367-7781 x2878 1

DAY Net MWe 1 .............. 719 2 .............. 714 3 .............. 698 4 .............. 0 5 .............. 0 6 .............. 0 7 .............. 58 8 .............. 513 4

9 .............. 567 10 .............. 585 11 .............. 722 12 .............. 708 l 13 .............. 679 14 .............. 744 15 .............. 736 16 .............. 731 17 .............. 726 18 .............. 717 19 .............. 723

20 .............. 717 21 .............. 720 22 .............. 716 23 .............. 707 24 .............. 700 25 .............. 703 26 .............. 682

27 .............. 695 28 .............. 696 29 .............. 689

30 .............. 682

31 .............. 678 2

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l UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-321 DATE: 1996 UNIT NAME: E. I. HATCH - UNIT ONE COMPLETED BY: S.

FEBRUARY 5,B. ROGERS TELEPHONE: (912) 367-7781 x2878

REPGRT MONTH: JANUARY 1996 l R M S l

E E Y l T A T LICENSEE SC '

Y S H EVENT T0 COMPONENT CAUSE & CORRECTIVE P DURATION 0 0 REPORT ED CODE ACTION TO

NO. DATE E (HOURS) N D NUMBER ME (SUBCODE) PREVENT RECURRENCE I

96-001 960104 F 87.3 A 3 96-001 HB FILTERS An automatic reactor scram

- occurred on high reactor

pressure when all four

Main TCVs drifted closed due to the valves' servo strainers becoming clogged, l' Q using loss of hydraulic

'i'luid pressure to the servo

valve spool. The source of the foreign substance that

clogged the strainers has

not been positively identified.

The servo strainers were

! replaced in all four Main TCVs and Electrohydraulic I Control (EHC) system filters.  ;

EHC fluid samples were sent i for laboratory analysis. A l vacuum dehydrator is being purchased to reduce the

moisture level in the EHC l 4

fluid. -

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

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

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

G-OPERATIONAL ERROR (EXPLAIN) ,

H-0THER (EXPLAIN)

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Enclosure 2 -

Plant Hatch Unit 2 Monthly Operating Report January 1996 Table of Contents -

i Pagg a

Narrative Report E2-1 Operating Data Report E2-2 Average Daily Power Level E2-3 Unit Shutdowns and Power Reductions E2-4 1

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PLANT E. I. HATCH - UNIT TWO DOCKET NO: 50-366 DATE: 1996 NARRATIVE REPORT FEBRUARY COMPLETED BY: S. 5,B. ROGERS TELEPHONE: (912) 367-7781 x2878 JANUARY I 0000 Shift continued to maintain rated thermal power. 1 JANUARY 10 2222 an reducin Shiftbebondensatebemineralizer"E".

precoat load to approximately 850 GMWe to b JANUARY 11 0025 Shift began ascension to rated thermal power.

JANUARY 11 0034 The unit attained rated thermal power. ,

JANUARY 11 1422 Shift began reducing load to approximately 852 GMWe to backwash and precoat Condensate Demineralizer "F".

JANUARY 11 1605 Shift began ascension to rated thermal power.

JANUARY 11 1630 The unit attained rated thermal power.

JANUARY 11 2100 Shift began reducing load to approximately 620 GMWe to replace the servo strainers on all four Main TCVs and the servo strainer

on Main TSV No. 2.

JANUARY 12 0120 Shift began ascension to rated thermal power.

JANUARY 12 0318 The unit attained rated thermal power.

4 JANUARY 20 2235 Shift began reducing load to approximately 675 GMWe to perform a Rod Pattern Adjustment and Control Rod Drive Exercises for selected control rod drives.

JANUARY 21 0228 Shift began ascension to rated thermal power. Fuel preconditioning measures were implemented to prevent fuel degradation during i ascension to rated thermal power.

! JANUARY 21 1610 The unit attained rated thermal power.

JANUARY 31 2400 Shift continued to maintain rated thermal power.

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4 OPERATING DATA REPORT DOCKET NO: 50-366 DATE: 1996 COMPLETED FEBRUARY BY: S. 5,B. ROGERS >

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OPERATING STATUS:

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

2. REPORTING PERIOD: JANUARY 1996 MWt : 2558 3.NAMEPLATE

4. LICENSED THERMAL RATING (GROSS POWER (MWe : 850

5. DESIGN ELECTRICAL RATING fN T MWe : 784

6. MAXIMUM DEPENDABLE CAPACITY GROS MWe): 844

7. MAXIMUM DEPENDABLE CAPACITY NET MWe 809

8. IF CHANGES DCCUR IN CAPACITY RATINGS):

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

9. M ER 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: 744.0 744.0 143689

12. NUMBER OF HOURS REACTOR WAS CRITICAL: 744.0 744.0 111225.6

13. REACTOR RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

14. HOURS GENERATOR ON LINE: 744.0 744.0 107394.9

15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

16. GROSS THERMAL ENERGY GENERATED (MWHt): 1894639 1894639 238260440

17. GROSS ELECTRICAL ENERGY GENERATED (WHe 639073 639073 78073332 l

18. NET ELECTRICAL ENERGY GENERATED (WHe):): 614530 614530 74371991 l

19. UNIT SERVICE FACTOR: 100.0% 100.0% 74.7%

20. UNIT AVAILABILITY FACTOR: 100.0% 100.0% 74.7%

21. UNIT CAPACITY FACTOR USING MDC NET : 102.1% 102.1% 67.7%

22. UNIT CAPACITY FACTOR USING DER NET : 105.4% 105.4% 66.0%

23. UNIT FORCED OUTAGE RA E: 0.0% 0.0% 6.9%

24. SHUTDOWNS SCHEDULED OVER THE NEXT 6 MONTHS DATE, AND DURATION OF EACH): NA 25.IFSHUTDOWNATENDOFREPORTPERIOD,ESTINA'(TYPEEDDATEOFSTARTUP: NA

26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION): NA E2-2 i

PLANT E. I. HATCH - UNIT TWO DOCKET NO: 50-366 DATE: FEBRUARY 5, 1996 AVERAGE DAILY POWER LEVEL COMPLETED BY: S. B. ROGERS TELEPHONE: (912) 367-7781 x2878 DAY Net NWe 1 .............. 824 2 .............. 822 3 .............. 829 4 .............. 831 5 .............. 831 6 .............. 829 7 .............. 830 8 .............. 831 9 .............. 831 10 .............. 830 11 .............. 796 12 .............. 820 13 .............. 830 14 .............. 829 15 .............. 828 16 .............. 830 17 .............. 828

' 18 .............. 824 19 .............. 830

20 .............. 821 21 .............. 789 22 .............. 831 23 .............. 829 24 .............. 828 25 .............. 831 26 .............. 828 3

27 .............. 828 l_ 28 .............. 832 29 .............. 830 30 .............. 829 31 .............. 826 i

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l UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO: 50-366 DATE: 1996 E. I. HATCH - UNIT TWO FEBRUARY COMPLETED BY: S. 5,B. ROGERS UNIT NAME:

TELEPHONE: (912) 367-7781 x2878 REPORT MONTH: JANUARY 1996 R M S E E Y j T A T LICENSEE SC Y S H EVENT T0 COMPONENT CAUSE & CORRECTIVE P DURATION 0 0 REPORT ED CODE ACTION TO NO. DATE E (HOURS) N D NUMBER HE (SUBCODE) PREVENT RECURRENCE No significant power reductions occurred this sonth.

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

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

D-REGULATOP.Y 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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