ML20045G512

Monthly Operating Repts for June 1993 for Ei Hatch Nuclear Plant,Units 1 & 2.W/930709 Ltr

ML20045G512
Person / Time
Site:	Hatch
Issue date:	06/30/1993
From:	Beard R, Beckham J GEORGIA POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
HL-3399, NUDOCS 9307140063
Download: ML20045G512 (12)

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'. Georgia Power Company 40 inverness Conter Parkway Post Office Dor 1295 Birmingham, Alabama 35201 To!optesno 205 877-7279 m

1. e*r*'3IaT<2i'I;ciear vice Hatch Project G"N hU u,e z.uuthryn M ruc 3 span July 9, 1993 Docket Nos. 50-321 HL-3399 50-366 000005 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555 Plant Hatch - Units 1,2 Operating Licenses DPR-57, NPF-5 Monthlv Operatine Reports Gentlemen:

Enclosed are the June 1993 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 Specifications Section 6.9.1.10.

Sincerely, S>

J. T. Beckham, Jr.

SRP/sp

Enclosures:

1. Month! Operating Report for Plant Hatch - Unit 1

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

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l U.S. Nuclear Regulatory Commission Page 2 l July 9, 1993 l

c: [gercia Power ComoaroL Mr. H. L. Sumner, General Manager - Nuclear Plant NORMS U.S. Nuclear Rerulatory Commission. Washin2 ton. D.C.

Mr. K. Jabbour, Licensing Project Manager - Hatch U.S. Nuclear Regulatory Commission. Recion 11 Mr. S. D. Ebneter, Regional Administrator Mr. L. D. Wert, Senior Resident Inspector - Hatch Utility Data Institute. Inc.

Mr. Fred Yost, Director Research Services HL-3399 000005

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I Enclosure 1 l Plant Hatch Unit 1 I NRC Docket 50-321 i Monthly Operating Report JJane 1993 1

Table of Contents Page Narrative Report El Operating D.7ta Report El-2 Average Daily Power Level El-3 Unit Shutdowns and Power Reductions El-4  !

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PLANT E. 1. HATCH - UNIT ONE DOCKET NO.: 50-321 DATE: JULY 6, 1993 NARRATIVE REPORT COMPLETED BY: R. M. BEARD TELEPHONE: (912) 367-7781 x2878 JUNE 1 0000 Shift continued to maintain rated thermal power.

JUNE 11 2305 Shift began reducing load to approximately 560 GMWe to Turbine Control Valve and Turbine Bypass Valve Testing. perform JUNE 12 0435 Shift began reducing load to approximately 510 GMWe to facilitate repair of the No. 3 Turbine Control Valve.

JUNE 12 0950 Shift began ascension to rated thermal power, JUNE 12 1452 Rated thermal power was attained.

JUNE 15 1455 An automatic reactor scram occurred on a false low reactor water level signal. The signal occurred when an instrument line to reactor level instrumentation depressurized after a packing nut for an instrument valve on the same sensing line became disengaged.

JUNE 16 1546 Shift began withdrawing control rods for unit startup.

JUNE 16 2132 Shift brought the reactor critical.

JUNE 1/ 0835 Shift tied the unit to the grid and began ascension to rated thermal power.

JUNE 18 0653 Rated thermal power was attained.

JUNE 26 1905 Shift began reducing load to approximately 440 GMWe to repair a crack in the above seat drain line for the No. 4 Turbine Control Valve.

JUNE 27 0430 Shift began ascension to rated thermal power.

JUNE 27 0840 Rated thermal power was attained.

JUNE 30 2400 Shift continued to maintain rated thermal power.

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OPERATING DATA REPORT DOCKET NO.: 50-321 DATE: JULY 6, 1993 COMPLETED BY: R. M. BEARD

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OPERATING STATUS

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

2. REPORT PERIOD: JUNE 1993

3. LICENSED THERMAL POWER (MWt : 2436

4. NAMEPLATE RATING (GROSS MWe : 850

5. DESIGN ELECTRICAL RATING N T MWe : 776.3

6. HAXIMUM DEPENDABLE CAPACI Y_ GROS MWe): 770

7. MAXIMUM DEPENDABLE CAPACITY NET MWe 737

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 4343 153382

12. NUMBER OF HOURS REACTOR WAS CRITICAL: 689.4 2904.4 113808.5

13. REACTOR RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

14. HOURS GENERATOR ON LINE: 678.3 2832.1 108872.6

15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

16. GROSS THERMAL ENERGY GENERATED (MWHt): 1607183 6722853 243469201

17. GROSS ELECTRICAL ENERGY GENERATED (MWHe): 508390 2140130 78286530

18. NET ELECTRICAL ENERGY GENERATED (MWHe): 484935 2034017 74472094

19. UNIT SERVICE FACTOR: 94.2% 65.2% 71.0%

20. UNIT AVAILABILITY FACTOR: 94.2% 65.2% 71.0%

21. UNIT CAPACITY FACTOR USING MDC NET : 91.4% 63.5% 64.8%

22. UNIT CAPACITY FACTOR USING DER NET : 86.8% 60.3% 62.2%

23. UNIT FORCED OUTAGE RA E: 5.8% 1.4% 12.1%

24. SHUIDOWNS SCHEDULED OVER THE NEXT 6 MONTHS (TYPE DATE AND DURATION OF EACH): NA 25.IFSHUTDOWNATENDOFREPORTPERIOD,ESTIMATEDDATEOF,STARTUP: NA

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

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ia PLANT E.-1. HATCH - UNIT ONE DOCKET NO.: 50-321 ,

DATE: JULY 6, 1993 AVERAGE DAILY POWER LEVEL COMPLETED BY:' R. M. BEARD TELEPHONE:~ (912) 367-7781 x2878 DAY Net MWe 1 .............. 742 -

2 .............. 742 3 .............. 742 4 .............. 739 5 .............. 739 6 .............. 739 7 .............. 739 8 .............. 740 9 .............. 741 ,

10 .............. ,740 11 .............. 735 12 .............. 616 13 .............. 739

14 .............. .739 4

15 .............. 452 16 .............. 0 17 .............. 149 18 .............. 680 19 .............. 737 20............... .740 21 .............. 738 ,

22 .............. 740 23 .............. 740 24 .............. 741 25 .............. 739 26 .............. 679 .

27 .............. 646 28 .............. 737 29 .............. 737' 30'.............. 737 q

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-321 DATE: JULY 6, 1993 UNIT NAME: E. I. HATCH - UNIT ONE COMPLETED BY: R. M. BEARD TELEPHONE: (912) 367-7781 x2878 REPORT MONTH: JUNE 1993 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 NO. DATE E (HOURS) N D NUMBER HE (SUBCODE) PREVENT RECURRENCE 93-005 930615 F 41.7 H 3 93-012 CH VALVEX An automatic reactor scram (F) occurred due to a false low reactor water level signal.

The signal occurred when an instrument line to reactor level instrumentation depressurized after a packing nut to an instrument valve on the same sensing line became disengaged The valve was repaired and similar valves on both units were checked for loose packing nuts which were tightened as appropriate.

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

F-FORCED 1-MANUAL REDUCTION IN AVERAGE S-SCHEDULED A-EQUIPMENT B-MAINTENANCE OR TESTFAILURE (EXPLAIN) 2-MANUAL DAILY SCRAM 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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Enclosure 2 Plant Hatch Unit 2 NRC Docket 50-366 Monthly Operating Report June 1993 Table of Contents Pane Narrative Report E2-1 Operating Data Report E2-2 Average Daily Power Level E2-3 Unit Shutdowns and Power Reductions E2-4 HL-3399

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PLANT E. I. HATCH - UNIT TWO DOCKET NO: 50-366 DATE: JULY 6, 1993 NARRATIVE REPORT COMPLETED BY: R. M. BEARD TELEPHONE: (912) 367-7781 x2878 JUNE 1 0000 Shift continued to maintain approximatley 670 GMWe to monitor offgas activity and fuel performance.

JI!NE 12 2200 Shift began reducing load to approximately 580 GMh's to perform Turbine Control Valve and Turbine Bypass Valve Testing.

JL,"r ' , 0126 Shift began ascension to 85% of rated thermal power.

JUNE 13 0500 Shift attained 85% of rated thermal power with load at approximately 670 GMWe.

JUNE 30 2400 Shift continued to maintain approximatley 670 GMWe to monitor offgas activity and fuel performance.

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c OPERATING DATA REPORT DOCKET N0: 50-366 DATE: JULY 6, 1993 COMPLETED BY: R. M. BEARD TELEPHONE: (912) 367-7781 x2878 OPERATING STATUS:

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

2. REPORTING PERIOD: JUNE 1993

3. LICENSED THERMAL POWER (MWt : 2436

4. NAMEPLATE RATING (GROSS MWe : 850

5. DESIGN ELECTRICAL RATING (N T MWe): 784

6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWe): 781

7. MAXIMUM DEPENDABLE CAPACITY (NET MWe 757

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): 85% of Rated Thermal Power

10. REASONS FOR RESTRICTION, IF ANY:

Management decision to monitor offgas activity and fuel performance.

THIS MONTH YEAR-TO-DATE CUMULATIVE

11. HOURS IN REPORTING PERIOD: 720.0 4343 121008

12. NUMBER OF HOURS REACTOR WAS CRITICAL: 720.0 3610.0 91476.3

13. REACTOR RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

14. HOURS GENERATOR ON LINE: 720.0 3502.4 87992.2

15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

16. GROSS THERMAL ENERGY GENERATED (HWHt): 1484237 7350657 194810830

17. GROSS ELECTRICAL ENERGY GENERATED (MWHe): 485300 2403500 63766870

18. NET ELECTRICAL ENERGY GENERATED (MWHe): 462523 2285039 60720023

19. UNIT SERVICE FACTOR: 100.0% 80.6% 72.7%

20. UNIT AVAILABILITY FACTOR: 100.0% 80.6% 72.7%

21. UNIT CAPACITY FACTOR USING MDC NET): 84.9% 69.5% 65.7%

22. UNIT CAPACITY FACTOR USING DER NET): 81.9% 67.1% 64.0%

, 23. UNIT FORCED OUTAGE RA E: 0.0% 19.4% 7.6%

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 E2-2

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1 PLANT E. I. HATCH - UNIT TWO DOCKET NO: . 50-366 DATE: JULY 6, 1993 I AVERAGE DAILY POWER LEVEL COMPLETED BY:~ R. M. BEARD TELEPHONE: (912) 367-7781 x2878 .,

DAY Net MWe 1 .............. 638 2 .............. 642 3 .............. 644 4..............- 645 5 .............. 642 6 .............. 640 7 .............. 644 8 .............. 644 9 .............. 644 10 .............. 643 11 .............. 642 12 .............. 638 '

13 .............. 632 14 .............. 643 ,

15 .............. 643 16 .............. 644 17 .............. 643 18 .............. 644 19 .............. 644 20 .............. 643 21 .............. 642 '

22 .............. 640 23 .............. 642 24 .............. 643 25 .............. 645 26 .............. 643 643 27 ..............

28 .............. 645 29 .............. 644 30 .............. .643 i

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET N0: 50-366 DATE: JULY 6, 1993 UNIT NAME: E. I. HATCH - UNIT TWO COMPLETED BY: R. M. BEARD TELEPHONE: (912) 367-778I x2878 REPORT MONTH: JUNE 1993 R H 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 No significant power reductions occurred this month.

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

F-FORCED 1-MANUAL REDUCTION IN AVERAGE S-SCHEDULED A-EQUIPMENT B-MAINTENANCE OR TESTFAILURE (EXPLAIN) 2-MANUAL DAILYSCRAM 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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