HL-1766, Monthly Operating Repts for Jul 1991 for Ei Hatch Nuclear Plant,Units 1 & 2

Monthly Operating Repts for Jul 1991 for Ei Hatch Nuclear Plant,Units 1 & 2

ML20077P125
Person / Time
Site:	Hatch
Issue date:	07/31/1991
From:	Beard R, Beckham J GEORGIA POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
HL-1766, NUDOCS 9108150267
Download: ML20077P125 (12)

Text

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1 HL-1766 000116 August 12, 1991 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555 PLANT HATCH - UNITS 1, 2 NRC DOCKETS 50 321, 50-366 OPERATING LICENSES DPR-57, NPF-5 MONTHLY OPERATING REPORTS Gentlemen:

Enclosed are the July 1991 Monthly Operating Ror "ts for Edwin 1.

Hatch Nuclear Plant - Unit 1 Docket No. 50-321, t.d Unit 2, Docket No. 50-366. These reports are submitted in accordance with the requirements of Technical Specifications Section 6.9.1.10.

Sincerely,

'O -

. T. Beckham, Jr.

SP.P/sp

Enclosures:

1. Monthly Operating Report for Plant Hatch - Unit 1

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

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9108150267 910731 nY e

PDR ADOCK 05000321 / I R FDR I

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GeolgillPOWer U.S. Nuclear Regulatory Commission August 12, 1991 Page Two c: Scorcia Power _ Company Mr. II. L. Sumner, General Manager Nuclear Plant Mr. J. D. Iloidt, Manager Engineering and Licensing - Ilatch NORMS LkS,._Huclear Re.gulatory Commission._Mashinoton. D.C.

Mr. K. Jabbour Licensing Project Manager - itatch U.S. Hurliar Regulatory Commission. Reaion 1.1 Mr. S. D. Ebneter, Regional Administrator Mr. L. D. Wert, Senior Resident inspector - Ilatch A

ill-1766 000116-l 7CMJ7 7%

ENCLOSURE 1 l i

PLANT HATCH UNIT 1 NRC DOCKET 50-321 MONTHLY OPERATING REPORT July 1991 TABLE OF CONTENTS P_iLqa Narrative Report El-1 Operating Data Report El-2 Average Daily Power Level El-3 Unit Shutdowns and Power Reductions El-4 l-l HL-1766.

000116

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PLANT E. I. HATCH - UNIT ONE DOCKET NO.: 50-321 DATE: AUGUST 5 NARRATIVE REPORT COMPLETED BY: k.1991 M. BEARD TELEPHONE: (912) 367-7781 x2878 JULY 1 0000 Shift continued to maintain rated thermal power.

JULY 12 2200 Shift began reducing load to approximately 690 GMWe to perform Turbine Control Valve and Turbine Bypass Valve Testing.

JULY 13 0050 Shift began returning the unit to rated thermal power.

JULY 13 0120 The unit attained rated thermal power.

JULY 31 2400 Shift continued to maintain rated thermal power.

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4 OPERATING DATA REPORT DOCKET NO.: 50-321 DATE: AUGUST 5 COMPLETED BY: k.1991 M. BEARD

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OPERATING STATUS

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

2. REPORT PERIOD: JULY 1991 PWt : 2436

3. LICENSED

4. NAMEPLATE THERMAL RATING (GROSS POWER (MWe : 850 l

5. DESIGN ELECTRICAL RATING N T MWe : 776.3  !

6. MAXIMUM DEPENDABLE CAPACI Y GROS MWe): 774

7. MAXIHUM DEPENDABLE CAPACITY NET MWe 741

8. IF CHANGES OCCUR IN CAPACITY RATINGS):

(ITEMS 3 THROUGH 7) SINCE LAST REPORT, GIVE REASONS: NO CHANCi.S

9. POWER LEVEL TO WHICH RESTRICTED, if ANY (NET MWe): NO RESVRICTIONS

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

11. HOURS IN REPORTING PERIOD: 744,0 5087 136582

12. NUMBER OF HOURS REACTOR WAS CRITICAL: /44.0 4808.3 100355.8

13. REACTOR RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

14. HOURS GENERATOR ON LINE: 744.0 4755.2 95815.3

15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

1810128 11384534 212297982

16. GROSS THERMAL ENERGY GENERATED

17. GROSS ELECTRICAL ENERGY GENERATED (MW 568050 (MWHt)He): 1613780 68383640

18. NEI ELECTRICAL ENERGY GENERATED (HWHe): 542856 3453039 65033207

19. UNIT SERVICE FACTOR: 100.0% 93.5% 70.2%

20. UNIT AVAILABILITY FACTOR: 100.0% 93.5% 70.2%

21. UNIT CAPACITY FACTOR USING MDC NET : 98.5% 91.6% 63.5%

22. UNIT CAPACITY FACTOR USING DER NET : 94.0% 87.4% 61.0%

23. UNIT FORCED OUTAGE RA E: 0.0% 6.5% 13.1%

24. SHUTDOWNS SCHEDULED Refuelin Outage: OVER THE Tentativel NEXT 6 MONTHS (d for Schedule SeatemberTYPE, 18, 1951; .'< Oays):DATE, AND DU

25. IF SHUTDOWN A END OF REPORT PERIO ESTIMATED DATE OF STARTUP: N/A 26.UNITSINTESTSTATUS(PRIOR 10COMMERCIALOPERATION):

. N/A L

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PLANT E. I. HATCH - UNIT ONE DOCKET NO.: 50-321 DATE: AUGUST 5 AVERAGE DAILY POWER LEVEL COMPLETED BY: k.1991 M. BEARD TELEPHONE: (912) 367-7781 x2878 DAY Net MWe 1 .............. 729 2 .............. 729 3 .............. 727 4 .............. 728 5 .............. 721 6 .............. 731 7 .............. 727 8 .............. 734 i l

9 .............. 730 10 .............. 730 11 .............. 730 12 .............. 722 i 13 .............. 725 14 .............. 729 15 .............. 731 16 .............. 732 1 17 .............. 732 18 .............. 731 19 .............. 730-20 .............. 730 21 .............. 731 22 .............. 731 23 .............. 727 24 .............. 729 25 .............. 732 26 .............. 730 27 .............. 731-28 .............. 728 29 .............. 729 30 .............. 730 31 .............. 733 El-3

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-321 i DATE: AUGUST 5 -

UNIT NAME: E..l. HATCH - UNIT ONE COMPLETED BY: k.1991 M. BEARD ,

TELEPHONE: (912) 367-7781 x2878 REPORT MONTH: JULY 1991 ,

'R H 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 No significant power reductions occurred this-month.

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

F-FORCED 1-MANUAL- REDUCTION IN AVERAGE

S-SCHEDULED A-EQUIPMENTFAILURE(EXPLAIN)2-MANUALSCRAM B-MAINTENANCE OR TEST DAILY POWER-LEVEL FOR C-REFUELING 3-AUTOMATIC SCRAM THE PRECEDING 24 HOURS..

D-REGULATORY RESTRICTION. 4-CONTINVATIONS 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 daly_1191 TABLE OF CONTENTS EA92 Narrative Report E2-1 Operating Data Report E2-2 Average Daily Power level E2-3 Unit Shutdowns and Power Reductions E2-4 HL-1766 000116

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PLANT E. 1. HATCH - UNIT TWO DOCKET NO: 50-366 DATE: AUGUST 5 NARRATIVE REPORT COMPLETED BY: k.1991 M. BEARD TELEPHONE: (912) 367-7781 x2878 JULY l 0000 Shift continued to maintain rated thermal power.

JULY '/ 1622 Shift began reducing 1. -d to maintain an appropriate amount of vacuum in the Main Cr kss r when air in-leakage levels began ee to a hole in the Discharge Bellows increasingRaactorisignifict of the "B *

,atv ump Turbine. Load was reduced to approxinutoiy 450 GMWe, and the hole in the Discharge Bellows was repaired.

JULY 9 1210 Shift began returning the unit to rated thermal power.

JULY 9 1550 The unit attained rated tiiermal power.

JULY 13 2305 Shift began reducing load to approximately 690 GMWe to Turbine Control Valve and Turbine Bypass Valve Testing perform JULY 14 0205 Shift began returning the unit to rated thermal power.

JULY 14 03:5 The unit attained rated thermal power.

JULY 31 2400 Shift continued to maintain rated thermal power.

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OPERATING DATA REPORT DOCKET NO: 50-366 DATE: AUGUST 5 COMPLETED BY: k.1991 M. BEARD

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OPERATING STATUS:

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

2. REPORTING PERIOD: JULY 1991 i

3. LICENSED THERMAL POWER (MWt : 2436

4. NAMEPLATE RATING (GROSS MWe : 850 i

5. DESIGN ELECTRICAL RATING N T MWe : 784

6. MAXIMUM DEPENDABLE CAPACI Y GROS MWe): 794

7. MAXIMUM DEPENDABLE CAPACITY NET MWe 761

8. IF CHANGES OCCUR IN CAPACITY RATINGS):

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

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

l 10. REASONS FOR RESTRICTION, IF ANY: N/A 1

l THIS MONTH YEAR-TO-DATE CUMULATIVE 1

11. HOURS IN REPORTING PERIOD: 744.0 5087 104208

12. NUMBER OF HOURS REACTOR WAS CRITICAL: 744.0 3105.8 77188.5 l l

13. REACTOR RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0  !

14. HOURS GENERATOR ON LINE: 744.0 2984.6 74146.6 l 15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0 l l

1766784 6950438 163244031 l-

16. GROSS THERMAL ENERGY GENERATED

17. GROSS ELECTRICAL ENERGY GENERATED (MW 570430 (MWHt)He):

2256060 53535680 i

18. NET ELECTRICAL ENERGY GENERATED (MWHe): 545543 2140991 50965106 l

19. UNIT SERVICE FACTOR: 100.0% 58.7% 71.2%

l 20. UNIT AVAILABILITY FACTOR: 100.0% 58.7% 71.2% 1

! 21. UNIT CAPACITY FACTOR USING MDC NET : 96.4% 55 3% 64.0%

22. UNIT CAPACITY FACTOR USING DER NET : 93.5% 53,7% 62.4%

23. UNIT FORCED OUTAGE RA E: 0.0% 9.4% 7.7%

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24.SHUTDOWNSSCHEDULEDOVERTHENEXTSIXMONTHS(TYPE

25. IF SHUTDOWN AT END OF REPORT PERIOD, ESTIhATED DAT OF [DATE,ANDDURATIONOFEACH):

STARTUP: N/A N/A I

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

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PLANT E. I. HATCH - UNIT TWO DOCKET NO: 50-366 DATE: AUGUST 5 AVERAGE DAILY POWER LEVEL COMPLETED BY: k.1991 M. BEARD TELEPHONE: (912) 367-7781 x2878 DAY Net HWe 1 .............. 756 2 .............. 756 3 .............. 752 4 .............. 753 5 .............. 755 6 .............. 756 7 .............. 659 8 .............. 421 9 .............. 559 10 .............. 749 11 .............. 750 12 .............. 749 13 .............. 746 14 .............. 742 15 .......... ... 754 16 .............. 754 17 .............. 755 18 .............. 755 19 .............. 753 20 .............. 751 21 .............. 752 22 .............. 751 23 .............. 150 24 .............. 750 25 .............. 753 26 .............. 758 27 .............. 761 28 .............. 760 29 .............. 756 30 .............. 757 31 .............. 760 E2-3 1

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO: 50-366 DATE: AUGUST 5 UNIT NAME: E. I. HATCH - UNIT TWO COMPLETED BY: k.1991 M. BEARD TELEPHONE: (912) 367-7781 x2878 REPORT HONTH: JULY 1991 R H 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 91-006 910707 F 0.0 B 5 N/A HH PIPEXX A hole in the Discharge (E) Bellows of the "B" Reactor Feed Pump Turbine caused an increase in the amount of air in-leakaga into the tc.areby Main Condenser,bility affecting the a to maintain vacuum at full power.

Load was reduced, and a patch was placed over the hole in the Discharge Bellows.

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

F-FORCED A-EQUIPMENT FAILURE (EXPl.AIN) 1-MANUAL REDUCTION IN AVERAGE S-SCHEDULED B-MAINTENANCE OR TEST 2-MANUAL SCRAM DAILY POWER LEVEL FOR C-REFUELING 3-AU10MATIC SCR a THE PRECEDING 24 HOURS.

D-REGULATORY RESTRICTION 4-CONTINVAT10NS E-0PERATOR TRAINING & LICENSE 5-LOAD REDUCTION F-ADMINISTRATIVE 9-0THER (EXPLAIN)

G-0PERATIONAL ER90R (EXPLAIN)

H-0THER (EXPLAIN)

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