HL-2172, Monthly Operating Repts for Mar 1992 for Ei Hatch Nuclear Plant Units 1 & 2

Monthly Operating Repts for Mar 1992 for Ei Hatch Nuclear Plant Units 1 & 2

ML20095A314
Person / Time
Site:	Hatch
Issue date:	03/31/1992
From:	Beard R, Hairston W GEORGIA POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
HL-2172, NUDOCS 9204160249
Download: ML20095A314 (12)

Text

. _ _ _ _ - . _ . _ _ _ _ _ _ _ _ - - _ _ _ - _ _ _ - _ _ _ - - - - - _ - - - .

Gmy a Douu Co" prif 333 Fact g y c m.t A . :e e A*.yn'3 Ge v g]L] 30 M t

.*

• h i t .o a 04 Rb y-E L' .3 i 3; A.Wes

.O tr ,em i s Ce w Pw e,1, Post OH( e !$m 1 M fi 17 im Al mama E 't ,

e-4pf a 'e 205 l { 9 E'f,1

?4 +*

W. G tiairston,111 sen,r u eP.m ,

W ey Orc ar HL-2172 000116 April 13, 1992 U.S. Nuclear Regulctory Commission ATTN: Document Control Do;k Washington, D.C. 20555 PLANT HATCH - UNITS 1, 2 NRC 00CKETS 50-321, 50-366 OPERATING LICENSES DPR-57, NPF-5 t10NTHLY OPERATING REPORTS Gentlemen:

Enclosed are the March 1992 Monthly Operating Repor+.s for Edwin 1.

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,

,w_

y,,b,. /4 uwGA W. G. Hairston, 111 SRP/sp

Enclosures:

1. Monthly Operating P.eport for Plant Hatch Unit 1

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

9204160249 920331 rf PDR ADOCK 05000321 f' l

. 1 l R PDR g

i G:.

. .. g

, eolpa POiver G U.S. Nuclear Regulatory Commission April 13, 1992 Page Two c: Georaia Power Company Mr. H. L. dumner, General Manager - Nuclear Plant NORMS U.S. Ndear Reaulatory Commission. Washinaton. D.C.

Mr. K. Jabbour, Licensing Project Manager - Hatch 1 U.S. Nuclear Reaulaign C ommission. Reaion II Mr. S. D. Ebneter, Regional Administrator Mr. L. D. Wert, Senior Resident inspector - Hatch 4

HL-2172 00u116

. A

. ,a - ,

ENCLOSURE 1 PLANT HATCH UNIT 1 NRC DOCKET 50-321 MONTHLY OPERATING REPORT-March 1992 TABLE OF CONTENTS EA91 Narrative Report El-1 Operating Data Report El-2 Average Daily Power Level El-3 Unit Shutdowns and Power Reductions El-4 8

HL-2172 000116

/

PLANT E. I. HATCH - UNIT ONE COCKET-NO.:- 50-321 .-

DATE: APRIL 2 1992 <

NARRA1IVE REPORT COMPLETED BY: ,R. M. BEARD TELEPHONE: (912) 367-7781 x2678 MA'lCH 1 0000 Shift continued to maintain rated thermal power.

MARCH 6 2230 Shift h lan reducing load to approximately 600 GMWe to perform a Rod Sequence Exchange.

MARCH 7 0441 The unit was returned to rated thermal power. .

MARCH 20 2245 Shift began reducing load to approximately 650 GMWe.to.

Turbine Control Valve and Turbine Bypass Valve Testirg. perform MRCH 21 0213 The unit was returned to rated. thermal power.

MARCH 28 0432 The unit experienced an automatic reactor scram on low reactor water level when shift personnel mistakenly opened the supply breaker to 600V bus 18 resulting in a momentary loss of control power to the Reactor Feedwater Pumps.

MARCH 30 1200 Shift began pulling rods for unit startup.

MARCH 30 1835 The reactor became critical.

MARCH 31 1148 The unit was tied to the grid.

MARCH 31 1230 The unit was taken off line due to concerns with.the operation of the main t nnsformer.

MARCH 31 1911 The unit was placed.back on line, and ascension to rated thermal power was initiated.

MARCH 31 2400 -Shift continued activities for ascension to rated thermal power.

El-1 1

OPERATING DATA REPORT DOCKET NO.: 50-321 DATE: APRIL 2, 1992 COMPLETED BY: R. M. BEARD TELEPHONE: (912) 367-7781 x2878 OPERATING STATUS

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

2. REPORT PERIOD: MARCH 1992

3. LICENSED THERMAL POWER (HWt : 2436

4. NAMEPLATE RATING (GROSS MWe : 850

5. DESIGN ELECTRICAL RATINO (N T MWe): 776.3 ,

6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWe): 774

7. MAXIMUM DEPENDABLE CAPACITY 741

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

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

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

10. REASONS FOR RESTRICTION, IF ANY: N/A THIS MONTH YEAR-T0-DATE CUMULATIYE

11. HOURS IN REPORTING PERIOD: 744.0 2184 142439

12. NUMBER OF HOURS Rt' ACTOR WAS CRITICAL: 6G2.0 2122.0 104459.8

13. REACTOR RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

14. HOURS GENERATOR ON LINE: 658.1 2098.1 99691.1

15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

1590347 5091635 221598655

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

17. GROSS ELECTRICAL ENERGY GENERATED (MW 509320 486589 1637220 71343900

18. NET ELECTRICAL ENERGY GENERATED (MWHe): 1567264 67848190

19. UNIT SERVICE FACTOR: 88.4% 96,1% 70.0%

20. UNIT AVAILABILITY FACTOR: 88.4% 96.1% 70.0%

21. UNIT CAPACITY FACTOR USING MDC NET): 88.3% 96.8% 63.5%

22. UNIT CAPACITY FACTOR USING DER NET): 84.2% 91.4% 61.1%

23. UNIT FORCED OUTAGE v.4 E: 11.6% 3.9% 12.9%

24. SHUIDOWNS SCHE'ULE6 DVER 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 NO.:- 50-321

('

DATE: APRIL 2,-1992 AVERAGE DAILY POWER LEVEL COMPLETED BY:' R. M. BEARD

-TELEPHONE: (912)367-7781x2878 e

DAY Net MWe

-1 .............. 752 2 .............. 751 3............... 747 4 ..............- 746 ,

5 .............. 745 6..............- 736 7 .............. 716 8 .............. 747

-9 .............. 746 10 .............. 742 ,

11 .............. - 751-12 .............. '752-13 .............. '749 14'..............- 751 15 .....-.........- 750 16..............- 753 17 .............. 751.

18 .............. 747 19..............' 746

-20 .............. 745 21 .............. 745-22 .............. 751 23 .............. 749 24 . ............. 752 25 .............. 748 26 .............. '748- --

E7 .............. 748 _

28-.............. ~128 29.............. 0 30 ............ .. OL 31 ....'.......... 15

. - m El-3

u UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-321 DATE: APRIL 2, 1992 UNIT NAME: 2. I. HATCH - UNIT ONE COMPLETED BY: R. M. BEARD TELEPHONE: (912) 367-7781 x2878 REPORT MONTH: MARCH 1992 R H S E E Y T A T LICENSEE SC Y

^

S H EVENT T0 COMP 0NENT CAUSE & CORRECTIVE DURATICN 0 0 REPORT ED CODE ACTION T0 p N0. DATE E (HOURS) N D NUMBER HE (SUBCODE) PREVENT RECURRENCE 92-003 920328 F 79.3 G 3 1-92-009 EB CKRBXR Shift personnel mistakenly opened the supply breaker to 600V bus 18, causing a momentary loss of control lower to the Reactor eeduater Pumps. This resulted in an automatic reactor scram on low water level.

The 'nvolved individual were counseled and the (s) procedure governing tha

• l activity in progress was revised to require tagging of the affected control switches92-004 920331 F 6.6 B 1 N/A EA TRANSF The unit was taken off line when a " Combustible Gts" alarm for the main trans-former was recieved.

. Investigation and oil samples showed no combustibles present.

TYPE: REASON: METHOD: EVENTS REPORTED INV0i.VE A GREATER THAN 20%-

F-FORCED A-EQUIPMENT FAILURE (EXPLAIN) 1-HANUAL -REOUCTION IN AVERAGE S-SCHEDULED B-MAINTENANCE OR TEST 2-KANUAL SCRAP DAILY POWER LEVEL FOR C-REFUELING 3-AUTOMATIC SCRAM THE PRECEDING 24 HOURS. 3 D-REGU;" TORY RESTRICTION 4-CONTINUATIONS E-0PERA:CR TRAINING & LICENSE 5-LOAD REDUCTION F-ADMINISTRATIVE 9-0THER (EXPLAIN)

G-0PERATIONAL ERROR (EXPLAIN)

H-0THER (EXPLAIN)

El-4 I

ENCLOSURE 2 PLANT HATCH UNIT 2 NRC DOCKET 50-366 MONTHLY OPERATING REPORT Maren 1992 TABLE OF CONTENTS E191 Narrative Report E2-1 Operating Data Report E2-2 Average Daily Power Level. E2-3 Unit Shutdowns and Power Reductions E2-4 n

b e

1 HL-2172 000116

r PLANT E. I. HATCH - UNIT TWO DOCKET NO: 50-366 DATE: APRIL 2, 19?2 NARRATIVE REPORT COMPLETED BY:' R. M. BEARD TELEPHONE: (912) 367-7781 x2878 MARCH 1 0000 Shift continued to maintain rated thermal power.

MARCH 21 2306 Shift began reducing load to approximately 700 GMWe to Turbina Control Valve and Turbine Bypass Valve Testing.' perform MARCH 22 0143 The unit was returned to rated thermal power.

MARCH 31 2400 Shift continued to maintain rated thermal power,

. v e

w E2-1 J

OPERATING DATA REPORT DOCKET NO: 50-366 i

DATE: 1992 COMPLETED BY: APRIL 2'R. M. BEARD OPERATING STATUS:

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

2. REPORTING PERIOD: MARCH 1992 MWt : 2436

3. LICENSED

4. NAMEPLATE THERMAL RATING (GROSS F0WER (MWe : 850 e

5. DESIGN ELECTRICAL RATING N T MWe : 784

6. MAXIMUM DEPENDABLE CAPACI Y GROS MWe): 799

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 LFVEL TO WH!.CH RESTRICTED, IF ANY (NET MWe): NO RESTRICTIONS

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

11. HOURS IN REPORTING PERIOD: 744.0 2184 110065

12. NUMBER OF H0'JRS REACTOR WAS CRITICAL: 744.0 2080.8 82942.3

13. REACTOR RESERVE SHU100WN HOURS: 0.0 0.0 0.0

14. HOURS GENERATOR ON LINE: 744,0 2018.4 79838.0

15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

1809864 4802171 176959309

16. CROSS THERMAL ENERGY GENERATED (MWHt)He

17. GROSS ELECTRICAL ENERGY GENERATED (MW 588770 1560760 57998880

18. NET ELECTRICAL ENERGY GENERATED (MkHe):):

19. UNIT SERVICE FACTOR:

564299 1493948 55240362 100.0% 92.4% 72.5%

20. UNIT AVAILABILITY FACTOR: 100.0% 92.4% 72.5%

21. UNIT CAPACITY FACTOR USING MDC NET : 99.1% 89.4% 65.7%

22. UNIT CAPACITY FACTOR USING DER NET : 96.7% 87.3% 64.0%

23. UNIT FORCEO OUTAGE RA E: 0.0% 1.4% 7.3%

24. SHUTDOWNS SCHEDULED OVER THE NEXT 6 MONTHS (TYPE DATE, AND DURATION OF EACH): NA 25.IFSHUTD0VNATENDOFREPORTPERIOD,ESTIMATEDDATEOFSTARTUP: HA

26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION): N/A 52-2 i

PLANT E. 1. HATCH - UNIT'TWO DOCKET NO: 50-366 DATE: APRIL 2.-1992 AVERAGE DAILY POWER !.EVEL COMPLETED BY:' R. M. BEARD TELEPHONE:- (912) 367-7781 x2878  ;*

DAY Net MWe 1 .............. 761 2 .............. 757-3 .............. 757 4:..............- 757 5 .............. 754 '

6 ........... .. -752 7 .............. 753 8 .... ......... 753 9:.............. 758 10 .............. 754 11 .............. 766 12 .............. 764 13 .............. 763 14 .............. 761.

15 .............. 760 16............... 763 17 ............... 763 18 .............. '756  ;

19 .............. 754 20 .............. 761 21 .............. 760 22 ..............- 755 23 .............. 756 24 .............. 762 25 .............. '757 26 .............. 757 27 .............. 757

-28 .............. 764

-29 .............. 762 30 .............. 758 31 .............. 758'

-E2-3 l

r

UNIT SHUTDOWNS AND POWER REDUCTICNS DOCKET NO: 50-366 DATE: APRIL 2, 1992 UNIT NAME: E. I. HATCH - UNIT TWO COMPLETED BY:' R. M. f.EARD TEL MONE: (912) 367-7781 x2878 REPORT MONTH: MARCH 1992 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 M E. PREVENT RECURRENCE (SUBCODE)

No significant power reductions this month.-

I l  !

i I

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 GR-TEST 2-MANUAL' SCRAM . DAILY POWER LEVEL FOR-C-REFUELING 3-AUTOMATIC SCRAM THE PRECEDING 24 HOURS.

D REGULATORY RESTRICTION 4-CONTINUATIONS-E-OPERAT0R TRAINING & LICENSE 5-LOAD REDUCTION F-ADMINISTRATIVE 9-0THER (EXPLAIN)

G-OPERATIONALERROR(EXPLAIN)

H-0THER (EXPLAIN)

E2-4

. .. .. . - - - _ _ _ - _ _ _ _