HL-5447, Monthly Operating Repts for July 1997 for Edwin I Hatch Nuclear Plant,Units 1 & 2

Monthly Operating Repts for July 1997 for Edwin I Hatch Nuclear Plant,Units 1 & 2

ML20217H550
Person / Time
Site:	Hatch
Issue date:	07/31/1997
From:	Shannon Rogers, Sumner H SOUTHERN NUCLEAR OPERATING CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
HL-5447, NUDOCS 9708130040
Download: ML20217H550 (11)

Text

'

Lewis Suniner Southern Nuclear Veen iostkwit **

Operating Company. lac.

Hatch hojuct Su;wt 40 invomess Pa4way Post Offeeiku 1795 thrmingham. Alabama 35201 Tol 2059'M 7?/9 iex 705 9'R.0341 SOUTHERN COMPANY August 5, 1997 I""D S'"' I'"' #I#

Docket Nos. 50 321 I

50-366 IIL 5447 l U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D. C. 20555 Edwin 1. Ilatch Nuclear Plant Monthly Operatine Menorts Gentlemen:

Enclosed are the July 1997 hionthly Operating Reports for Edwin 1. llatch Nuclear Plant Unit 1, Docket No. 50 321, and Unit 2, Docket No. 50-366. These reports are submitted in accordance with Technical Specifications requirements.

Sincerely, 61 bs+&

11. L. Sumner, Jr.

CLT/eb

Enclosures:

I

1. July hionthly Operating Report for Plant llatch Unit 1 -

2. July hionthly Operating Report for Plant 11atch Unit 2 Vp cc; Southern Nuclear Operatine Com;uny

~

hir. P. II. Wells, Nuclear Plant General hianager j NORhtS U. S. Nuclear Reentatory Commission. Washington D. C.

hir. N. B. Le, Project hinnager - Ilatch U. & Nuclear Reentatorv Commission. Reelon 11 hir. L. A. Reyes, Regional Administrator hir. B. L. Ilolbrook, Senior Resident inspector liatch 1a , Li'ility Data Institute. Inc.

' ' a o' n - ( hir. Fred Yost, Director - Research Services 9708130040 970731 PDR ADOCK 05000321 N '

• u 1

R PDR j

1:nclosure 1 Plant llatch Unit 1 Monthly Operating Report July 1997 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

PLANT E. l. HATCH UNIT ONE DOCKET NO.: 50 321 DATE: AUGUST 1,1997 NARRATIVE REPORT COMPLETED DY: S. D. ROGERS TELEPHONE: (912) 367 7781 x2878 JULY 1 0000 Shift continued to maintain rated thermal power.

JULY 18 2200 Shift began reducing load to approximately 610 GMWe to perform a Rod Pattern Adjustment, Control Rod Scram Time Testing, and l Turbine Control Valve Testing.

JULY 19 0438 Shift began ascension to rated thermal power.

JULY 20 0555 The unit attained rated thermal power, l

JULY 31 2400 Shift continued to maintain rated thermal power.

E1 1 l .

OPERATING DATA REPORT DOCKET NO.: 50 321 DATE: AUGUST 1,1997 COMPLETED BY: S. B. ROGERS TELEPHONE: (912) 367 7781 x2878 OPERATING STATUS

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

2. REPORT PERIOD: JULY 1997

3. LICENSED THERMAL POWER (MWt): 2558

4. NAMEPLATE RATING (GROSS MWe): 850

5. DESIGN ELECTRICAL RATING (NET MWe): 822.1 6 MAXIMUM DEPENDABLE CAPACITY (GROSS MWe): 835

7. MAXIMUM DEPENDABLE CAPACITY (NET MWe). 800

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

9. POWPR 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 5087 189190

12. NUMBER OF HOURS REACTOR WAS CRITICAL: 744.0 4994.1 147226.9

13. REACTOR RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

14. HOURS GENERATOR ON LINE: 744.0 4966.6 141894.1

15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

16. GROSS THERMAL ENERGY GENERATED (MWHt): 1891774 12620483 322935159

17. GROSS ELECTRICAL ENERGY GENERATED (MWHe): 612677 4127089 103989811

18. NET ELECTRICAL ENERGY GENERATED (MWHe): 586701 3958916 99042326

19. UNIT SERVICE FACTOR: 100.0 % 97.6 % 75.0 %

20. UNIT AVAILABILITY FACTOR: 100.0 % 97.6 % 75 0%

21. UNIT CAPACITY FACTOR (USING MDC NET): 98.6 % 97.3 % 69.5%

22. UNIT CAPACITY FACTOR (USING DER NET): 95.9% 94.7% 67.1 %

23 UNIT FORCED OUTAGE RATE: 0.0% 0.0% 9.9%

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

37 Day Refuehng Outage tentatively scheduled for October 11,1997.

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 E12

PLANT E, l. HATCH . UNIT ONE DOCKET NO.: 50 321 DATE: AUGUST 1,1997 AVERAGE DAILY POWER LEVEL COMPLETED BY. S. B. ROGERS TELEPHONE: (912) 367-7781 x2878 JULY 1997 DAY Not MWe 1 704

2. 793

3. 790

4. 700

5. . 793

6. 794

7. .

795

8. . 794

9. .. 793

10. 703 11 . 792 12 . 794 13.. . , 797 14 . . 795

15. . 704

16. . 793

17. 792

18. . 774

19. . 693

20. 789

21. 789 22 . 790

23. . . 788

24. . . 791

25. 790

26. 791

27. 792

28. . 792

29. 791

30. 701 31 800 E13

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-321 DATE: AUGUST 1,1997 UNIT NAME: E.1. HATCH UNIT ONE COMPLETED BY: S. B. ROGERS TELEPHONE: (912) 367 7781 x2878 REPORT MONTH: JULY 1997 RM S i .E E Y T- A T LICENSEE S C *

!Y .S H EVENT TO! COMPONENT: CAUSE & CORRECTIVE

. P DURATION ~ O O REPORT ED CODE ACTION TO NO. DATE E: (HOURS) ' N ! D NUMBER .M E; _(SUBCODE) PREVENT RECURRENCE

, No significant power i .

reductions occurred this month.

i i

i i

i TYPE. REASON. METHOD EVENTS REPORTED INVOLVE A GREATER THAN 20%

F-FORCED A.EOUIPMENT 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-OPERATOR TRAINING & LICENSE 5-LOAD REDUCTION F-ADMINISTRATIVE 9-OTHER (EXPLAIN)

G OPERATIONAL ERROR (EXPLAIN)

H-OTHER (EXPLAIN)

Ei-4

Enclosure 2 Plant llatch Unit 2 Monthly Operating Report July 1997 Table of Contents EARC

, Narrative Report E21 Operating Data Report E2 2 Average Daily Power Level E2 3 Unit Shutdowns and Power Reductions E2-4

t .

PLANT E. l. HATCH UNIT TWO DOCKET NO.: 50-366 DATE: AUGUST 1,1997 NARRATIVE REPORT COMPLETED BY: S. B. ROGERS i

TELEPHONE: (912) 367 7781 x2878

_ MJLY 1 0000 Shift continued to maintain rated thermal power.

L JULY 19 2300 Shift began reducing load to approximately 635 GMWe to perform a Control Rod Sequence Exchange, Control Rod Scram Time Testing, and Turbine Control Valve Testing. An adjustment was made to the limit switch on "C" Outboard Main Steam Isolation Valve (MSIV) while at reduced load.

JULY 20 1320 Shift began further reducing load to approximately 465 GMWe to remove o l

the 6th,7th, and 8th Stage "A" Feedwater Heaters from service, The heaters were removed from service to allow replacement of the relief j

valve on the 7th Stage "A" Feedwater Heater. The relief valve lifted during -

the prior load reduction and could r.ot be reseated.

JULY 21 0924 Shift began ascension to rated thermal power.

JULY 21 1824 The unit attained rated thermal pow 3r.

JU'.Y 31 2400 Shift c.ontinued to maintain rated thermal power.

9 E21

OPERATING DATA REPORT DOCKET NO.: 50 366 DATE: AUGUST 1,1997 COMPLETED BY: S. B. ROGERS TELEPHONE: (912) 367 7'81 x2878 OPERATING STATUS

' 1. UNIT NAME: E. l. HATCH - UNIT TWO

' 2. REPORT PERIOD: JULY 1997

3. LICENSED THERMAL POWER (MWt): 2558

4. NAMEPLATE RATING (GROSS MWe): 850

5. DESIGN ELECTRICAL RATING (NET MWe): 829.7

6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWe): 853 l 7. MAXIMUM DEPENDABLE CAPACITY (NET MWe): 818

, - 8. IF CHANGES OCCUR IN CAPACITY RATINGS l (ITEMS 3 THROUGH 7) SINCE LAST REPORT, GIVE REASONS: NO CHANGES i 9. POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MWe): NO RESTRICTIONS

10. REASONS FOR RESTP,tCTION,IF ANY: N/A THIS MONTH YEAR-TO-DATE CUMULATi . .

19. HOURS IN REPORTING PERIOD: 744.0 5087 156815

12. NUMBER OF HOURS REACTOR WAS CRITICAL: 744.0 4210.4 123369,1

13. REACTOR RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

14. HOURS GENERATOR ON LINE: 744.0 4143.4 119434.0

15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

- 16. GROSS THERMAL ENERGY GENERATED (MWHt)

1870915 10380324 268607058 17, GROSS ELECTRICAL ENERGY GENERATED (MWHe): 616957 3452462 88207925

18. NET ELECTRICAL ENERGY GENERATED (MWHe): 591290 3300453 84079615

99. UNIT SERVICE FACTOR: 100.0 % 81.5 % 76.2 %

20. UNIT AVAILABILITY FACTOR: 100.0 % 81.5 % 76.2 %

21. UNIT CAPACITY FACTOR (USING MCC NET): 97.2 % 79.3 % 69.6%

22. UNIT CAPACITY FACTOR (USING DER NET): 95.8 % 78.2 % 68.2 %

2' JNIT FORCED OUTAGE RATE: 0.0% 1.7% -6.4%

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 k

E2-2

PLANT E.1. HATCH - UNIT TWO COCKET NO.: 50 366 DATE: AUGUST 1,1997 AVERAGE DAILY POWER LEVEL COMPLETED BY: S. B. ROGERS TELEPHONE: ,)12) 367 7781 x2878 JULY 1997 DAY Net MWe

1. 809

2. 809

3. 807

4. 807

5. 810

6. . 813

7. 812

8. 811

9. 810

10. 809 11 809

12. 809

13. 814

14. 812

15. 811 i 16. 810

! 17. 810

18. 810 l

19. 801

20. 536

21. 646

22. 806

23. 806

24. 807

25. 807

26. 807

27. . 808

28. 807 29, 806

30. 806

31. 813 s

E2-3

• L,..

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-366 DATE: AUGUST 1,1997 UNIT NAME: E. l. HATCH - UNIT TWO COMPLETED BY: S. B. ROGERS TELEPHONE: (912) 367 7781 x2878 REPORT MONTH: JULY 1997 7 _ _ _ . ,

! lRlMl lS j  ;

l E!E! !Y ;  !

!T . A l T ! LICENSEE jS C i i

!Y !SiHj EVENT !TO COMPONENT .

CAUSE & CORRECTIVE lP DURATION!O jO! REPORT 'E D: CODE ACTION TO

._;NO.4.DATE }.E;_JHOURS)j N.j D [NUMBERjM E[(SUBCODE) PREVENT RECURRENCE l l ; !  !

' i

I i  !  ;

97 006 970719 , S 0.0 !Bi5l N/A lRC FUELXX  ; Shift reduced load to approximately j l , ;635 GMWe to perform a Control Rod l-  !RB, CRDRVE l Sequence Exchange, Control Rod j t '

!'  ! ,  : iScram Time Testing, and Turbine  :

) j HA } VALVOP  ! Control Valve Testing. The limit '

i  !  ! i (C) iswitch on "C" Outboard MSIV was

! !also adjusted while at reduced load.

.  ! )

!;i ;CDi INSTRU  !

1

} l +

(S) l I  ;

i '97-007 ' 970720 j F 0.0 N/A lAl5l { HH ] VALVOP l Shift reduced load to approximately l (J) ;465 GMWe to remove the 6th,7th,

' l iand 8th Stage "A' Feedwater l l'  ; Heaters from service to replace

! i

the relief valve on the 7th Stage "A" l  !  !

=!

iFeedwater Heater. The relief valve >

{ {  ! l _

l lifted during the above load reduction j  ;! i  ! ((97-006) and could not be reseated. !

I  !  !

iThc relief valve was replaced and j }i + <

[the unit was returned to rated  !

j i

! thermal power, i t L_ _ _ a L - . . _ . . - - _ __ _ . _ .

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

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

D-REGULATORY RESTRICTION 4-CONT;NUATIONS E OPERATOR TRAINING & LICENSE 5-LOAD REDUOTION F-ADMINISTRATIVE 9-OTHER (EXPLAIN)

G-OPERATIONAL ERROR (EXPLAIN)

H4THER (EXPLAIN)

E2-4 s

ok..