HL-5475, Monthly Operating Repts for Aug 1997 for Ei Hatch Nuclear Plant,Units 1 & 2

Monthly Operating Repts for Aug 1997 for Ei Hatch Nuclear Plant,Units 1 & 2

ML20216G128
Person / Time
Site:	Hatch
Issue date:	08/31/1997
From:	Shannon Rogers, Sumner H SOUTHERN NUCLEAR OPERATING CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
HL-5475, NUDOCS 9709120222
Download: ML20216G128 (12)

Text

- . . - - .

• Southern Nuclear

.. Lawls Sunner

' Operating Company, lac.

} Vce President Hatch Pioject Support 40 invenus Padwet L '

I Post Office Box 1295 Bamingham, Alatema 352til

• I _ lel 205.992 7219 fex 205992.0341 SOUTHERN h COMPANY September 5, 1997 Docket Nos. 50 321 50-366 HL-5475 U. S. Nuclear Regulatory Commission l ATTN: Document Control Desk

-Washington, D. C. 20555 Edwin I. Hatch Nuclear Plant Monthly Occratine Reports Gentlemen:

Enclosed are the August 1997 hionthly 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 Technical Specifications requirements.

Sincerely,

.h H. L. Sumner, Jr.

CLT/eb di

Enclosures:

6E

/

1. August Monthly Operating Report for Plant Hatch Unit 1

2. August Monthly Operating Report for Plant Hatch Unit 2  !

cc: Southern Nuclear Operatine Company Mr. P. H. Wells, Nuclear Plant General Manager g 5 NORMS U. S. Nuclear Reeulatory Commission. Washincton D. C.

Mr. N. B. Le, Project Manager - Hatch U. S. Nuclear Reentatory Commission. Reelon 11 Mr. L. A. Reyes, Regional Administrator h Mr. B. L. Holbrook; Senior Resident Inspector - Hatch Utilitv Data Institute. Inc.

Ms. Barbara Lewis - McGraw Hill Companies '

.,,... I 9709120222 970831 PDR ADOCM 05000321 R PDR _g

Enclosure 1

. .A Plant 11atch Unit 1 Monthly Operating Report Aunust 1997 Table of Contents Eagc 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: SEPTEMBER 2,1997

'A NARRATIVE REPORT COMPLETED BY: S.B. ROGERS TELEPHONE: (912) 367-7781 x2878 AUGUST 1 0000 Shift continued to maintain rated thermal power.

AUGUST 3 1540 Shift began reducing load to approximately 735 GMWe due to cycling il Main Turbine Control Valve No. 4. Investigation determined that the "B" Pressure Regulator was faulty.

AUGUST 3 2103 Shift began further reducing load to approximately 605 GMWe to swap centrol from the "B" to the "A" Pressure Regulator.

AUGUST 3 2330 Shift began ascension to rated thermal power.

AUGUST 4 0227 The unit attained rated thermal power.

AUGUST 7 0537 Shift began reducing load to approximately 825 GMWe due to the Process Computer and the Core Thermal Power program being out of service.

AUGUST 7 0735 Shift began ascension to rated thermal power.

AUGUST 7 0747 The unit attained rated thermal power.

AUGUST 8 2003 Shift began reducing load to approximately 825 GMWe to perform Control Rod Drive Exercises on selected control rod drives.

AUGUST 8 2036 Shift began ascension to rated thermal power.

AUGUST 8 2047 The unit attained rated thermal power.

AUGUST 8 2225 Shift began reducing load to approximately 830 GMWe due to the Process Computer and the Core Thermal Power program being out of service.

AUGUST 8 2310 Shift began ascension to rated thermal power.

AUGUST 8 2316 The unit attained rated thermal power.

AUGUST 15 2125 Shift began reducing load to approximately 800 GMWe to perform Control Rod Drive Exercises on selected control rod drives.

AUGUST 15 2239 Shift began ascension to rated thermal power.

AUGUST 15 2255 The unit attained rated thermal power.

AUGUST 16 0311 Shift began reducing load to approximately 805 GMWe to perform Control Rod Drive Exercises on selected control rod drives.

AUGUST 16 0324 Shift began ascension to rated thermal power.

AUGUST 16 0343 The unit attained rated thermal power.

E1-1a

PLANT E.1. HATCH - UNIT ONE DOCKET NO.: 50-321 DATE: SEPTEMBER 2,1997 l '

NARRATIVE REPORT COMPLETED BY: S.B. ROGERS TELEPHONE: (912) 367 7781 x2878 AUGUST 23 0000 Shift began reducing load to approximately 625 GMWe to perform a Rod Pattern Adjustment and Control Rod Drive Exercises on selected control rod drives.

AUGUST 23 0320 Shift began ascension to rated thermal power. Fuel preconditioning measures were implemented to prevent fuel degradation during ascension.

AUGUST 23 1750 The unit attained rated thermal power.

AUGUST 31 2400 Shift continued to maintain rated thermal power.

e E1-1b

l- s l

OPERATING DATA REPORT DOCKET NO.: 50-321 DATE: SEPTEMBER 2,1997

. COMPLETED BY: S. B. ROGERS WLEPHONE: (912) 367-7781 x2878 OPERATING STATUS

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

2. REPORT PERIOD: AUGUST 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. lF 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: 744.0 5831 189934

12. NUMBER OF HOURS REACTOR WAS CRITICAL: 744.0 5738.1 147970.9

13. REACTOR RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

14. HOURS GENERATOR ON LINE: 744.0 5710.0 142038.1

15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

16. GROSS THERMAL ENERGY GENERATED (MWHt): 1892959 14513442 324828118

17. GROSS ELECTRICAL ENERGY GENERATED (MWHe): 614214 4741303 104604025

18. NET ELECTRICAL ENERGY GENERATED (MWHe): 587683 4546599 99630009

19. UNIT SERVICE FACTOR: 100.0  % 97.9 % 75.1 %

30. UNIT AVAILABILITY FACTOR: 100.0  % 97.9% 75.1 %

21. UNIT CAPACITY FACTOR (USING MDC NET): 98.7% 97.5% 69.6%

22. UNIT CAPACITY FACTOR (USING DER NET): 96.1 % 94.8 % 67.2 %

33. UNIT FORCED OUTAGE RATE: 0.0% 0.0% 9.8%

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

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

25. IF SHUTDOWN AT END OF REPORT PERIOD, ESTlMATED DATE OF STARTUP: N/A

20. UNITS IN T ST STATUS (PRIOR TO COMMERCIAL OPERATION): N/A e

E1-2

i PLANT E. l. HATCH - UNIT ONE DOCKET NO.: 50-321 DATE: SEPTEMBER 2,1997 AVERAGE DAILY POWER LEVEL COMPLETED BY: S. B. ROGERS TELEPHONE: (912) 387-7781 x2878 AUGUST 1997 DAY NeUAWe 1 . .. . ........ . . . . . . 799 2.... . . . , . . . . . . . . . . . . 704 3.... . . . . . . . . . . . . . . . . . . 747 4............................. 791 5............................. 791 6 ... . . . . . . . . . . . . 794 7 . . . . . .. . . . . . . . . . . . . . . . 794 8.......... . . . . . . . 797 9........... . . . . . . . . . 795 10 . . . . . . . 794

11. . . . . . . . . . .... 795 12 ... . . . . . . . . . . 792 13 . . . , . . . .. 792 14....................... 791 15......................... 788 16 .. . . . . . . . . . . . . . . . . . . 791 17............. . . . . . . . . . 791 f 18 ., . . . . . . . . . . . . 789

19. ....... ..... 790 20 . . . . . . . . . . 789

21. ..... ........ .. .. 793

22. . . 795 23 . . . . . . . . . . . . . . . . . . . . . 743

24. . . . . . . . 796 25 . . . . . . . . . . . . . . . . . . 799

26. . . . . .. 797

27. . . . . . . . . . . . . 795 28.,..... . . . . . . . . 793

29. . . . . . . .. . .

793 30.... ... . .. . . . . 790

~

31 . . . . . . ., 788 E1-3

- UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET No.: 50-321 DATE: SEPTEMBER 2,1997 UNIT NAME: E. l. HATCH - UNIT ONE COMPLETED BY: S B. ROGERS TELEPHONE: (912) 367 7781 x2876 REPORT MONTH: AUGUST 1997 R M S E E Y T A T LICENSEE SC Y S H EVENT TO COMPONENT CAUSE & CORRECTIVE P DURATION O O REPORT ED CODE ACTION TO N O._ DATE E _(HOURS) N D. NUMBER ME (SUBCODE) PREVENT RECURRENCE No significant power reductions occurred this month.

I TYPE: REASON: METHOD; EVENTS REPORTED INVOL~ E A GREATER THAN 20%

F FORCED A EQUIPMENT FAILURE (EXPLAIN) 1-MANUAL REDUCTION IN AVERAGE S4CHEDULED B-MAINTENANCE OR TEST 2 MANUAL SCRAM DAILY POWER LEVEL FOR C-REFUELING 3 AUTOMATIC SCRAM THE PRECEDif ,24 HOURS.

0-REGULATORY RESTRICTION 4-CONTINUATIONS E OPERATOR TfU 'NING & LICENSE 5. LOAD REDUCTION F. ADMINISTRATIVE 9-OTHER (EXPLAIN)

G-OPERATIONAL ERROR (EXPLAIN)

H-OTHER (EXPLAIN)

E1-4

.. p Enclosure 2 -

Plant Hatch Unit 2 Monthly Operating Report Aunust 1997 Table of Contents P_ age Narrative Report E2-1 Operating Data Report E2-2 Average Daily Power Level E2-3 Unit Shutdowns and Power Reductions E2-4 l

-I

PLANT E. l. HATCH - UNIT TWO DOCKET NO.: 50-366 DATE: SEPTEMBER 2,1907

' NARRATIVE REPORT COMPLETED BY: S. B. ROGERS TELEPHONE: (912) 367-7781 x2878 ,

AUGUST 1 0000 Shift continued to maintain rated thermal power,

- AUGUST 7- 0545 Shift began reducing load to approximately 835 GMWe due to the Process

- Computer and the Core Thermal Power program being out of service.

AUGUST 7 0715 Shift began ascension to rated thermal power.

AUGUST 7 - 0740 The unit attained rated thermal power.

AUGUST 31 2400 Shift continued to maintain rated thermal power.

i:

Y E2-1

OPERATING DATA REPORT DOCKET NO.: 50-366 DATE: SEPTEMBER 2,1997

• - COMPLETED BY: S.B. ROGERS TELEPHONE: (912) 367-7781 x2878 OPERATING STATUS

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

2. REPORT PERIOD: AUGUST 1997

3. LICENSED THERMAL POWER (MWt): 2553

4. NAMEPLATE RATING (GROSS MWe): 850

5. DESIGN ELECTRICAL RATING (NET MWe): 829.7

6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWe): 853

7. MAXIMUM DEPENDABLE CAPACITY (NET MWe): 818

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: 744.0 5831 157560

12. NUMBER OF HOURS REACTOR WAS CRITICAL: 744 0 4954.4 124113.1

13. REACTOR RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

14. HOURS GENERATOR ON LINE: 744.0 4887.4 120178.0

15. UNIT RESERVE SHUTDOWN HOURS: 0.0 0.0 0.0

16. GROSS THERMAL ENERGY GENERATED (MWHt): 1902348 12282672 270509406

17. GROSS ELECTRICAL ENERGY GENERATED (MWHe): 628337 4080799 88836262

18. NET ELECTRICAL ENERGY GENERATED (MWHe): 602151 3902604 84681766

19. UNIT SERVICE FACTOR: 100.0 % 83.8% 76.3%

20. UNIT AVAILABILITY FACTOR: 100.0 % 83.8 % 76.3%

21. UNIT CAPACITY FACTOR (USING MDC NET): 98.9% 81.8 % 69.8%

22. nNIT CAPACITY FACTOR (USING DER NET): 97.5 % 80.7 % 68.4 %

23. t., WIT FORCED OUTAGE RATE: 0.0% 1.4% 6.3%

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 I

l PLANT E.1. HATCH - UNIT TWO DOCKET NO.: 50-366 DATE: SEPTEMBER 2,1997 AVERAGE DAILY POWER LEVEL COMPLETED BY: S.B. ROGERS TELEPHONE: (912) 367 7781 x2878 AUGUST 1997 DAY Ne11AWa 1.......... . . . . . . . . 813 2........... . . . . . . . . . 809 3.................. . . . . . . . . . 808

4. . . . . ... 807

5. . . . . . . . . . . . . . . . 807 6........ . . . . . . . . . 808

7. .. . . . . . . . . . . 808 8.. . . . . . . . . . . . 811 9............... . . . . . . . . . 809 1 0 .. . . . . . . . . . .. . . . . . . . 808 11.......................... 807 12 . . . .. . . . . . . . . . . . . 810 13............................ 809 14 .. . . . . . . . . . . . . . . . . 800 15 .. . .. . . .. . . ... 807 16....................... 808 17 . . . . .. .. . . . .. 808 18 .. . .. . . . . 806 19............ . . . . . . . 806

20. ............ . . . . . . 806 21 .. . .. . . . . . . . . . . 809 22 .... . . . . . . . . . . . 814 23 ... . .. . . 812 24 . . . .. . . . . . . . . 812 25........ .. . . . . . 814

26. . . . . . . . . . . 814 27 .. . . . . .. . . . 813

28. .. . .. 811

29. . . . 809 30.. ..... .... .. 811

31. .. . . . . . . . . . .. 810 E2-3

UNIT SHUTDOWNS AND POWER REDUCTIONS . DOCKET NO.: 50-366

- DATE: SEPTEMBER 2,1997 UNIT NAME: E.1. HATCH - UNIT TWO COMPLETED BY: S. B, ROGERS TELEPHONE: (912) 367-7781 x2878 REPORT MONTH: AUGUST 1997 R M S E E Y T A T LICENSEE SC Y S H EVENT TO COMPONENT CAUSE & CORRECTIVE-P DURATION O O REPORT- ED CODE ACTION TO NO. DATE E (HOURS)- N D NUMBER ME (SUBCODE) PREVENT RECURRENCE No significant power reductions occurred this month.

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

F-FORCED A-EQUIPMENT 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)

E2-4