ML20215D351

Monthly Operating Rept for Jul 1986

ML20215D351
Person / Time
Site:	Hatch
Issue date:	07/31/1986
From:	Gucwa L, Kilroy T GEORGIA POWER CO.
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
SL-1125-C, NUDOCS 8610140100
Download: ML20215D351 (10)

Text

n ENCLOSURE NARRATIVE REPORT UNIT 1 July 1st 0000 Unit maintaining approximately 99% Rated Thermal Power (RTP).

July 2nd 0315 Reduced load via recirc. flow decrease in response to feedwater/ condensate system problems.

July 2nd 0415 Unit back at rated Maximum Dependable Capacity (MDC).

July 5th 0030 Reduced load for weekly turbine testing.

July 5th 0215 Unit back at rated MDC.

July 13th 1233 Load reduction in progress due to "B" loop recirculation pump trip.

July 13th 2200 Unit back to rated MDC.

July 19th 2320 Load reduction due to weekly turbine testing.

July 20th 0015 Turbine testing complete; Unit back at rated MDC.

July 20th 0107 Reactor Feed Pump Turbine (RFPT) "A" tripped due to hydraulic problems.

July 20th 0155 Unit at rated power following return of RFPT "A" to service.

July 23rd 1000 Load reduction due to "A" RFPT trip.

July 23rd 2220 Unit back to rated MDC July 23rd 2300 Load reduction due to the "B" loop recirc. MG set scoop tube trip.

July 24th 2300 Unit back to rated power.

, July 27th 0145 Load reduction for weekly turbine testing.

July 27th 0400 Unit back at rated power.

July 31st 2400 Unit at 780 GMWE and 2436 CMWT. No major equipment

. problems.

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8610140100 860731 'jf PDR ADOCK 05000321 R PDR

ENCLOSURE (Ccntinusd) .-

OPERATING DATA REPORT

• UNIT 1 -

DOCKET NO.:. 50-321 DATE: 08-10-86 COMPLETED.BY: Tom Kilroy TELEPHONE: (912) 367-7851 x 2882 OPERATING STATUS

1. Unit Name: E. I. Hatch Nuclear Plant Unit l-

2. Reporting Period: 07-86

3. Licensed Thermal Power (MWt): 2436

4. Nameplate Rating (Gross MWe): 809.3 5 Design Electrical Rating (Net MWe): 777.3

6. Maximum Dependable Capacity (Gross MWe): 801.2

7. Maximum Dependable Capacity (Net MWe): 768.0

8. If changes occur in capacity ratings (Item Numbers 3 through 7) since last report, give reasons: N/A

9. Power level to which restricted, if any (Net MWe): No Restrictions

10. Reasons for restrictions, if any: N/A This Month Yr-t o-Dat e Cumulative

11. Hours In Reporting Period 744 5087 92758

12. Number of Hours Reactor was Critical 744.0 2055.1 64181.4

13. Reactor Reserve Shutdown Hours 0 0 0

14. Hours Generator On Line 744.0 1770.4 60331.5

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWh) 1782168 3952824 128584314-

17. Gross Electrical Energy Generated (MWh) 574690 1264890- 41507020

18. Net Electrical Energy Generated (MWh) 549811 1184346 39398434

19. Unit Service Factor (%) 100.0 34.8 65.0

20. Unit Availability Factor (%) 100.0 34.8 65.0

21. Unit Capacity Factor -(% Using MDC Net) 96.2 30.3 55.3

22. Unit Capacity Factor (t Using DER Net) 95.1 30.0 54.6

23. Unit Forced Outage Rate 0 7.6 17.2

24. Shutdowns scheduled over 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 E-2

m ENCLOSURE (Continutd) .

AVERAGE DAILY UNIT POWER LEVEL ,

] UNIT 1

• DOCKET NO.: 50-321 DATE: 08-10-86

) COMPLETED BY: Tom Kilroy TELEPHONE: (912) 367-7851 x 2882 l

l MONTH: 07-86 I DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

. 1 752 17 748 2 751 18 750 3 755 19 750 l 4 752 20 748 l 5 747 21 752 6 752 22 752 7 752 23 585 8 754 24 721 9 752 25 746-10 751 26 748 -

1 11 749 27 748 12 753 28 750 13 607 29 748

14 748 30 749 15 747 31 748 16 747 l

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a i

i i

.- s

._ - . - . . . . .. -- -. . . ~ . . - . . . . ~ . .- . . - . . - - - .

o

) ENCLOSURE (Continutd) -'

UNIT SHUTDOWNS AND POWER REDUCTIONS ,

DOCKET NO. 50-321 -UNIT NAME HATCH ONE' I

COMPLETED BY Tom Kilroy TELEPHONE (912) 367-7851 (2882) DATE AUGUST 10,1986 l

f REPORT MONTH-JULY i

l1 R S E Y T A METHOD OF LICENSEE SC I

Y S SHUTTING EVENT TO CAUSE & CORRECTIVE P DURATION O DOWN REPORT ED COMPONENT ACTION TO I NO. DATE E (HOURS) N REACTOR NUMBER ME CODE PREVENT RECURRENCE I

86-023 860702 P 1.00 A 5 N/A CH VALVEX Decreased recirc. flow '

j due to N21-F200A j hydraulic malfunction

86-024 860705 S 1.75 B 5 N/A HA TURBIN Weekly turbine testing I 86-025 860713 F 9.45 A 5 N/A CB PUMPXX "lB" recirc. pump trip 1

J j 86-026 860719 S 2.58 B 5 N/A HA TURBIN Weekly turbine testing

)

.i 86-027 860723 F 12.00 A 5 N/A CH TURBIN "lA" reactor feed pump

} turbine (RFPT) trip i .

86-028 860727 S 2.25 B 5 N/A HA TURBIN Weekly turbine testing.

1 F: Forced Reason: Method: Events reported involve

• S: Scheduled A-Equipment Failure (Explain) 1-Manual a greater than 20% reduction j B-Maintenance or Test 2-Manual Scram in average daily power level j C-Ref ueling 3-Automatic Scram for the preceeding 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

I D-Regulatory Restriction 4-Continuations i E-Operator Training & License 5-Load Reduction *

. Examination 9-Other (Explain) l F-Administrative G-Operational Error (Explain)

H-Other (Explain) -

4

] E-4 i

l r,- - -

ENCLOSURE (Continued)

NARRATIVE REPORT UNIT 2 July 1st 0000 Unit in hot shutdown to repair steam leaks in-the condenser bay.

July 4th 2059 Ramping to 85% Rated Thermal Power (RTP).

July 10th 0850 Holding at 85% RTP due to high offgas activity.

July 12th 0928 Reduced load via recirculation flow decrease-due to process computer problems.

July 13th 0135 Reducing load further for turbine stop valve test.

July 13th 0320 Turbine stop valve testing complete. Load increase in progress.

July 14th 1900 Unit holding at 85% RTP.

July 18th 2205 Load reduction due to "B" loop condensate pump trip.

July 19th 0800 Unit back at 85% RTP.

July 22nd 2310 Load reduction due to "B" loop circulating water pump bearing failure.

July 31st 2400 Unit at 460 GMWE and 1521 CMWT. Repair of "B" circulating water pump bearing continues.

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ENCLOSURE.(Centinurd) ,-

l OPERATING DATA REPORT ,

UNIT 2

• DOCKET NO.: 50-366 DATE: 08-10-86 COMPLETED BY: Tom Kilroy TELEPHONE: (912)'367-7851 x 2882 OPERATING STATUS

1. Unit Name: E. I. Hatch Nuclear Plant Unit 2

2. Reporting Period: 07-86 l 3. Licensed Thermal Power (MWt): 2436

4. Nameplate Rating (Gross MWe): 820.0 l S. Design Electrical Rating (Net MWe): 784.0

6. Maximum Dependable Capacity (Gross MWe): 803.9

7. Maximum Dependable capacity (Net MWe): 777.0 l

~

8. If changes occur in capacity ratings (Item Numbers 3 through 7) since last report, give reasons: N/A

9. Power level to which restricted, if any (Net MWe) No Restrictions

10. Reasons for restrictions, if any: N/A l This Month Y r-t o-Dat e Cumulative

11. Hours In Reporting Period 744 5087 60384

12. Number of Hours Reactor was Critical 672.3 4799.8 42371.3

13. Reactor Reserve Shutdown Houra 0 0 0

14. Hours Generator On Line 651.0 4703.4 40571.5

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWh) 1142516 9430716 87613922

17. Gross Electrical Energy Generated (MWh) 353870 3046180 28827680

18. Net Electrical Energy Generated (MWh) 334433 2897218 27435872

19. Unit Service Factor (%) 87.5 92.5 67.2

20. Unit Availability Factor (%) 87.5 92.5 67.2 l 21. Unit Capacity Factor (% Using MDC Net) 57.9 73.3 58.5 l 22. Unit Capacity Factor (% Using DER Net) 57.3 72.6 58.0 1 23. Unit Forced Outage Rate 0 4.6 10.3 l 24. Shutdowns scheduled over next 6 months (Type, Date, and Duration of Each)

Ref ueling Outage, September 08, 1986 8 weeks i 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 E-6

. ._ _ . ._ - ,-. mm . . .

ENCLOSURE (Continutd)

AVERAGE DAILY UNIT POWER LEVEL .

UNIT 2 DOQfET NO.: 50-366-DATE: 08-10-86 COMPLETED BY: Tom Kilroy TELEPHONE: (912) 367-7851 x 2882 MONTH: 07-86 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) _

( MWe-Net) 1 0 17 620 2 0 18 619 l 3 0 19 619 l 4 0 20 (21

.! 5 259 21 622 6 358 22 614 7 478 23 407 8 543 24 423 9 586 25 424 10 619 26 423 11 625 27 421 12 588 28 420 13 566 29 420 14 614 30 421 15 624 31 423 16 625 E-7

ENCLOSURE (Continued) .

UNIT SHUTDOWNS AND POWER REDUCTIONS (Shtst 1 of 2) .

DOCKET NO. 50-366 UNIT NAME HATCH TWO

, COMPLETED BY Tom Kilroy TELEPHONE (912) 367-7851 (2882) DATE AUGUST 10, 1986 l

REPORT MONTH-JULY f

I R S E Y T A METHOD OF LICENSEE SC Y S SHUTTING EVENT TO CAUSE & CORRECTIVE P DURATION O DOWN REPORT ED COMPONENT ACTION TO NO. DATE E (HOURS) N REACTOR NUMBER ME CODE PREVENT RECURRENCE 86-045 860701 S 92.98 A 4 028612 CH XXXXXX Shutdown to repair condenser bay steam

leaks continues.

4 86-046 860704 S 131.85 A 9 N/A CH XXXXXX Ramping to 85% power following repairs. ,86-047 S60710 S 48.63 H 5 N/A ZZ ZZZZZZ Management decision to i hold at 85% power due to high offgas activity.

F: Forced Reason: Method: Events reported involve S: Scheduled A-Equipment Failure (Explain) 1-Manual a greater than 20% reduction B-Maintenance or Test 2-Manual Scram in average daily power level C-Refueling 3-Automatic Scram for the preceeding 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

D-Regulatory Restriction 4-Continuations

E-Operator Training & License 5-Load Reduction Examination 9-Other (Explain)

F-Administrative I

G-Operational Error (Explain)

H-Other (Explain)

E-8

ENCLOSURE (Continusd) ,

+

UNIT SHUTDOWNS AND POWER REDUCTIONS (Shsst 2 cf 2)

DOCKET NO. 50-366 UNIT NAME HATCH TWO COMPLETED BY Tom Kilroy TELEPHONE (912) 367-7851 (2882) DATE AUGUST 10, 1986 REPORT MONTH-JULY R S E Y T A METHOD OF LICENSEE SC Y S SHUTTING EVENT TO CAUSE & CORRECTIVE P DURATION O DOWN REPORT ED COMPONENT ACTION TO NO. DATE E (HOURS) N REACTOR NUMBER ME CODE PREVENT RECURRENCE 86-048 860712 P 16.12 A 5 N/A Z% ZZZZZZ Recirc. flow decreased manually after process computer problems.86-049 860713 S 41.42 B 5 N/A HA VALVEX Reduced load for stop valve testireg.86-050 860714 S 99.08 H 5 N/A ZZ ZZZZZZ See 86-047.86-051 860718 F 9.92 A 5 N/A HH PUMPXX "2B" condensate pump trip.86-052 860719 S 87.17 H 5 N/A ZZ ZZZZZZ See 86-047.86-053 860722 P 216.83 A 5 N/A CB PUMPXX "2B" circulating water pump bearing f ailure.

F: Forced Reason: Method: Events reported involve S: Scheduled A-Equipr.ent Failure (Explain) 1-Manual a greater than 20% reduction B-Maintenance or Test 2-Manual Scram in average daily power level C-Refueling 3-Automatic Scram for the preceeding 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

D-Regulatory Restriction 4-Continuations E-Operator Training & License 5-Load Reduction Examination 9-Other.(Explain)

F-Administrative G-Operational Error (Explain)

H-Other (Explain)

E-9

]"

• Georgla Power Gompany

. 333 Piedmont Avenue

Atfanta, Georgia 30308 Talephone 404 526-6526 Mailing Address

Post Office Box 4545 Atlanta, Georgia 30302 g Georgia Power L. T. Gucwa It:e wutten es:ic sp vm Manager Nuclear Safety and Licensing August 15, 1986 Nuclear Operations NRC Monthly Operating Report File: X7GJ10-H000 Log: SL-1125-c Director Office of Management and Program Analysis U. S. Nuclear Regulatory Commission Washington, D. C. 20555

Dear Sir:

Enclosed is the NRC Monthly Operating Report for Plant Hatch Unit 1, Docket Number 50-321, and for Unit 2, Docket Number 50-366. This report is submitted pursuant to Technical Specifications Section 6.9.1.10.

Sincerely, Y Jb M

, p l. T. Gucwa LGB/lc Enclosure c: Georgia Power Company Nuclear Regulatory Commission Mr. J. P. O'Reilly Dr. J. N. Grace, Regional Administrator Mr. J. T. Beckham, Jr. Senior Resident Inspector Mr. H. C. Nix, Jr.

Mr. C. Tabet G0-NORMS

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