ML20207G122

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Monthly Operating Repts for Sept 1986
ML20207G122
Person / Time
Site: Hatch  Southern Nuclear icon.png
Issue date: 09/30/1986
From: Gucwa L, Richardson J
GEORGIA POWER CO.
To:
NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
SL-1396, NUDOCS 8701060339
Download: ML20207G122 (12)
v • d • e


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l OPERATING DATA REPORT 9

DOCKET NO. 50-321 -

DATE 10-03-86 COMPLETED BY: J. H. Richardson TELEPHONE (912) 367-7781 x 2360 OPERATING STATUS

1. Unit Name: E. I. Hatch Nuclear Plant Unit 1 2 Reporting Period: 09-86
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 (Items Number 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-to-Date Cumulative
11. Hours In Reporting Period 720 6551 94222
12. Number of Hours Reactor was Critical 663.6 3443.2 65569.4
13. Reactor Reserve Shutdown Hours 0 0 0
14. Hours Generator On-Line 645.1 3133.0 61694.1
15. Unit Reserve Shutdown Hours 0 0 0
16. Gross Thermal Energy Generated (MWH) 1515578 7133354 131764844
17. Gross Electrical Energy Generated (MWH) 488110 2288340 42530470
18. Net Electrical Energy Generated (MWH) 465300 2160652 40374740
19. Unit Service Factor (%) 89.6% 47.8%- 65.5%
20. Unit Availability Factor (%) 89.6% -

47.8% 65.5%

21. Unit Capacity Factor (% Using MDC Net) 84.1% 42.9% 57.2%
22. Unit Capacity Factor (% Using DER Net) 83.1% 42.4% 54.8%
23. Unit Forced Outage Rate 0.0% 5.2% 16.9%
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

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! AVERAGE DAILY UNIT POWER LEVEL J

DOCKET NO. 50-321 1 DATE: ' 10-05-86 I COMPLETED BY: J. H. Richardson i TELEPHONE (912) 367-7781 x 2360 MONTH: SEPTEMBER 86 s

DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

. 1 753 17 591 3 2 752 78 730 3 751 19 749 4

4 748 20 744 5 748 21 725

6 747 22 750 i

. 7 753 23 750 8 753 24 750 i 9 751 25 747 l 10 746 26 747 1 11 752 27 747

12 700 28 749 j 13 0 29 745 ,

i 14 0 30 745

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UNXT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-321 UNIT NAME HATCH ONE COMPLETED BY J. H. Richardson TELEPHONE (912) 367-7781 (2360) DATE OCTOBER 01, 1986 REPORT MONTH SEPTEMBER 1986 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 86-035 860906 S 1.92 B 5 N/A HA TURBIN Load reduction for weekly turbine testing 86-036 860912 S 4.43 A 5 N/A CI VALVEX Reducing power for shutdown to repair leakage inside drywell.86-037 860913 S 74.95 A 2 N/A CI VALVEX Shutdown to repair leakage inside drywell.86-038 860916 S 61.30 A 5 N/A CI VALVEX Ramping in power from shutdown.86-039 860920 S 14.03 B 5 N/A HA TURBIN Load reduction for weekly turbine test and rod pattern adjustment.86-040 860927 S 1.05 B 5 II/A HA TURBIN Load reduction for weekly turbine test 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 G-Operational Error (Explain)

H-Other (Explain)

E-4

NARRATIVE REPORT UNIT 2 September 1st 0000 Unit critical, in start-up, following I scram on 8/29/86. l 1713 Unit tied to line.

l 1807 Turbine trip on MSR high level, due to l

transmitter problems (no scram). '

1852 Unit tied to line.

September 2nd 0154 Unit off line to repair EHC oil system.

1603 Unit tied to line.

l September 3rd 0352 Reactor scram on turbine stop valve fast closure due to leak in EHC oil system.

0904 Unit start-up in progress.

1100 Reactor critical.

September 4th 0015 Reactor scram on low water level, due to RFPT trip on loss of condenser vacuum.

1600 Unit start-up in progress.

1740 Reactor critical.

September 5th 0603 Turbine trip on MSR high level due to air sensing line leak (no scram).

1426 Unit tied to line.

September 7th 0900 Unit operating at 85% thermal power.

September 8th 1540 Increasing load using recire flow to go to 105% core flow.

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  • I NARRATIVE REPORT UNIT 2 (Continued)

September 10th L415 Unit operating at 904 thermal power, 105% core flow, Unit in cycle coastdown.

September 17th 1000 Unit shutdown in progress, for end of cycle 6.

September 18th 0351 Generator off line.

0858 Reactor manual scram beginning end of cycle 6 refueling outage.

September 30th 2400 Unit in refueling outage.

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OPERATING DATA REPORT ,

DOCKET NO. 50-366 DATE 10-05-86 COMPLETED BY: J. H. Richardson TELEPHONE (912) 367-7781 x 2360 OPERATING STATUS

1. Unit Name: E. I. Hatch Nuclear Plant Unit 2
2. Reporting Period: 09-86
3. Licensed Thermal Power (MWt): 2436
4. Nameplate Rating (Gross MWe): 820.0
5. Design Electrical Rating (Net MWe): 784.0
6. Maximum Dependable Capacity (Gross MWe): 803.9
7. Maximum Dependable Capacity (Net MWe): 777.0
8. If changes occur in capacity ratings (Items Number 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-to-Date Cumulative
11. Sours In Reporting Period 720 6551 61848
12. Number of Hours Reactor was Critical 392.4 5877.9 43449.4
13. Reactor Reserve Shutdown Hours 0 0 0
14. Hours Generator On-Line 321.9 5709.4 41577.9
15. Unit Reserve Shutdown Hours 0 0 0
16. Gross Thermal Energy Generated (MWH) 610582 11085658 89268864
17. Gross Electrical Energy Generated (MWH) 190690 3545200 29326700
18. Net Electrical Energy Generated (MWH) 176681 3366112 27904766
19. Unit Service Factor (%) 44.7% 87.2% 67.2%
20. Unit Availability Factor (%) 44.7% 87.2% 67.2%
21. Unit Capacity Factor (% Using MDC Net) 31.6% 66.1% 58.1%
22. Unit Capacity Factor (% Using DER Net) 31.3% 65.5% 57.6%
23. Unit Forced Outage Rate 21.8% 6.2% 10.5%
24. Shutdowns scheduled over next 6 months (Type, Date, and Duration of Each):

Refueling Outage-began September 18, 1986

25. If shutdown at end of report period, estimated date of startup: 11/7/86
26. Units in Test Status (Prior to Commercial Operation): N/A E-7

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-366 DATE: 10-05-86 COMPLETED BY: Jody Richardson TELEPHONE (912) 367-7781 x 2360 MONTH 09-86 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 7 17 487 i

2 58 18 13 3 36 19 0 4 0 20 0 5 44 21 0 6 369 22 0 7 607 23 0 8 622 24 0 9 651 25 0 10 665 26 0 11 661 27 0 12 658 28 0 13 656 29 0 14 652 30 0 15 645 31 0 16 642 E-8

. b UNIT SHUTDOWNS AND POWER REDUCTIONS.

DOCKET NO. 50-366 UNIT NAME HATCH TWO COMPLETED BY J. H. RICHARDSON TELEPHONE (912) 367-7781 (2360) DATE OCTOBER 01,'1986 REPORT MONTH SEPTEMBER 1986 R S E Y T A METHOD OF LICENSEE SC Y S SHUTTING EVENT TO CAUSE & CORRECTIVE P DURATION O DOWN REPORT ED 00MPONENT ACTION TO NO. DATE E (HOURS) N REACTOR NUMBER ME CODE PREVENT RECURRENCE 86-057 860901 F 17.22 H 4 2-86-22 CD INSTRU Continuation of outage l from scram associated with level instrumen-tation.86-058 860901 S 0.87 H 5 N/A CD INSTRU Ramping in power from outag e.

l 86-059 860901 F 0.78 A 9 N/A HJ HTEXCH Turbine trip on high l MSR hotwell level l while at low power I (no scram).86-060 860901 S 7.05 A 5 N/A HJ HTEXCH Ramping in power from turbine trip.

l F: Forced Reason: Method: Events reported involve S: Scheduled A-Equipment Failure (Explain) 1-Manual a greater than 20% reduction B-Mai 'anance or Test 2-Manual Scram in average daily power level C-Ref ur ling 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

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-366 UNIT NAME H ATCH ' 'NO COMPLETED BY J. H. RICHARDSON TELEPHONE (912) 367-7781 (2360) DATE OCTOBER 01, 1986 REPORT MONTH SEPTEMBER 1986 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 86-061 860902 P 14.13 A 9 N/A HB TURBIN Unit in hot standby for repair of EHC oil leak.86-062 860902 S 11.82 A 5 N/A HB TURBIN Ramping in power from above repair.86-063 860903 F 18.13 H 3 2-86-23 HB TURBIN Scram due to turbine trip from low EHC oil pressure.86-064 860903 F 31.27 A 3 2-86-24 HC HTEXCH Scram on low reactor water level due to RFPT trip on low condenser vacuum.

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 ay9 rage dnily 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-10

UNIT SHUTDOWNS AND POWER REDUCTIONS r

DOCKET NO. 50-366 UNIT NAME HATCH TWO COMPLETED BY J. H. RICHARDSON TELEPHONE (912) 367-7781 (2360) DATE OCTOBER 01, 1986 REPORT MONTH SEPTEMBER 1986 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 86-065 860905 S 0.78 A 5 N/A HC HTEXCH Ramping in power from scram.86-066 860905 F 8.38 A 9 N/A HJ HTEXCH Turbine trip on MSR high level while at low power (no scram).86-067 860905 S 97.07 A 5 N/A HJ HTEXCH Ramping in power from turbine trip.86-068 860909 S 204.35 H 9 N/A RC FUELXX End of cycle coastdown 86-069 860918 S 308.15 C 2 N/A RC FUELXX Unit shutdown for refueling outage.

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-Continuatio".s E-Operator Training & License 5-Load Reduction Examination 9-Other (Explain)

F-Administrative G-Operational Error (Explain)

H-Other (Explain)

E-ll E

4 .. . _ _ _ ._ _

r Georgia Power Company

.' 333 Piedmont Avenue 4

.% Atlanta. Georgia 30308 s Telephone 404 526-6526 ,

Maihng Address:

Fbst Ottice Box 4545 Atlanta. Georgia 30202 1

Georgia Power i L T. Gucwe IN souhern entrc system .

I Manager Nuclear Safety and Ocensing October 9,1986 h Nuclear Operations

NRC Monthly Operating Report +

File: X7GJ10-H000 j Log: SL-1396 Director, Office of Management and Program Analysis U. S. Nuclear Regulatory Conunission Washington, D. C. 20555

Dear Sir:

Enclosed is the Monthly Operating Report for Hatch Unit 1, Docket

' Number 50-321, and for Hatch Unit 2, Docket Number 50-366. This report is submitted pursuant to Technical Specifications Section 6.9.1.10.

l Sincerely,

)

L. T. Gucwa MJBlackwood/lc Enclosure ,

c: Georgia Power Company U. S. Nuclear Regulatory Commission jl Mr. i . P. O'Reflly Dr. J. N. Grace, Regional Administrator i

Mr. J. T. Beckham, Jr. Mr. P. Holmes-Ray, Senior Resident Mr. H. C. Nix, Jr. Inspector - Hatch

! Mr. C. Tabet Mr. G. Rivenbark, Hatch Licensing i

GO-NORMS Project flanager i

3 1

1 0798C 9 t

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NARRATIVE REPORT UNIT 1 September lat 0000 Unit operating at 100t thermal power.

September 6th 0035 Unit power decreased to 720 MWE to perform weekly turbine testing.

0400 Unit returned to 1004 power.

September 12th 2015 - Beginning load reduction for plant shutdown to repair drywell valve leaks.

September 13th 0045 Reactor manual scram.

September 15th 0813 Pulling rods.

1010 Reactor critical.

September 16th 0342 Unit tied to line.

September 18th 2100 Unit at 100% power,103% core flow.

September 20th 2255 Beginning load reduction for pattern adjustment.

September 21st 0248 Pattern adjustment crosplete increasing to full power.

1300 Unit returned to 1004 power.

September 27th 0057 Dropping load for weekly turbine testing.

0311 Unit returned to 100t power.

September 30th 0000 Unit operating at 100% power.

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