ML19257C807

Monthly Operating Rept for Oct 1979

ML19257C807
Person / Time
Site:	Hatch
Issue date:	11/10/1979
From:	Johnson G GEORGIA POWER CO.
To:
Shared Package
ML19257C771	List: ML19257C770 ML19257C807
References
NUDOCS 8001300483
Download: ML19257C807 (6)

Text

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DOCKET NO. 50-366' DATE 11-10-79 COMPLETED By G. L. Jonnson TELEPHONE 912-3b/-//81 OPERATING ST TUS

1. Unit Name: Hatch 2 Notes -

2. Reporting Period: October 1979

3. Licensed Thermal Power (MWt): 2436 MWt

4. Nameplate Rating (Gross MWe): 817.O Gross MWe

5. Design Electrical Rating (Net MWe): 784.0 Net MWe

6. Maximum Dependable Capacity (Gross MWe): 782.0 Gross MWe

7. Ma.simum Dependable Capacity (Net MWe): 749.0 Nat MWe

' 8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report. Give Reasons:

9. Power Level To Which Restricted,If Any (Net MWe):

10. Reasons For Restrictions. If Any:

This Month Yr. to-Date Cumulative

11. Hours In Reporting Period 745 1369 1369

12. Number Of Hours Reactor Was Critical 676.1 1230.4 1230.4

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. Hours Generator On-Line 628.0 1063.3 1063.3

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Then.al Energy Generated (MWH) 1429451 2314982 2314982

17. Gross Electrical EnerEy Generated (MWH) 473460 765960 765960

18. Net Electrical Energy Generated (MWH) 452813 730179 730179

19. Unit Service Factor 84.3 77.7 77.7

20. Unit Availability Factor 84.3 77.7 77.7

21. Unit Capacity Factor (Using MDC Net) 81.1 71.2 71.2

22. Unit Capacity Factor (Using DER Net) 77.5 68.0 68.0

23. Unit Forced Outage Rate 14.8 19.4 19.4

24. Shutdowns Scheduled Over Next 6 Months (Type.Date.and Duration of Each):

25. If Shut Down At End Of Report Period.Esti.nated Date of Startup:

26. Units in Test Status (Prior to Commercial Operation): Forecast Achiesed INITI A L CRITICALITY INITIA L ELECTRICITY-COMMERCIA L OPER ATION 1837 012 soot 3 " *3 e>mi

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-366 UNIT H'atch 2 DATE 11-10-79 COMPLETED BY G. L. Johnson TELEPilONE 912-367-7781 MONTII October 1979 DAY AVERAGE DAILY POWER LEVEL DAY AVFRAGE DAILY POWER LEVEL (M We-Net ) (MWe-Net )

j 609 730 37 2 756 is 90 3 781 ig 625 4 783 20 726 5 786 21 745 6 712 -

22 784 7 770 23 786 s 399 24 793 9 -16 25 792 10 -16 26 768 3 -12 2., 754 12 -13 28 828 13 339 29 791 14 732 30 790 15 731 3 786 16 738 INSTRUCTIONS On this format.hst the average daily umt powe-level in MWe. Net for each day in the reporting month. Compute to the nearest w hole megawatt.

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NARRATIVE REPORT UNIT 2 October 1st Reduction .due. to ' tripped recire. pumps (Forced) .

October 8th Rx Scram due to Containment High Pressure Instrumentation Alarm (False Alarm:

apparently due to bumped instrumentation rack.) Outage prolonged due to steam leaks in Drywell (Forcedi October 13th Generator tied to line 0130 CDT October 18th Shutdown to repair feedwater check valve 2B21-F07?A in the Feedwater Main Steam Line (Scheduled)

There was no single release of radioactivity or single radiation exposure which accounts for more than 1 0 ". of the allowable annual values during the previous month of 1979.

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.ANCE REQUESTS TO ' BE REP 01'TED -

2R 1979 NUMBER DATE COM?LETED DESCRIPTION

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79-30 1 '

10-24-79 Replaced scram pilot air header alarm switch 79-773 10-17-79 Shield'ed grounds for con-trol cables of "B" M/G set 79-4869 - 10-10-79 Replaced strong backs to drywell door 79-4884 10-22-74 Repaired 1" gate valve, inlet to steam trap isolation 79-5017 10-22-79 Repaired HPCI suction pressure indicator 79-5035 10-22-79 Calibrated 2C RHR pump suction guage 79-4707 10-19-79 Replaced relay in LPRM

. downscale alarm 79-4382 10-18-79 Repaired leak in water surge tank pump 79-3969 10-21-79 Repaired RHR service water pump "D" 78-3178 10-1-79 Changed the control logic to RWCU system isolation valves 2G31,F001, F004 79 4320 10-1-79 Performed wiring changes to control panel logic for F457 valve per DCR 77-262 79-4879 10-12-70 Repaired HPCI steam line drain orifice 79-4878 '

10-12-79 Repaired le a kin g HPCI steam line drain line flange 79 4847 10-9-79 Removed south hatch cover from torus and replaced per HNP-2-6706 1837 016

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79-3259 9-4-79 Completed piping on RWCU cobalt deposition loop per DCR 2-78-209 79-4920 10-16-79 Insured that no ground exist on the high side of the A diesel generator 79-4921 10-16-79 Insured that no ground exist on the high side of the C diesel generator 79 4550 10-17-79 Repaired LPRM 0421 B 79-3301 10-17-79 Reolaced bad detector in IRM 2B 79-4885 10-17-70 Replaced "A" IRM detector 79-5013 10-24-79 Repaired feedwater testable check valve 79-5024 10-28-79 Repaired RCIC steam supply isolation valve 79-5200 11-6-79~ Repaired "C" RHR S/W pumo 79-5027 11-6-79 Rr. paired PSW pump oischarge check valve 79 4950 11-7-79 Repaired HPCI pump (seal water line to pumpi 79 4942 11-6-79 Repaired HPCI torus suction valve 1837 017

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