ML19323H617

Monthly Operating Rept for May 1980

ML19323H617
Person / Time
Site:	Sequoyah
Issue date:	06/03/1980
From:	TENNESSEE VALLEY AUTHORITY
To:
Shared Package
ML19323H616	List: ML19323H615 ML19323H617
References
NUDOCS 8006130296
Download: ML19323H617 (9)

Text

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TENNESSEE VALLEY AUTHORITY

! DIVISION OF NUCLEAR POWER P

SEQUOYAH NUCLEAR PLANT

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i MONTHLY OPERATING REPORT 1

j MAY 1, 1980 - MAY 31, 1980 l

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l DOCKET NUMBER 50-327

! LICENSE NUMBER DPR-77 l

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i Submitted By:

Plant Superintendent.

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TABLE OF CONTENTS Operations Summary . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Significant Operational Events . . . . . . . . . . . . . . . . . . . . . .2 Average Daily Unit Power Level . . . . . . . . . . . . . . . . . . . . .3 Operating Data Report . .. . . . . . . . . . . . . . . . . . . . . . . .4 Ur.it Shutdown and Power Reduction . . . . . . . . . . . . . . . . . . . .5 Plant Maintenance Summary . . . . . . . . . . . . . . . . . . . . . . . .6 Outage Maintenance Summary . . . . . . . . . . . . . . . . . . . . . . . .7

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i Operations Summary May 1980

, The following summary describes the significant opecational activities 1

i during the reporting period. In support of this summary, a chronological 4

log of significant events is included in this report.

There were twenty-seven Licensee Event Reports submitted to the NRC during the month of May.

1 During the month, heatup to normal operating temperature for pre-operational testing and initial criticality was begun. A pipe hanger on the CVCS letdown line was determined to be incorrectly installed and the reactor was returned to cold shutdown. The reactor remains in cold shut-down while hanger inspection and repair is in progress.

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Significant Operational Events Date Event 5/08/80 RCS in Mode 4 5/11/80 RCS in Mode 3 5/16/80 Due to hanger problems, cooling down RCS, RCS in Mode 4.

5/17/80 RCS in Mode 5 5/31/80 RCS in Mode 5 2

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l AVERAGE DAILY UNIT POWER LEVEL i

DOCKET NO. 50-327 ,j UNIT 1 6-3-80 'I

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l CO\1PLETED BY hank :<f. Walker i i TELEPil0NE (615) 8h2-0293 i

MONTli ih't 1NO i

,i i DAY AVER AGE DAILY POhER LEVEL DAY AVER AGE D \lLY POWER LEVEL e \1he-Net i t \twe Neti  ;

I O g7 0 0 g3 0 3., 0 39 0 J 4 0 20 0 5 0 3g 0 0

6  : O l 7 0 ;3 0

,, 8 0 24 0 9 0 25 0 10 0 0 26

! II O 27 0 1 12 0 0 33 13 0 29 0 ,

14 0 0 q 30 15 0 3, o j 16 0 INSTRUCTIONS

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, On this format. list the average daily unit power lesel in MWe-Net for each day in the reporting mor.1. Compute to ,

the nearest whole megawatt.

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OPERATING DATA REPORT I

DOCKET NO. __50-3?7

' DATE *~0-U"

! COSIPLETED BY Mart al. Wallter l TELEP110NE (615) c42-0295 OPERATING STATUS l SeCHOyBh I. Unit Name: ' Notes

2. Reporting Period: :by 1980

3. Licensed Thermal Power (5thti:

4. Nameplate Rating IGross .\lWe): 1220 5

5. Design Electrical Rating (Net .\lWe):

6. .\latimum Denendable Capacity iGross .\tWeI: 5 7 .\lasimum Dependable Capacity INet .\lwe l: llh0

5. If Changes Occur in Capacity Ratings litems Number 3 Through 7)Since Last Report. Give Reasons:

9. Power Lesel To which Restricted if Any (Net 31We):

10. Reasons For Restrictions. If Any: l This Stonth Yr.-to-Date Cumulative ,

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11. Ilours In Reporting Period 7hh 2208 2208

12. Number Of flours Reactor Was Critical 0 0 0 f

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13. Reactor Reserve Shutdown Hours 0 0  ;

14. Ilours Generator On-Line 0 0 0 1

15. Unit Reserve Shutdown flours 0 0 0 '

16. Gross Thermal Energy Generated (51WH) 0 0 0 ,

17. Gross Electrical Energy Generated (.\tWH) 0 v v ,

18. Net Electrical Energy Generated (SIWH) O 0 ,0 j

19. Unit Service Factor N/A N/A U/A

20. Unit Asailability Factor II/A II/A N/A

21. Unit Capacity Factor (Using .\lDC Net) II/A II/A U/A

22. Unit Capacity Factor (Using DER Net) N/A N/A N/A

23. Unit Forced Outage Rate N/A N/A N/A

24. Shutdowns Scheduled Over Nest 6 Stonths (Type. Date,and buration of Eacht:

25. If Shut Down A: End Of Report Period. Estimated Date of Startup:

26. Units in Test Status (Prior to Commercial Operation): Forecast Achiesed ' I

. I INITIA L CRITICALITY 7-07-80 i

JNITIA L ELECTRICITY 8-21-80 _

d Co\l.\tERCIAL OPERATION 10-03-80 '

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Plant Maintenance Summary A new stuffing box extension to casing gasket was installed in RHR i

pump 1B-B to stop leakage problem. The leakage was not stopped and the Problem is still being evaluated.

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Replaced a blown gasket on the oil lift pump lines inside the RCP #2 motor.

The shaft on IA-A safety injection seized. The pump was dismantled and the affected parts returned to Pacific Pump Co. for repairs. The cause of the seizing has not been determined. Unit 2 pump 2A-A was installed in place of 1A-A. The unit 1 pump IB-B was disassembled and no problems were found.

Staking of the component cooling heat exchanger "A" tubes is approxi-mately 70% complete. This modification is being made to reduce the tube vibration.

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Outage Maintenance Summary Inspected pipe hangers on safety related systems inside and outside containment in accordance with a conformation of action letter from NRC and IE bulletin 79-14.

Added remote indication for the ABGTS filter differential pressures.

This resulted from NRC requirements.

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