ML20070Q827

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Monthly Operating Repts for Nov 1982
ML20070Q827
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 12/06/1982
From: Dupree D, Eddings M
TENNESSEE VALLEY AUTHORITY
To:
Shared Package
ML20070Q803 List:
References
NUDOCS 8301270178
Download: ML20070Q827 (14)
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TENNESSEE VALLEY ALTUiORITY DIVISION OF NUCLEAR POWER SEQUOYAH JUCLEAR PLANT . -

a MONTHLY OPERATING REPORT NOVEMBER 1, 1982 - NOVEMBER 30, 1982

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UNIT 1

-DOCKEZ NUMBER 50-327 LICENSE NUMBER DPR UNIT 2 DOCKET NUMBER 50-328 LICENSE NUMBER DPR-79 A

Submitted By:

Power Plant Superintendent

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8301270178 821214 PDR ADOCK 05000327 R PDR

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-TABLE OF CONTENTS l Operations Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Significant . Operation 1 Events . . . . . . . . . . . . . . . . . . . . . 1-2 PORV's'and Safety. Valves Summary . . . . . . . . . . . . . . . . . . . . . 2 Licensee. Events and Special Reports . . . . . . . . . . . . . . . . . . . 2-4 Offsite Dose Calculation Manual Changes- . . . . . . . . . . . . . . . . . ~4 Operating Data Unit 1 ... . . . .- . . . . . . . . . . . . . . . . . . . . . . . . 5-7 Unit-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10 Plant Maintetance' Summary . . . . . .- . . . . . . . . . . . . . . . . . . 11 G

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Opercitirn, Summary November 1982 The following summary describes the cignificant operational activities

.fr.' the month of November. _

In support of;this sumatry, e chronological log of~significant events is included in this report.

phit 1

.The refueling / modification outage continued during the month. Core loading was. completed on November 10, 1982.

Unit 2 Ur.it-2 was critical'for 290.62 hours7.175926e-4 days <br />0.0172 hours <br />1.025132e-4 weeks <br />2.3591e-5 months <br />, produced 326,_30 MWH (gross) with 4.49 percent'scation service use, resulting in an 3verage hourly gross load of-1,124,806 kW during the month. The net heat rate for the. month was 10,490 BTU /KWH. -There are 182.2855 full p)wer days estimated remaining until the end.

of cycle 1 fuel. With a capacity factor of 85 percent the target EOC exposure would be reached July 2, 1983. The capacity factor for the month was 39.0 percent.

There was one reactor scram, one manual shutdown, and no power reductions during November.

Significant Operational Events Unit 1 Date Time Event __

11/01/82 0001 Mode 6 no fuel in core. Refueling modification outage continues.

11/02/82 1707 First fuel bundle loaded in core.

i 11/10/82- 1700 All fuel assemblies loaded in core.

11/20/82 0800 Unit One in mode 5.

11/30/82 2400 Reactor in mode 5. The refueling /

modification outage continues.

Unit 2 11/01/82 0001 Reactor at 97%, 1140 MWe, #3 governor valve fully closed.

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- Significent Oper tienal Evento

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Unit 2 e...

Date Time -Event.

11/12/82: 0600 Reactor at 97%, .1140 P9he, #3 governor -

valve fully closed.

-2100  ; Began load reduction for ice weighing outage.

, .11/13/82 0100 Reactor at 30%, 327 MWe and decreasing. .

0203- :Offline, reactor at 8%. Beginning turbine overspeed test.

0237 Reactor trip during overspeed test, Lo-Lo

  1. 3 S/G level.

0827. Began maintenance on #3 governor valve.

1020 Began cooldown.

i 1945 Mode #4.

'11/14/82 0600 Mode #5.

1500 Began' ice weighing.

11/17/82 1115 Began maintenace on H leak on the exciter 2

end of the generator 11/21/82 0600 Began maintenance on the fan bladea on the main generator.

0700 Ice weighing complete.

11/30/82 2400 Outage ,ontinues.

PORV's and Safety Valves Summary

, Na PORV's or safety valves were challenged during the month.

Licensee Events and Special Reports The following Licensee Event Reports (LER's) were sent during November 1982, to the Assistant Director of Nuclear Power (Operations) for reporting to the Nuclear Regulatory Commission.

~Lic: ento Ev:nta nzd SpeciS1 Reports

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_ (Continurd).

Unit 1-i-

LER SUBJECT SQRO-50-327/82123. - The control' room emergency ventilation system was inoperable due to fan suction dampers vibrating closed.

s SQRO-50-327/82124 The liquid'radwaste effluent line monitor was inoperable due to a high background count rate.

SQRO-50-327/82126 MS/V check valve failed because the disc was

, separated from the. stem.

SQRO-50-327/82128 Both trains of control room emergency ventila-tion system were inoperable due to normal pressurization fan being removed.

SQRO-50-327/82130

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Minimum average ice weight per basket was

.less than the required in rows one and two of group one baskets.

- SQRO-50-327/82131 One nuclear instrument system (NIS) source i range detector channel was declared inoperable due to spiking on channel.

Unit 2' SQRO-50-328/82122 Pressurizer pressure switch 2-PS-68-3233 failed due to loss of power caused by a loose fuse.

SQRO-50-328/82125 The ERCW effluent line monitor RM-90-134/141 was

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inoperable due to the pump to motor coupling ,

? failing.

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SQRO-50 328/82127 Cooling jacket circulating water pump on diesel generator 2B-B was inoperable due to a ball bearing failure.

'SQRO-50-328/82129 Letdown orifice containment isolation valve

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2-FCV-62-73 failed shut due to a shorted coil relay.

SQRO-50-328/82132 One residt:a1 acat removal pump was declared inoperable due to failure of the discharge flow switch 2-FIS-74-12 to actuate.

. ..z Speciel Rep rto

. There was.one speciall report sent during the month of November.

5 Door A-64'was~ breached for greater than seven days.

Offsite Dose Calcul'atior. Manital Changes There were no' changes to th'e Sequoyah Nuclear Plant ODCM-during November.

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OPERATING DATA REPORT

.. : a- ~ DOCKET NO. 50-327 DATE December 4. 1982 COMPLETED'BY M. Eddings TELhi' HONE _ (615) 751-0343 OPERATING STATUS

1. -~ Unit'Name
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Sequoyah One Notes

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2. _ Reporting Period: November. 1982 3.- Licensed Thermal Pe ser (MWt': 3411
4. Nameplate Rating (Gross MWe):

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If20.58

5. Design Electric;l Rating (Net MWe): 1148

. 6. . Maximum Dependable Capacity (Gross MWe): 1163

17. Maximum Dependable Capacity (Net MWe): 1128
8. 'If Changes Occur ~in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:
9. Pow;: Level To Which Restricted, If Any (Net MWe):
10. -Reasons For Restrict!ons, If Any: ,

This Month Yr-to-Date Cumulative

~11.. Hours in Reporting Period 720 8016 12,433

'12. Number of Hours Reactor Was Critical 0 4734.4 7535.7

13. ' Reactor Reserve Shutdown Hours 0 0 0
14. xHours Generator On-Line 0 4629.1 7319.4
15. Unit Reserve Shutdown Hours 0 0 0
16. Gross. Thermal. Energy Generated (MWH) 0 15,217,828 23,282,782
17. Gross Electrical Energy Generated (MWH) 0 5,111,586 7,757,536 18.' Net Electrical Energy Generated (MWH) 0 __4.908,979 7,436,003
19. Unit Service bactor 0- 57.7 58.9
20. Unit Availability Factor 0 57.7 58.9
21. 'vait Capacity. Factor (Using MDC Net) 0 54.3 53.0
22. Unit Capacity Factor (Using DER Net) 0 53.3 52.;
23. Unit Forced Outage Rate 0 17.1 17.8
24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
25. If Shut Down At End Of Report Period, Estimated Date of Startup: 12-25-82 26 Units In Test Status (Prior to Commercial Operation):

Forecast Achieved INITIAL CR11ICALITY 7-4-80 7-5-80 INI~IAL ELECTRICITY 8-21-80 T 12-80 COMMERCIAL OPERATION 7-1-81 7-1-81 (9/77)

L AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-327-UNIT one DATE necember 1. 1982 y; COMPLETED BY- M. Eddings TELEPHONE (615) 751-0343

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-MONTH ' November i DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL

'(MWe-Net)

(MWe-Net) 1 0 17 0 2 0 18 0

'3 0 19 0 4 0 20 0

.5 0 21 0 6 0 22 0 7 0 23 0 8' 0 24 0 9 0 25 0

- 10 0 26 0 11 0 27 0 12: 0 28 0 13 0 29 0 14 0 30 0 15 0 ~31 16' O

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l-INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reporting month. . Compute to the aearest; whole megawatt.

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' . . .n UNIT. SHUTDOWNS AND POWER REDUCTIONS: DOCKET NO. 50-327' UNFt NAME Seanovah one DATE ' December 4 1982

  • COMPLETED BY M. Eddings, REPORT MONTH- November TELEPHONE (615) 751-0353-W SO 4J E7 "a $U Licensee e4 . @w Cause & Corrective-No. Date $. U$ S- 2YE Event 38 @ .@ - Action.to- ,

& l8 $ f 'S $ " . Report # R$ g8: Prevent Recurrence

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  • u si 3 82/09/11 S 7?0 C 1 Refueling / Modification Outage-1 2 3 ~4 F: Forced Reason: Method: Exhibit G-Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram. Entry Sheets for Licensee C-Refueling 3-Automatic Scria. Event Report (LER) File (NUREG-D-Regulatory Restriction 4-Cont. of Existing 0161) 1-Operator Training & License Examination Outage F-Administrative 5-Reduction G-Operational Error (Explain) 9-Other 5-(9/77) H-Other (Explain) Exhibit I-Same Source i

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. OPERATING DATA REPORT DOCKET NO. 50-328 DATE December 6, 1982 COMPLETED BY. David Dupree a- TELEPHONE (615) 751-0343 OPERATING STATUS

'1. Unit Name: Sequoyah Two Notes 2... Reporting Period: November, 1982 '

3. Lic'nsed-Thermal e Power (MWt): 3411

-4. Nameplate Rating (Gross MWe): 1220.58

-5. Design Electrical Rating (Net MWe): 1148

6. Maximum Dependable capacity.(Gross MWe): 1163
7. Maximum Dependable Capacity (Net MWe): 1128
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-fNet MWe):
10. Reasons For Restrictions, If Any:

This Month Yr-to-Date Cumulative

11. Hours in Reporting Period 720 _

4,393 4,393

12. Number of Hours Reactor Was Critical 290.6 3,857.5 3,857.5

.13. Reactor Reserve Shutdown Hours 0 0- 0

14. Hours Generator On-Line 290.05 3,802.95__ ~

3,802.95

15. Unit Reserve Shutdown Hours 0 0 0
16. Gross Thermal Energy Generated.(MWH) 957.632.6 12,122,486 12,122,486
17. Gross E1.ectrical Energy Generated (MWH) 326,250 4,080,840 4,080,840
18. Net Electrical Energy Generated (MWH) 311.574 3,926,290.6 3,926,290.6
19. Unit Service Factor 40.3 86.6 86.6
20. Unit Availability Factor 40.3 86.6 86.6
21. Unit Capacity Factor (Using MDC Net) 38.4 79.2 79.2
22. Unit Capacity Factor _(Using DER Net) 37.7 _

77.9 77.9

23. Unit forced Outage Rate 0 2.06 2.06
24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

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25. If Shut Down At End Of Report Period, Estimated Date of Startup: 12-27-82
26. Units In Test Status (Prior to Commercial Operation):

Forecast Achieved INITIAL CRITICALITY 11-5-81 11-5-81 INITIAL ELECTRICITY 12-23-81 12-23-81 COMMERCIAL OPERATION 6-1-82 6-1-82 (9/77)

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, AVERAGE DAILY UNIT POWER LEVEL DOCKET No. 50-328 UNIT Two DATE December 6, 1982 00MPLETEd BY David Dupree TELEPHONE (615) 751-0343

- NONTH November DAY. AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (HWe-Net) 1 1,089 17 0 2 l',084 18 0 3 1,087 19 0 4 1,093 20 0

.5 -1,093 21 - 0 6 -1,094 22 ,

0 17 1,094 23 0 8 1,096 24 0 9- 1,099- 25 0

'10 1,099 26 0 11 1,092 27 0 12 1,084 28 0 24

.13 - 29 14 0 30 O 15 0 31

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' INSTRUCTIONS Oc this format, list the average daily unit power level in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

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UNIT SHUTDOWNS AND POWER REDUCTIONS' DOCKEL MO. 50-328 UNIT KAME so m irn ah Tw o

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DATE December 6, 1982 . .-

COMPLETED BY David Dupree REPORT MONTH- November,_ TELEPHONE (615) 751-0343 1

No. Date 8,

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'8 t g Licensee Evert g.

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. Action to

& $j _g

$jM Report # g3 gg Prevent Recurrence

$" $ @ $. 8 19 82/11/13 S 1429.95 D 1 Ice Weighing Per Technical Specifications..

Manual Shutdown.

a 1 2 3 4 F: Forced Reason: Method: Exhibit G-Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram. Entry Sheets for Licensee C-Refueling 3-Automatic Sc. am. Event Report (LER) File (NUREG-D-Regulatory Restriction .4-Cont. of Existing 0161) ,

E-Operator Training & License Examination Outage F-Administrative 5-Reduction G-Operational Error (Explain) 9-Other- '

5 (9/77) H-Other ("xplain) Exhibit I-Same Source

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Ple-t Maintsnance Summary

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-The following significant'saintenanec. items were completed during the month'of November 1982:

Mechanical Maintenance

-1. Inspecting auxiliary fe dwater check valves 2-830, -832, -873, and -874

to see i.f the seat and cisk match.- Modified the bushings on those

-that did not match.

2. ; Repaired cracked stod in 1-VLV-11624 and re-installed disk on 1-VLV-1-63 (broke off and went down the line).
3. . Installed new rupture disk-on Unit One upper head injection.
4. :Added additional ice:in Unit One ice condenser.

Electrical Maintenance

1. Completed modifications on Unit One reactor coolant pump motors.
2. Initiated inatallation of dimension 2000 telephone system.
3. SI-289.1 and SI-289.2 - ch'cked e hydrogen igniters with infrared thermometer for temperature.

.4. Installed new telephone system in the technical' support center.

5. Investigated Unit Two hydrogen gas leak revealing fan blade problems.

Instrument Maintenance

'There were no significart maintenance items.

Field Services Maintenance i- Work continues on the following items:

E :1. Containment personnel airlock penetrations - install telephones, door annunciation and lighting inside of airlocks on Unit I and Unit 2.

2. Common station 'cervice transformer - split "Ad and "B" common station service transformer into IA, IB, 2A and 2B and the installation of the new CSST "C" transformer.
3. Containment hydrogen mitigation system - work continues on the hydrogen mitigation system in containment and the auxiliary building.

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.Yiold Ssrvicin Maintsn nca (Continued)

4. Gaseous effluent radiation monitoring - new monitoring system is being installed in auxiliary building ventilation stack, Unit I and Unit 2, reactor building exhaust stacks, and the service building exhsust stack.
5. ' Post accident sampling' facility work' continues on installation of sampling system and tie-in to the ABGTS ventilation system.
6. Outage work on Unit 1 main turbine - reassembly of main turbine and generator.
y. Unit 2 main turbine generator outage work during inspection of generator on ihit 2 found stationary and rotating fan blades to be damaged. . Outage extended to repair generator.

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