ML19332D220

Monthly Operating Repts for Oct 1989 for Sequoyah Nuclear Plant

ML19332D220
Person / Time
Site:	Sequoyah
Issue date:	10/31/1989
From:	Hollomon T, Sims R TENNESSEE VALLEY AUTHORITY
To:
Shared Package
ML19332D217	List: ML19332D216 ML19332D220 ML19332D224
References
NUDOCS 8911300175
Download: ML19332D220 (9)

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iTENNESSEEfVALLE2 AUTHORITY

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e ]cDR i . 73911300175- .ADOCK 05000327 891115' y~i 1 ram . 1

-OPERATIONAL

SUMMARY

OCTOBER.1989 UNIT 1 Unit 1 continued to operate efficiently during October. It generated-872,460 MHh (gross) of electrical, power with a capacity factor of 98.99

-percent. The ice surveillance on Unit 1 was successfully conducted without any reduction-in power. ' Unit 1 operated'at approximately 100 percent power throughout_the month._

UNIT 2 Unit 2 operated efficiently _during October. It generated 716,580 MWh (gross)

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of electrical-power with a capacity factor of 81.31' percent. -Unit 2 reduced-power to 50 percent on October 4,-1989, for maintenance on main feedwater pump 2A and 2B. ' Reactor power was returned to 100 percent on October 6, 1989.= On October 15, 1989, reactor power was reduced to 75 percent for maintenance on condensate booster pumps 2A and 28.

When the unit reached 75 percent reactor power on October 15, 1989, the power: level was held at 75 percent to extend the. life of the core. On

' October 19,:1989, the unit was again brought to 100 percent power to meet I loadsdemands.

On October 24, 1989, power was reduced again_to allow for turbine maintenance j'

and testing. The reactor remained critical and at approximately 30 percent

-power:wh1le the_ turbine was'taken offline.. Unit-2 was online again wtthin 24_-_

hours and is currently operating at 75 percent power. The power level is being maintained at 75 percent to extend the life of the core.

1 I

j.  : POWER-OPERATED RELIEF VALVES (PORVs) AND SAFETY VALVES

SUMMARY

There were no challenges to PORVs or safety valves in the month of October. f 1

0FFSITE DOSE CALCULATION MANUAL (00CM) CHANGES There were no changes to the 00CM in the month of October. l-1 j

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AVERAGE DAILY' UNIT POWER LEVEL

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1 00CKET-.NO. 50-327 UNIT _ One DATE ~11-2-89 COMPLETED BY-- R'; G. Sims TELEPHONE- (615) 843-6722 1

MONTH ' OCTOBER 1989~ '

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

1 1142 17 1128

2. 1133 18 1122 l3 1131 -

19 1124-

^4 -1133- 20 1134~

5- 1133' .21 1133 i

f 6; 1134 22 1137

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'7' 1135- 23 1135 8 1137 24 1135- ,

C 1 9- 1136 25 1 1136

-10 1129 26, 1138 j 11 1125 27 1138- ,

12 1127- 28 1137 1 X 13~ 1132 29 1136 14 1137 30 1137 l 21 5 1133 31 1139 16 1131 [

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s AVERAGE DAILY UNIT- POWER: LEVEL p

'DOCKETfNO. 50-328 Unit Two?

DATE' 11-2-89'

-COMPLETED.BY. R. G. Sims

. TELEPHONE- (615) 843-6722-MONTH OCTOBER 1989 DAY AVERAGE DAILY POWERELEVEL. DAY AVERAGEtGAILY' POWER' LEVEL.

c(MWe-Net)- (HWe-Net)

- .1 1130 17 868 2I , 1130' < -18 869 3' 1120' 19 960 4= s

-606- 20 1132 5- 1801 21 1133

. ~ 6l 1117 22 1135 7! 1130- 23 '1133'

'8- 1130 24 785 9 1131 25 165 10~ '1129 26 47 _

.11 1130 27 422 12 1129 '28 840 I

p- 13 1129 29 889 14 1130 30 854 15 909 31 854 16 861 o

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OPERAllNG DATA REPORT DOCKET NO. 50-327

> DATE 11-2-89 COMPLETED 8Y 1. J. Hollomon 1ELEPHONE 1615)843-7528 OPERA 11NG' STATUS i

! Notes  !

1. Unit Name: Seouoyah Unit'One  !  !

2; Reporting Perlod:- October 1989  !  !

3. : Licensed Thennal Power (Mdt): 3411.0 1 1

- 4. Nameplate Rating (Gross We): 1220.6 1 1.

~5. Design Electrical Ratin0 (Net We): 1148.0 1  !  ;

' 6. : Maximum Dependable Capacity (Gross W e): 1183.0 1  !  !

7. Maximum Dependable Capacity (Net Mde): 1148.0  ! .!

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

N/A t.

9. . Power Level lo Which Restricted, if Any (Net We): N/A l

10. Reasons For Restrictions, If Any: _N/A j h

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This Month Yr-to-Date Cumulative.

11. Hours in Reporting Period 745.0 7.296.0' 73.081.0

12. Neber of Hours Reacter Was critical 745.0 7.247.0 -32.072.0

'13. Reactor Reserve Shutdown Hours 0.0 - 0.0 0.0- _;

14i Hours Generator On-Line 745.0 7.221.7 31.285.5

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-15. Unit Reserve Shutdown Hours 0.0 '0.0 0.0 l I

16. Gross theneal Energy Generated (WH) .2.532.191 24.295.880 101.872.817

17. Gross Electrical Energy Generated (MI) 872.460 8.338.620 34.473.8 % {

18. Net Electrical: Energy Generated (MI) 843.819 .

8.055.053 32.976.481  ;

19. Unit Service Factor 100.0 99.0 42.8 'l k 20. Unit Availability Factor 100.0 99.0 42.8 ll 21. Unit Capacity Factor (Using MDC Net) 98.7  %.2 39.3 l

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22. Unit Capacity Factor-(Using DER Net) 98.7 39.3 i

23. Unit Forced Outage Rate 0.0 1.0 50.4

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

i An outage is scheduled in December 1989, for technical specification surveillance and l Unit 1 Cycle 4 walkdowns, with a duration of 4 days.

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25. If Shut Down At End Of Report Period, Estimated Date of Startup: N/A  ;

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r: ,p NS OPERATING DATA REPORT DOCKET NO. .50-328 DATF JJ-2-89 COMPLETED BY T. J. Hollonen ~

TELEPHONE (615) 843-7528 l

OPERATING STATUS - ]

INotes  !

1. Unit Name: Seouoyah Unit Two i  ! l

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-2. _ Reporting Period: C L_i r 1989 Oc.4 e bqr '  ! t

3. -Licensed Thernial Power (mit): 3411.0 t i .

' 4.1 Nameplate Rating (Gross mie): 1220.6- t  !

a 5.' Design Electrical Rating (Net mie): 1148.0 1  !.

Maxiumsn Dependable Capacity (Gross mie): 1183.0.  ! t 6.

Maxiomsn Dependable Capacity (Net mie): 1148.0  !  ! I 7.

.8. If Changes Occur. In Capacity Ratings (Items Nunt>cr 3 Through 7) Since Last Report, Give Reasons:

N/A 9." Power Level To Which Restricted. If Any (Net mie): N/A

10. Reasons f or Restrictions, if Any: N/A i.

7 This Month Yr-to-Date Cumulative 4 11. Hours in Reporting Period- 745.0 7. 2% .0 . 65.041.0

12. Nisser of Hours Reactor Was Critical 745.0 5.003.0_ 32.189.0 13..Re.ctor Reserve Shutdown Hours 0.0 0.0 0.0 14.' Hours Generator On-Line 721.1 4.806.9 31.398.2

15. Unit' Reserve Shutdown Hours 0.0 0.0 0.0 l

16. Gross Theriaal Energy Generated (MI) 2.122.206 14.820.639  % .544.737 i

17. Gross Electrical Energy Generated (MI) 716.580 5.022.736 32.711.4 %

18. Net Electrical. Energy Generated (MI) 687.877 4.801.486 31.194.582

19. Unit Service Factor.  %.8 65.9 48.3

.20. Unit Availability. Factor  %.8 65.9' 48.3 ,

~21. Unit capacity Factor (Using MDC Net) 80.4 57.3 41.8 '

~22. Unit capacity Factor (Using DER Net) 80.4- 57.3_ 41.8

23. Unit Forced Outage Rate 0.0 7.8 46.0

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

An ice condenser outaca is scheduled in March '1990, with duration of 9 days.

25. If Shut Down At End Of Report Period, Estimated Date Of Startup: N/A e

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DATE: 11/1/m3 - 5 M .. r

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' REPORT N04TH:_Ostaber 19e9

'ComettTED sy:T_1 sent i --- ~ ~- 4 w1 (Paoe 1 of 2): -

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E TiLEPM04E:i615) 843-7528

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! Duration !

! Method of- .. . ! Licensee -

!5 hutting Down'! Eweet

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-Cav e and Cerrective

.~ Action to l'

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!' feci "! Date  ! Type'.  ! (tiours)' !. Reason'.  ! Reactor 8'  ! Report No.! Code

• 1 Code'  !'l Prevent Recorrence '  !

,e =!  !  !'  !  !  !=  !  ! '! 1,

. I .; 9 -  ! 89i003  ! .S  !- -

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! Fedeced pe=er to 58' -!

1 --

e e

! .!  !  !  !  !-  ! percent for usinteneace !

-!  !  !  !-  !  !-  !-  !~  !  ! on MFP 2A.J After 2A" .!- _

! * *'  !  ! meintenance compTete .'!

!  !  !  !  !'  !.  !  !  ! 1. performed meintenance  !^ ~ -

g 3  !  !  !  ! .!  ! -

.!.  ! on MFP 28. Weector. -!

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!  !  ! !_  !-  ! power returned te  !-

j  !  !  !  ! -!  !  !'  :?.100 percent on'10/6/89. !- 3

!  !  !  !  !. _!  !- f.

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! 1* 891015  ! S  !  ! B.  ! 5  !  ! !i .! Reacter pe=eF Vedeced !_

~;  !  !'  !.  !  !  !  !  !- .-! to 75 percent for~  !

3  !  !  !  !  ! .!'  !  ! -! maintenaMe on CDP 2B : !

!  !  !  !  !.  !  !  !  !  !. Int =e oi-? system, then  !

!  !  !  ! .!  !  !- .!  !  : ! on CSP 2A CU40 filters. !'

!  !  !  !  ! 1  !  !. '!  !-

! 11  ! 89T017  ! 5  !.  ! F 1 5  !  !  !-  ! Maintained reduced 1 -

1  !  !  !  !  !  !  !  ! '! pe=er for core life-  !.

!  !  !  !  !.  ! -! entension. Returned

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!  !  !  ! '!  !  !  ! to 100 percent ree-tor .!-

!  !  !  !  !  !  !  ! .!  ! power on 10/19/89 to  !-

!  !  !  !  !  !  !  !  !  ! seet Toad demands.'  !-

'F: Forced

• Reason: ' Method: *EaMbit G-Instructions 5: Schedu'ed A-Eauipment Failure (Emplain) 1-Mensal 'or preparation of Data B-Maintenance or Test 2-Manual Scram Entry sheets for Licensee C-Mafaelina 3-Automatic Scram .

-Event Weport (LER) File D-Reculatory Restruction .4-Continuation of Existing Octage (f*SE(MM T )

E-Operator Training and License Examination 54edvetion f'-Administ rat ive . .

%Other G-Operational Error (Emplae. ) 'Enhibit I-Sama Source  :. - .

H-Other (Explain) '-

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g IMIT SMUTDUMIS AND POWER REDUCTIONSL

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DATE!

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, Mi Jr REPORT NDPtTM. October 1989_-

. COMPLETED Bht.1. Heilemen

-(Page 2 of 2)~ ~

> TELEPHONE:f615) 543-7528 - , ~ j..;

I !1  !. =!.  !-  !'  ! Method of -! Licensee-- * . I  ! Cause and Corrective 11

! ~  !  !' . '! Durstion !_. !5 hutting Down ;~! Event.  ! Systee  ! Component ! Action to.  !:

! (Hours) !: Reason '! Reactor'-

i! No.  !' .! Type'  ! Report No.  ! Code

• 2 Code'  ! Prevent'Recorrence .  ;!'

-. -. Date .

• *  !  ! !1  !  !

!-12  ! 891024  ! 5-  ! 23.92  !: B  !- 5- .!'-  !- .1 -  ! Reduced reacter pe=er  !-

! -!  !  !.  !- .!:  ! .! to 30 percent te:  !

e  !  ! .! ._ ! -  !  !

!  ! parform turbine main 1. ~!

y +  ;  !  !  !-  !-  !  !.  ! tenance and test for . !

!  ;  !  ! *  !. 3 't -!  ! excessive vibration.  !

e . e

!-  ! 1:  !:  ! Unit remained at-  !

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i g.  ! .!  !  !  !-

• 30 percent, but was-- -!.

!  !~  ! -!  !  !  ! offline 23.92 hours0.00106 days <br />0.0256 hours <br />1.521164e-4 weeks <br />3.5006e-5 months <br />.  !

,  ; e +

!  ! '!.  ! . ! Reactor power increased !

!  !  !  !  !  !  ! to 75 percent on- '!'

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!  !  !  !.  !- .!  !  ! 10//27/89.  !:

! e-  ;!  !  !  !" '!  !-

! i3  ! 891027 S 1-  ! F'  !- 5  !'  !  !.  ! Maintain reduced power !

!.  !  !  !  !-  !  !;  ;! of 75 percent fe; core. ! ~~

!.  !.  ; e * * .

!  !  ! fife entension.  !.

'F: Forced

• Reason: . ' Method:

• Exhibit G-Insiructions S: Scheduled A-Equipment failure (Emplain)  !-Manual .for Preparation of Data B-Maintenance or Test 2-Manual Scram Entry sheets for licensee C-Refueling Automatic Scram - Event Report (LER) File D-Requiatory Restruction 4-Continuation of Existing Outage (NUREG-061)-

E-Operator Training and License Examination 5-Reduction F-Administrative 9-Other G-Operational Error (Explain) 'Eshibit~I-Same Source H-Other (Emplain) e

_ __ _ _ - s