ML20043A128

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Monthly Operating Repts for Apr 1990 for North Anna Power Station,Units 1 & 2.W/900515 Ltr
ML20043A128
Person / Time
Site: North Anna  Dominion icon.png
Issue date: 04/30/1990
From: Phillips T, Stewart W
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
SN-90-244, NUDOCS 9005180086
Download: ML20043A128 (12)
v • d • e


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VIHOINIA ISLECTRIC AND POWEH Com%NY : j RICHMOND,VINGINIA' 20U G1 -

May 15, '1990 ,

U. S. Nuclear Regu.latory Commission Serial No. .90-244

- Attention: Document Control Desk .NO/JMJ:Jm] ,

' Washington, D.C. 20555 - Docket Nos.' .50 338 50 339. .

1, License Mos. ' NPF-'4 -

NPF-7 Gentlemen:

VIRGINIA ' ELECTRIC- AND POWER COMPANY .

NORTH ANNA POWER STATION UNITS'1 ' AND '2 '

MONTHLY OPERATING REPORT-l I

l Enclosed is the Monthly Operating Report for North Anna Power Station Units 1 and 2:

forthe month of April 1990. <

Very truly yo s, .]

/

/

L W. .

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wart h 1 a

j Senior ice President - Nuclear j i'

Enclosures

- -i cc: U.S. Nuclear Regulatory Commission 101 Marietta Street, NW t Suite 2900 Atlanta, GA 30323 3 Mr. M. S. Lesser '!

NRC Senior Resident inspector North Anna Power Station q 1

.}

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VIRGINIAIPOWER COMPANY ~ -

NORTH ANNA POWER STATION.:

MONTHLY OPERATING REPORT-t y t

J MONTH: Anril - YEAR 5 1990 L

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.. L.. :t OPERATING DATA REPORT ,

00CKET100.:-[ ~ 50 338-i DATE: ' May 6, 1990_ .

COMPLETED BY: T.1Phlttlps- ,i PMONE: (703)894 5151 X2527- ~;

'0PERATING STATUS -!

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ll 1. Uni t Name s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Nor th Amo 1 -

l ' 2. Reporting Periodt..............'........... Apri1-1990 ,

l; 3. Licensed Thornet Power-(MWt) ;............ 2,893 -t l' 4 Nameplete Rettne (Gross MWe):............'.' 947

< 5.' Design Electrical Rating (Not MWe) ......~. 907 >

y L 6.' Mexisam Dependable Cepecity (Gross MWe):.. 959

7. Maximsa Dependable cepecity (Not NWe) .... 911 z

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8. -If changes occur in capacity Ratings (Items No. 3 thru 7) since Lest report, give reasons:-

,,, The capacity ratings were revised 1/1/90 due to a reduction in hot les temperature to reduce the Potential for primary water stress corrosion cracking therefore esteading steam generator life. .!

  • ~ Power generation was reduced due to a reduction in steam pressure .which resulted in revised /

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maximust capacitly ratings. ,

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9. Power level'to which restricted,.lf any (Not MWe): ,,,,,,N/A
10. Reasons for restrictione,'if any: N/A u

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-This Month YtD, -Cunnalative:  ;

11. Mours in Reporting -r Period................................ 719.0- .2,879.0' f103,931.0 d
12. Muuber of Hours Reactor was Cri t ical . . . . . . . . . . . . . . . . . . . . . 719.0 2,867.4 l74,109.9  !
13. Reactor Reserve Shutdown Hours........................... 0.0 0.0 ; L6,603.6 l
14. Hours Genedrator 0n Line................................. ~ 719.0-
2,845.0 71,339.0'-

.15. Unit Reserve Shutdown Hours.............................. 0.0 0.0 ' O.0 l

16. Gross Thermal Energy Generated (MWH)..................... 2,079,531.0~ 8,194,713.0 '190,085,491.0-
17. Gross E lectrical Energy Generated (MWH) . . . . . . . . . . . . . . . . . .- -692,781.0~ '2,728,432.0L 62,435,254.0
18. Net Electrical Energy Generated (MWH).................... .659,349.0., 2,597,709.0' 59,092,922.0. [

- 19. Unit Service Factor...................................... 100.0X 98.85 68.6% '

20. Unit Avellability Factor.................................' 100.0%  : 98.8X .68.6%
21. Uni t cepeci ty Factor (us ing lec Net) . . . . . . . . . . . . . . . . . . . . . 100.7% .99.0K 63.6% -
22. Unit cepecity Factor (using DER Net)..................... 101.11 99.5% 62.7X  !

-23. Forced outage Rate....................................... 0.0 1.2X 13.8Xi a

24. Shutdowns SchedJted Over Next 6 Months (Type, Dete, and Duration of Each): N/A' 1

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25. If Shutdown et end of Report Perlod, estimated time of Stortup ,,,,N/A
26. Units in Test Status (Prior to Comunercial Operation):

i- Forecast Achieved

INITIAL CRITICALITY p INITIAL ELECTRICITY COMMERCIAL OPERATION L

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' AVERAGE DAILY UNIT POWER LEVEL.

I Docket:No. '.: 50-338 Units. NA-1

-Dates .

May 3. 1990

~ Completed by:

T. Phillins- l Phone: (703)'894-5151 x2527 ,

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MONTE : 'Aoril 1990 i i I

.i 7-DAY AVERAGE DAILY POWER -DAY AVERAGE DAILY. LEVEL.

LEVEL (MWe-Net), . LEVEL ': (MWe-Met) 1 919 17 917 2' 918 18 919~

3 917 '19 918- 1 4- 918 .2 0 - 918- [

918-5 . 21;-

'919' 6 917 22 918-7 '918 23 ,916 .)!

8 918 2 4 '. 915 d 9 918 25' 915- 1 10 - 919 -' 26 914 n 11 918 27- 904' I

. 12 918 28 914-R 13 919 29. 915- i 14 919 30 916-15 919 16- 919 l 1

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Instructions On this-format, list the average daily. unit power level-in MWe-  ;

ll Net for each day in the reporting month. Compute to the nearest- F whole megawatt.

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UNIT SHUTDOWNS AND. POWER REDUCTIONS

' DOCKET NO.: 50-338 '

UNIT NAME: NA-l' DATE:- 'May-3,-1990 REPORT MONTH: April 1990. COMPLETED ~BY: ~T.'.Phillips

. PHONE: . (703)894-5151 x2527 1 2 3 4 5 No. Date Type Duration Reason Method of Licensee . System Component Cause'& Corrective (hrs) Shutting Event . Code Code- Action to- '

Down Reactor. Report # ~ Prevent Recurrence

  • No entry this month l

t 1: Type . 2: Reason- '3 : Method ~ 4: .

F= Forced A= Equipment-Failure ^(explain) 1= Manual Exhibit F-:- Instructions S= Scheduled B= Maintenanceor Test- '2= Manual Scram for preparation of Data C= Refueling 3= Automatic Scram . Entry. Sheets.for Licensee :l D= Regulatory: Restriction 4= Continuations  : Event Report--(LER) File '1

-E= Operator Training & Licens'e Examination'

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5= Load Reduction: (NUREC-0161)-

F= Administrative 9=Other G= Operational. Error ~ 5.

H=Other (explain) Exhibit:H -~Same-Source

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-UNIT'SRUTDOWN AND POWER REDUCTIONS Explanation' Sheet-t'

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Docket No.: '50-338' Report Month' -Acril' '

~ Unit-'Wase NA

  • Years- 1990'- Dates- May-3. 90 completed bya. Todd Phillins ,

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  • No entry this. month- 1 i

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NORTE ANNA POWER f>TATION +

UNIT NO. 1

-NONTE: Anril

SUMMARY

OF OPERATING EXPERIENCE f

Listed below in chronological sequence is a ' summary of.

operating experiences- for this month which required load reductions.  ;

or resulted in significant non-load related incidents..  ;

1 Date Time Data April 01, 1990 0000 Began month,with Unit at- 100%,'965MW.

April 27, 1990 0855 Commenced ~ ramp down to 90%cpower' for  :

1-PT-34. 3,. Turbine Valve Freedom' Test.. ~i 1

0945 (

Unit stabilized at 860 MW'for.

Turbine: Valve. Freedom Test. p 1040 -Completed; Turbine Valve: Freedom Test-satisfactorily.

1040 -Commenced ramp-up to'96% power.

l 1100' . Unit stabilized at 97% power for- d

Chemistry hold. (

1208 Commenced: ramp-up..to 100% power.

1234 Unit stabilized at 100% power,/965MW.

L April 31, 1990 2400 Ended. month with Unit at 100%, 965MW.

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;' . OPERATING DATA REPORT r o iXET No.
J 50 339 vaTE - May 64 1990 l COMPLETED sY:-. T. Phittipo i PHONE 3 (703)894 5151 M2527 >  ;

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' OPERATING STATUS

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1. y Uni t Name s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . North Anne 2 -
2. Reporting Perlada..'....................... April 1990 *
3. e Licensed Thornet Power (MWt): .. .. .. . .... . . . 2893 '

'4 Nameplete Rating (Gross MWe):.............' 947 . 1

- 5. Design Electricot Reting CNet MWe) ....... 907 -

6.-- Menlana Dependebte Cepecity (Gross MWe):.. 957 {

7. l Nexteam Dependable cepecity (Not MWe):.... '909l .1
8. -If changes occur in capacity Retings (Items No. 3 thru 7) since last report, give reasons:

- He ca.ucity ratings were revised I/ ISO due: to a reduction in hot les teenperature to reduce the  ;

_ potential for primary water stress corrosion cracking therefore extending steam generator life, il Power generation was reduced due to a reduction in steam pressure which'resuhed in revised 'r maximum capacitly ratings.

9. Power level to which restricted,'If'eny (Not MWe): _ N/A U
10. Reasons.for restrictions, if any: N/A ,

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This Month. YtD Cumulative

.11. Hours i n Repor t i ng Per i od. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 719.0 2,879.0. 82,199.0 j

12. Number of Hon.rs Reec t or was cr i t i ca t . . . . . . . . . . . . . . . . . . . . . 719.0 J2,879.0 67,001.1 P

'13. Reactor Reserve Shutdown Hours.........................'.. 0.0 0.0 ' 5,854.9

14. Hours Genedrator 0n Line................................. 719.0 - 2,879.0- 66,130.9 i 2 15. Uni t Reserve Shutdown Hours. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . " 0.0 ' 0.0 0.0 '
16. Gross Thermal Energy Generated (MWM). . . . . . . . . . . . . . . . . . . . . 2,078,318.7  : 8,323,729.7 176.470,076.7' <
17. Gross Electrical Energy Generated (MWM).................. 685,431.0 2,750,435.0 57,755,952.0 .
18. Not Electrical Energy Generated (MWM). . . . . .... ... .. .. . ... 651,465.0 2,617,618.0 55,456,450.0
19. Unit Service Factor...................................... 100.0X 100.0X 80.51 .;

('- 20. Unit Avellability Factor................................. 100.01 - 100.0X 80.51 '

21. Uni t cepeci ty Factor (us ing ICC Net) . . . . . . . . . . . . . . . . . . . . . 99.7X 100.0X 75.11
22. Uni t . Cepeci ty Fac tor (us ing DER Net) . . . . . . . . . . . . . . . . . . . . . 99.9X 100.21 74.4X 23.' Forced Outage Rate....................................... 3'

- 0.0X - 0.0X 6.9% ..

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

_ U2

  • Refueling /10 year ISI outtage scheduled 09/07/90

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( 25. If Shutdown et end of Report Period, estimated time of Startups _M/A_

26. Units in Test Status (Prior to Commercist Operation):

Forecast Achieved i: INITIAL CRITICALITY l INIT!AL ELECTRICITY COMMERCIAL OFCRATION  !

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.i AVERAGE DAILY, UNIT POWER LEVEL .

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i Docket No.: 50-339' j

1 Unit ~ , NA-2 Dates' May 3. 1990 1 completed'by: -T. Phillins-Phones (703) 894-5151 x2527'

=t MONTH- ADril 1990 I

. DAY- AVERAGE DAILY POWER- AVERAGE DAILY-LEVEL

-DAYS '

LEVEL (MWe-Net) LEVELT(MWe-Net)- l

1 909 17 -908 i 2 907- '18 909 3 907 19 909 4 908 20, 908 5 ~908= '21. -883 7

-6 907 22 906-7- 907i 23 905 8- 908 24? 905 ~

9 908 25- 905

,- 10 908 26 '904 11 907 27 ' 903  ;

12 907  : 2 8' 905' 13 907 '

29. 906 -

14 908 30 906 i' 15 908 l- 16 907 ,

Instructions On 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 SRUTDOWN AND POWER REDUCTIONS ,

Explanation Sheet ~

k Docket No. 50-339 Report Month Aoril Unit Name NA-2

  • Years 1990 Dates May 3. 90 Completed by: Todd Phillies l l
  • No entry this month  ;

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 339 '

UNIT NAME: NA-2 DATE: May 3, 1990

.. REPORT MONTH: April 1990 COMPLETED BY: T. Phillips PHONE: (703)894-5151 x2527 1 2 3 4 5

'No. Date Type Duration Reason Method of- Licensee System Component Cause & Corrective (hrs) Shutting Event Code Code Action to Down Reactor Report # Prevent Recurrence

.cNo entry this month la Type 2: Reason .3: Method 4:

F=Fcrced A= Equipment Failure (explain) 1= Manual Exhibit F - Instructions S= Scheduled B= Maintenance-or Test 2= Manual Scram. for preparation of Data

'C= Refueling 3= Automatic Scram Entry Sheets for Licensee D= Regulatory Restriction 4= Continuations Event Report ~(LER) File E= Operator Training & License Examination 5= Load Reduction (NUREG-0161)

F= Administrative 9=Other G= Operational Error 5:

H=Other (explain) Exhibit H - Same Source.

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.. t MORTM ANNA POWER STATION-UNIT NO.t 2  ;

NONTN Acril i

SUMMARY

OP OPERATING EXPERIENCE  ;

Listed below in chronological sequence is a summary of  :

operating experiences for this month which required load reductions or resulted in significant non-load related incidents..  !

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Dein Time Data April 01, 1990 0000 Began month with Unit at LOO %, 953MW.

April 21, 1990 0835 ~ Commenced ramp down to 90% powor'for'

.2-PT-34.3, Turbine Valve Freedom Test.'

L 0912 Unit stabilized at 875 MW for Turbine valve Freedom Test.

1014 Completed Turbine Valve Freedom Test satisfactorily.

1315 Commenced ramp-up to 96% power. f 1400 Unit stabilized at 96%. power, for LP j Heater Drain Pumps.  ;

1740 -Commenced ramp-up to'98%' power, for Calorimetric.

i 1757 Calorimetric completed' satisfactorily.

j Commenced ramp-up to 100% power.

4 1900 Unit stabilized at 100% power, 955MW. .

April 31, 1990 2400 Ended month with Unit at 100%, 955MW. '

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