ML20059J516

Monthly Operating Repts for Aug 1990 for North Anna Power Station Units 1 & 2

ML20059J516
Person / Time
Site:	North Anna
Issue date:	08/31/1990
From:	Phillips T, Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
90-566, NUDOCS 9009200037
Download: ML20059J516 (12)

Text

,

l.

t VinGINIA E1.tcTalC AND POWER COMPANY

[

Rici:MONU, VincrNIA 23261 September 14,1990 l

U. S. Nuclear Regulatory Commission Serial No.

90 566 Attention: Document Control Desk NL&P/JMJ:Jmj Washington, D.C. 20555 Docket Nos.

50 338 r

l 50 339 License Nos. NPF 4 NPF-7 i

Gentlemen:

YlRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNITS 1 AND 2 MONTHLY OPERATING REPORT Enclosed is the Monthly Operating Repor1 for North Anna Power Station Units 1 and 2 for the month of August 1990.

l Very truly yours,

\\k W. L. Stewart Senior Vice President Nuclear Enclosures cc:

U.S. Nuclear Regulatory Commission 101 Marietta Street, NW Suite 2900 Atlanta, GA 30323 Mr. M. S. Lesser i

NRC Senior Resident inspector North Anna Power Station 164+

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VIRGINIA POWER COMPANY.

WORTM ABOIA POWER STATION NONTELY OPERATING REPORT NONTMs _Auoust YEARt 1990 j

i Approved:

O,

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tation Manager S

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OPERATING DATA REPORT i

DOCKET NO.:

5C:338

.I DATE:

September 4, 90 f

COMPLETED BY LT. Phillips PHONE:. (703) 894 2537 i

l' I

i H

OPERATING STATUS 1.

Uni t Name s................................N or t h Anna 1 2.

Reporting Periods......................... August 1990 3.

L i censed Thermal Power (Wt ):.............

-2,893 4.

Namepl ate Rat ing (Gross We).............

947 5.

Design Electrical Rating (Net W e).......

.907

' t

-6. - Maxinun Dependable Capacity (Gross We):,.

959 7.

Maximum Dependable Capacity (Net MWe)....

911' 8.

If changes occur te, Capacity Ratings (items No. 3 thru 7) since last report, give reasonst:

N/A

9. - Power level to which restricted, if any (Net We):

,,,,,,N /A

10. Reasons for restrictions, if any:

N/A This Month.

YtD ~

. Canulative

11. Hours in Reporting Period......,.........................

.744,0 5,831.0 106,883.0-

12. Ntaber of Hours Reactor was Cri t ical.....................

744.0'

=5,819.4 77,061.9 L

13. Reactor Reserve Shutdown Hours...........................

0.0 0.0 6,603.6 g

14. Hours Generator 0n-Line..................................

744.0 5,797.0 -

74,291.0

15. Unit Reserve Shutdown Hours..............................

0.0 '

' O.0 '

O.0 -

16. Gross Thermal Energy Generated (MWH).....................

2,148,642.4-16,706,471.9 198,597,249.9

17. Gross Electrical Energy Generated (MWH)..................

707,195.0 5,542.966.0_

65,249,788.0

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

672,026.0 5,271,222.0.

61.766,635.0

19. Unit Service Factor......................................

100.0%

z99.4%

69.5%

4i 20; Unit Availability Factor.................................

100.0%

99.' %

69.5%'

"^

4

21. Unit Capacity Factor (using MDC Net).....................

99.2% -

'99.1%

64.6%

22. Unit capacity Factor (using DER Net).....................

99.6%-

99.7%

63.7%-

23. Forced Outage Rate.......................................

0.0 0.6%

13.0%:

r

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

,,f60 day Refueling Outage scheduled 1/4/91

25. It Shutdown at end of Report Period, esticated time of Startups _ N/A

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

Forecast Achieved

!NITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

.~.

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A j

r l AVERAGE DAILY UNIT POWER LEVEL' l

Docket No.si 50-338'

~ Units NA-1--

- Date:-

Seotember 4.

' 90-

[

Completed byt.

T.

Phillins' "l

' Phene -

(703) 894-2537:

y 4

I i

MONTH:-

Auaust~1990 y

4 DAY AVERAGE DAILY POWER DAY 1 AVERAGE' DAILY' LEVEL-LEVEL (MWe-Net).

' LEVEL (MWe-Net)'-

l 1

905 16

'904-2' 911 17.

904 3

913

,1 81 903 r

4 904

>19E 903 5

905 20L

• 904 t

6 906

21' 906 7

905' l 221 905 3

8 906

'23 904 9

906 24 906 10 906 25 1907 E

11 887

-26' 907 f

12 906 27 906 f!

13 905

'28 906' 14 904-

29 904 ll 15 904 130 905-31 855

.i

'f o

Instructions:

.i on this format, list the. average daily. unit power level in.MWe--

' Net for each uy in the' reporting-month, compute'to the nearest.

[

whole megawatt.

t e

t h

1

-l Q

l Page-1 o f __2.'

l UNIT SRUTDOWN AND. POWER REDUCTIONS Explanation Sheet i

t Docket No. :

50-338 j

t Report Month Auaust' Unit Name -

NA-1 Yeart: 1990-

' Dates. -Sentember 4.

'90 i

1 completed =by -

Todd'Phillins-

+

..*No entry this month i

-3 4

4 l

ll

)

dq 4

s

-j t

4

m UNIT SHUTDOWNS AND POWER REDUCTIONS

~

1 DOCKET NO.:

50-338,

' UNIT NAME:

NA-1 DATE:

September 4, 1990-REPORT MONTH: August 1990 COMPLETED BY:

-T.

Phillips PHONE:.

(703).894-2537.

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 4.+

e.

1: Type 2:. Reason 3: Methoo~

4:

F= Forced A= Equipment ~ Failure--(explain) 1= Manual Exhibit Fi-~' Instructions S= Scheduled

-B= Maintenance or Test' 2= Manual Scr '.-

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 &fLicense Examination:

S= Load Reduction (NUREG-0161).

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

'H=Other'(explain)

Exhibit H - Same Source mm,.

w

.em euw_'

g

.ve.b--

m.ir-<.-

e-'

• -w7'"N" C-

^-

h

• --#~' ' ' ^ ^ ^ * - - -

p

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b l4.

4 NORTH ANNA POWER' STATION UNIT No.:

'l I

MONTH:

Auaust' i

J E

i

SUMMARY

OF OPERATING EXPERIENCE L

Listed-'below -in. chronological 1. sequence __is a: summary.of operating experiences for this month which required load _ reductions o

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

Date Ting Data August 01,.1990 0000 Began month _with Unit at. 100%, 956MW.

August 11, 1990 0143.

Shutdown 1-SD-P-1B, High Pressure-heater drainLpump.for maintenance;.

Reactor power not reduced..

2238 1-SD-P-1B returned to' service.

August 31, 1990 0815 Commencedoramp-down.to:92% power for i

1-PT-34.3J TVFT.

0922 Unit stablized.atl876MW,i92%; power.

1032 1-PT-34.3. completed' satisfactorily;'

Unit held =at?92% foral-PT-24.1,1NI calibration.-

August 31, 1990 2400 Ended month'with unit at 92%, 876MW, in-Chemistry-holdffollowing TVFT.

l' u

1-l L

L

-< ~

1 4

l OPERATING DATA REPORT e

DOCKET Wo.:-

. SU 339 DATE:

.. September 4, 90 COMPLETED BY ' T. Phillips '

PHONE: (703) 894 2774 f

OPERATING STATUS 1.

Un i t N ame s................................ N o r t h Anna 2 r

~2.

R epor t i ng Peri od s......................... Augus t 1990

-l 3.

Licensed Thermal Power ( W t).............

2893 4.

Nameplate Rating (Gross W e)..............

~947 4

5.

Design Electrical' Rating (Net W e):.......

907y 6.

Maximum Dependable Capacity (Gross We):..

957

~

7.

Maxinun Dependable Capacity (Net MWe):....

909-8.

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

N/A 9.

Pcuer level to which restricted, if any (Net We): _N/A

10. Reasons for restrictions, if any:

N/A _

i i

This Month'

Y.t D

. Cumulative j

.i '

'i

11. Hours in Reporting Period................................

744.0,..

5,831.0 85,151.0,

12. Number of Hours Reactor was Critical.....................

483.3-

,5,570.3 69,692.4 F

13. Reactor Reserve Shutdown Hours...........................

36.9' 36.9 l5,891.8 l

14. Hours Generator 0n Line..................................

483.2 '

- 5,570.2. -

68,822.1-

?

15. Unit Reserve Shutdown Hours..............................

0.0

'O.0~

' 0. 0 i

16. Gross Thermal Energy Generat ed (WH).....................

893,582.8 15,267,117.4' 183,413,464.4-

17. Cross Elect rical Energy Generated (WH)..................

289,100.0 5,027,524.0?

60,033,041.0-

18. Net E l ec t r i cal Energy Generated (WH ).................... '268,213.0 4,769,708.0

.57,608,540.0

19. Unit Service Factor...............'.......................

64.9%.

~ 95.5% ' '

80.8%

20. Unit Availability Factor.................................

64.9%-

95.5%

80.8%'

21. Unit capacity Factor (using MDC Net).....................

39.7%'

89.6%:

75.3%

22. Unit capacity Factor (using DER Net).....................

39.7%

90.2% -

74.6%

23. Forced Outage Rate.......................................

4.7%

- 0.4% '

' 6.5% :

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

• 75 day Refueling /10 year ISI outage started 8/22/90

25. If Shutdown at end of Report Period, estimated time of Startup:

'11/5/90

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

/

Forecast Achieved lNITIAL CRITICALITY INITIAL ELECTRICITY 4

COMMERCIAL OPERATION

)

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{

AVERAGE: DAILY UNIT POWER LEVEL

. Docket No. -

50-339 Unit

'NA-2 i

Dates Seotember 4.

'90 completed'by:

-T.

Phillins

. [

Phones-(703) 894-2537

-f ti MONTH:

Auaust 1990 i

s DAY.

AVERAGE DAILY POWER'

-DAY

-AVERAGE DAILY: LEVEL 1 LEVEL (MWe-Net)

LEVEL (MWe-Met)'.

1 675

'16 416' 2

668 17 416 l

3 664 18 416 1

4 666

' 19.'

'414-5 656

.20.

406' 6

645 2 11

-141

' l 7

644

'22; O

8 642 23.

0-j 9

641 24 0'

10 631 25:

O 11 600

. 2 6 --

0-12 596

'27'

=0

[

13-525

.28' O

,l i

14 417 c

29-

'O' 15 418 30'.

"O 4

' 31 "

0-

.t 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

. i 4

- whole megawatt.'

i

~!y

4 Page 1

of a UNIT SHUTDOWN AND POWER REDUCTIONS-Explanation Sheet Docket No.:

50-339 Report Month' Auaust

-Unit Name NA Years 1990 Dates-Sectember 4, 90 Completed by:

Todd Phillins i

1. 90-1 August 13, 1990:

2!

Ramped down from 75.7 to 50% power.~due to Hi-His alarm?

on 2-MS-RM 293, Main Steam header N-16 radiation monitor.

Remained at approximately-50%. power.

Load reduction for Administrative reasons.

1. 90-2 August 20, 1990 commenced ramp down to shutdown due-to Hi j

primary-to-secondary leakage detected on.2-MS-RM-291,.

j "B" Steam Generator N-16 radiation monitor,fand Hi-HiL j

alarm cn1 2-MS-RM-293.

Load reduction forcAdministrative reasons.

a

'l August 21, 1990 Main Generator taken off-line at 0310 hours0.00359 days <br />0.0861 hours <br />5.125661e-4 weeks <br />1.17955e-4 months <br />._ Unit entered mode 3 at 0323 hours0.00374 days <br />0.0897 hours <br />5.340608e-4 weeks <br />1.229015e-4 months <br />.

Unitientered mode'4-at 1933 hours0.0224 days <br />0.537 hours <br />0.0032 weeks <br />7.355065e-4 months <br />.

k

9 UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: -3 39. l :

UNIT NAME:

NA-2 DATE:

September 4, 1990'

-REPORT MONTH:

August 1990 COMPLETED'BY:

T. Phillips y

PHONE:-.(703) 894-2537 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 90-1 900813 F

175.1 F

5-N/A MS RM S/G Maintenance scheduled--

~

during upcoming outage.:

l90-2 900821 F-242.4 F

5

~N/A

_MS RM

.S/G-Maintenance scheduled

.during upcoming outage t

=.

t..

1: Type 2: Reason..

3: Method.

.4:

~F= Forced A= Equipment Failure'(explain).

'l= Manual..

Exhibit.F

~ Instructions-S= Scheduled

-B= Maintenance or TestL~

2=ManualiScram-for preparation ~of Data-C= Refueling'.

3= Automatic Scram Entry

Sheets for Licensee' D= Regulatory: Restriction-4= Continuations ~

Event ReportE(LER) ~ File E= Operator-Training &. License;ExaminationL 5= Load Reduction' l(NUREG-0161)'

F= Administrative ~

~

9=Other G= Operational Error 5:

H=Other'(explain)-

~

Exhibit.H - Same.-Source-

7.

';- *Il.;

)

a

,i 3

e L' :

~

NORTH ANNA' POWER-STATION:

)

UNIT.MO.

.2' l

MONTH.

Auaust F

SUMMARY

OF 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, j

')

Date Time Data l

..t August 01, 1990 0000 BeganLmonth with' Unit at 75L7%,1 fl

752MW..

'l August 13, 1990 1432

. Commenced.rampLdown to 50%'due"to'

Hi-Hi alarm on 2-MS-RM-293, N-161 radiation monitor.-

1532 Unit stabilized atL47.7%,f425MW..

s August 20, 1990 2138 Commenced ramp 1down due to.

a increasing l primary-to-secondary leakage in 2-RC-E-1B.

j

' Main Generator >off-line.

August: 21, 1990 0310 L

.i 0323

' Unit entered ModeA3.

0357 Reactor 1 Trip breakers opened.

A 1

1933 Unit entered Mode 4.-

R August 22, 1990 1612

- Unit: entered: Mode 5.

d August 31, 1990-2400 Ended-month with Unit in Mode 5, 0%.:

.;f 4

3 I

e, 1

2 1,

.