ML20149G266

Monthly Operating Rept for Sept 1994 for North Anna Power Station Units 1 & 2

ML20149G266
Person / Time
Site:	North Anna
Issue date:	09/30/1994
From:	Bowling M, Stall J VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
94-588, NUDOCS 9410200102
Download: ML20149G266 (12)

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VIltGINIA ELiscritic ann Powren COMI%NY Hicunonn,Vinuiurr unen October 12, 1994 U. S. Nuclear Regulatory Commission Serial No.94-588 Attention: Document Control Desk NL&P/GSS R0 Washington, D.C. 20555 Docket Nos.

50-338 50-339 License Nos. NPF-4 NF -7 Gentlemen:

VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNITS 1 AND 2 MONTHLY OPERATING REPORT Enclosed is the Monthly Operating Report for North Anna Power Station Units 1 and 2 for the month of September 1994.

Very truly yours,

/$

M. L. Bowling, Manager Nuclear Licensing and Programs Enclosure cc:

U.S. Nuclear Regulatory Commission Region ll 101 Marietta Street, NW Suite 2900 Atlanta, GA 30323 Mr. R. D. McWhorter NRC Senior Resident inspector North Anna Power Station 3 U f. O )

r 9410200102 940930 PDR ADDCK 0500o338 r' I l

'R PDR

I VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH:

September YEAR:

1994 Approved:

J AdStationManager c

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C?ERATING DATA REPORT DOCKET No.:

50-338 DATE: October 5, 1994 CONTACT: J. A. Stall PHONE: (703) 894-2101 OPERATING STATUS 1

1.

Un i t N ame :............................... N o r t h A nna 1 2.

Reporting Period:........................ Sept ember 1994 3.

L i censed Therne t Power (MWt ) :.............

2,893 4.

Nameplate Rating (Gross MWe):.............

994 5.

Design Electrical Rating (Met MWe):.......

907

' o.

Maximum Dependable Capacity (Gross MWe):..

948 7.

Maximum Dependable capacity (Net MWe):....

900 8.

If changes occur in Capacity Ratings (!tems No. 3 thru 7) since last report, give reasons:__N/A 9.

Power level to which restricted, if any (Net MWe): ___N/A

10. Reasons for restrictions, if any:

N/A This Month Y-t-D Cumulative

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

720.0 6,551.0 142,667.0

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

192.4 6,023.4 106,429.1

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

27.2 27.2 6,854.0

14. Hours Generator On-Line..............

192.3 6,023.3 103,464.2

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

0.0 0.0 0.0

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

319,002.3 16,131,433.7 274,583,670.1

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

100,865.0 5,314,195.0 90,229,552.0

18. Net E lect rical Energy Generated (MWH).................

92,503.0 5,038,866.0 85,445,451.0

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

26.7%

91.9%

72.5%

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

26.7%

91.9%

72.5%

21. Unit capacity Factor (using MDC Net).

14.3%

85.5%

67.0%

22. Unit Capacity Factor (using DER Net).

14.2%

B4.8%

66.0%

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

0.0%

0.0%

10.2%

24. Shutdowns Scheduled Over Nszt 6 Months (Type, Date, and Duration of Each)__ Refueling. 09/09/94, 31 days

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

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

Forecast Achieved INITfAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

AVERAGE DAILY UNIT POWER LEVEL Docket No.:

50-138 Unit:

NA-1 Date:

Qatober 5, 1994

Contact:

J. A.

Stall Phone:

(703) 894-2101 MONTH: Sentember 1994 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

LEVEL (MWe-Net) 1 505 17 0

2 484 18 0

3 4G6 19 0

4 485 20 0

5 484 21 0

6 483 22 0

7 481 23 0

8 445 24 0

9 15 25 0

10 0

26 0

11 0

27 0

12 0

28 0

13 0

29 0

14 0

30 0

15 0

16 0

1 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.

NORTH ANNA POWER STATION UNIT NO.:

1 MONTH:

September

SUMMARY

OF OPERATING EXPERIENCE i

Page 1 of 1 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.

Date Time Data l

September 01, 1994 0000 Began month with unit at 60.3% power, 550 MWe in a power coastF. awn for upcoming refueling outage.

September 09, 1994 0017 Main Generator taken off-line for refueling outage.

0025 Unit entered Mode 3.

1000 Unit entered Mode 4.

September 10, 1994 0335 Unit entered Mode 5.

September 14, 1994 0042 Unit entered Mode 6.

September 18, 1994 1430 Unit defueled.

September 24, 1994 1500 Unit entered Mode 6.

F September 29, 1994 1717 Unit entered Mode 5.

September 30, 1994 2400 Ended month with unit in Mode 5.

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Page 1

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UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:

50-338 Report Month September Unit Name:

NA-1 Year:

1994 Date: October 5, 1994

Contact:

J.

A.

Stall

1. 94-06 September 09, 1994 Unit manually taken off-line at 0017 hours1.967593e-4 days <br />0.00472 hours <br />2.810847e-5 weeks <br />6.4685e-6 months <br /> and shutdown for normally scheduled refueling outage.

I

UNIT SHUTDOWNS AND POWER REDUCTIONS y

DOCKET NO..

50-338 UNIT NAME:

NA-1 DATE: October 5, 1994'-

REPORT MONTH: September 1994 CONTACT:

J.

A.

Stall PHONE: (703) 894-2101' i

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 94-06 940909 S

527.7 C

1 N/A N/A N/A 1: Type 2: Reason 3: Method 4:

F= Forced 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 i

E= Operator Training & License Examination S= Load Reduction (NUREG-0161)

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

H=Other (explain)

Exhibit H - Same Source w

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w

. - ~

e

~m..

m..-.

_m m

DPERATING DATA REPORT DOCKET NO.:

50-339 DATE: October 5, 1994 CONTACT:

J. A. Stall PHONE: (703) 894-2101 OPERATING STATUS 1.

'Un i t N ame s............................. N o r t h A nna 2 2.

R epor t i ng P e r i od:..................... September 1994 3.

Licensed Thermal Power (MWt):

2893 4,

Nameplat e Rat ing ( Gross KJe).............

9 79 5.

Design Electrical Rating (Net MWe):.......

907 6.

paximum Dependable capacity (Gross MWe):.

935 7.

Maximum Dependable Capacity (Net MWe):

887 i

8.

If changes occur in Capacity Ratings (ltems No. 3 thru 7) since last report, give reasons: __N/A 9.

Power level to which restricted, if any (Net MWe): ___N/A

10. Reasons for restrictions, if any:

N/A This Month Y t-D Cunulative

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

720.0 6,551.0 120,935.0

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

720.0 6,350.9 100,724.5

13. Reactor Reserve Shutdown Hours..

0.0 95.7 6,508.9

14. Hours Generator on-Line...........

720.0 6,309.3 99,626.7

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

0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH)................. 2,070,988.9 18,002,360.9 270,228,018.6

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

665,603.0 5,814,703.0 88,410,179.0

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

631,619.0 5,524,257.0 84,573,958.0

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

100.0%

96.3%

82.4%

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

100.0%

96.3%

82.4%

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

98.9%

95.1%

77.7%

22. Uni t Capaci ty Factor (using DER Net)...................

96.7%

93.0%

77.1%

23. F o r c ed Out a g e R a t e....................................

0.0%

3.7%

5.3%

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):_ Refueling / Steam Generator Replacement, 03/11/95, 105 days

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

N/A

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERAT!DN t

l l

i l

i I

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AVERAGE DAILY UNIT POWER LEVEL Docket No. :

50-339 Unit:

NA-2 Date:

. October 5, 1994

Contact:

J.

A.

Stall Phone:

(703) 894-2101 MONTH: September 1994 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Ne t)

LEVEL (MWe-Net) 1 884 17 884 2

886 18 882 3

799 19 881 4

803 20

'881 5

887 21 882 6

886 22 881 7

885 23 882 8

885 24 882 9

882 25 882 10 881 26 881 11 882 27 882 12 882 28 882 13 882 29 882 14 882 30 883 15 881 16 882 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.

j NORTH ANNA POWER STATION UNIT NO.:

2 MONTH:

September

SUMMARY

OF OPERATING EXPERIENCE Page 1 of 1 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.

Date

_ Time Data September 01, 1994 0000 Began month with unit at 100% power, 930 MWe.

September 03, 1994 0227 Commenced unit ramp-down for TVFT.

0300 Unit stable at 91.5% power, 850 MWe for TVFT.

September 04, 1994 1825 TVFT completed satisfactorily.

1829 Commenced unit ramp-up to 100% power.

1932 Unit stable at 100% power, 931 MWe.

September 30, 1994 2400 Ended month with unit at 100% power, 930 MWe.

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i Page 1

of 1

UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:

50-339 Report Month September Unit Name:

NA-2 Year:

1994 Date: October 5, 1994

Contact:

J.

A.

Stall

• No entry this month.

DOCKET NO.:

50-339.

UNIT NAME:

NA-2 DATE: October 5,'1994 REPORT MONTH: September 1994 CONTACT:

J.

A.

Stall PHONE: (703) 894-21El 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.

1: Type 2: Reason 3: Method 4:

F= Forced 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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