ML20094H360

Monthly Operating Repts for Oct 1995 for North Anna Power Station

ML20094H360
Person / Time
Site:	North Anna
Issue date:	10/31/1995
From:	Saunders R, Stall J VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
95-580, NUDOCS 9511140138
Download: ML20094H360 (12)

Text

. _. -

. =..

VIRGINIA ELECTRIC AND Powen COMI'ANY RICIIMOND,VIROINIA 200 61 November 8,1995 4

i U. S. Nuclear Regulatory Commission Serial No.95-580 Attention: Document Control Desk NL&OS/JHUCMC Washington, D.C. 20555 Docket Nos.

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

VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNITS 1 AND 2 MONTHLY OPERATING REPORT Enclosed is the October 1995 Monthly Operating Report for North Anna Power Station Units 1 and 2.

Very truly yours, R. F. Saunders Vice President-Nuclear Operations Enclosure cc:

U.S. Nuclear Regulatory Commission Region ll 101 Marietta Street, NW Suite 2900 Atlanta, GA 30323 j

Mr. R. D. McWhorter NRC Senior Resident inspector North Anna Power Station

.<.4 i

s i i V '_ e1 951114o138 951031 PDR ADOCK 0500o338

/

l R

PDR l

. ~..

. ~.

4 i

j i

VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT 1

1 MONTH:

October YEAR:

1995 1

l l

1 l

I l

l l

I f

Approved:

Oh ELL' pT stauon Manager m

OPERATING DATA REPORT DOCKET NO.:

50-338 DATE: November 5, 1995 CONTACT: J. A. Stall PHONE: (703) 894-2101 OPERATING STATUS 1.

Unit Name:................................ North Anna 1 2.

R eport i ng Per i od:........................ 0c t ober 1995 3.

Licensed Thermal Power (MWt):.............

2,893 4.

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

994 5.

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

907 6.

Maximum Dependable capacity (Gross MWe):..

940 7.

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

893 8.

If changes occur in capacity Ratings (Items 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 i n R eport i ng Per i od.................................

745.0 7,296.0 152,172.0

12. Nunber of Hours Reactor was Cr i t ical......................

745.0 7,274.6 115,722.4

13. R: actor Reserve Shutdown Hours............................

0.0 20.9 6,951.4 it. Hours Generator 0n-Line...................................

745.0 7,269.8 112,723.5

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

0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH )...................... 2,154,437.2 20,960,264.4 301,145,844.3

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

706,678.0 6,878,827.0 98,954,447.0

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

671,999.0 6,541,165.0 93,743,451.0

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

100.0%

99.6%

74.1%

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

100.0%

99.6%

74.1%

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

101.0%

99.9%

68.9%

22. Uni t Capaci ty Fact or (using DER Net)......................

99.5%

98.8%

67.9%

23. Ftrced Outage Rate........................................

0.0%

0.4%

9.4%

25. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):_ Refueling Outage Scheduled far February 10, 1995, Duration 34 Days

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

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

l AVERAGE DAILY UNIT POWER LEVEL Docket No.:

50-338 l

Unit:

NA-1 Date:

November 5, 1995 Contact J. A. Stall Phone:

(703) 894-2101 l

l MONTH: October 1995 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

LEVEL (MWe-Net) t -

1 902 17 904 l

2 902 18 905 l

3 901 19 901 l

4 901 20 902 5

901 21 902 6

901 22 901 7

901 23 901 8

901 24 901 9

902 25 902 10 904 26 901 11 904 27 894 12 904 28 903 13 904 29 902 14 904 30 902 15 905 31 902 16 903 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 i

UNIT NO.s 1

MONTH:

October

SUMMARY

OF OPERATING EXPERIENCE Page 1 of 1 Listed below in chronological sequence is a

summary of operating i

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

Date Time Data i

October 01, 1995 0000 Began month with unit at 100% power, 948 MWe.

October 27, 1995 0918 Commenced power reduction from 100%, 948 MWe for Turbine Valve Freedom Test (TVFT).

1004 Unit stable at 93% power, 875 MWe for TVFT.

1111 Completed TVFT satisfactorily.

1133 Commenced ramp up to 100% power from 92% power, 873 MWe, 1245 Unit stable at 100% power, 944 MWe.

October 31, 1995 2400 Ended month with unit at 100% power, 947 MWe.

1 i

Page 1

of __1 i

UNIT SHUTDOWN AND POWER REDUCTIONS i

Explanation Sheet I

Docket No.:

50-338 Report Month October Unit Name:

NA-1 Years 1995 Date: November 5, 1995

Contact:

J.

A.

Stall No entry this month.

i 1

l l

i i

i l

l l

l.

l i

L 4

~

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.:

50-338 UNIT NAME:

NA-1, DATE: November 5, 1995 REPORT MONTH: October 1 1995 CONTACT: J. A.

Stall PHONE: (703) 894-2101 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 o

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

OPERATING DATA REPORT l

DOCKET Wo.:

50-339 DATE: November 5,1995 J

CONTACT:

J. A. Stall PHONE: (703) 894-2101 i

l i

OPERATING STATUS 1.

Unit Name:................................ North Anna 2 2.

Repor t i ng Per i od:........................ 0ctober 1995 3.

Licensed Thermal Power (MWt).............

2893 4.

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

979 5.

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

907 6.

Maximun Dependable Capacity (Gross MWe):..

944 7.

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

897 j

i 8.

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

N/A

)

9.

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

N/A

10. R;csons for restrictions, if any:

N/A l

This Month Y-t D Cumulative i

11. Hours i n R eport i ng Per i od.................................

745.0 7,296.0 130,440.0

- 12. Number of H ours R eactor was Cri t i cal......................

745.0 5,685.7 108,619.2 j

13. R actor Reserve Shutdown Hours............................

0.0 1.3 6,510.2 l

14. H our s Generat or 0n-L i ne...................................

745.0 5,653.9 107,489.6

15. Unit Reserve Sherdown Hours...............................

0.0 0.0 0.0

16. Gross The rmal Energy Generat ed (MWH)..................... 2,149,192.2 15,236,340.1 291,852,304.1

17. Gross E lectri cal Energy Generat ed (MWH)...................

708,837.0 4,993,762.0 95,470,619.0

18. N;t E lect ri cal Energy Generat ed (MWH).....................

674,144.0 4,735,B81.0 91,275,849.0

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

100.0%

77.5%

82.4%

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

100.0%

77.5%

82.4%

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

100.9%

72.8%

77.8%

22. Uni t capaci ty Factor (us i ng DER Net )......................

99.8%

71.6%

77.2%

23. Fcreed Outage Rate........................................

0.0%

0.0%

4.9%

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

N/A j

i l

i

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 OPERATION

. =..

t c

AVERAGE DAILY UNIT POWER LEVEL i

i Docket No.:

50-339 L

Unit:

NA-2 l

Dates November 5, 1995 i

Contact J.

A. Stall Phone:

(703) 894-2101 l

l i

I l

MONTH: October 1995 f

i f

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

LEVEL (MWe-Net) 1 910 17 906 2

909 18 907 3

908 19 909 4

908 20 909 5

908 21 909 6

841 22 909 l

7 884 23 909 l

l 8

907 24 909 l

9 906 25 910 10 905 26 909 11 905 27 909 12 904 28 910 13 905 29 910 i

14 905 30 910 l

15 906 31 911 l

16 905 i

1 i

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.

4 1

l l

i

. NORTH ANNA POWER STATION UNIT NO.:

2 MONTH:

October

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 October 01, 1995 0000 Began month with unit stable at 100% power, 954 MWe.

October 06, 1995 0738 Commenced unit ramp down for Turbine Valve Freedom Test (TVFT) from 100% power, 946 MWe.

0809 Unit stable at 90% power, 862 MWe, 0900 Completed TVFT satisfactorily.

Holding power at 90% for Condenser Waterbox inspections.

October 07, 1995 0418 Commenced unit ramp. following "A"

Condenser Waterbox maintenance from 90% power, 854 Mwe.

One tube was plugged.

I i

l 0517 Stopped ramp at 98%

power, 924 Mwe for calorimetric.

l 0625 Commenced ramp to 100% power.

I 0647 Unit stable at 100% power, 947 Mwe.

j l

October 31, 1995 2400 Ended month with unit stable at 100% power, l

959 Mwe.

l l

l i

I

.. ~...

~...

Page 1

of 1

UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:

50-339 Report Month October Unit Names NA-2 Year 1995 Date November 5, 1995

Contact:

J.

A.

Stall No Entry This Month F

l t

I r

t e

t i

l L

f i

i L'

DOCKET NO.:

50-339-UNIT NAME:

N A - 2'.

DATE: November 5, 1995

[

REPORT MONTH: October 1 1995 CONTACT: J. A. Stal-1 PHONE: (703) 894-2101' r

i 1

2 3

4 5

i Mo.

Date Type Duration Reason Method of Licensee System-Component Cause & Corrective (hrs)

Shutting Event Code Code

' Action-to Down Reactor Report #

Prevent Recurrence ONo Entry This Month r

1: Type 2: Reason 3: Method.

4:

I F= Forced A= Equipment Failure (explain)-

1= Manual Exhibit F - Instructions S= Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data' 2

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 5

i

.