ML20092F557

Monthly Operating Repts for Aug 1995 for North Anna Power Station

ML20092F557
Person / Time
Site:	North Anna
Issue date:	08/31/1995
From:	Bowling M, Stall J VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
95-468, NUDOCS 9509180243
Download: ML20092F557 (12)

Text

,

I*

', l.

ViltOINIA l$LECTifIC AND POWISIt Com%NY HicirMoxn,VruointA canon September 11, 1995 U. S. Nuclear Regulatory Commission Serial No.95-468 Attention: Document Control Desk NL&P/JHL/ CMC Washington, D.C. 20555 Docket Nos.

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

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

Very truly yours, M. L. Bowling, Manager Nuclear-Licensing and Operations Support Enclosure cc:

U.S. Nuclear Regulatory Commission Region 11 101 Marietta Street, NW Suite 2900 Atlanta, GA 30323 Mr. R. D. McWhorter NRC Senior Resident inspector North Anna Power Station aCCI.?c 9509180243 950831 PDR ADDCK 05000338 R

PDR i

i-1 i

l 1

4 4

1 i

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

Auoust YEAR:

1995 Approved:

Station Manager p 1

l l

)

OPERATING DATA REPORT DOCKET NO.:

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

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

Reporting Period:......................... August 1995 3.

Lic&nsed Thermal Power (MWt):.............

2,893 4.

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

994 5.

Dssign Electrical Rating (Net MWe).......

907 6.

Mixinun Dependable Capacity (Gross MWe):..

940 7.

Mzzinun Dependable Capacity (Net MWe)....

893 6.

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 i n R epor t i rig Pe r i od.................................

744.0 5,831.0 150,707.0

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

744.0 5,809.6 114,257.4

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

0.0 20.9 6,951.4

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

744.0 5,804.8 111,258.5

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

0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH).................... 2,151,417.0 16,723,700.5 296,909,280.4

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

701,278.0 5,490,947.0 97,566,567.0

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

666,123.0 5,221,815.0 92,424,101.0

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

100.0%

99.6%

73.8%

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

100.0%

99.6%

73.8%

21. Uni t capaci ty F ac tor (using MDC Net )......................

100.3%

99.7%

68.6%

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

98.7%

98.7%

67.6%

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

0.0%

0.4%

9.5%

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

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 CRITICALITT INITIAL ELECTRICITY COMMERCIAL OPERATION

AVERAGE DAILY UNIT POWER LEVEL Docket No.:

50-338 Unit:

NA-1 Date:

Sentember 5, 1995 Contact J.

A. Stall Phone:

(703) 894-2101 MONTH: Auaust 1995 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER i

LEVEL (MWe-Net)

LEVEL (MWe-Net) 1 894 17 894 2

894 18 895 j

3 894 19 895

)

4 895 20 895 5

894 21 896 6

894 22 895 7

895 23 897 8

897 24 897 9

897 25 885 10 896 26 897 11 897 27 897 l

12 896 28 897 13 895 29 898 14 895 30 898 15 895 31 897 16 894 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:

Aucust

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.

i Date Timg Data August 01, 1995 0000 Began month with unit at 100% power, 942 MWe.

August 04, 1995 0800 Commenced unit ramp-down for Turbine Valve Freedom Test.

Unit at 100% power, 942 MWe.

0832 Unit stable at 92% power, 869 MWe.

0944 Commenced unit ramp-up following Turbine Valve Freedom Test.

Unit at 92% power, 869 MWe.

1012 Unit stable at 100% power, 945 MWe.

August 25, 1995 0819 Commenced unit ramp-down for Turbine Valve Freedom Test.

Unit at 100% power, 946 MWe.

0847 Stabilized unit and secured ramp-down due to cycling of 1-CH-P-2B.

Unit at 98% power, 926 MWe.

1044 Re-commenced unit ramp-down for Turbine Valve Freedom Test.

Unit at 98% power, 926 MWe.

1130 Unit stable at 91% power, 865 MWe.

Secured ramp-down.

1327 Commenced unit ramp-up following Turbine Valve Freedom Test.

Unit at 91% power, 865 MWe.

1433 Unit stable at 100% power, 945 MWe, August 31, 1995 2400 Ended month with unit at 100% power, 944 MWe.

h*

Page 1

of __1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:

50-338 Report Month Aucust Unit Name:

NA-1 Year:

1995 Date: Sectember 5, 1995

Contact:

J.

A.

Stall

• No entry this month.

I i

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.:

50-338 UNIT NAME:

NA DATE: September 5, 1995 REPORT MONTH: August 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 e

- c.

=,

S.

OPERATING DATA REPORT

~

~

DOCKET No.:

50-339 DATE: September 5, 1995 CONTACT:

J. A. Stall 2

PHONE: (703) 894 2101 OPERATING STATUS 1.

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

Repor t i ng Per i od:..... ~................... Augus t 1995 3.

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

2893 4.' Nameplate Rating (Gross MWe):.............

9 79 5.

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

907

' 6.

M2ximum Dependable Capacity (Gross MWe):..

944 7.

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

897 8.

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

N/A 9.

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

10. Rassons for restrictions, if any:

N/A This Month Yat-0 Cumulative

11. H our s i n R epor t i ng Per i od.................................

744.0 5,831.0 128,975.0

12. Number of Hours Reac tor was Cri tical......................

744,0 4,220.7 107,154.2

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

0.0 1.3 6,510.2

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

744.0 4,188.9 106,024.6

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

0.0 0.0 0.0

16. Gross Thermal E nergy Generat ed ( MWH )..................... 2,138,129.4 11,004,801.4 287,620,765.4

17. Gross E lect rical Energy Generat ed (MWH )...................

701,405.0 3,598,834.0 94,075,691.0 i

18. Net E l ec t r i ca l E nergy Generat ed (MWH ).....................

666,274.0 3,409,500.0 89,949,468.0

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

100.0%

71.8%

82.2%

i

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

100.0%

71.8%

82.2%

21. Uni t Capac i ty F ac t or ( us i ng MDC Ne t )......................

99.8%

65.7%

77.5%

22. Uni t Capaci ty F ac tor (using DER Net)......................

98.7%

64.5%

76.9%

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

0.0%

0.0%

5.0%

j

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

N/A 1

i 1

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

N/A

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

I Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERAiloN T

?

~

AVERAGE DAILY UNIT POWER LEVEL Docket No.:

50-339 Unit:

NA-2 Date:

Sectember 5, 1995 Contact J.

A. Stall Phone:

(703) 894-2101 MONTH: Aucust 1995 DAY AVERAGE DAILY POWER DAY AVERAG* DAILY POWER LEVEL (MWe-Net)

LEVEL (MWe-Ne t) 1 901 17 900 2

900 18 900 3

899 19 901 4

895 20 902 5

900 21 902 6

900 22 902 7

902 23 903 8

726 24 903 9

886 25 903 10 903 26 903 11 903 27 903 12 902 28 904 13 902 29 905 14 901 30 904 15 901 31 904 16 900 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 1

UNIT NO.

2 MONTH:

Auoust

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 August 01, 1995 0000 Began month with unit stable at '100% power, 950 MWe.

August 04, 1995 0800 Commenced unit ramp-down for Turbine Valve Freedom Test.

Unit at 100% power, 942 MWe, 0832 Unit stable at 92% power, 869 MWe.

0944 Commenced unit ramp-up following Turbine Valve Freedom Test.

Unit at 92% power, 869 MWe.

1012 Unit stable at 100% power, 945 MWe.

August 08, 1995 0200 Commenced unit ramp-down for waterbox maintenance.

Unit at 100% power, 949 MWe.

0258 Unit stable at 84% power, 800 MWe.

August 09, 1995 0142 Commenced unit ramp-up following waterbox maintenance.

Unit at 80% power, 770 MWe, 0255 Unit stable at 100% power, 948 MWe.

August 31, 1995 2400 Ended month with unit stable at 100% power, 951 Mwe.

I l

l l

. _ =

I..

o Page 1

of 1

UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:

50-339 Report Month Auoust Unit Name:

NA-2 I

Year:

1995 Date: September 5.

1995

Contact:

J.

A.

Stall No Entry This Month l

n *n '

e DOCKET NO.:

50-339 UNIT NAME:

NA-2 DATE: September 5, 1995 REPORT MONTH: August 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 ONo Entries 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

.