ML20045A974

Monthly Operating Repts for May 1993 for North Anna Power Station,Units 1 & 2.W/930610 Ltr

ML20045A974
Person / Time
Site:	North Anna
Issue date:	05/31/1993
From:	Bowling M, Kane G VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
93-366, NUDOCS 9306150419
Download: ML20045A974 (12)

Text

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.. :1 VIRGINIA ELECTRIC AND PowEn CourANY RICI!MOND. VIRGINIA 23201 June 10, 1993  ;

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i U. S. Nuclear Regulatory Commission Serial No.93-366 Attention: Document Control Desk NL&P/JMJ:jm] i Washington, D.C. 20555 Docket Nos. 50-338  !

50-339  :

License Nos. NPF-4 l NPF-7 l Gentlemen:  ;

i VIRGINIA ELECTRIC AND POWER COMPANY  !

NORTH ANNA POWER STATION UNITS 1 AND 2  :

MONTHLY OPER ATING REPORT .

Enclosed is the Monthly Operating Report for North Anna Power Station Units 1 and 2 .;

for the month of May 1993.  :!

Very truly yours, ,

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M. L Bowling, Manager -

Nuclear Licensing and Programs  !

t Enclosure cc: U.S. Nuclear Regulatory Commission 101 Marietta Street, NW  ;

Suite' 2900 -

Atlanta, GA 30323 ,

Mr. D. R. Taylor NRC Resident inspector North Anna Power Station f

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VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT  ;

MONTH: May YEAR: 1993 Approved:

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CPERATING DATA REPORT DOCKET NO.: 50-338 DATE: June 1,1993 CONTACT: G. E. Kane PHONE: (703) 894-2101 DPERATING STATUS Un i t N ame : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N or t h Anna 1

2. R epor t i ng Per i od: . . . . . . . . . . . . . . . . . . . . . . .Ma y 1993

3. L i c ens ed Therma l Power (MWt ): . . . . . . . . . . .. 2,893

4. tameplat e R at i ng (Gross KWe): . . . . . . . . . . . . . 947

5. Design Electrical Rating (Net MWe):....... 907

6. MIximum Dependable Capacity (Cross MWe):.. 959

7. Muinun Dependable Capacity (Net MWe) .... 911

8. If changes occur in Capacity Ratings (Items No. 3 thru 7) since last report, give reasons:__The licensed thermal power has been increased due to the recent steam generator rep!acements which allows resuming 100%

power production. The maxinun dependable capacities have been changed to ";f tect the return to 100% power production.

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

10. Reasons f or restrictions, if any: N/A This Month Y-t-D Cumulative

11. Hours in Report i ng Peri od. . . . . . . . . . . . . . . . . . . . . . .. .. 744.0 3,623.0 130,979.0

12. Number of Hours R eact or was cri t i ca t . . . . . . . . . . . . . . . . . . . . . 744.0 1,337.9 95,268.7

13. Reac t or Reserve shut down H ours. . . . . . . . . . . . . . . . . . . . . . . . . . 0.0 68.8 6,826.8

14. Hours Generator On-Line.................................. 744.0 1,307.2 92,303.9

15. Unit Rese ve shutdown Hours............. ................ 0.0 0.0 0.0

16. Gross T hernal E nergy Gener at ed (MWH) . . . . . . . . . . . . . . . . . . . . . 2,151,558.6 3,422,211.9 243,593,398.8

17. Grocs S tectrical Energy Generated (MWH)......... ....... 708,185.0 1.122,807.0 80,049,712.0

18. Net Electrient Energy Generated (MWH)......... .......... 674,002.0 1,066,136.0 75,780,076.0

19. Unit Service factor........ ..... ....................... 100.0% 36.1% 70.5%

20. Unit Availability Factor............... .. .............. 100.0% 36.1% 70.5%

21. Unit Capacity Factor (using MDC Net)..... .............. 99.4% 34.2% 64.8%

22. Unit Capacity Factor (using DER Wet). ............. .. 99.9% 32.4% 63.8%

23. F or c ed Dut ag e R a t e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.0% 0.0% 11.3%

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

25. If shutdown at erd of Report Period, estimated time of startup:_N/A

26. Unit m Test Status (Prior to Consnercist Operation):

Fore:est Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCI AL OPERATION

l AVERAGE DAILY UNIT POWER LEVEL ,

Docket No.: 50-338 Unit: NA-1  !

Date: June 1. 1993

Contact:

G. E. Kane j Phone: (703) 894-2101 MONTH: May 1993  !

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DAY A7ERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe-Net) 1 904 17 908 2 904 18 908 ,

3 906 19 909 4 905 20 901 5 904 21 903 6 906 22 902 7 909 23 903 8 910 24 901 i 9 909 25 901 10- 909 26 902 11 909 27 908 12 908 28 908 13 908 29 907 14 897 30 908 15 908 31 907 16 909 ,

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: May

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 May 01, 1993 0000 Began month with unit at 100% power, 950 MWe.

May 14, 1993 0905 Commenced unit ramp-down for TVFT.

1040 TVFT completed satisfactorily.

1200 Commenced unit ramp-up to 100% power.

l 1348 Unit stable at 100% power, 955 MWe.

May 31, 1993 2400 Ended month with unit at 100% power, 955 MWe.

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UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.: 50-338 Report Month May Unit Name: NA-1 t Year: 1993 Date: June 1, 1993 .

Contact:

G. E. Kane

• No entry this month.

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UNIT SHUTDOWNS AND POWER REDUCTIONS ,

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DOCKET NO.: 50-338 ,

UNIT NAME: NA-1 DATE: June 1, 1993 REPORT MONTH: May 1993 CONTACT: G. E. Kane' ,

PHONE: (703) 894-2101 1 2 3 4 5 No. Date Type Duration Reason Method of Licensee System Component Causc & Corrective (hrs) Shutting Event Code Code Action to Down Reactor Report # Prevent Recurrence oNo 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 b

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C7ESATING DATA REPC3T DOCKET No.: 50-339 $

DATE: June 1,1993 ,

CONTACT: G. E. Kane l PHONE: (703) 894-2101 1

OPERATING STATUS

1. Uni t N ame : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . North Anna 2

2. Seport i ng Per i od: . . . . . . . . . . . . . . . . . . . . . . . . .May 1993

3. Licensed Thermal Power (MWt):.. . ..... .... . 2893

4. N amepl at e R a t i ng ( Gross MWe): . . . . . . . . . . . . . 947

5. Design Electrical Rating (Net MWe):....... 907- ,

6. Caxinun Dependable capacity (Gross MWe):.. 957

7. Maximum Dependable Capacity (Net MWe):.... 909 l

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

N/A 'l L

9. Power level to which restricted, if any (Net NWe): N/A I

10. Reasons for restrictions, if any: N/A l

i This Month Y-t-D Cumulative f

11. H ours i n R eport i ng Per i od. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 744.0 3,623.0 109,247.0 [

12. Number of Hours R eac t or was Cr i t i ca l . . . . . . . . . . . . . . . . . . . . . 744.0 3,391.5 90,435.7 l

13. Reac t or Reserve Shut down Hours. . . . . . . . . . . . . . . . . . . . . . . . . . . 0.0 120.8 6,365.2 ,

14. H ours Genera t or On- L i ne. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 744.0 3,381.4 89,394.5  :

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15. Unit Reserve Shutdown Hours...... ....................... 0.0 0.0 0.0 -

16. Gross T he rm6 L E nergy Generat ed ( M JH ) . . . . . . . . . . . . . . . . . . . . 2,148,538.3 9,585,529.6 241,710,294.1

17. Gross E lectrical Energy Generated (MWH)... . . . .. .. ...... .. 703,327.0 3,136,772.0 79,173,488.0

18. Ne t E l ec t ri c a l Ene rgy Genera t ed (MWH ) . . . . . . . . . . . . . . . . . . . . 668,465.0 2,982,792.0 75,807,273.0  !

19. Unit Service Factor...................................... 100.0% 93.3% 21.B% {

20. Uni t Ava i l abi l i t y f ac t or. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100.0% 93.3% 81.8% l

21. Un i t c apac i t y f ac t or (us i ng MDC Net ) . . . . . . . . . . . . . . . . . . . . . 98.3% 90.6% 77.0% .

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22. Uni t Capac i ty F ac t or ( us ing DE R Ne t ) . . . . . . . . . . . . . . . . . . . . 99.1% 90.8% 76.5%  ;

23. F orc ed Dut age R a t e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.0% 6.7% 5.6% l

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): Refueling outage, September 4, 1993, 60 days, j i

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

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

Forecast Achieved

, INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION _

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4 AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-339 Unit: NA-2 Date: June'1, 1993

Contact:

G. E. Kane Phone: (703) 894-2101 MONTH: May 1993 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe-Net) 1 856 17 885 2 902 18 886 3 903 19 886 4 903 20 886 5 903 21 904 6 903 22 905 7 904 23 904 8 903 24 904 9 903 25 904 10 903 26 904 11 902 27 904 12 901 28 903 13 901 29 902 14 902 30 903 15 888 31 902 16 895 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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NORTH ANNA POWER STATION UNIT NO.: 2 MONTH: May

SUMMARY

OF OPERATING EXPERIENCE Page 1 of 1 Listed below in chronological sequence is a surmary of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.

Date Time Data May 01, 1993 0000 Began month with unit at approximately 64% power, 595 MWe and ramping to 100% power.

0937 Unit stable at 100% power, 945 MWe.

May 9, 1993 0219 The "C" S/G PORV opened to approximately 40% with no apparent cause. Indicated power increase from 100.0% to 100.3%.

0229 "C" S/G PORV manually overridden close.

0241 "C" S/G PORV isolated. i May 15, 1993 0245 Secured 2-SD-P-1B for maintenance, i resulting in operation of 2-SD-TK-1B

) and 2-FW-E-2B on high level diverts. 1 May 20, 1993 2320 Returned 2-SD-P-1B and associated I equipment to service.

May 31, 1993 2400 Ended month with unit at 100% power, 947 MWe.

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Page 1 of __1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.: 50-339 Report Month May Unit Name: NA-2 Year: 1993 Date: June 1. 1993

Contact:

G. E. Kane

• No entry this month.

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3 UNIT SHUTDOWNS AND POWER REDUCTIONS ..

DOCKET NO.: 50-339.

I UNIT NAME: NA-2 DATE: June 1, 1993 REPORT MONTH: May 1993 CONTACT: G. E. Kane 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 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

_ _ . _ _ . . . . _ . _ _ . _ _ _ . . . . . - . . - - - - - . . . - . . - _ _. _ _ . . . . - _ - _ . - . . _ . _ . - -. ..-._ _ . . _-