ML20107C295

Monthly Operating Repts for Mar 1996 for North Anna Power Station Units 1 & 2

ML20107C295
Person / Time
Site:	North Anna
Issue date:	03/31/1996
From:	Stall J VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
Shared Package
ML20107C187	List: ML20107C295
References
NUDOCS 9604170303
Download: ML20107C295 (11)

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i VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH: _M_a_rch a YEAR: 1996 l

l Approved:

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Station Manager _

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' 9604170303 960412 PDR ADOCK 05000338 i R PDR i

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., OPERATING DATA REPORT DOCKET NO. 50-338 DATE: April 5, 1996 CONTACT: J. A. Stall PHONE: (540) 894-2101 OPERATING STATUS

1. Unit Name ................................ North Anna 1

2. Reporting Period:......................... March 1996

3. Licensed Thermal Power (MWt):............. 2,893 i

4. Nameplate Rating (Gross MWe):............. 994 I

5. Dzsign Electrical Rating (Net MWe) ....... 907 j

6. Maimum Dependable capacity (Gross MWe):.. 940

7. Maximin Dependable Capacity (Net MWe):.... 893 l

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

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

10. Ratsons for restrictions, if any: N/A i

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This Month Y t-D Cumulative

11. Hours in Reporting Period................................. 744.0 2,184.0 155,820.0

12. Number of Hours Reactor was Critical...................... 497.3 1,483.5 118,669.9 l

13. R uctor Reserve Shutdown Hours............................ 30.6 43.0 6,994.4

14. Hours Generator 0n-Line................................... 470.3 1,455.7 115,643.2 l

15. Unit Reserve Shutdown Hours............................... 0.0 0.0 0.0  ;

16. Grcas Thermal Energy Generated (MWH)...................... 1,234,628.1 3,440,656.1 308,754,393.2

17. Gross E lect r i cal Energy Generated (MWH ). . . . . . . . . . . . . . . . . . . 404,941.0 1,130,101.0 138,460,714.0 ,

18. N st E lect ri cal Energy Generated (MWH ) . . . . . . . . . . . . . . . . . . . . . 383,958.0 1,066,861.0 96,108,015.0

19. Unit Service Factor....................................... 63.2% 66.7% 74.2%

20. Unit Availability Factor.................................. 63.2% 66.7% 74.2%

21. Unit Capacity Factor (using MDC Net)...................... 57.8% 54.7% 69.0%

22. Unit Capacity Factor (using DER Net)...................... 56.9% 53.9% 68.0%

23. Forced Outage Rate........................................ 0.0% 0.0% 9.2%

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

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

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

j* Forecast Achieved 2

IWITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION l

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l AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-338 Unit: NA-1 Date: ADril 5. 1996 Contact J. A. Stall Phone: (540) 894-2101 MONTH: March 1996 I

DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER l LEVEL (MWe-Ne t) LEVEL (MWe-Net) I 1 0 17 911 ,

2 0 18 910 l 3 0 19 908 4 0 20 907 5 0 21 908 6 0 22 909 j 7 0 23 909 l 8 0 24 623 l 9 0 25 419 .

l 10 0 26 909 l l 11 0 27 909 l i 12 249 28 909 l 13 608 29 908  !

14 652 30 909 15 737 31 909 16 898 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 j whole megawatt.  ;

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UNIT SHUTDOWN AND POWER REDUCTIONS l Explanation Sheet j

Docket No.: 50-338 Report Month March Unit Name: NA-1 Year: 1996 Date: April 5, 1996

Contact:

J. A. Stall l

1. 96-02 March 24, 1996 Unit manually taken off-line at 1928 hours0.0223 days <br />0.536 hours <br />0.00319 weeks <br />7.33604e-4 months <br /> and shutdown for maintenance on 01-MS-TV-101B.  ;

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-338 UNIT NAME: NA-1 DATE: April 5, 1996 REPORT MONTH: March 1996- CONTACT:'J. A. Stall' PHONE: (540) 894-2101 1 2 3 4 5 No. Date Type Duration Reason Method of Licensee System Component Cause & Corrective (his) Shutting Event Code code Action to Down Reactor . Report # Prevent Recurrence-96-02 960325 S 9.8 B 1 N/A 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 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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. NORTH ANNA POWER STATION UNIT NO.: 1 MONTH: March

SUMMARY

OF OPERATING EXPERIENCE Page 1 of 3 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 March 01, 1996 0000 Began month with unit in Mode 6 for scheduled

[ refueling outage. Reactor fuel on-load in progress.

March 02, 1996 1442 Reactor fuel on-load completed.

March 05, 1996 1038 Unit entered Mode 5.

March 08, 1996 0618 Unit entered Mode 4.

0807 Commenced RCS cooldown to Mode 5 due to 1-RC-P-1B failure to start.

1126 Unit entered Mode 5.

March 09, 1996 2330 Repairs completed to 1-RC-P-1B. Commenced RCS heatup to Mode 4.

2340 Unit entered Mode 4.

March 10, 1996 0510 Unit entered Mode 3. 1 2302 Unit entered Mode 2.

l 2351 Reactor critical.

March 11, 1996 1805 Unit entered Mode 1 following completion of Low Power Physics Testing.

2350 Placed Unit on line.

March 12, 1996 0130 Unit stable at 30% power, 271 MWe for chemistry hold.

1730 Chemistry hold cleared. Commenced ramp to 75%

i power.

March 13, 1996 0140 Ramp suspended at 61% power, 571 MWe due to steam generator action level one on sulfates.

0610 Cleared action on steam generator sulfates and j commenced ramp from 61% power.

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NORTH ANNA POWER STATION UNIT NO.: 1 MONTH: March r

SUMMARY

OF OPERATING EXPERIENCE Page 2 of 3 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. '

D3_ta t Time Data March 13, 1996 0930 Unit stabilized at 74% power, 697 MWe for flux mapping. t March 15, 1996 0415 Commenced unit ramp-up. Unit at 74% power, 700 MWe.

0601 Stabilized unit at 81% power, 783 MWe. due to  !

chemistry hold. I 1821 Chemistry hold cleared. Commenced unit ramp-up.

Unit at 81% power, 783 MWe.

2121 Stabilized unit at 90% power, 870 MWe. to adjust nuclear instrumentation.  !

2122 Commenced unit ramp-up. Unit at 90% power, 870 .

MWe.

2306 Stabilized unit at 96% power, 928 MWe. due to chemistry hold.

March 16, 1996 0436 Chemistry hold cleared. Commenced unit ramp-up.

Unit at 96% power, 928 MWe.

1040 Unit stable at 100% power, 952 MWe.

March 24, 1996 1248 Commenced ramping unit down from 100% power, 959 MWe for repairs to 01-MS-TV-101B.

1928 Opened generator output breaker. Unit of f-line.

1935 Entered Mode 2.

l 1945 Entered Mode 3.

l 2355 All maintenance and testing complete on 01-MS-TV-101B.

l March 25, 1996 0200 Entered Mode 2. l 5

0238 Reactor critical.

0332 Entered Mode 1.

NORTH ANNA POWER STATION j UNIT NO. 1 l MONTH: March

SUMMARY

OF OPERATING EXPERIENCE Page 3 of 3 Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resultec'. in significant non-load related incidents.

Date Time Data March 25, 1996 0515 Commenced unit ramp to 30% power.

0850 Unit placed into chemistry hold at 30% power, 262 MWe on steam generator sulfates. l l

1207 Cleared chemistry hold.

1226 Commenced ramp to 100% power from 30% power, 260 MWe.

1843 Unit stable at 100% power, 956 MWe.

March 31, 1996 2400 Ended month with unit stable at 100% power, 956 MWe.

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, OPERATING DATA REPORT DOCKET NO.: 50-339 DATE: April 5, 1996 CONTACT: .'. A. Stall PHONE: (540) 894 2101  ;

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OPERATING STATUS

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

2. Repor t ing Per i od: . . . . . . . . . . . . . . . . . . . . . . . . . March 1996

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

4. . Nameplate Rating (Gross MWe):............. 979

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

6. M ximun Dependable Capacity (Gross MWe) .. 944  ;

7. M:ximum Dependable Capacity (Net MWe):.... 897

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. Raisons for restrictions, if any: N/A I This Month Y-t-D Cumulative

11. Hours in Reporting Period................................. 744.0 2,184.0 134,088.0

12. Number of Hours Reactor was critical...................... 744.0 2,184.0 112,241.6

13. Ratetor Reserve Shutdown Hours............................ 0.0 0.0 6,535.0

14. Hours Generator 0n-Line................................... 744.0 2,184.0 111,107.1

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

16. Gross Thermal Energy Generated (MWH) . . . . . . . . . . . . . . . . . . . .. 2,151,969.4 6,316,595.9 302,293,834.6

17. Gross Electrical Energy Generated (MWH)................... 707,309.0 2,079,757.0 98,911,175.0

18. Net E l ect ri cal Energy Generated (MWH ) . . . . . . . . . . . . . . . . . . . . . 673,770.0 1,981,411.0 94,553,050.0

19. Unit Service Factor,...................................... 100.0% 100.0% 82.9%

20. Unit Availability Factor.................................. 100.0% 100.0% 82.9%

21. Unit Capacity Factor (using MDC Net)...................... 101.0% 101.1% 78.4%

22. Unit Capacity Factor (using DER Net)...................... 99.8% 100.0% 77.7%

23. Forced Outage Rate........................................ 0.0% 0.0% 4.8%

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): Scheduled Refueling Outage SIptember 14, 1996 , 35 day Duration

! 25. If Shutdown at end of Report Period, estimated time of Startup: N/A j 26. Units in Test Status (Prior to Commercial Operation):

Forecast Achieved

, INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION i

l AVERAGE DAILY UNIT POWER LEVEL i

Docket No.: 50-339 i Unit: NA-2 Date Acril 5, 1996, Contact J. A. Stall Phone: (540) 894-2101 MONTH: March 1996 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe-Net) 1 906 17 905 2 905 18 905 3 905 19 908

-4 904 20 908 5 905 21 908 6 905 22 904 I 7 905 23 908 8 903 24 906 9 903 25 903 10 905 26 908 11 906 27 907 12 905 28 906 13 905 29 907 14 905 30 907 15 905 31 908 l 16 904  !

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i Instructions:

On this format, list the average daily unit power levei in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

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o DOCKET NO.: 50-339 UNIT NAME: NA-2 DATE: April 5, 1996 REPORT MONTH: March 1996 CONTACT: J. A. Stall PHONE: (540) 894-2101 1 2 3 4 5 Wo. Date Type Duration Reason Method of Licensee System Component Cause & Corrective (hrs) Shutting livent Code Code Action to Down Reactor Re!! ort # Prevent Recurrence o No 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