ML20100L239

Monthly Operating Repts for Oct 1984

ML20100L239
Person / Time
Site:	North Anna
Issue date:	10/31/1984
From:	Jun Lee, Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	Beebe M NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
671, NUDOCS 8412110508
Download: ML20100L239 (13)

Text

-s i-VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH October YEAR 1984 m

APPROVED:

4 STATION MANAGER I

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8412110508 841031 DRADOCK05000g

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m OPERATING DATA REPORT DOCKET NO. 50-338 DATE 11-05-84 COMPLETED BY Joan N. Lee TELEPHONE (703) 894-5151 X2527 OPERATING STATUS 1.

Unit Name:

North Anna 1 2.

Reporting Period:

October, 1984 3.

Licensed Thermal Power (HWt):

2775 4.

Nameplate Rating (Gross MWe):

947 5.- Design Electrical Rating (Net MWe):

907 6.

Maximum Dependable Capacity (Gross MWe):

937 7.

Maximum Dependable Capacity (Net HWe):

890 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 HWe):

N/A

10. Reasons For Restrictions, If Any:

N/A This Month Yr.-to-Date Cumulative 11.

Hours In Reporting Period 745 7,320 55,761 12.

Number of Hours Reactor Was Critical 742.4 3,342.3 36,928.8__

13. Reactor Reserve Shutdown Hours 48.5 55:6 3,084.2

14. Hours Generator On-Line 678.2 3,137 35,825.6 15.

Unit Reserve Shutdown Hours 0

0 0

16.

Gross Thermal Energy Generated (HWH) 1,619,344 8,253,820 93,305,593 17.

Gross Electrical Energy Generated (MWH) 541,437 27,901,132 30,174,322 18.

Net Electrical Energy Generated (MWH) 510,955 2,646,351 28,477,525 19.

Unit Service Factor 91.0 42.8 64.2 20.

Unit Availability Factor 91.0 42.8 64.2 21.

Unit Capacity Factor (Using MDC Net) 77.1 40.6 57.4 22.

Unit Capacity Factor (Using DER Net) 75.6 39.8 56.3 23.

Unit Forced Outage Rate 9.0 26.7 15.5 24.

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

25.

If Shut Down At End Of Report Period, Estimated Date of Startup:

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

DCCKET NO.

50-338 UNIT SHUTDOWNS AND POWER REDUCTIONS UNIT NAME North Anna 1 DATE 11-05-84 COMPLETED BY Joan Lee REPORT MONTH October, 1984 TELEPHONE (703) 894-5151 X2527 N 3.

Date Type Duration Reason Method of Licensee System Component Cause & Corrective l

Code Action to (Hours)

Shutting

• 4 5

Prevent Recurrence 3

Down Reactor Report #

84-16 840930 F

4.0 A

3 NA NA NA Continuation of Reactor trip due to Lo-Lo Level in steam generator. Ended month of September with Unit 1 in Mode 2.

At 0401 October 1, 1984 Unit 1 on line.

84-17 841012 F

62.8 H

3 LER-84-18 NA NA Reactor tripped due to loss of power supply to the EHC System.

Repairs were made and Unit 1 returned to 100%. Ended this month with unit at 100% power.

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2 Exhibit F - Instructions Method:

1-Manual for Preparation of Data F: Forced Reason:

S: Scheduled A-Equipment Failure (Explain)

Entry Sheets for Licdasee 2-Manual Scram.

B-Maintenance or Test 3-Automatic Scram Event Report (LER) File C-Refueling 4-Continuations (NUREG-0161)

D-Regulatory Restriction E-Operator Training & License Examination 5-Load Reduction l

l F-Administrative 9-Other 5

l G-Operational Error (Explain)

Exhibit H - Same Ssucce H-Other (Explain) i

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-338 UNIT NA-1 DATE 11-05-84 COMPLETED BY' Joan N. Lee TELEPHONE 703-894-5151X2527 MONTH October DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 150 17 890 2

216 18 890 3

233 19 893 4

236 20 895 5

275 21 893 6

596 22 896 7

699 23 893 8

852 24 892 9

884 25 891 10 885 26 892 11 885 27 889 12 579 28 886 13 0

29 887 14 0

30 886 15 514 31 887 i

16 891 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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UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET No.

50-338 REPORT MONTH October UNIT NAME MA-1 YEAR 1984 DATE 11-05-84 COMPLETED BY Joan Lee 84-17 (F)

(1)

Reactor tripped on October 12, 1934, at 1546. The trip was caused by loss of power supply in the EHC System.

Repairs were made and Unit I was on line October 15, 1984 at 0629 Ended this month with unit at 100% power.

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VIRGINIA ELECTRIC AND. POWER COMPANY NORTH ANNA POWER STATION UNIT NO.

1 MONTH October

SUMMARY

OF OPERATING EXPERIENCE 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 1, 1984 0000 Began this nonth with Unit in Mode 2.

0350 Entered Mode 1.

0401 Unit one on line.

0530 Holding at 25% (220 Mu) due to problems with FCV-1483, 1917 Commenced increasing power to 30% (245 MW) power.

1923 Stabilized power at 30% (245 MW).

October 5, 1984 1300 Commenced ramp up at 3% per hour.

'1835 Stabilized power at 40% (435 MU) to perform flux napping.

October 6, 1984 0317 Stabilized power at 60% (534 Hu) for flux mapping.

y 0403 Commenced ramp up to 70% (623 Mu).

0700 Stabilized power at 69% (614 HW) for flux mapping.

0744 Corrienced ramp up to 75% (663 ent).

October 7, 1934 1100 Continued ramp up at 3% per hour to 100%.

October 3, 1934 1620 Unit at 100% (926 M*.1) power.

October 12, 1984 1546 Reactor trip from 100% power due to loss of power supply in the EHC System.

1731 Reactor critical.

VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NO.

I MONTH October

SUMMARY

OF OPERATING EXPERIENCE 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 15, 1934 0530 Latched turbine - commenced rolling power level at 4% per hour.

0629 Unit 1 on line.

0713 liolding at 30% (245 tul) power to verify chemistry in steam gene,rator.

0730 Commenced ramp up at 150 ft'l per hour.

1330 Holding at 90% (874 ml) for Calorimetric.

1640 Calorinatric complete - Unit at 100% (936 int) power.

October 31, 1984 2400 Ended this month with Unit at 100% power.

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, OPERATING DATA REPORT DOCKET NO.

50-339 DATE 11-05-84 COMPLETED BY Joan N. Lee TELEPHONE (703) 894-5151 X2527 OPERATING STATUS Notes:

1.

Unit Name:

North Anna 2 2.

Reporting Period:

October, 1984 3.

Licensed Thermal Power (MWt):

2775 4.

Nameplate Rating (Gross NWe):

947 5.

Design Electrical Rating (Net NWe):

907 6.

Maximum Dependable Capacity (Gross MWe):

939 7.

Maximum Dependable Capacity (Net NWe):

890 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 Yr.-to-Date Cumulative

11. Hours In Reporting Period 745 7,320 34,032

12. Number of Hours Reactor Was Critical 0

4,781.0 24,468.7

13. Reactor Reserve Shutdown Hours 0

14.6 3,794.6

14. Hours Generator On-Line 0

4,713 24,220.1

15. Unit Reserve Shutdown Hours 0

0 0

~--

16.

Gross Thermal Energy Generated (MWH) 0 12,215,461 62,632,502 17.

Gross Electrical Energy Generated (MWH) 0 4,026,505 20,740,872

18. Net Electrical Energy Generated (MWH) 0 3,812,307 19,664,389

19. Unit Service Factor 0

64.4 71.2 20.

Unit Availability Factor 0

64.4 71.2

21. Unit Capacity Factor (Using MDC Net) 0 58.5 64.9

22. Unit Capacity Factor (Using DER Net) 0 57.4 63.7

23. Unit Forced Outage Rate 0

3.1 15.2

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

25.

If Shut Down At End Of Report Period, Estimated Date of Startup:

November 2, 1984

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50-339 UNIT NAME North Anna 2 DATE 11-05-84 REPORT MONTH October COMPLETED BY Joan Lee TELEPHONE (703) 894-5151 12527 No.

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

Shutting Event Code,

Code Action to Down Reactor Report #

Prevent Recurrence 84-34 840802 S

745 D/C 1

LER-006 NA NA On August 2, 1984 at 1834 Unit 2 commenced ramping down due to unqualified protective coating on Containment Venti-lation Ductwork. Unit 2 remained off line for scheduled refueling outage. Outage continued this month. Ended this month with Unit 2 in Mode 4.

Expected on line date is November 2, 1984.

1 2

3 4

F: Forced Reason:

Method:

Exhibit F - Instructions j

S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram.

Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continuations (NUREG-0161)

E-Operator Training & License Examination 5-Load Reduction F-Administrative 9-Other G-Operational Error (Explain) 5 H-Other (Explain)

Exhibit H - Same Source

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-339 UNIT NA-2 DATE 11-05-84 COMPLETED BY Joan N. Lee TELEPHONE 703-894-5151X2527 MONTH October DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 0

17 0

2 0

18 0

3 0

19 0

4 0

20 0

5 0

21 0

6 0

22 0

7 0

23 0

8 0

24 0

9 0

25 0

10 0

26 0

11 0

27 0

12 0

28 0

13 0

29 0

14 0

30 0

15 0

31 0

16 0

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, u

Page 1

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UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO.

50-339 REPORT MONTH October UNIT NAME NA-2 YEAR 1984 DATE 11-05-84 COMPLETED BY Joan Lee No entries this month.

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VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NO.

2 MONTH October

SUMMARY

OF OPERATING EXPERIENCE 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 1, 1984 0000 Began this month with Unit 2 in Mode 5 for continuation of scheduled Refueling Outage.

October 29, 1984 0720 Entered Mode 4.

October 31, 1984 2400 Ended this month with Unit in Mode 4.

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VimonexA ELucTanc Ann Powan CoxPANY,

RicnwoNo,VImOINIA 20261 v.L.seawmar vic e.

.e November 15, 1984 Nuca..A. or..arvos.

Mr. Maurice' R. Beebe Serial No. 671 Office of Resource Management N0/JHL:aca U. S. Nuclear Regulatory Commission Docket Nos. 50-338 Washington, D. C. 20555 50-339 License Nos. NPF-4 NPF-7

Dear Mr. Beebe:

Enclosed is the Monthly Operating Report for North Anna Power Station Unit Nos. I and 2 for the month of October, 1984.

Very truly yours,

-\\

l.u.%

M W. L. Stewart Enclosure (3 copies) cc:

Mr. R. C. DeYoung, Director (12 copies)

Office of Inspection and Enforcement Mr. James P. O'Reilly (1 copy)

Regional Administrator Region II Mr. M. W. Branch NRC Resident Inspector North Anna Power Station