ML20210F036

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Monthly Operating Repts for Dec 1985
ML20210F036
Person / Time
Site: North Anna  Dominion icon.png
Issue date: 12/31/1985
From: Garner B, Stewart W
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To: Beebe M
NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
86-015, 86-15, NUDOCS 8604020007
Download: ML20210F036 (12)


Text

_ _____.

VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH December YEAR 1985 APPROVED:

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STATION MANAGER

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4 OPERATING DATA REPORT DOCKET NO. 50-338 DATE- 01-02-86 COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 OPERATING STATUS

~1.

Unit Name:

North Anna-1 2.

Reporting Period:

December, 1985 c3.

Licensed Thermal Power (MWt):

2775 4

4.

Nameplate Rating (Gross NWe):

947 5.

Design-Electrical Rating (Net MWe):

907 6.'

Maximum Dependable Capacity (Gross MWe):

941 7.

Maximum 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 i -

4 e

This Month Yr.-to-Date Cumulative 11.

Hours In Reporting Period 744 8 760 65,988

- 12.

Number of Hours' Reactor Was Critical 126.5 6,938.8

-45,310.5

13. Reactor Reserve Shutdown Hours-617.5 1,821.2 4,905.4
14. iHours Generator On-Line 104.7

-6,823.6 43,935.8 15.

Unit Reserve Shutdown Hours 0

0 0

16.

Gross Thermal Energy. Generated (MWH) 82,421-18,112,886 114,972,548 17.

Gross-Electrical Energy Generated (MWH) 27,385 6,105,445 37,477,630 18.

Net Electrical Energy Generated (MWH)-

23,620 5,798,930 35,414,948.

19. Unit-Service Factor 14.0 77.8 66.5 20.

Unit Availability Facto'r.

14.0 77.8 66.5

21. ' Unit. Capacity Factor-(Using MDC Net) 3.6 74.2 60.7-
22. 1 Unit Capacity Factor (Using DER Net) 3.5 73.0 59.1

-23.

Unit Forced Outage Rate 38.2 9.5 11.5

~24.

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

R25. LIf Shut Down At End Of Report Period, Estimated Date of Startup:

01-24-86

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

' Forecast Achieved

^

INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION i

-. ~ -.,.,

A

' AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-338 UNIT NA'-1 DATE 02-86 COMPLETED BY Brenda Garner TELEPHONE 703-894-5151X2527 MONTH December, 1985

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

(MWe-Net)

'l 0

17 0

2 0

18 0

3 0

19 0

i 4

0 20 0

5 0

21 0

6 0

22 0

7 0

23 0

8-0 24 5

9 0

25 203 10 0

26 235 11 0

27 238 12 0

28 239 13 0

29 65 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.

Page 1

of 1

UNIT SHUTDOWN AND POWER REDUCTIONS EXP1 3ATION SHEET DOCKET NO.

50-338 REPORT MONTH December UNIT NAME NA-1 YEAR 1985 DATE 01-02-86 COMPLETED BY Brenda Garner 85-24 (1)

Continuation from November 1985 Refueling Outage.

Refueling was completed ar.d the reactor was critical on December.23,1985 at 2032.

On December 24, 1985 at 0311 the reactor was shutdown due to 2 Channels of Delta protection being out of service.

Repairs-were made and on December 24, 1985 at 2229 the Unit was on line.

I 85-25 (2)

On December 29,1985 at 0711 Unit I was taken off line due to high unidentified. leakage.

The leakage was found in the Thermo couple Cono-seal on the reactor head.

An estimated date for Unit to return on line is January - 8, 1985.

Ended this month with Unit in Mode 5.

4 I

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l f

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i, UNIT SHUTDOWNS'AND POWER REDUCTIONS DOCKET NO.

50-338 UNIT NAME zNorth Aana 1 DATE 01-02-86 REPORT MONTH December,1985 COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 l

No.

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

F itting 3

"4 Code Action to 5

L,wn Reactor Report #

Prevent Recurrence

.85-24 851104.

S 574.5 C

1 NA NA NA Continuation from November 1985 Refueling Outage.

Refueling was completed and Unit returned to 30%

power.

85-25 851229 F

64.8 H

1-LER N1-85-29 NA NA Ramped unit off line to repair Thermo Couple Cono-seal on the reactor head.

Ended this month with Unit in Mode 5.

1 2

3 4

F: Forced Reason:

Method:

Exhibit F - Instructions 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-

VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO.

1 MONTH December

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 December 1, 1985 0000 Begin this month with Unit in Mode 6 for scheduled refueling outage.

December 23, 1985 2032 Reactor critical.

December 24, 1985 0311 Reactor shutdown due to 2 channels of Delta protection being out of service.

0750 Reactor critical.

2229 Unit on line.

December 25, 1985 0400 Unit holding at 250 MW - 30% power for chemistry.

December 29, 1985 0600 Commenced rampdown to 0% power,-due to high unidentified leakage.

0711 Unit cff 1?ne 0739 Reactor shutdown December 31, 1985 2400 Ended this month with unit in Mode 5, to

. repair Thermo couple cono-seal on reactor head. An estimated date for unit to return on line is January 2t, 1986.

OPERATING DATA REPORT DOCKET NO.

50-339 DATE 01-02-86 COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 OPERATING STATUS 1.

' Unit Name:

North Anna 2 2.

Reporting Period:

December, 1985

((

3.

Licensed Thermal Power (MWt):

2775 4.

~ Nameplate Rating (Gross _hWe):

947 5.

Design Electrical Rating (Net MWe):

907,__

-6.

Maximum Dependable Capacity (Gross MWe):

941 7.

Maximum Dependable Capacity _(Net MWe):

893 8.

If Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give Reasons:

l 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 744 8,760 44,256 12.

Number of Hours Reactor Was Critical

-744 8,534.4 34,324.8

13. Reactor Reserve Shutdown Hours 0

195.3 4,181.14

14. Hours Generator On-Line 746 8,254.9 33,660

' 15. Unit Reserve Shutdown Hours 0

0 0

16. Gross Thermal Energy Generated (MWH) 2,055,196 21,645,159 87,145,400 17.

Gross Electrical Energy Generated (MWH) 683,520 7,182,917 28,880,182

- 18.~ Net Electrical Energy Generated (MWH) 649,818 6,813,587 27,382,849

19. Unit Service Factor 100.0 94.2 76.1 20.

Unit Availability Factor 100.0 94.2 76.1 21.

Unit Capacity Factor (Using MDC Net) 97.8 87.2 68.2 69.7 22.

Unit Capacity Factor (Using DER Net) 96.3 85.8

. 23.

Unit Forced Outage Rate 0

5.8 11.5-

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

Refueling, 03-14-86, 48 days 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

' AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. _ w -339 UNIT NA-2 DATE 01-02-86 COMPLETED BY Brenda Garner 4

TELEPHONE 703-894-5151X2527 MONTH December DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 881 17.

876 2

877-18 877 3

880 19 875 4

880 20 875 5'

881

.21 873 6-880-22 876 7

880 23 873 8

882 24 875 9

880 25 874 l

10 879 26 875 11 878 27

'876 12 879 28 810 13

'878 29 823 14 879 30 874 15 879 31 875 16 877 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 Page 1

of 1

UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO.

50-339 REPORT MONTH December UNIT NAME NA-2 YEAR 1985 DATE 01-02-86 COMPLETED BY-Brenda Garner No Entries This Month v

~m UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

'50-3'39 UNIT NAME North Anna 2 DATE 01-02-86 REPORT MONTH' December' COMPLETED.BY Brenda Garner TELEPHONE (703) 894-5151 X2527 l

2 No.

Date Type Duration Reason Method of.

Licensee System Component Cause & Corrective-(Hours)

Shutting V'"

Down Reactor 3' Report #

  • 4 Code Action to 5

Prevent Recurrence 85-54 851221 S

NA H

5 NA NA NA

. Ramped down to 92% power for Turbine Valve.Freedon' Test.

Unit returned to 100% power.

85-55 851228 S

NA H

5 NA NA NA Ramped down-to.77% power for repairs on tube leaks in the drain cooler system. Repairs were made and Unit returned to 100% power.

I 2

3 4

F: Forced Reason:

Method:

Exhibit F - Instructions.

S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maincenance 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

. VIRGINIA POWER NORTH ANNA POWER STATION

' UNIT NO.

2 MONTH December

SUMMARY

OF OPERATING EXPERIENCE

. Listed below.in chronological sequence is a summa ~ry of operating experiences for this month which required load reductions or resulted in significant non-load related incidents.

DATE TIME DATA December 1,1985 0000 Began this month with Unit at 939 MW - 100%

power.

December 21, 1985 2112 Commenced rampdown of 50 MW for Turbine Valve Freedom Test.

2158 Unit holding at 888 MW - 92% power for Turbine Valve Freedom Test.

2248

_ Commenced ramp up to 100% power - Turbine Valve Freedom. Test complete.

December 22, 1985 0045 Unit stabilized at 930 mw - 100% power.

December 28, 1985 1106 Commenced rampdown' of 90 MW' to repair tube leaks in the drain cooler system.

1138 Unit holding at 840 MW - 89%. power, to repair tube -leaks in' the drain cooler system.

1930 Commenced rampdown of 140 MW - to repair tube leaks in the drain cooler system.

2100

. Unit holding at 700 MW - 77% power for reapirs on tube leaks in the drain cooler-system.

December 29, 1985 0400 Commenced ramp up to 100% power, repairs to drain cooler system were complete.

0540 Unit holding at 840-MW - 90% power for 2-PT-24 calorimetric.

0555 Commenced ramp up to 100% power,-2-PT-24 calorimetric complete.

0625 Unit stabilized at 930 MW-100% power.

December 31, 1985 2400 Ended this month with the Unit at 937 MW-100% power.

VIRGINIA ELucTRIC AND Powen CoMi>ANY RICHMOND,VIHOINIA 2 32G1 W.L. STEWART Vses Passionwr Noctuan OrsmArnons January 14, 1986 Mr. Maurice R. Beebe Serial No.86-015 Office of Resource Management N0/DJV:acm U.S. Nuclear Re;olatory Commission Docket Nos.

50-338 Washin;;=n, D.C. 20555 50-339 License Nos. NPF-4 NPF-7

Dear Mr. Beebe:

VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNITS NOS. 1 AND 2 MONTHLY OPERATING REPORT Enclosed is the Monthly Operating Report for North Anna Power Station Unit Nos. I and 2 for the month of December, 1985.

Very truly yours,

\\ ) L - 3MJ

} & \\_

N W. L. Stewart Enclosure (3 copies)'

cc:

Mr. James M. Taylor, Director (12 copies)

Office of Inspection and Enforcement Dr. J. Nelson Grace (1 copy)

Regional Administrator Region II Mr. M. W. Branch (1 copy)

NRC Resident Inspector North Anna Power Station n/4

'lI