ML20138B826

Monthly Operating Repts for Sept 1985

ML20138B826
Person / Time
Site:	North Anna
Issue date:	09/30/1985
From:	Garner B, Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	Beebe M NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
85-726, NUDOCS 8512120388
Download: ML20138B826 (15)

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- September YEAR 1985 4

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3 OPERATING DATA REPORT DOCKET NO. 50-338 DATE 10-01-85 COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 OPERATING STATUS

1. -Unit Name:

North Anna 1 2.

Reporting Period:

September, 1985 3.

Licensed Thermal Power (11Wt):

2775 4.

Nameplate Rating (Gr.'ss MWe):

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 This Month Yr.-to-Date Cumulative 11.

Hours In Reporting Period 720 6,551 63,779 12.

Number of Hours Reactor Was Critical 522.5 6,037 44,408.7 13.

Reactor Reserve Shutdown Hours 197.5 514 3,598.2 14.

Hours Generator On-Line 512.3 5,967.6 43,079.8 15.

Unit Reserve Shutdown Hours 0

0 0

16.

Gross Thermal Energy Generated (MWH) 1,327,204 16,005,662 112,865,324 17.

Gross Electrical Energy Generated (MVH) 448,484 5,393,610 36,765,795 18.

Net Electrical Energy Generated (MWH) 425,725 5,124,399 34,740,377 19.

Unit Service Factor 71.2 91.1 67.5 20.

Unit Availability Factor 71.2 91.1 67.5 21.

Unit Capacity Factor (Using MDC Net)-

66.2 87.7 61.9 22.

Unit Capacity Factor (Using DER Net) 65.2 86.2 60.1 23.

Unit Forced Outage Rate' 28.9 8.9 11.5 24.

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

Refueling, 11-01-85, 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

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i AVERAGE DAILY-UNIT POWER LEVEL DOCKET NO.

50-338 UNIT NA-1 DATE 10-01-85 t

COMPLETED BY-

'Brenda Garner TELEPHONE 703-894-5151X2527 MONTH Semptember, 1985 i

i

' DAY AVERAGE DAILY POWER LEVEL DAY

' AVERAGE DAILY POWER LEVEL i

(MWe-Net)

(MWe-Net) i 1

891 17 14 i

2 891 18 551 3

891 19 887 4

890 20 887 5

889 21 373 6

889 22 0

l 7

888 23

.6 8

858

.4 674-2 l

9 590 25 888 10 885 26 889 11 701 27 891 12 0

28 894 13 0

29 894 14 -

0 30 36 l

15 0

31 16 0

' INSTRUCTIONS On.this format, list the average daily unit power level in NWe-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- ' September UNIT NAME

~KA-1 YEAR

-1985' DATE 10-01-85

. COMPLETED BY Brenda Garner 85-18 (1)

On September' 11,1985 '. at 2107, Unit I taken off line due to excessive leakage past the packing of 'B' RC Loop Bypass Valve.

Repairs were made and Unit returned on-line September -17,1985 at 1017.

85-19 (2)

On September 17, 1985. at 1120, Unit 1 Reactor was manually tripped from approx..16% due to 'D' Bank group 1 rods dropped into. the core while moving group 2 control rods.

Repairs were made.and Unit returned on line September 17, 1985 at 2212. On September 18, 1985 ' at 2125 Unit was stabilized at 928 MW -

100% power.

85-20 (3).

On September 21,1985 at 1236 Unit 1 taken off line due to '1J' emergency diesel generator failure.

Repairs.were madeand Unit returned on line September 23, 1985 at 2337.

On. September 24,.

1985 at 1145 Unit was stabilized at 925 MW - 100% power.

'85-21 (4)

On September 30, 1985 at 1925 Unit 1 taken off.line to repair packing leakage on Motor Operated Valve MOV:1700. On September

' 30, 1985 at 2400 Unit was in. Mode 4 and expected to' return on line'by October 2,~1985.

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50-338 UNIT NAME North Anna 1 DATE 10-01-85 REPORT MONTli september,1985 COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 l

No.

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

Shutting 3

• 4 Code A*'I "

5 Down Reactor Report #

Prevent Recurrence 85-17 850908 F

NA 11 5

NA NA NA Ramped down to 45% power due to containment temperature >105'F.

Unit returned to 100% power.

85-18 850911 F

133.2 B

1 LER N1 85-16 NA NA Ramped Unit 1 off line to repair-

'B' RC Loop Bypass Valve packing leak.

85-19 850917 F

10.9 A

3 LER N1 85-17 NA NA Unit 1 Reactor manual trip due to 'D' Bank group 1 rods dropped into the core while moving group 2 control rods. Repairs were made and Unit returned to 100% power.

85-20 850921 F

59 B

1 LER N1 85-11 NA NA Ramped Unit I off line to repair

'1J' diesel generator. Unit returned to 100% power.

85-21 850930 F

4.6 B

1 LER N1 85-15 NA NA Ramped Unit 1 off line to repair MOV 1700 Motor Operated Valve, l

packing leak.

l 1

2 3

4 F: Forced Reason:

Method:

Exhibit F - Instructions l

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

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 II-Other (Explain)

Exhibit 11 - Same Source l

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VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO.

1 MONTH September

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 September 1, 1985 0000 Began this month with Unit at 936 MW-100%

power September 8, 1985 2100 Commenced rampdown due to containment temperature >105*F.

2345 Unit holding at 452MW - 47% power for containment temperature.

September 9, 1985 0000 Commenced rampdown.of 70MW to decrease containment temperature.

1210 Containment temperature <105'F, Commenced ramp up to 100% power.

1430 Unit holding at 900MW - 90% power for 1-PT-24 calorimetric.

1500 Unit stabilized at 927MW - 100% power, 1-PT-24 calorimetric complete.

September 11, 1985 1707 Commenced rampdown to 0% power to repair

'B' RC Loop Bypass Valve _ packing leak.

2107 Unit off line.

2142 Reactor shutdown.

September 15, 1985 2225 PCV-1455C (Pressurizer Power Operated Relief Valve) opened momentarily in response to a RCS pressure transient while in hot standby.

The pressure spike was a result of the failure of pressurizer spray valve PCV-1455A-to open on demand when 'C' reactor coolant pump was secured. The 'C' reactor coolant pump was subsequently started and RCS pressure was stabilized at 2235 psig using PCV-1455B.

PCV-1455A was subsequently stroked satisfactorily.

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VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO.

1 NONTH Sqptember

SUMMARY

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

DATE TIME DATA September 17, 1985 0444 Reactor ~ critical.

1017 Unit on line.

1025 Unit holding at 96.2MW - 16% D Bank rod control problem.

1120 Manually tripped reactor 2014 Reactor critical.-

2212 Unit on line.

2345 Unit holding at 286HW - 30% power for Chemistry.

September 18, 1985 0956 Commenced ramp up to-100% power.

1410 Unit holding at 890 NW-90% power for 1-PT-24 calorimetric.

1450 Commenced ramp up to 100% power, 1-PT-24 Calorimetric, complete.

1535 Unit holding at 918NW-96% power to replace printed circuit cards in rod control system.

2029 Commenced ramp up to 100% power.

2125 Unit stabilized at 928 NW-100% power.

September 21, 1985 0716 Commenced rampdown to 0% power to repair '1J' diesel' generator.

1236 Unit off line.

1254 Reactor shutdown 2

VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO.

1 MONTH September

SUMMARY

OF OPERATING EXPERIENCE Li.sted below in chronological sequence is a summary of operating experiences for this month which required load reducticas or resulted in significant non-load related incidents.

DATE TIME DATA September 23, 1985 2203 Reactor critical.

2337 Unit on line.

September 24, 1985 0025 Unit holding at 180MW - 30% power for Chemistry.

0444 Commence ramp up to 100% power.

September 24, 1985 0945 Unit holding at 890MV - 90% power for 1-PT-24 calorimetric.

1002 Commence ramp up to 100% power, 1-PT-24, calorimetric complete.

1145 Unit stabilized at 925MW - 100% power.

September 30, 1985 1530 Commenced rampdown to 0% power to repair a packing leak on MOV 1700 Motor Operated Valve.

1925 Unit off line.

1933 Reactor shutdown.

2400 Ended this month with Unit in Mode 4 3

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OPERATING DATA REPORT DOCKET NO.

50-339 DATE 10-01-85 COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 OPERATING STATUS Notes:

1.

Unit Name:

North Anna 2 2.

Reporting Period:

September, 1985 3.

Licensed Thermal Power (MWt):

2775 4.

Nameplate Rating (Gross MWe):

947 5.

Design Electrical Rating (Net MWe):

907 6.

Maximum Dependable Capacity (Gross MQe):

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:

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 720 6,551 42,047

12. Number of Hours Reactor Was Critical 720 6,427.4 32,217.8

13. Reactor Reserve Shutdown Hours 0

93.3 4,079.14

16. Hours Generator On-Line 720 6,200 31,605.1 15.

Unit Reserve Shutdown Hours 0

0 0

16.

Gross Thermal Energy Generated (MWH) 1,970,7EE---

16,107,088 81,607,329 17.

Gross Electrical Energy Generated (MWH) 652,181 5.344,653 27,041,918

18. Net Electrical Energy Generated (MWH) 619,604

_5,067,781 25,637,043

19. Unit Service Factor 100.0 94.6 75.2 20.

Unit Availability Factor 100.0 94.6 75.2

31. Unit Capacity Factor (Using MDC Net) 96.4 86.7 68.5

22. Unit Capacity Factor (Using DER Net) 94.9 85.3 67.2

23. Unit Forced Outage Rate 0

5.4 11.9

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:

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

r AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-339 UNIT NA-2 DATE 10-01-85 COMPLETED BY Brenda Garner TELEPHONE 703-894-5151X2527 MONTH September DAY.

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

(MVe-Net) j 1

770 17 875 2

728 18 874 l

3 873 19 869 4

874 20 856 5

874 21 874 l

6 872 22 873 7

872 23 872 8

872 24 874 9

871 25 874 10 873 26 875 l

11 869 27 875 12 870 28 874 j

13 874 29 808 14 874 30 835 15 874 31 l

16 873 INSTRUCTIONS On this format, list the average daily unit power level in HWe-Net for each day in the reporting month. Compute to the nearest whole megawatt, m

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UNIT SHUTDOWN AND P0hT.R REDUCTIONS EXPLANATION SHEET DOCKET NO.

50-339 RET. ORT MONTH September UNIT NAME NA-2 YEAR 1985 DATE 10-01-85 COMPLETED BY Brenda Garner No entries this month u

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l UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET No.

50-339 t

UNIT NAME North Anna 2 DATE 10-01-85 l

REPORT HONTil September COMPLETED BY Brenda Garner l

TELEPl!ONE (703) 894-5151 X2527 l

l 2

No.

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

Shutting Event Code Code AC'I'" '#

3 4

5 Down Reactor Report #

Prevent Recurrence 85-43 850901 S

NA H

5 NA NA NA Ramped down to 62% power for load follow. Unit returned to 100% power.

85-44 850902 S

NA H

5 NA NA NA Ramped down to 52% power for load follow. Unit returned to 100% power.

85-43 850920 S

fi II 5

NA NA NA Ramped down to 84% power for load follow. Unit returned to 100% power.

&5-46 850928 S

NA H

5 NA NA NA Ramped down to 70% power for Turbine Valve Freedom test and load follow. Unit returned to 100% power.

85-47 850929 S

NA H

5 NA NA NA Ramped down to 69% power for load follow. Unit returned to 100% power.

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

Exhibit H - Same Source

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VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO.

2 MONTH September

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 September 1, 1985 0000 Began this month with Unit at 925 MW - 100%

power.

0036 Commenced rampdown of 200 FSI for load follow.

0156 Commenced rampdown of 100 MW for load follow.

0246 Commenced rampdown of 100 MW for load follow.

0301 Unit holding at 570 MW - 62% power for load follow.

0715 Commenced ramp up to 100% power.

1015 Unit stabilized at 926 MW - 100% power.

2345 Commenced rampdown of 200 MW for load follow.

September 2, 1985 0056 Commenced rampdown of 250 MW for load follow.

0233 Unit stabilized at 450 MW - 52% power.

0713 Commenced ramp up to 100% power.

1035 Unit stabilized at 924 MW - 100% power.

September 20, 1985 0240 Commenced rampdown of 100 MW for load follow.

0250 Commenced rampdown of 100 MW for load follow.

0443 Unit holding at 790 MW - 84% power for load follow.

1 2

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~e VIRGINIA POWER NORTH ANNA POWER STATION UNIT NO.

2 MONTH September S_UMMARY 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 0507 Commenced ramp up to 100% power.

0822 Unit stabilized at 933 MW - 100% power.

September 28, 1985 2307 Commenced rampdown of 70 MW for Turbine Valve Freedom Test.

I 2345 Unit holding at 870 MW - 92% power for Turbine Valve Freedom Test.

~ September 29, 1985 0030 Commenced rampdown of 220 MW for load follow.

0200 Unit holding at 650 MW - 70% power for load follow.

0345 Commenced ramp up to 100% power.

0925 Unit stabilized at 930 MW - 100% power, Turbine Valve Freedom Test complete.

2334 Commenced rampdown of.280 MW for load follow.

September 30, 1985 0135 Unit holding at 650 MW - 69% power per System Operator.

0249 Commenced ramp up to 100% power.

0457 Unit staoilized at 928 MW - 100% power, 2-PT-24 roaplete.

2400 Ended this month with Unit at 930 MW -

100% power.

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VruotxtA ELECTuIC AND Powan Coxtwxy Hicumown,Vinoix A 2 0 261 W.L.StawAnt Vaca Pmmercant NocLaAm OrmuArnous October 15, 1985 Mr. Maurice R. Beebe Serial No.85-726 Office of Resource Management N0/DAS: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:

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 September, 1985.

Very truly yours, L.

te art Enclosure (3 copies) cc:

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

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

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

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