ML20197D293
| ML20197D293 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 02/28/1986 |
| From: | Garner B, Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | Beebe M NRC OFFICE OF RESOURCE MANAGEMENT (ORM) |
| References | |
| 86-153, NUDOCS 8605140209 | |
| Download: ML20197D293 (16) | |
Text
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t VIRGINIA POWER COMPANY 3
NORTH ANNA POWER STATION MONTHLY OPERATING REPORT J
MONTH FEBRUARY YEAR 1986 s
4 APPROVED:
STKTION'MARAGER l
j 8605140209 860228 PDR ADOCK 05000338 R
pg
) {h VI
4 s
I OPERATING DATA REPORT DOCKET NO. 50-338 DATE 03-03-86 i
COMPLETED BY Brenda Garner j '
TELEPHONE (703) 894-5151 X2527 i
l OPERATING STATUS l_
1.
Unit Name:
North Anna 1 2.
Reporting Period:
February, 1986
- 3. _ Licensed Thermal Power (MWt):
2775 4.
Nameplate Rating (Gross 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 j
- 10. Reasons For Restrictions, If Any:
N/A i
1 1
4 This Month Yr.-to-Date Cumulative 11.
Hours In Reporting Period 672 1416 67,404 4
12.
Number of Hours Reactor Was Critical 642 995.1 46,305.6 13.
Reactor Reserve Shutdown Hours 30 420.9 5,326.3 14.
Hours Generator On-Line 616.5 962.6 44,898.4 j
15.
Unit Reserve Shutdown Hours 0
0 0
16.
Gross Thermal Energy Generated (MWH) 1,703,397 2,514,123 117,486,671 17.
Gross Electrical Energy Generated (MWH) 573,749 844,175 38,321,805
}
18.
Net Electrical Energy Generated (MWH) 545,461 800,916 36,215,864 4
19.
Unit Service Factor 91.8 68.1 66.6
}
20.
Unit Availability Factor 91.8 68.1 66.6 j
21.
Unit Capacity Factor (Using MDC Net) 90.9 63.3 60.7 j
22.
Unit Capacity Factor (Using DER Net) 90.0 62.4 59.2 l
23.
Unit Forced Outage Rate 8.3 32.0 11.0 i
24.
Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
1 l
l
}
l 25.
If Shut Down At End Of Report Period, Estimated Date of Startup:
1 26.
Units In Test Status (Prior to Commercial Operation):
)
Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION i
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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
50-338
.1 UNIT NA-1 DATE 03-03-86 1
i COMPLETED BY Brenda Garner J.
{
TELEPHONE 703-894-5151X2527 MONTH February, 1986 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL-(MWe-Net)
(MWe-Net) 1 890 17 893 2
891 18 894 j
3 894 19 884 4
893 20 893 i
5 889 21 888 6
889 22 850 i
1 7
891 23 581 1
)
8 892 24 0
l j
9 891 25 4
10 891 26 797
.f 11 890 27 892 i
12 891 28 893 I
13 892 29 0
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14 891 30 0
j j
15 892 31 0
16 893 i
INSTRUCTIONS j
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, i
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Page 1
of 1
i UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO.
50-338 REPORT MONTH FEBRUARY UNIT NAME NA-1 YEAR 1986 DATE 03-03-86 COMPLETED BY Brenda Garner 86-02 (1)
On February 23, 1986 at 1537 Reactor trip occurred from 100%
i power, due to
'B' steam generator Lo/Lo level narrow range which was caused by the turbine governor valves failing shut.
Repairs were made and Unit returned on line February 25, 1986 at 2305.
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'. r UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
50-338
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UNIT NAME North Anna 1 DATE 03-03-86 REPORT MONTH FEBRUARY, 1986 COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 l
No.
Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours)
Shutting Event Code Code Action to 3
4 5
Down Reactor Report #
Prevent Recurrence 86-02 860223 F
55.5 A
3 LER N1-86-02 NA NA On February 23, 1986 at 1540, Reactor trip from 100% power, due to
'B' steam generator Lo/Lo level narrow range which was caused by turbine governor i
valves failing shut. The EHC system was repaired and Unit returned to 100% power.
?
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1 2
3 4
4 F: Forced Reason:
Method:
Exhibit F - Instructions l
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 l
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 FEBRUARY
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 February 1, 1986 0000 Began this month with Unit at 940 MW -
100% power.
l Februa ry 21, 1986 2326 Commenced rampdown of 70 MW for Turbine i
Valve Freedom Test.
\\
Februa ry 22, 1986 0032 Unit holding at.870 MW - 91% power for Turbine Valve Freedom Test.
I i
0429 Commenced ramp up to 100% power, Turbine Valve Freedom Test completed.
l 0540 Unit stabilized at 935 MW - 100% power.
February 23, 1986 1537 Reactor trip occurred from 100% power, due to
'B' steam generator Lo/Lo level narrow range.
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Februa ry 24, 1986 2135 Reactor critical.
l February 25, 1986 2305 Unit on line.
.I February 26, 1986 0515 Unit holding at 880 MW - 89% power for 1-PT-24 calorimetric.
0540 Commenced ramp up to 100% power, 1-PT-24 calorimetric complete.
0630 Unit stabilized at 930 MW - 100% power.
Februa ry 28, 1986 2400 Ended this month with Unit at 940 MW -
100% power.
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OPERATING DATA REPORT DOCKET NO.
50-339 DATE 03-03-86 COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 OPERATING STATUS 1.
Unit Name:
North Anna 2 2.
Reporting Period:
February, 1986 3.
Licensed Thermal Power (MWt):
2775 4.
Nameplate Rating (Gross 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 h. port, 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
(
This Month Yr.-to-Date Cumulative l
11.
Hours In Reporting Period 672 1416 45,672 l
12.
Number of Hours Reactor Was Critical 470.6 1214.6 35,539.4 13.
Reactor Reserve Shutdown Hours 201.4 201.4 4,382.5 14.
Hours Generator On-Line 470.3 1214.3 34,874.3 15.
Unit Reserve Shutdown Hours 0
0 0
16.
Gross Thermal Energy Generated (MWH) 1,148,578 3,196,529 90,341,929 17.
Gross Electrical Energy Generated (MWH) 387,374 1,069,667 29,949,849 18.
Net Electrical Energy Generated (MWH) 366,627 1,015,479 28,398,328 19.
Unit Service Factor 70.1 86.1 76.4 20.
Unit Availability Factor 70.1 86.1 76.4 21.
Unit Capacity Factor (Using MDC Net) 61.1 80.3 70.0 22.
Unit Capacity Factor (Using DER Net) 60.2 79.1 68.6 23.
Unit Forced Outage Rate 0
0 11.2 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:
April 8, 1986 26.
Units In Test Status (Prior to Commercial Operation):
Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY l
COMMERCIAL OPERATION
a-i i
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
50-339 UNIT
~NA-2 DATE 03-03-86 COMPLETED BY Brenda Garner TELEPHONE 703-894-5151X2527 MONTH FEBRUARY, 1986 I
DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(MWe-Net) 1 836 17 750 2
831 18 746 j
3 825 19 740 4
822 20 374 5
802 21 0
l 6
797 22 0
i 7
790 23 0
l 8
786 24 0
i 9
790 25 0
I 10 787 26 0
11 780 27 0
i 12 773 28 0
l 13 769 29 0
14 764 30 0
l 15 760 31 0
i i
16 756 i
INSTRUCTIONS l
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.
1 i
Page 1
of 1
1 UNIT SHUTDOWN AND POWER REDUCTIONS i
i EXPLANATION SHEET DOCKET NO.
50-339 REPORT MONTH February UNIT NAME NA-2 YEAR 1986 DATE 03-03-86 COMPLETED BY Brenda Garner 86-02 (1)
On February - 20, 1986 at 1416 Unit came off ~line tb begin j
Refueling Outage.
Approximately twenty minutes after Unit was off line in Mode 3, the Reactor tripped due to a spike on one 3
i of the source range neutron detectors.
Unit remained off line for refueling outage.
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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
50-339 UNIT NAME North Anna 2 DATE 03-03-86 REPORT MONTH FEBRUARY COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 1
2 No.
Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours)
Shutting Event Code Code
^' I "
3 4
5 Down E-
.o r Report #
Prevent Recurrence i
86-02 860220 S
201.7 C
5 LER N2-86-02 NA NA Commenced rampdown to 0%
i power for Refueling Outage.
Approximately twenty minutes t
after Unit was off line in Mode 3 the Reactor tripped due to a spike on one of the source range neutron detectors.
Both source range detectors have been replaced.
l I
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-l 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
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VIRGINIA POWER NORTH ANNA POWER STATION l
UNIT NO.
2
)
MONTH FEBRUARY i
SUMMARY
OF OPERATING EXPERIENCE i
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.
i DATE TIME DATA i
l February 1, 1986 0000 Began this month with Unit at 890 MW - 94%
+
power - due to power coast down, zero boron.
February 20, 1986 1000 Commenced rampdown to $% power for Refueling Outage.
1416 Unit off line.
l 1436 Reactor tripped while in MODE 3 due to a spike on one of the source range neutron detectors.
February 28, 1986 2400 Ended this month with Unit in Mode 6 for a Refueling Outage. An estimate date for Unit returning on line is April 8, 1986.
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VIRGINIA POWER COMPANY 2
NORTH ANNA POWER STATION l
MONTHLY OPERATING REPORT MONTH JANUARY YEAR 1986 1
- Corrective Copy
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APPROVED:
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OPERATING DATA REPORT DOCKET NO. 50-338 DATE 03-03-86 COMPLETED BY Brenda Garner TELEPHONE (703) 894-5151 X2527 OPERATING STATUS 1.
Unit Name:
North Anna 1
- Corrective Copy 2.
Reporting Period:
January, 1986 Line #23 3.
Licensed Thermal Power (MWt):
2775 4.
Nameplate Rating (Gross 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 l
- 10. Reasons For Restrictions, If Any:
N/A This Month Yr.-to-Date Cumulative 11.
Hours In Reporting Period 744 744 66,732 12.
Number of Hours F actor Was Critical 353.1 353.1 45,663.6 13.
Reactor Reserve Shutdown Hours 390.9~
346.1 44,281.9 390.9 5,296.3 14.
Hours Generator On-Line 346.1 15.
Unit Reserve Shutdown Hours 0
0 0
16.
Gross Thermal Energy Generated (MWH) 810,726 810,726 115,783,274 17.
Gross Electrical Energy Generated (MKM) 270,426 270,426 37,748,056 18.
Net Electrical Energy Generated (MWH) 255,455 255,455 35,670,403 19.
Unit Service Factor 47.0 47.0 66.4 20.
Unit Availability Factor 47.0 47.0 66.4 21.
Unit Capacity Factor (Using MDC Net) 38.5 38.5 60.4 22.
Unit Capacity Factor (Using DER Net) 37.9 37.9 58.9 23.
Unit Forced Outage Rate 52.6 52.6 12.1 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 l
j 1
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UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO.
50-338 REPORT MONTH JANUARY UNIT NAME NA-1 YEAR 1986 DATE 03-03-86 COMPLETED BY LBrenda Garner
- Corrective Copy 85-25 (1)'
Continuation from December 1985, when Unit was taken off line due to Thermo Couple Cono-Seal leakage on the reactor head.
Repairs were made and on January 17, 1986, at 0715 the Unit returned on line.
- 86-01 (2)
On January 18, 1986, at 2349, tM unit was taken off line to perform Turbine Overspeed Trip' Test.
On January 19, 1986, at 0130, the reactor tripped due to first stage, pressure spike during the Turbine Overspeed Testing.
The~ ' Turbine Overspeed Trip Test was completed.
The unit returned on line January 19, 1986, at 0627.
Post, refueling fuel conditioning and flux mapping were performed.
On January 21, 1986, at 2232 the Unit was stabilized at 100% power.
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- Corrective Copy UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
50-338
[
UNIT NAME North Anna 1 i
DATE 03-03-86
[
REPORT MONTH JANUARY,1986 COMPLETED BY Brenda Garner l
TELEPHONE (703) 894-5151 X2527 t
1 2
l No.
Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours)
Shutting Event Code Code
^
3 4
5 Down Reactor Report #
Prevent Recurrence 85-25 851229 F
391.3 H
1 LER N1-85-29 NA NA Continuation from December 1985,-
on repairs to the Thermo Couple j
Cono-Seals on the reactor head.
Repairs were made and Unit re-j turned to 30% power.
},
86-01 860118 S
6.6 H
5 LER N1-86-01 NA NA Commenced rampdown to 0% power to perform Turbine Overspeed l
Trip Test. Approximately two l
hours after Unit came off line, l
at 0130, Reactor tripped due to first stage pressure spike.
i On January 21, 1986, Unit l
returned to 100% power.
i d
i 1
2 3
4 i
F: Forced Reason:
Method:
Exhibit F - Instructions l
S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data l
B-Maintenance or Test 2-Manual Sc ram.
Entry Sheets for Licensee
.C-Refueling 3-Automatic-Scram Event Report (LER) File-D-Regulatory Restriction 4-Continuations (NUREG-0161) l E-Operator Training & License Examination 5-Load Reduction I
'F-Administrative 9-Other G-Operational Error (Explain) 5 i
H-Other (Explain)
Exhibit H - Same Source
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Ibst OgiaIkarJctM e
Chshrmmd, Vurgtnus 23.%1 i
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March 14, 1986 vmGAMA POWEft i
Mr. Maurice R. Beebe Serial No.86-153 Office of Resource Management N0/DJV:acm i
U.S. Nuclear Regulatory Commission Docket Nos. 50-338 Washington, D.C. 20555 50-339 License Nos. NPF--4 NPF-7
)
Dear Mr. Beebe:
i VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNITS NOS. 1 AND 2 l
MONTHLY OPERATING REPORT 4
i l
Enclosed is the Monthly Operating Report for North Anna Pcucr Otaticr. Uriit i
Nos. I and 2 for the month of February, 1986.
Also enclosed are corrected
]
pages for the Monthly Operating Report for January, 1986.
1 1
Very truly yours,
_1 I
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)
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) l
~
NRC Resident Inspector North Anna Power Station i
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