ML20206Q667
| ML20206Q667 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 04/30/1999 |
| From: | Matthews W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 99-276, NUDOCS 9905190189 | |
| Download: ML20206Q667 (10) | |
Text
,
Vincisir E1.ECTRIC ANI) POWr. CON 11%NY Ricissiossi, \\'incess >. 23261 May 11,1999 4
United States Nuclear Regulatory Commission Serial No.99-276 Attention: Document Control Desk NAPS /JHL
\\"ashington, D. C. 20555 Docket Nos.
50-338 50-339 License Nos. NPF-4 NPF-7 Gentlemen:
VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NOS.1 AND 2 MONTHLY OPERATING REPORT Enclosed is the April 1999 Monthly Operating Report for North Anna Power Station Units 1 and 2.
Very truly yours,
?d ll W. R. Ma thews Site Vice President Enclosure Commitments made in this letter: None.
cc:
U. S. Nuclear Regulatory Commission Region ll Atlanta Federal Center 61 Forsyth St., SW, Suite 23T85 Atlanta, Georgia 30303 Mr. M. J. Morgan 1
NRC Senior Resident inspector North Anna Power Station 9905190189 990430 PDR ADOCK 05000338 R
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VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT APRIL 1999 Approved:
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~ Ste Vice President Dato k
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l OPERATING DATA REPORT Docket No.: 50-338 Date: 05/05/99 l
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Contact:
W. R. Matthews Telephone: (540) 894-2101 1.
Unit Name:..
North Anna Unit 1
- 2.. Reporting Period:...
April,1999 3.
Licensed Thermal Power (MWt):.
2.893 4.
Nameplate Rating (Gross MWe):
979.74 5.
Design Electrical Rating (Net MWe)::
907 6.
Maximum Dependable Capacity (Gross MWe):..
940 7.
Maximum Cependable Capacity (Net MWe):
893 8.
If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reason ::
N/A 9.
Power Level To Which Restricted, if Any (Net MWe): N/A 10.
Reasons For P*sstrictions,if Any:
N/A This Month Year-To Date Cumulative
- 11. Hours in Reporting Period 719.0 2,879.0 182,819.0
- 12. Hours Reactor Was Critical 719.0 2,879.0 144,304.2
- 13. Reactor Reserve Shutdown Hours 0.0 0.0 7,134.2
- 14. Hours Generator On-Line 719.0 2,879.0 141,138.8
- 15. Unit Reserve Shutdown Hours 0.0 0.0 0.0
- 16. Gross Thermal Energy Generated (MWH) 2,077,249.0 8,321,117.3 382,016.146.2
- 17. Gross Electrical Energy Generated (MWH) 704,396.0 2,791,417.0 162,549,287.0
- 18. Net Electrical Energy Generated (MWH) 671,737.0 2,661,260.0 119,022,498.0
- 19. Unit Service Factor 100.0 %
100.0 %
77.2 %
- 20. Unit Availability Factor 100.0 %
100.0 %
77.2 %
- 21. Unit Capacity Factor (Using MDC Net) 104.6 %
103.5 %
72.8 %
- 22. Unit Capacity Factor (Using DER Net) 103.0 %
101.9 %
71.8 %
- 23. Unit Forced Outage Rate 0.0%
0.0%
7.7%
24.
Shutdowns Scher.' led Over Next 6 Months (Type, Date, and Duration of Each):
N/A 25.
If Shut Down at End of Report Period, Estimated Date of Start-up:
- 26. Unit in Test Status (Prior to Commercial Operation):
FORECAST ACHIEVED INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION
\\
AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-338 Unit Name: North Anna Unit 1 Date: 05/05/99
Contact:
W. R. Matthews Telephone: (540) 894 2101 MONTH:
April,1999 Average Daily Power Level Average Daily Power Level Day (MWe - Net)
Day (MWe - Net) 1 936 17 936 2
937 18 936 3
936 19 936 4
892 20 935 5
926 21 936 6
935 22 936 7
935 23 935 8
934 24 936 9
932 25 936 10 929 26 935 11 935 27 935 12 928 28 935 13 931 29 935 14 936 30 935 15 936 16 936 INSTRUCTIONS On this format, list the average daily unit power levelin MWe Net for each day in the reporting month. Compute to the nearest whole megawatt.
i 4
Docket No.: 50-338 Unit Name: North Anna Unit 1 l
Date: 05/05/99
Contact:
W. R. Matthews Telephone: (540)894-2101 NORTH ANNA POWER STATION UNIT NO.: 1 MONTH: April 1999
SUMMARY
OF OPERATING EXPERIENCE Page 1 of 1 Listed below in chronological eaguence is a summary of operating experiences for this month which required load reductions or resulted in signiin, ant non-load related incidents.
Datt
.TJ.trin Date April 1,1999 0000 Began the month in Mode 1,100% power,983 MWe.
April 4,1999 1445 Ramped down to 98.5% power,968 MWe due to 'B" iso-phase bus duct temperature being greater than 100 C.
April 6,1999 0000 Ramped unit back to 100% power.
April 9,1999 2346 Ramped unit to 88.5% power,870 MWe, for turbine valve i
freedom testing (TVFT).
)
April 10,1999 0410 Ramped unit to 100% power,982 MWe, following successful completion of TVFT.
April 12,1999 0044 Ramped unit to 95% power,937 MWe, for removal of "B" condenser waterbox for tube inspection / plugging.
0400 "B" condenser waterbox maintenance complete. Ramped unit to 100% power,976 MWe.
April 30,1999 2400 Ended month in Mode 1,100% power,982 MWe.
i
9 Docket No.: 50-338 Unit Name: North Anna Unit 1 Date: 05/05/99
Contact:
W. R. Matthews Telephone: (540) 894-2101 UNIT SHUTDOWN AND POWER REDUCTION (EouALTo oR GREATER THAN 20%)
REPORT MONTH: April,1999 (1)
(2)
(3)
(4)
(5)
Method Duration of.
LER No.
System Component Cause & Corrective Action Date Type Hours Reason Shutting Code Code to Prevent Recurrence Down Reactor None during the reporting period.
(1)
(2)
(3)
F: Forced REASON:
METHOD:
S:. Scheduled A-Equipment Failure (Explain) 1 - Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restriction 4 - Other (Explain)
E-Operator Training & Licensing Examination F-Administrative G-Operational Error (Explain)
(4)
(5)
Exhibit G - Instructions for Preparation of Data Entry Sheets Exhibit 1 Same Source for Licensee Event Report (LER) File (NUREG 0161) l
+
l 1
OPERATING DATA REPORT i
Docket No.: 50-339 Date: 05/05/99
)
l
Contact:
W. R. Matthews Telephone: (540) 894-2101 l
1.
Unit Namen North Anna Unit 2 2
Reporting Period:-
April,1999 3.
Licensed Thermal Power (MWt):.
2,893 4.
Nameplate Rating (Gross MWe):
979 5.
Design Electrical Rating (Net MWe):.
907 6.
Maximum Dependable Capacity (Gross MWe):
944 7.
Maximum Dependable Capacity (Net MWe):
897 8.
If Changes Occur in Capacity Ratings (items Number 3 Through 7) Since Last Report, Give Reasons:
N/A l
9.
Power Level To Which Restricted, if Any (Not MWe): N/A l
10.
Reasons For Restrictions,if Any:
N/A This Month Year-To-Date Cumulative 11.
Hours in Reporting Period 719.0 2,879.0 161,087.0 12.
Hours Reactor Was Critical 719.0 2,879.0 136,667.2 l
13.
Reactor Reserve Shutdown Hours 0.0 0.0 7,241.5 14.
Hours Generator On-Line 719.0 2,879.0 135,452.3 j
15.
Unit Reserve Shutdown Hours 0.0 0.0 0.0 l
16.
Gross Thermal Energy Generated (MWH) 2,074,367.8 8,314,227.9 372,040,923.6 17.
Gross Electrical Energy Generated (MWH) 689,703.0 2,735,285.0 121,692,201.0 l
18.
Net Electrical Energy Generated (MWH) 656,902.0 2,605,545.0 116,219,618.0 19.
Unit Service Factor 100.0 %
100.0 %
84.1 %
l 20.
Unit Availability Factor 100.0 %
100.0 %
84.1 %
21.
Unit Capacity Factor (Using MDC Net) 101.9 %
100.9 %
80.2 %
22.
Unit Capacity Factor (Using DER Net) 100.7 %
99.8%.
79.5 %
23.
Unit Forced Outage Rate 0.0%
0.0%
4.7%
l l
l 24.
Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
30 Day Refueling Outage - September 1999 l
l 25.
If Shut Down at End of Report Period, Estimated Date of Start-up:
N/A
- 26. Unit in Test Status (Prior to Comroercial Operation):
l FORECAST ACHIEVED INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION
l'.
AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-339 Unit Name: North Anna Unit 2 i
Date: 05/05/99 l
Contact:
W. R. Matthews l
Telephone: (540) 894-2101 MONTH:
April,1999 Average Daily Power Level Average Daily Power Level Day (MWe Net)
Day (MWe - Net) 1 916 17 914 2
915 18 915 3
915 19 915 4
877 20 914 5
914 21 916 6
915 22 914 7
913 23 913 8
913 24 915 9
913 25 917
)
10 914 26 917 11 914 27 908 12 913 28.
911 13 914 29 909 14 914 30 915 15 914 16 914 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.
l
e Docket No.: 5>339 Unit Name: North Anna Unit 2 Date:
05/05/99
Contact:
W. R. Matthews Telephone: (540) 894-2101 NORTH ANNA POWER STATION UNIT NO.:.2 MONTH: April 1999
SUMMARY
OF OPERATING EXPERIENCE Page 1 of 1 Listed below in chronological sequence is a summary of operating experiences for the month which required load reductions or resulted in significant non-load related incidents.
Dalt li!!!t D818 April 1,1999 0000 Began the month in Mode 1,100% power,962 MWe, April 30,1999 2400 Ended the month in Mode 1,100% power,960 MWe.
1 l
i 2
Docket No.: 50-339 Unit Name: North Anna Unit 2 Date: 05/05/99
Contact:
W. R. Matthews Telephone: (540) 894-2101 UNIT SHUTDOWN AND POWER REDUCTION (EouAL To oR GREATER THAN 20%)
REPORT MONTH: April,1999 (1)
(2)
(3)
(4)
(5)
Method Duration of LER No, System Component Cause & Corrective Action Date Type Hours Reason Shutting Code Code to Prevent Recurrence Down Rx i
None during the reporting period.
I l
l l
l l
1 (1)
(2)
(3)
F: Forced REASON:
METHOD:
S: Scheduled A-Equipment Failure (Explain) 1 - Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restriction 4
Other (Explain)
E-Operator Training & Licensing Examination F-Administrative f
G-Operational Error (Explain)
(4)
(5)
Exhibit G Instructions for Preparation of Data Entry Sheets Exhibit 1 Same Source for Licensee Event Report (LER) File (NUREG 0161) i