ML20195D057
| ML20195D057 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 10/31/1998 |
| From: | Matthews W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 98-682, NUDOCS 9811170281 | |
| Download: ML20195D057 (11) | |
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l VIRGINIA ELECTRIC AND POWER COMPANY j
RICHMOND, VIRGINIA 200 61 November 10,1998 i-United States Nuclear Regulatory Commission Serial No.98-682 Attention: Document Control Desk NAPS /JHL Washington, D. C. 20555 Docket Nos.
50-338 50-339 i
License Nos. NPF-4 l
NPF-7 l
l Gentlemen:
VIRGINIA ELECTRIC AND POWER COMPANY l
NORTH ANNA POWER STATION UNIT NOS.1 AND 2 jA_ONTHLY OPERATING REPORT Enclosed is the October 1998 Monthly Operating Report for North Anna Power Station i
Units 1 and 2.
Very truly yours,
&&W i
W. R. Matthews Site Vice President l
Enclosure l
Commitments made in this letter: None, cc:
U. S. Nuclear Regulatory Commission Region 11 l
Atlanta Federal Center
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I 61 Forsyth St., SW, Suite 23T85 l
Atlanta, Georgia 30303 l
Mr. M. J. Morgan NRC Senior Resident inspector North Anna Power Station 9811170281 981031 U
l' PDR ADOCK 05000338 i
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VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANfjA POWER STATION MONTHLY OPERATINO REPORT OCTOBER 1998
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Approved.
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Sit 5 Vice President Date I
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OPERATING DATA REPORT
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Docket No : 50-338 Date:
11/05/98
Contact:
W. R. Matthews i
Telephone: (540) 894-2101 1.
Unit Name:
North Anna Unit 1 2.
Reporting Period:.
October,1998 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 Dependable Capacity (Net MWe):
893 8.
If Changes Occur in Capacity Ratings (Items Number 3 Through 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 Year-To-Date Cumulative
- 11. Hours in Reporting Period 745.0 7,296.0 178,476.0
- 12. Hours Reactor Was Critical 585.9 6,706.2 139,961.2
- 13. Reactor Reserve Shutdown Hours 24.3 39.2 7,134.2
' 14. Hours Generator On-Line '
566.8 6,628.4 136,795.8
- 15. Unit Reserve Shutdown Hours 0.0 0.0 0.0
- 16. Gross Thermal Energy Generated (MWH) 1,511,442.1 18,926,310.2 369,460,782.7
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- 17. Gross Electrical Energy Generated (MWH) 502.115.0 6,177,082.0 158,347,735.0 1
- 18. Net Electrical Energy Generated (MWH) 476,205.0 5,872,520.0 115,016,703.0 19.' Unit Service Factor 76.1 %
90.8 %
76.6 %
- 20. Unit Availability Factor 76.1 %
90.8 %
76.6 %
- 21. Unit Capacity Factor (Using MDC Net) 71.6 %
90.1 %
72.1 %
- 22. Unit Capacity Factor (Using DER Net) 70.5 %
88.7 %
71.1 %
- 23. Unit Forced Outage Rote 0.0%
0.9%
8.0%
24.
Shutdowns Scheduled Over Next 6 Months (Type, Date and Duration of Each):
N/A I
- 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 4
AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-338 Unit Name: North Anna Unit 1 Date: 11/05/98
Contact:
W. R. Matthews Telephone: (540) 894-2101
' MONTH:
October,1998 Average Daily Power Level Average Daily Power Level Day (MWe Net)
Day (MWe - Net) 1 000 17 795 2
000 18 850 3'
000 19 919 4
000 20 919 5
000 21 919 6
000 22 919 7
000 23 918 l
8 102 24 919 9-275 25 958 l
l 10 561 26 919 11 847 27 919 l
J 12 892 28 919 13 911 29 920 14 918 30 919 15 919 31 919 16 786 i
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4 lNSTRUCTIONS l
- i; l On this format, list the average daily unit power level in MWe - Net for each day in the reporting month. Compute i.
to the nearest whole megawatt.
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Docket No.: 50-338 Unit Name: North Anna Unit 1
'a Date: 11/05/98
Contact:
W. R. Matthews Telephone: (540) 894-2101 NORTH ANNA POWER STATION UNIT NO.:,,1 MONTH: October 1998
SUMMARY
OF OPERATING EXPERIENCE Page 1 of 2 Usted 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.
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Time Data October 1,1998 0000 Began the month in Mode 5.
October 6,1998 1405 Entered Mode 4.
1833 Entered Mode 3.
j October 7,1998 1504 Reactor is critical.
October 8,1998 0915 Closed G-12 breaker. Unit 1 is on-line.
l 2110 Stopped ramp-up at 30% power to perform flux mapping.
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2158 Unit is in a 30% power chemistry hold.
i October 9,1998 0526 Cleared 30% power chemistry hold and commenced ramp-up.
1615 Holding power at 45.6%,411 MWe to swap feedwater pumps and perform flux mapping.
October 10,1998 0250 Flux mapping complete. Commenced unit ramp-up.
0921 Unit stable at 70% power,660 MWe, for flux mapping.
1615 Flux mapping completed satisfactorily.
October 11,1998 0053 Commenced unrt ramp-up.
0915 Stabilized power at 96%, 926 MWe, for flux mapping.
1707 Commenced ramp-up to 100% power.
l' 1745 Unit at 100% power,965 MWe.
l October 12,1998 1640 Electrohydraulic Control (EHC) oil leak discovered on No.1 governor valve. Commenced unit ramp-down.
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Docket No.: 50-338 l
Unit Name: North Anna Unit 1 l
Date: 11/05/98
Contact:
W. R. Matthews Telephone: (540) 894-2101 i
NORTH ANNA POWER Sl'ATION UNIT NO.:.1 MONTH: October 1998
SUMMARY
OF OPERATING EXPERIENCE l
l Page 2 of 2 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.
l Dalt Il!Bf Rela October 12,1998 1700 Isolated leak on No.1 governor valve. Power is stabilized at 93%
i power,905 MWe.
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2009 Commenced ramp-down to establish full closed signal from EHC system to govemor valve No.1. Unit at 91% power,881 MWe.
i 2026 Stopped ramp-down. Governor valve No.1 is full closed.
l 2105 EHC restored to govemor valve No.1. Commenced ramp-up to 100% power.
1-October 13,1998 0347 Unit at 100% power,965 MWe.
October 16,1998 0003 Commenced ramp-down to pe-form condenser water box maintenance.
0139 Unit at 86% power,845 MWe.
' October 17,1998 1737 Condenser water box maintenance complete. Commenced ramp-up to 90% power.
1857 Holding power at 90%, 858 MWe, to perform calorimetric.
October 18,1998 1652 Commenced ramp-up to 100% power.
2027 Unit at 100% power,962 MWe.
October 31,1998 2400 Ended montn in Mode 1,100% power, 966 MWe.
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Docket No.: 50-338 Unit Name: North Anna Unit 1 Date: 10/05/98
Contact:
W. R. Matthews Telephone: (540)894-2101 UNIT SHUTDOWN AND POWER REDUCTION (EQUALTo on GREATER THAN 20%)
REPORT MONTH: September,1998 (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 1
Down Reactor 9-13-98 S
177 hrs.
C 1
NA NA NA Continuation of 1998 scheduled refueling 15 mn.
outage.
l (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) l Exhibit G -Instructions for Preparation of Data Entry Sheets Exhibit 1 - Same Source I
for Licensee Event Report (LER) File (NUREG 0161) p F
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l OPERATING DATA REPORT l
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Docket No.: 50-339 Date:
11/05/98
Contact:
W. R. Matthews Telephone: (540) 894-2101 1.
Unit Name:.
North Anna Unit 2 2.
Reporting Period:...
October,1998 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 1
9.
Power Level To Which Restricted, if Any (Net MWe): N/A 10.
Reasons For Restrictions, if Any:
N/A This Month Year-To-Date Cumulative 11.
Hours in Reporting Period 745.0 7,296.0 156,744.0 12, Hours Reactor Was Critical 745.0 6,609.8 132,324.2 l
13.
Reactor Reserve Shutdown Hours 0.0 57.3 7,241.5 14.
Hours Generator On-Line 745.0 6,587.1 131,109.3 15.
Unit Reserve Shutdown Hours 0.0 0.0 0.0 16.
Gross Thermal Energy Generated (MWH) 2,154,864.1 18,699,766.7 359,492,946.7
- 17. - Gross Electrical Energy Generated (MWH) 700,910.0 6,072,941.0 117,575,455.0 18.
Net Electrical Energy Generated (MWH) 666,046.0 5,769,828.0 112,297,796.0 19.
Unit Service Factor 100.0 %
90.3%
83.6 %
20.
Unit Availabihty Factor 100.0%
90.3 %
83.6 %
21.
Unit Capacity Factor (Using MDC Net) 99.7 %
88.2 %
79.7 %
22.
Unit Capacity Factor (Using DER Net) 98.6 %
87.2 %
79.0% -
23.
Unit Forced Outage Rate 0.0%
0.3%
4.8%
- 24. Shutdowns Scheduled Over Next 6' Months (Type, Date, and Duration of Each):
9 None
- 25. If Shut Down at End of Report Period, Estimated Date of Start-up:
N/A
- 26. Unit in Test Status (Prior to Commercial Operation):
FORECAST ACHIEVED INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION
AVERAGE DAILY UNIT POWER LEVEL l
Docket No.: 50-339 Unit Name: North Anna Unit 2 Date: 11/05/98
Contact:
W. R. Matthews Telephone: (540)894-2101
' MONTH:
October,1998 Average Daily Power Level '
Average Daily Power Level DaL (MWe - Net)
Day (MWe - Net) 1
-888 17 894 2
889 18 895 1
3 890 19 896 4
890 20 896 i
1 5
887 21 896 6
889 22 895 7
889 23 896 8
890 24 896 9
891 25 898 10 893 26 898 l
11 893 27 898 12 895 28 898 13 895 29 898 14 896 30 898 15 896 31 897 16 894 l
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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J Docket No.: 50-339 Unit Name: North Anna Unit 2 Date:
11/05/98
Contact:
W. R. Matthews Telephone: (540) 894-2101 NORTH ANNA POWER STATION UNIT NO.:,2 MONTH: October 1998
SUMMARY
OF OPERATING EXPERIENCE
'l Page 1 of 1 -
. Listed below in chror.ological sequence is a summary of operating experiences for the month which required load reductions or resulted in significant non-load related incidents.
E.W.g li_m_,g 9.g!t,g October 1,1998 0000 Began the month in Mode 1,100% power,935 MWe.
October 31,1998 2400 Ended the monti, in Mode 1,100% power, 944 MWe.
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l Docket No.: 50-339 Unit Name: North Anna Unit 2 Date: 11/05/98
Contact:
W. R. Matthews Telephone: (540) 894-2131 UNIT SHUTDOWN AND POWER REDUCTION (EQuALTo oR GREATER THAN 20%)
REPORT MONTH: October,1998 (1)
(2)
(3)
(4)
(5)
Method Duration of LER No.
System Compcnent Cause & Corrective Action Date Type Hours Reason Shutting Code Code to Prevent Recurrence Down Rx None during the reporting period.
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(1)
(2)
(3)
F: Forced REASON:
METHOD:
S: Scheduled A-Equipment Failure (Explain) 1 - Manual 8-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) 4 3
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