ML031400565
| ML031400565 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 05/12/2003 |
| From: | Heacock D Virginia Electric & Power Co (VEPCO) |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| 03-342, NAPS/JRP | |
| Download: ML031400565 (11) | |
Text
VIRGINIA ELECTRIC AND POWER COMPANY RICHMOND, VIRGINIA 23261 May 12, 2003 United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, D. C. 20555 Serial No.
NAPS/JRP 03-342 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, 2003, Monthly Operating Report for North Anna Power Station Units 1 and 2.
Very truly yours, Th)A41 D. A. Heacock Site Vice President Enclosure Commitments made in this letter: None.
cc:
U. S. Nuclear Regulatory Commission Region II Sam Nunn Atlanta Federal Center 61 Forsyth St., SW, Suite 23T85 Atlanta, Georgia 30303 Mr. M. J. Morgan NRC Senior Resident Inspector North Anna Power Station
--- T-eA
VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT APRIL 2003 Approved:
Site Vice President g 3 Date
OPERATING DATA REPORT 50-338 05/12/03 D. A. Heacock (540) 894-2101
- 1.
Unit Name:............................................................
- 2.
Reporting Period:..................................................
- 3.
Licensed Thermal Power (MWt):..........................
- 4.
Nameplate Rating (Gross MWe):..........................
- 5.
Design Electrical Rating (Net MWe):....................
- 6.
Maximum Dependable Capacity (Gross MWe):....
- 7.
Maximum Dependable Capacity (Net MWe):........
North Anna Unit 1 April, 2003 2,893 979.74 907 971 925
- 8.
If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:
N/A Power Level To Which Restricted, If Any (Net MWe):
N/A Reasons For Restrictions, If Any:
N/A This Month Year-To-Date Cumulative Hours in Reporting Period 719.0 2,879.0 217,883.0 Hours Reactor Was Critical 311.5 1,585.2 176,641.0 Reactor Reserve Shutdown Hours 67.3 80.9 7,356.1 Hours Generator On-Line 285.3 1,557.5 173,346.8 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Gross Thermal Energy Generated (MWH) 728,761.4 3,993,968.8 472,705,029.1 Gross Electrical Energy Generated (MWH) 243,528.0 1,350,253.0 193,283,868.0 Net Electrical Energy Generated (MWH) 229,137.0 1,275,718.0 148,259,620.0 Unit Service Factor 39.7%
54.1%
79.6%
Unit Availability Factor 39.7%
54.1%
79.6%
Unit Capacity Factor (Using MDC Net) 34.5%
47.9%
75.9%
Unit Capacity Factor (Using DER Net) 35.1%
48.9%
75.0%
Unit Forced Outage Rate 5.7%
1.1%
6.5%
Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): N/A Type and duration of scheduled shutdowns are no longer provided.
(
Reference:
Letter Serial No.00-070, dated February 11, 2000)
If Shut Down at End of Report Period, Estimated Date of Start-up:
N/A Estimated start-up dates are no longer provided.
(
Reference:
Letter Serial No.00-070, dated February 11, 2000)
- 26.
Unit In Test Status (Prior to Commercial Operation):
FORECAST ACHIEVED INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION Docket No.:
Date:
Contact:
Telephone:
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
AVERAGE DAILY UNIT POWER LEVEL Docket No.:
50-338 Unit Name:
North Anna Unit 1 Date:
05/12/03
Contact:
D. A. Heacock Telephone:
(540) 894-2101 MoNTH:
April, 2003 Day 1
2 3
4 5
6 7
8 9
10 11 12 13 14 15 16 Average Daily Power Level (MWe - Net) 000 000 000 000 000 000 000 000 000 000 000 600 000 000 000 000 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Average Daily Power Level (MWe-Net) 000 110 349 148 673 877 916 932 934 934 935 934 933 935 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.
Docket No.:
50-338 Unit Name:
North Anna Unit 1 Date: 05/12/03
Contact:
D. A. Heacock Telephone:
(540) 894-2101 NORTH ANNA POWER STATION UNIT NO.: 1 MONTH: April, 2003
SUMMARY
OF OPERATING EXPERIENCE Page 1 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.
Date Time Data April 1, 2003 April 3,2003 April 4, 2003 April 7, 2003 April 13,2003 April 14,2003 April 15,2003 April 16,2003 April 17,2003 April 18,2003 April 19,2003 0000 0936 1953 0756 1114 1630 1957 0015 1614 2216 1222 1402 1420 0158 0444 0929 1041 0320 1848 2008 Began the month defueled.
Entered Mode 6 Core on-load complete Entered Mode 5 Entered Mode 4 Entered Mode 3 Entered Mode 4 Entered Mode 5 Entered Mode 4 Entered Mode 3 Entered Mode 2 Reactor Critical Commence Physics Testing Physics Testing complete Entered Mode 1 Generator On-line Stabilized Power @ 28% power, 214 Mwe.
Commence ramp-up Stabilized @ 74% power, 739 Mwe for Flux map.
Manual Reactor Trip due to #2 & 4 Throttle Valves drifting shut from low EHC pressure.
Docket No.: 50-338 Unit Name:
North Anna Unit 1 Date:
05/12/03
Contact:
D. A. Heacock Telephone:
(540) 894-2101 NORTH ANNA POWER STATION UNIT NO.: 1 MONTH: April, 2003
SUMMARY
OF OPERATING EXPERIENCE Page 2 of 2 Time Data April20,2003 April 21, 2003 April 22,2003 April 30,2003 0559 0615 0635 0940 1321 1430 1544 1628 2045 0500 2050 0600 1004 1027 1037 1050 1150 2400 Commence Ul Reactor Startup Entered Mode 2 Reactor Critical Entered Mode 1 Unit On-line Stabilized power @ 30%, 240 Mwe. for Calorimetric Commence Ramp-up Unit @ 40% power, 340 Mwe.
Commence ramp to 75%
Stabilized power @ 74%,735 Mwe. for Flux Map Commence Ramp-up Holding power @ 90%
Commence power increase Stabilized power @ 98%, 948 Mwe. for Calorimetric Calorimetric complete SAT.
Commence power increase to 100%
Stabilized power @ 100%, 956 Mwe.
Ended the month in Mode 1, 100% power, 980 Mwe.
Date
Docket No.:
Unit Name:
Date:
Contact:
Telephone:
50-338 North Anna Unit 1 05/12/03 D. A. Heacock (540) 894-2101 UNIT SHUTDOWN AND POWER REDUCTION (EQUAL To OR GREATER THAN 20%)
REPORT MONTH: April, 2003 (1)
F:
Forced S:
Scheduled (2)
REASON:
A -
Equipment Failure (Explain)
B -
Maintenance or Test C -
Refueling D -
Regulatory Restriction E -
Operator Training & Licensing Examination F -
Administrative G -
Operational Error H -
Other (Explain)
(3)
METHOD:
1 -
Manual 2 -
Manual Scram 3 -
Automatic Scram 4 -
Continuations 5 -
Load Reduction 9 -
Other (4)
Exhibit G - Instructions for Preparation of Data Entry Sheets for Licensee Event Report (LER) File (NUREG 0161)
(5)
Exhibit H - Same Source (1)
(2)
(3)
(4)
(5)
Method Report Duration of LER System Component Cause &
No.
Date Type Hours Reason Shutting No.
Code Code Corrective Action Down to Prevent Reactor Recurrence N1-2003-01 03/04/18 S
416.5 B/C 1
Continuation of Refueling /
Reactor Head Replacement N1-2003-02 03/04/19 F
17.2 A
1 Failure of interface diaphragm caused # 2 & 4 Throttle Valves to drift closed.
OPERATING DATA REPORT 50-339 05/12/03 D. A. Heacock (540) 894-2101
- 1.
Unit Name:............................................................
- 2.
Reporting Period:..................................................
- 3.
Licensed Thermal Power (MWt):..........................
- 4.
Nameplate Rating (Gross MWe):..........................
- 5.
Design Electrical Rating (Net MWe):....................
- 6.
Maximum Dependable Capacity (Gross MWe):....
- 7.
Maximum Dependable Capacity (Net MWe):........
North Anna Unit 2 April, 2003 2,893 979 907 963 917
- 8.
If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons: N/A Power Level To Which Restricted, If Any (Net MWe):
N/A Reasons For Restrictions, If Any:
N/A This Month Year-To-Date Cumulative Hours in Reporting Period 719.0 2,879.0 196,151.0 Hours Reactor Was Critical 716.8 2,151.1 165,601.8 Reactor Reserve Shutdown Hours 1.8 44.6 7,547.0 Hours Generator On-Line 709.2 2,070.1 164,186.5 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Gross Thermal Energy Generated (MWH) 2,030,269.9 5,883,883.8 453,739,033.1 Gross Electrical Energy Generated (MWH) 675,930.0 1,955,575.0 148,966,251.0 Net Electrical Energy Generated (MWH) 642,855.0 1,858,804.0 142,162,373.0 Unit Service Factor 98.6%
71.9%
83.7%
Unit Availability Factor 98.6%
71.9%
83.7%
Unit Capacity Factor (Using MDC Net) 97.5%
70.4%
80.5%
Unit Capacity Factor (Using DER Net) 98.6%
71.2%
79.9%
Unit Forced Outage Rate 1.4%
1.0%
4.0%
Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): N/A Type and duration of scheduled shutdowns are no longer provided.
(
Reference:
Letter Serial No.00-070, dated February 11, 2000)
If Shut Down at End of Report Period, Estimated Date of Start-up:
N/A Estimated start-up dates are no longer provided.
(
Reference:
Letter Serial No.00-070, dated February 11, 2000)
- 26.
Unit In Test Status (Prior to Commercial Operation):
FORECAST ACHIEVED INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION Docket No.:
- Date:
Contact:
Telephone:
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
AVERAGE DAILY UNIT POWER LEVEL Docket No.:
50-339 Unit Name:
North Anna Unit 2 Date:
05/12/03
Contact:
D. A. Heacock Telephone:
(540) 894-2101 MoNTH:
April, 2003 Day 1
2 3
4 5
6 7
8 9
10 11 12 13 14 15 16 Average Daily Power Level (MWe - Net) 246 904 910 915 917 917 916 917 917 916 915 914 914 914 912 912 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Average Daily Power Level (MWe - Net) 913 918 917 917 919 920 924 924 923 923 923 916 914 917 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.
Docket No.:
- Unit Name:
Date:
Contact:
Telephone:
50-339 North Anna Unit 2 05/12/03 D. A. Heacock (540) 894-2101 NORTH ANNA POWER STATION UNIT NO.: 2 MONTH: April, 2003
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.
Date Time April 1,2003 0000 April 2, 2003 April 30,2003 0148 0215 0256 0952 1050 1618 1712 1801 1955 2025 2135 2315 0011 0031 0122 2400 Data Began the month in Mode 3 Entered Mode 2 Reactor Critical Entered Mode 1 Closed G202; Unit On-line Unit © 30% power for Chemistry Hold Cleared Chemistry Hold; Commence ramp to 45% power Holding @ 45% power Commence ramp-up Holding @ 75% power, 720 Mwe.
Commence ramp to 90%
Holding ramp @ 90% power, 858 Mwe.
Increasing power to 98%
Secured ramp @ 98% power, 944 Mwe.
Commence ramp to 100%
Unit @ 100% power, 960 Mwe.
Ended the Month in Mode 1, 100% power, 960 Mwe.
Docket No.: 50-339 Unit Name:
North Anna Unit 2 Date:
05/12/03
Contact:
D. A. Heacock Telephone:
(540) 894-2101 UNIT SHUTDOWN AND POWER REDUCTION (EOUAL To OR GREATER THAN 20%)
REPORT MONTH: April, 2003 (1)
F:
Forced S:
Scheduled (2)
REASON:
A -
Equipment Failure (Explain)
B -
Maintenance or Test C -
Refueling D -
Regulatory Restriction E -
Operator Training & Licensing Examination F -
Administrative G -
Operational Error H -
Other (explain)
(3)
METHOD:
1 -
Manual 2 -
Manual Scram 3 -
Automatic Scram 4 -
Continuations 5 -
Load Reduction 9 -
Other (4)
Exhibit G - Instructions for Preparation of Data Entry Sheets for Licensee Event Report (LER) File (NUREG 0161)
(5)
Exhibit H - Same Source (1)
(2)
(3)
(4)
(5)
Method of Report Duration Shutting LER System Component Cause & Corrective No Date Type Hours Reason Down No.
Code Code Action to Prevent Reactor Recurrence N2-2003-01 03/04/01 F
9.8 A
3 Continuation of Scram on 03/03/31 Failure of 2-FW-FCY-2498 (fuse) driver card for 2-FW-FCV-2498.