ML020420268

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December 2001 Monthly Operating Report for North Anna Power Station, Units 1 and 2
ML020420268
Person / Time
Site: North Anna  
Issue date: 01/11/2002
From: Heacock D
Virginia Electric & Power Co (VEPCO)
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
02-034, NAPS/JHL
Download: ML020420268 (10)


Text

VIRGINIA ELECTRIC AND POWER COMPANY RICHMOND, VIRGINIA 23261 January 11,2002 United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, D. C. 20555 Serial No.

NAPS/JHL 02-034 Docket Nos.

50-338 50-339 License Nos. NPF-4 NPF-7 Gentlemen:

VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NOS. I AND 2 MONTHLY OPERATING REPORT Enclosed is the December 2001 Monthly Operating Report for North Anna Power Station Units 1 and 2.

Very truly yours, Dock 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

VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT DECEMBER 2001 Approved:

Site Vice President D-I ate Date 1.17

OPERATING DATA REPORT 50-338 01/04/02 D. A. Heacock (540) 894-2101 U nit N am e:............................................................

Reporting Period:..................................................

Licensed Thermal Power (MWt):..........................

Nameplate Rating (Gross MW e):..........................

Design Electrical Rating (Net MW e):....................

Maximum Dependable Capacity (Gross MWe):....

Maximum Dependable Capacity (Net MWe):........

North Anna Unit 1 December 2001 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 744.0 8,760.0 206,244.0 Hours Reactor Was Critical 744.0 8,028.4 166,295.8 Reactor Reserve Shutdown Hours 0.0 35.7 7,275.2 Hours Generator On-Line 744.0 8,011.3 163,029.3 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Gross Thermal Energy Generated (MWH) 2,151,009.2 22,108,164.3 443,430,006.9 Gross Electrical Energy Generated (MWH) 732,129.0 7,490,515.0 183,355,231.0 Net Electrical Energy Generated (MWH) 697,125.0 7,120,790.0 138,819,567.0 Unit Service Factor 100.0%

91.5%

79.0%

Unit Availability Factor 100.0%

91.5%

79.0%

Unit Capacity Factor (Using MDC Net) 101.3%

87.9%

75.2%

Unit Capacity Factor (Using DER Net) 103.3%

89.6%

74.2%

Unit Forced Outage Rate 0.0%

0.0%

6.9%

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

1.
2.
3.
4.
5.
6.

7.

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:

01/04/02

Contact:

D. A. Heacock Telephone:

(540) 894-2101 MONTH:

December, 2001 Day 1

2 3

4 5

6 7

8 9

10 11 12 13 14 15 16 Average Daily Power Level (MWe - Net) 939 938 938 937 937 936 937 937 938 939 937 937 937 936 937 937 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Average Daily Power Level (MWe - Net) 938 938 939 938 937 937 937 930 937 936 937 936 936 936 936 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:

01/04/02

Contact:

D. A. Heacock Telephone:

(540) 894-2101 NORTH ANNA POWER STATION UNIT NO.: 1 MONTH: December, 2001

SUMMARY

OF OPERATING EXPERIENCE Page 1 of 1 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 December 1,2001 0000 Began the month in Mode 1,100% power, 986 MWe.

December 31, 2001 2400 Ended the month in Mode 1,100% power, 982 MWe.

Docket No.:

50-338 Unit Name:

North Anna Unit 1 Date:

01/04/02

Contact:

D. A. Heacock Telephone:

(540) 894-2101 UNIT SHUTDOWN AND POWER REDUCTION (EQUAL To OR GREATER THAN 20%)

REPORT MONTH: December, 2001 (1)

(2)

(3)

(4)

(5)

Method Report Duration of LER No.

System Component Cause &

No.

Date Type Hours Reason Shutting Code Code Corrective Action Down to Prevent Reactor Recurrence None during the reporting period.

(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)

(4)

Exhibit G - Instructions for Preparation of Data Entry Sheets for Licensee Event Report (LER) File (NUREG 0161)

(3)

METHOD:

1 -

Manual 2

Manual Scram 3

Automatic Scram 4 -

Continuations 5 -

Load Reduction 9 -

Other (5)

Exhibit H - Same Source (1)

F:

Forced S:

Scheduled

OPERATING DATA REPORT 50-339 01/04/02 D. A. Heacock (540) 894-2101 U nit N am e:............................................................

Reporting Period:..................................................

Licensed Thermal Power (MWt):..........................

Nameplate Rating (Gross MWe):..........................

Design Electrical Rating (Net MW e):....................

Maximum Dependable Capacity (Gross MWe):....

Maximum Dependable Capacity (Net MWe):........

North Anna Unit 2 December, 2001 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 744.0 8,760.0 184,512.0 Hours Reactor Was Critical 367.3 6,830.7 157,450.0 Reactor Reserve Shutdown Hours 67.8 151.1 7,489.7 Hours Generator On-Line 349.1 6,778.6 156,116.4 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Gross Thermal Energy Generated (MWH) 982,913.9 18,844,060.8 430,513,024.0 Gross Electrical Energy Generated (MWH) 327,915.0 6,289,873.0 141,218,141.0 Net Electrical Energy Generated (MWH) 311,717.0 5,975,803.0 134,793,874.0 Unit Service Factor 46.9%

77.4%

84.6%

Unit Availability Factor 46.9%

77.4%

84.6%

Unit Capacity Factor (Using MDC Net) 45.7%

74.4%

81.2%

Unit Capacity Factor (Using DER Net) 46.2%

75.2%

80.5%

Unit Forced Outage Rate 12.8%

1.2%

4.2%

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:

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

1.
2.
3.
4.
5.
6.

7.

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:

01/04/02

Contact:

D. A. Heacock Telephone:

(540) 894-2101 MONTH:

December, 2001 Day 1

2 3

4 5

6 7

8 9

10 11 12 13 14 15 16 Average Daily Power Level (MWe - Net) 000 000 000 000 000 000 000 000 000 000 000 000 000 000 381 917 Day 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Average Daily Power Level (MWe - Net) 923 925 925 925 925 578 000 081 866 925 924 924 923 924 923 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.: 50-339 Unit Name:

North Anna Unit 2 Date:

01/04/02

Contact:

D. A. Heacock Telephone:

(540) 894-2101 NORTH ANNA POWER STATION UNIT NO.: 2 MONTH: Debember, 2001

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 Date Time December 1, 2001 0000 December 9, 2001 0252 December 13, 2001 2001 December 14, 2001 0600 December 15, 2001 0351 December 15, 2001 0358 December 15, 2001 0507 December 15, 2001 0749 December 15, 2001 0910 December 16, 2001 0405 December 22, 2001 1542 December 24, 2001 December 24, 2001 December 24, 2001 December 24, 2001 December 24, 2001 December 24, 2001 December 25, 2001 December 31, 2001 0315 0331 0402 0508 1849 1953 0740 2400 Data Began the month in Mode 6 Entered Mode 5.

Entered Mode 4.

Entered Mode 3.

Commenced reactor startup.

The Unit 2 reactor is critical.

Entered Mode 1.

The main generator was placed on-line.

Unit 2 is at 30% power, 225 MWe.

Unit 2 is at 100% power, 962 MWe.

Automatic reactor trip from 100% power due to EHC power supply failure. The pressurizer PORVs lifted monentarily and immediately reseated during the transient which is not unexpected for a loss of load event.

Commenced reactor startup.

Entered Mode 2.

Tne Unit 2 reactor is critical.

Entered Mode 1.

The main generator was placed on-line.

Unit 2 is at 30% power, 240 MWe.

Unit 2 is at 100% power, 965 MWe.

Ended the month in Mode 1,100% power, 967 MWe.

Docket No.:

50-339 Unit Name:

North Anna Unit 2 Date:

01/04/02

Contact:

D. A. Heacock Telephone:

(540) 894-2101 UNIT SHUTDOWN AND POWER REDUCTION (EQUAL To OR GREATER THAN 20%)

REPORT MONTH: December, 2001 (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)

(4)

Exhibit G - Instructions for Preparation of Data Entry Sheets for Licensee Event Report (LER) File (NUREG 0161)

(3)

METHOD:

1 Manual 2

Manual Scram 3

Automatic Scram 4

Continuations 5 -

Load Reduction 9 -

Other (5)

Exhibit H - Same Source (1)

(2)

(3)

(4)

(5)

Method of Report Duration Shutting LER No.

System Component Cause &

No Date Type Hours Reason Down Code Code Corrective Action Reactor to Prevent Recurrence N2-2001-005 S

343.8 H

1 Continuation of scheduled shutdown to inspect the reactor head.

N2-2001-006 12/22/01 F

51.1 A

3 01-005 TG RECT/IS Automatic reactor trip due to EHC power supply failure.

The diode and switch that caused the reactor trip were replaced.

(1)

F:

Forced S:

Scheduled