NG-02-0390, April 2002 Monthly Operating Report for Duane Arnold Energy Center

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April 2002 Monthly Operating Report for Duane Arnold Energy Center
ML021560485
Person / Time
Site: Duane Arnold NextEra Energy icon.png
Issue date: 05/15/2002
From: Richard Anderson
Nuclear Management Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
GL-97-002, NG-02-0390
Download: ML021560485 (7)
v • d • e


Text

NMCel Committed to Nuclear (xcellen'> DAEC Plant Support Center Operated by Nuclear Management Company, LLC May 15, 2002 NG-02-0390 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Mail Station 0-Pl-17 Washington, DC 20555-0001

Subject:

Duane Arnold Energy Center Docket No: 50-331 Operating License: DPR-49 April 2002 Monthly Operating Report File: A-118d Please find enclosed the Duane Arnold Energy Center Monthly Operating Report for April 2002. The report has been prepared in accordance with the guidelines of NRC Generic Letter 97-02: Revised Contents Of The Monthly Operating Report, and distribution has been made in accordance with DAEC Technical Specifications, Section 5.6.4.

Very truly yours, Rob Anderson Plant Manager-Nuclear RA/RBW Enclosures 3313 DAEC Road 0 Palo, Iowa 52324-9646 Telephone: 319.851.7611

May 15, 2002 NG-02-0390 Page 2 of 2 cc:

Mr. James E. Dyer Ms. Lisa Stump Regional Administrator, Region III Iowa State Utilities Board U.S. Nuclear Regulatory Commission Lucas State Office Building 801 Warrenville Road Des Moines, IA 50319 Lisle, IL 60532-4351 Ms. Barbara Lewis Dr. William A. Jacobs, Jr.

McGraw-Hill, Inc. GDS Associates, Inc.

1200 G Street NW, Suite 1100 1850 Parkway Place, Suite 720 Washington, DC 20005 Marietta, GA 30068-8237 Mr. Dennis Murdock Mr. Dale Arends Central Iowa Power Cooperative Corn Belt Power Cooperative Box 2517 1300 13th Street North Cedar Rapids, IA 52406 Humboldt, IA 50548 Document Control Desk Mr. Al Gutterman INPO Records Center Morgan Lewis 700 Galleria Parkway 1111 Pennsylvania Avenue, NW Atlanta, GA 30339-5957 Washington, DC 20004 Mr. Darl Hood DOCU 1 White Flint North Mail Stop 8H4A NRC Resident Inspector 11555 Rockville Pike Rockville, MD 20852 CTS Project

OPERATING DATA REPORT DOCKET NO: 50-331 DATE: 05-15-2002 Unit: Duane Arnold Energy Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318 OPERATING STATUS

1. Unit Name: Duane Arnold Energy Center
2. Reporting Period: April 2002 Average Daily Power Level
3. Licensed Thermal Power (MWth): 1912 600 Tech. Spec. Amendment 243 andTSCR for extendedpower uprate was implemented November 7, 2001. Current operating-thermal 580 power, as limited by balance-of-plantequipment, is 1790. 560
4. Nameplate Rating (Gross MWe DER): 676.425 540 Currentratedoutput, adjustedfor as-built balance-of-plant 520 conditions is 614.0.

500

5. Design Electrical Rating (Net MWe DER): 581.4 480
6. Maximum Dependable Capacity (Gross MWe MDC): 593.1 460 o o
7. Maximum Dependable Capacity (Net MWe MDC): 565.5 -t o 0

-r -r -r

8. If Changes Occur in Capacity Ratings (Items Number 3 through 7) since the 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 Apr-02 2002 Cumulative
11. Hours in Reporting Period A3.Untorcd002 719.0 20.02  %

2,879.0 8uative 238,823.0

12. Number of Hours Reactor Was Critical 719.0 2,773.0 188,753.6
13. Reactor Reserve Shutdown Hours 0.0 0.0 192.8
14. Hours Generator On-Line 719.0 2,747.0 184,671.9
15. Unit Reserve Shutdown Hours 0.0 0.0 0.0
16. Gross Thermal Energy Generated (MWH) 1,280,084.0 4,802,657.7 269,301,287.5
17. Gross Electrical Energy Generated (MWH) 439,119.0 1,655,110.0 90,389,327.6
18. Net Electrical Energy Generated (MWH) 415,917.3 1,566,922.5 84,942,548.5
19. Unit Service Factor 100.0% 95.4% 77.3%
20. Unit Availability Factor 100.0% 95.4% 77.3%
21. Unit Capacity Factor (Using MDC Net) 102.3% 96.9% 69.4%
22. Unit Capacity Factor (Using DER Net) 99.5% 94.3% 67.1%
23. Unit Forced Outage Rate 0.0% 0.0% 8.4%
24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of each): N/A
25. If Shutdown at End of Report Period, Estimated Date of Startup: N/A

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO: 50-331 DATE: 05-15-2002 Unit: Duane Arnold Energy Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318 MONTH April 2002 Day Average Daily Power Level (MWe-Net) 1 588 2 586 3 588 4 589 5 587 6 585 7 582 8 581 9 584 10 580 11 576 12 583 13 582 14 577 15 571 16 572 17 574 18 567 19 581 20 570 21 508 22 587 23 580 24 579 25 583 26 586 27 582 28 583 29 582 30 583

  1. N/A #N/A

REFUELING INFORMATION DOCKET NO: 50-331 DATE: 05-15-2002 Unit: Duane Arnold Energy Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318

1. Name of facility. Duane Arnold Energy Center
2. Scheduled date for next refueling shutdown. Spring 2003
3. Scheduled date for restart following refueling. Spring 2003
4. Will refueling or resumption of operation thereafter require a technical specification change or other license amendment? No
5. Scheduled date(s) for submitting proposed licensing action and supporting information. N/A
6. Important licensing considerations associated with refueling, e.g., new or different fuel design or supplier, unreviewed design or performance analysis methods, significant changes in fuel design, new operating procedures. N/A
7. Current fuel assemblies inventory Number of Projected date of last Fuel refueling that can be Assemblies discharged (after allowing margin for maintenance of continuous full-core discharge capability)

Installed into reactor core 368 Discharged from core to Spent Fuel Storage Pool I 1912 Installed capacity of Spent Fuel Storage Pool 2411 2001 Licensed capacity of Spent Fuel Storage Pool (with re-racking) 2829 2007 censed capacity of Spent Fuel Storage Pool and Cask Pool (with 3152 2011 reracking)

DOCKETNO: 50-331 DATE: 05-15-2002 Unit: Duane Arnold Energy Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318 UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONTH: April 2002 No. Date Type Duration Reason Method of Licensee Cause (1) (Hours) (2) Shutting Event Down Reactor Report #

(3) 3 04/20 21:28 S 0 B 5 Sequence Exchange (3.55 Effective 04/21 14:30 full-power hours equivalent) 1 - F: Forced 2 - Reason 3 - 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-Continued E-Operator Training & License Examination 5-Reduced Load F-Administrative 9-Other (Explain)

G-Operational Error (Explain)

H-Other (Explain)

DOCKET NO.: 50-331 DATE: 05-15-2002 Unit: Duane Arnold Energy Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318 Monthly Operational Overview for April 2002 At the beginning of April the DAEC had operated 20 days since the start-up following the March 4 - 9 shutdown to identify and repair the source of leakage into the drywell.

Throughout the month the reactor was operated at full power except for the following power reductions:

  • Sequence exchange April 20 - 21
  • Feedwater heater drain valve April 30 Following is the allocation of production and losses for the month.

Allocation of Pr6duction & Lose-s: -- Capacity Factor

%of614 FullPower Electrical MWe Equivalent Output (Target Hours MXVe Output) (FPHeg)

,NeElcti Oupt581 4 4 677.39 Capacity Losses (departures from full thermal power): 5 0.01 0.00% 0.01 Loadline Adjustments: 04/22 04:57 - 05:42 Sequence exchange: 04/20 21:28 - 04/21 14:30 3.03 0.49% 3.55 3Aeedwater Heater drain valve 04/30 17:54 0.06 0.01% 0.07 Maintain Margin to 1790 Administrative MWth Limit 0.30 0.05% 0.35 Efficiency Losses (occur even at full thermal power): (0.40) (0.06%) (0.44')

Un identified (residual) iSeasonal Effects (i.e., warmn weather losses) 0.25 0.04% 0.2.8 Subtotal: On-line Losses (Capacity, Efficiency, and 3.25 0.53% 3.82 Weather):

Licensing Action Summary:

Plant Availability: 100% Unplanned Auto Scrams (while critical) this month: 0 Number of reportable events: 0 Unplanned Auto Scrams (while critical) last 12 months: 0 Main Steam Safety/Relief Valve Challenges this month: 0

Text

NMCel Committed to Nuclear (xcellen'> DAEC Plant Support Center Operated by Nuclear Management Company, LLC May 15, 2002 NG-02-0390 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Mail Station 0-Pl-17 Washington, DC 20555-0001

Subject:

Duane Arnold Energy Center Docket No: 50-331 Operating License: DPR-49 April 2002 Monthly Operating Report File: A-118d Please find enclosed the Duane Arnold Energy Center Monthly Operating Report for April 2002. The report has been prepared in accordance with the guidelines of NRC Generic Letter 97-02: Revised Contents Of The Monthly Operating Report, and distribution has been made in accordance with DAEC Technical Specifications, Section 5.6.4.

Very truly yours, Rob Anderson Plant Manager-Nuclear RA/RBW Enclosures 3313 DAEC Road 0 Palo, Iowa 52324-9646 Telephone: 319.851.7611

May 15, 2002 NG-02-0390 Page 2 of 2 cc:

Mr. James E. Dyer Ms. Lisa Stump Regional Administrator, Region III Iowa State Utilities Board U.S. Nuclear Regulatory Commission Lucas State Office Building 801 Warrenville Road Des Moines, IA 50319 Lisle, IL 60532-4351 Ms. Barbara Lewis Dr. William A. Jacobs, Jr.

McGraw-Hill, Inc. GDS Associates, Inc.

1200 G Street NW, Suite 1100 1850 Parkway Place, Suite 720 Washington, DC 20005 Marietta, GA 30068-8237 Mr. Dennis Murdock Mr. Dale Arends Central Iowa Power Cooperative Corn Belt Power Cooperative Box 2517 1300 13th Street North Cedar Rapids, IA 52406 Humboldt, IA 50548 Document Control Desk Mr. Al Gutterman INPO Records Center Morgan Lewis 700 Galleria Parkway 1111 Pennsylvania Avenue, NW Atlanta, GA 30339-5957 Washington, DC 20004 Mr. Darl Hood DOCU 1 White Flint North Mail Stop 8H4A NRC Resident Inspector 11555 Rockville Pike Rockville, MD 20852 CTS Project

OPERATING DATA REPORT DOCKET NO: 50-331 DATE: 05-15-2002 Unit: Duane Arnold Energy Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318 OPERATING STATUS

1. Unit Name: Duane Arnold Energy Center
2. Reporting Period: April 2002 Average Daily Power Level
3. Licensed Thermal Power (MWth): 1912 600 Tech. Spec. Amendment 243 andTSCR for extendedpower uprate was implemented November 7, 2001. Current operating-thermal 580 power, as limited by balance-of-plantequipment, is 1790. 560
4. Nameplate Rating (Gross MWe DER): 676.425 540 Currentratedoutput, adjustedfor as-built balance-of-plant 520 conditions is 614.0.

500

5. Design Electrical Rating (Net MWe DER): 581.4 480
6. Maximum Dependable Capacity (Gross MWe MDC): 593.1 460 o o
7. Maximum Dependable Capacity (Net MWe MDC): 565.5 -t o 0

-r -r -r

8. If Changes Occur in Capacity Ratings (Items Number 3 through 7) since the 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 Apr-02 2002 Cumulative
11. Hours in Reporting Period A3.Untorcd002 719.0 20.02  %

2,879.0 8uative 238,823.0

12. Number of Hours Reactor Was Critical 719.0 2,773.0 188,753.6
13. Reactor Reserve Shutdown Hours 0.0 0.0 192.8
14. Hours Generator On-Line 719.0 2,747.0 184,671.9
15. Unit Reserve Shutdown Hours 0.0 0.0 0.0
16. Gross Thermal Energy Generated (MWH) 1,280,084.0 4,802,657.7 269,301,287.5
17. Gross Electrical Energy Generated (MWH) 439,119.0 1,655,110.0 90,389,327.6
18. Net Electrical Energy Generated (MWH) 415,917.3 1,566,922.5 84,942,548.5
19. Unit Service Factor 100.0% 95.4% 77.3%
20. Unit Availability Factor 100.0% 95.4% 77.3%
21. Unit Capacity Factor (Using MDC Net) 102.3% 96.9% 69.4%
22. Unit Capacity Factor (Using DER Net) 99.5% 94.3% 67.1%
23. Unit Forced Outage Rate 0.0% 0.0% 8.4%
24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of each): N/A
25. If Shutdown at End of Report Period, Estimated Date of Startup: N/A

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO: 50-331 DATE: 05-15-2002 Unit: Duane Arnold Energy Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318 MONTH April 2002 Day Average Daily Power Level (MWe-Net) 1 588 2 586 3 588 4 589 5 587 6 585 7 582 8 581 9 584 10 580 11 576 12 583 13 582 14 577 15 571 16 572 17 574 18 567 19 581 20 570 21 508 22 587 23 580 24 579 25 583 26 586 27 582 28 583 29 582 30 583

  1. N/A #N/A

REFUELING INFORMATION DOCKET NO: 50-331 DATE: 05-15-2002 Unit: Duane Arnold Energy Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318

1. Name of facility. Duane Arnold Energy Center
2. Scheduled date for next refueling shutdown. Spring 2003
3. Scheduled date for restart following refueling. Spring 2003
4. Will refueling or resumption of operation thereafter require a technical specification change or other license amendment? No
5. Scheduled date(s) for submitting proposed licensing action and supporting information. N/A
6. Important licensing considerations associated with refueling, e.g., new or different fuel design or supplier, unreviewed design or performance analysis methods, significant changes in fuel design, new operating procedures. N/A
7. Current fuel assemblies inventory Number of Projected date of last Fuel refueling that can be Assemblies discharged (after allowing margin for maintenance of continuous full-core discharge capability)

Installed into reactor core 368 Discharged from core to Spent Fuel Storage Pool I 1912 Installed capacity of Spent Fuel Storage Pool 2411 2001 Licensed capacity of Spent Fuel Storage Pool (with re-racking) 2829 2007 censed capacity of Spent Fuel Storage Pool and Cask Pool (with 3152 2011 reracking)

DOCKETNO: 50-331 DATE: 05-15-2002 Unit: Duane Arnold Energy Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318 UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONTH: April 2002 No. Date Type Duration Reason Method of Licensee Cause (1) (Hours) (2) Shutting Event Down Reactor Report #

(3) 3 04/20 21:28 S 0 B 5 Sequence Exchange (3.55 Effective 04/21 14:30 full-power hours equivalent) 1 - F: Forced 2 - Reason 3 - 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-Continued E-Operator Training & License Examination 5-Reduced Load F-Administrative 9-Other (Explain)

G-Operational Error (Explain)

H-Other (Explain)

DOCKET NO.: 50-331 DATE: 05-15-2002 Unit: Duane Arnold Energy Center COMPLETED BY: Richard Woodward TELEPHONE: (319) 851-7318 Monthly Operational Overview for April 2002 At the beginning of April the DAEC had operated 20 days since the start-up following the March 4 - 9 shutdown to identify and repair the source of leakage into the drywell.

Throughout the month the reactor was operated at full power except for the following power reductions:

  • Sequence exchange April 20 - 21
  • Feedwater heater drain valve April 30 Following is the allocation of production and losses for the month.

Allocation of Pr6duction & Lose-s: -- Capacity Factor

%of614 FullPower Electrical MWe Equivalent Output (Target Hours MXVe Output) (FPHeg)

,NeElcti Oupt581 4 4 677.39 Capacity Losses (departures from full thermal power): 5 0.01 0.00% 0.01 Loadline Adjustments: 04/22 04:57 - 05:42 Sequence exchange: 04/20 21:28 - 04/21 14:30 3.03 0.49% 3.55 3Aeedwater Heater drain valve 04/30 17:54 0.06 0.01% 0.07 Maintain Margin to 1790 Administrative MWth Limit 0.30 0.05% 0.35 Efficiency Losses (occur even at full thermal power): (0.40) (0.06%) (0.44')

Un identified (residual) iSeasonal Effects (i.e., warmn weather losses) 0.25 0.04% 0.2.8 Subtotal: On-line Losses (Capacity, Efficiency, and 3.25 0.53% 3.82 Weather):

Licensing Action Summary:

Plant Availability: 100% Unplanned Auto Scrams (while critical) this month: 0 Number of reportable events: 0 Unplanned Auto Scrams (while critical) last 12 months: 0 Main Steam Safety/Relief Valve Challenges this month: 0

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