SVPLTR 04-0010, February 2004 Monthly Operating Report for Dresden Units 2 and 3

February 2004 Monthly Operating Report for Dresden Units 2 and 3

ML040780370
Person / Time
Site:	Dresden
Issue date:	03/10/2004
From:	Bost D Exelon Generation Co, Exelon Nuclear
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
SVPLTR #04-0010
Download: ML040780370 (7)

Text

Exe IenSM Exelon Generation Dresden Generating Station www.exeloncorp.com Nuclear 6500 North Dresden Road Morris, IL 60450-9765 Tel 815-942-2920 March 10, 2004 SVPLTR #04-0010 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555-0001 Dresden Nuclear Power Station, Units 2 and 3 Facility Operating License Nos. DPR-19 and DPR-25 Docket Nos. 50-237 and 50-249

Subject:

Monthly Operating Report for February 2004 In accordance with Technical Specifications, Section 5.6.4, "Monthly Operating Reports," we are submitting the February 2004 Monthly Operating Report for Dresden Nuclear Power Station (DNPS), Units 2 and 3.

Should you have any questions concerning this letter, please contact Mr. Jeff Hansen, Regulatory Assurance Manager, at (815) 416 - 2800.

Respectfully, 3 zu4/

Danny G. Bost Site Vice President Dresden Nuclear Power Station Attachment cc: Regional Administrator - NRC Region IlIl NRC Senior Resident Inspector - Dresden Nuclear Power Station

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ATTACHMENT DRESDEN NUCLEAR POWIER STATION, UNITS 2 AND 3 MONTHLY OPERATING REPORT FOR FEBRUARY 2004 EXELON GENERATION COMPANY, LLC FACILITY OPERATING LICENSE NOS. DPR-19 AND DPR-25 NRC DOCKET NOS. 50-237 AND 50-249 I

. I TABLE OF CONTENTS I. Summary of Operating Experience A. Unit 2 Monthly Operating Experience Summary B. Unit 3 Monthly Operating Experience Summary II. Operating Data Statistics A. Operating Data Report - Dresden Unit 2 B. Operating Data Report - Dresden Unit 3 III Unit Shutdowns A. Unit 2 Shutdowns B. Unit 3 Shutdowns IV. Challenges to Safety and Relief Valves 2

I.

SUMMARY

OF OPERATING EXPERIENCE FOR FEBRUARY - 2004 A. UNIT 2 MONTHLY OPERATING EXPERIENCE

SUMMARY

On February 8, at approximately 0000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br />, load was reduced to approximately 77% electrical output to perform turbine control valve testing and control rod pattern adjustments. The unit returned to full power operation at approximately 2100 hours0.0243 days <br />0.583 hours <br />0.00347 weeks <br />7.9905e-4 months <br />.

With the exception of short periods for routine maintenance, surveillances and the above occurrences, Unit 2 operated at full power throughout the remainder of the reporting period.

B. UNIT 3 MONTHLY OPERATING EXPERIENCE

SUMMARY

Unit 3 began the month of February off line from a shutdown that occurred in January. The unit was returned on line at approximately 1800 on February 2 and returned to full power operation at approximately 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br /> on February 4.

During power ascension, load was reduced to approximately 20% electrical output to repair a feedwater heater extraction steam relay that had failed.

On February 15, at approximately 0300 hours0.00347 days <br />0.0833 hours <br />4.960317e-4 weeks <br />1.1415e-4 months <br />, load was reduced to approximately 77% electrical output to perform control rod pattern adjustments. The unit returned to full power operation at approximately 1600 hours0.0185 days <br />0.444 hours <br />0.00265 weeks <br />6.088e-4 months <br />.

With the exception of short periods for routine maintenance, surveillances and the above occurrences, Unit 3 operated at full power throughout the remainder of the reporting period.

3

11. OPERATING DATA STATISTICS A. Dresden Unit 2 Operating Data Report for February 2004 DOCKET NO. 050-237 DATE March 3, 2004 COMPLETED BY Joseph Reda TELEPHONE (815) 416-3081 OPERATING STATUS

1. REPORTING PERIOD: February 2004

2. CURRENTLY AUTHORIZED POWER LEVEL (MWth): 2,957 MAXIMUM DEPENDABLE CAPACITY (MWe NET): 850 (estimated)

DESIGN ELECTRICAL RATING (MWe Net): 867 Unit 2 Monthly Operating Statu 5 This Month Year to Date Cumulative

3. Reactor Critical- Hours 696 1,440 225,916

4. Hours Generator On-Line 696 1,440 217,348

5. Unit Reserve Shutdown - Hours 0 0 4

6. Net Electrical Energy Generated - MWHe 604,412 1,250,336 145,963,597 4

II. OPERATING DATA STATISTICS B. Dresden Unit 3 Operating Data Report for February 2004 DOCKET NO. 050-249 DATE March 3, 2004 COMPLETED BY Joseph Reda TELEPHONE (815) 416-3081 OPERATING STATUS I. REPORTING PERIOD: February 2004

2. CURRENTLY AUTHORIZED POWER LEVEL (MWth): 2,957 MAXIMUM DEPENDABLE CAPACITY (MWe NET): 850 (estimated)

DESIGN ELECTRICAL RATING (MWe Net): 867 Unit 3 Monthly perating Statu This Month Year to Date Cumulative

3. Reactor Critical - Hours 681 1,365 212,693

4. Hours Generator On-Line .654 1,325 204,607

5. Unit Reserve Shutdown - Hours 0 0 1

6. Net Electrical Energy Generated - MWHe 552,365 1,122,522 137,449,783 5

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III. UNIT SHUTDOWNS A. Unit 2 Shutdowns for February 2004 NO DATE TYPE DURATION REASON (2) METHOD OF CORRECTIVE ACTIONS/

(1) (HOURS) SHUTTING DOWN COMMENTS

. SREACTOR l (3)

None _ _ _ _ __ ___

B. Unit 3 Shutdowns for February 2004 NO DATE TYPE DURATION REASON (2) METHOD OF CORRECTIVE ACTIONS/

(l) (HOURS) SHUTTING DOWN COMMENTS REACTOR (3) 2 01/30/04 F 42 H 3 Reactor scram due to problems with (February (Inadequate the main turbine lube oil system from alone) Operator inadequate Operator procedural procedural guidance.

l _ guidance)

LEGEND:

(1) Type (2) Reason (3) Method F - Forced A. Equipment Failure (Explain) 1. Manual S - Scheduled B. Maintenance or Test 2. Manual Trip / Scram C. Refueling 3. Automatic Trip / Scram D. Regulatory Restriction 4. Continuation E. Operator Training & Licensing Exam 5. Other (Explain)

F. Administrative G. Operational Error (Explain)

11. Other (Explain)

IV. Challenges to Safety and Relief Valves Unit 2 None Unit 3 None 6