ML030590241

January 2003 Monthly Operating Report for Dresden, Units 2 & 3

ML030590241
Person / Time
Site:	Dresden
Issue date:	02/14/2003
From:	Hovey R Exelon Generation Co, Exelon Nuclear
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
RHLTR:#03-0014
Download: ML030590241 (7)

Text

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Exelon Generation www exeloncorp corn Nuclear Dresden Generating Station 6500 North Dresden Road Morns, IL60450-9765 Tel 815-942-2920 February 14, 2003 RHLTR: #03-0014 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 January 2003 In accordance with Technical Specifications, Section 5.6.4, "Monthly Operating Reports," we are submitting the January 2003 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, R. J. Hovey Site Vice President Dresden Nuclear Power Station Attachment cc: Regional Administrator - NRC Region III NRC Senior Resident Inspector - Dresden Nuclear Power Station (4

ATTACHMENT DRESDEN NUCLEAR POWER STATION, UNITS 2 AND 3 MONTHLY OPERATING REPORT FOR JANUARY 2003 EXELON GENERATION COMPANY, LLC FACILITY OPERATING LICENSE NOS. DPR-19 AND DPR-25 NRC DOCKET NOS. 50-237 AND 50-249 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 JANUARY 2003 A. UNIT 2 MONTHLY OPERATING EXPERIENCE

SUMMARY

On January 10, 2003, power was reduced to approximately 60 percent to perform maintenance on the scram solenoid pilot valves of the control rod drive system.-,

The unit was returned to full power on January 13, 2003.

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

B. UNIT 3 MONTHLY OPERATING EXPERIENCE

SUMMARY

On January 17, 2003, power was reduced to approximately 60 percent to perform power suppression testing to locate a leaking fuel rod within the reactor core. The test results were used to determine the general vicinity of the leaking assembly.

The unit was returned to full power on January 20, 2003.

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

3

II. OPERATING DATA STATISTICS A. Dresden Unit 2 Operating Data Report for January 2003 DOCKET NO. 050-237 DATE February 03, 2003 COMPLETED BY Don Hamilton TELEPHONE (815) 416-3585 OPERATING STATUS

1. REPORTING PERIOD: January 2003

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

DESIGN ELECTRICAL RATING (MWe Net): 867 Unit Two Monthly Operating Status This Month Year to Date Cumulative

3. Reactor Critical - Hours 744 744 217,142

4. Hours Generator On-Line 744 744 208,653

5. Unit Reserve Shutdown - Hours 0 0 4

6. Net Electrical Energy Generated - MWHe 618,953 618,953 138,629,106 4

II. OPERATING DATA STATISTICS B. Dresden Unit 3 Operating Data Report for January 2003 DOCKET NO. 050-249 DATE February 03, 2003 COMPLETED BY Don Hamilton TELEPHONE (815) 416-3585 OPERATING STATUS I. REPORTING PERIOD: January 2003

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

DESIGN ELECTRICAL RATING (MWe Net): 867 Unit Three Monthly Operating Status This Month Year to Date Cumulative

5. Reactor Critical - Hours 744 744 203,775

6. Hours Generator On-Line 744 744 195,820

9. Unit Reserve Shutdown - Hours 0 0 1

10. Net Electrical Energy Generated - MWHe 627,507 627,507 129,990,908 5

III. UNIT SHUTDOWNS A. Unit 2 Shutdowns for January 2003 NO DATE TYPE DURATION REASON (2) METHOD OF CORRECTIVE ACTIONS/

(1) (HOURS) SHUTTING DOWN COMMENTS REACTOR (3)

None B. Unit 3 Shutdowns for January 2003 NO DATE TYPE DURATION REASON (2) METHOD OF CORRECTIVE ACTIONS/

(1) (HOURS) SHUTTING DOWN COMMENTS REACTOR (3)

None LEGEND:

(1) Type: (2) Reason (3) Method F - Forced A Equipment Failure (Explain I Manual S - Scheduled B Maintenance or Test 2 Manual Scram C. Refueling 3 Automatic Scram D Regulatory Restriction 4 Other (Explain)

E. Operator Training & Licensing Exam 5. Load Reduction F. Administrative G. Operational Error H. Other (Explain)

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