ML032671160

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

ML032671160
Person / Time
Site:	Dresden
Issue date:	09/15/2003
From:	Hovey R Exelon Generation Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
RHLTR: #03-0063
Download: ML032671160 (7)

Text

Exe kbniM Exelon Generation www.exeloncorp.com Nuclear Dresden Generating Station 6500 North Dresden Road Morris, IL 60450-9765 Tel 815-942-2920 September 15, 2003 RHLTR: #03-0063 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 August 2003 In accordance with Technical Specifications, Section 5.6.4, "Monthly Operating Reports," we are submitting the August 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.

R. J.HHey Site ice President Dresden Nuclear Power Station Attachment cc: Regional Administrator - NRC Region IlIl NRC Senior Resident Inspector - Dresden Nuclear Power Station God~k

ATTACHMENT DRESDEN NUCLEAR POWER STATION, UNITS 2 AND 3 MONTHLY OPERATING REPORT FOR AUGUST 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 AUGUST 2003 A. UNIT 2 MONTHLY OPERATING EXPERIENCE

SUMMARY

On August 10, 2003, 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 87 percent electrical output to perform a control rod pattern adjustment. The Unit was returned to full power operation on August 10, 2003, at approximately 0900 hours0.0104 days <br />0.25 hours <br />0.00149 weeks <br />3.4245e-4 months <br />.

On August 24, 2003, at approximately 0200 hours0.00231 days <br />0.0556 hours <br />3.306878e-4 weeks <br />7.61e-5 months <br />, load was reduced to approximately 91 percent electrical output to perform turbine control valve testing. The Unit was returned to full power operation on August 24, 2003, at approximately 0700 hours0.0081 days <br />0.194 hours <br />0.00116 weeks <br />2.6635e-4 months <br />.

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

B. UNIT 3 MONTHLY OPERATING EXPERIENCE

SUMMARY

On August 16, 2003, at approximately 0200 hours0.00231 days <br />0.0556 hours <br />3.306878e-4 weeks <br />7.61e-5 months <br />, load was reduced to approximately 75 percent electrical output to perform a control rod pattern adjustment. The Unit was returned to full power operation on August 17, 2003, at approximately 0000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br />.

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

3

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

1. REPORTING PERIOD: August 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 5,831 222,229

4. Hours Generator On-Line 744 5,831 213,740

5. Unit Reserve Shutdown - Hours 0 0 4

6. Net Electrical Energy Generated - MWHe 1 645,220 4,946,700 142,956,853 4

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

1. REPORTING PERIOD: August 2003

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

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

5. Reactor Critical - Hours 744 5,701 208,732

6. Hours Generator On-Line 744 5,634 200,710

9. Unit Reserve Shutdown - Hours 0 0 1

10. Net Electrical Energy Generated - MWHe 646,777 4,809,092 134,172,493 5

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

l_____ l____{(I) (HOURS) SHUTTING DOWN COMMENTS None

_ _- _ _ _ ___ _ _ _ _ _ _ _ _- -REA CTO R (3)jI lNonel B. Unit 3 Shutdowns for August 2003 NO DATE TYPE DURATION REASON (2) METHOD OF CORRECTIVE ACTIONS/

(1) (HOURS) SHUTTING DOWN COMMENTS I j NNone - - - - REACTOR (3).

LEGEND:

(I) 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)

H. Other (Explain)

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