ML031410547

April 2003 Monthly Operating Report for Dresden Units 2 & 3

ML031410547
Person / Time
Site:	Dresden
Issue date:	05/15/2003
From:	Hovey R Exelon Generation Co, Exelon Nuclear
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
RHLTR: #03-0038
Download: ML031410547 (7)

Text

Exekm Exelon Generation Dresden Generating Station 6500 North Dresden Road Morris, IL 60450-9765 Tel 815-942-2920 www.exeloncorp.com Nuclear May 15, 2003 RHLTR: #03-0038 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 April 2003 In accordance with Technical Specifications, Section 5.6.4, "Monthly Operating Reports," we are submitting the April 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,

/AIl R. J. Hovey Site Vice President Dresden Nuclear Power Station Attachment cc:

Regional Administrator - NRC Region IlIl NRC Senior Resident Inspector - Dresden Nuclear Power Station

,-, Ca9`

ATTACHMENT DRESDEN NUCLEAR POWER STATION, UNITS 2 AND 3 IONTHLY OPERATING REPORT FOR APRIL 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 APRIL 2003 A.

UNIT 2 MONTHLY OPERATING EXPERIENCE

SUMMARY

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 SUMM\\IARY At the beginning of the reporting period, Unit 3 power ascension was progress.

Unit 3 was being returned to service following repairs to the crack on the IA inboard Main Steam Isolation Valve pneumatic accumulator, which was discussed during the last monthly operating period. Unit 3 achieved full power at approximately 0000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> on the morning of April 3, 2003.

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

3 I

II.

OPERATING DATA STATISTICS A. Dresden Unit 2 Operating Data Report for April 2003 DOCKET NO.

DATE COMPLETED BY TELEPHONE 050-237 May 05, 2003 Don Hamilton (815) 416-3585 OPERATING STATUS

1.

REPORTING PERIOD: April 2003

2.

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

DESIGN ELECTRICAL RATING (MWe Net): 867 Unit Two 1\\onthly Operating Status This Mlonth Year to Date Cumulative

3. Reactor Critical - Hours 719 2,879 219,277

4. Hours Generator On-Line 719 2,879 210,788

5. Unit Reserve Shutdown - Hours 0

0 4

6. Net Electrical Energy Generated - MWHe 624,230 1 2,471,365 140,481,518 4

II.

OPERATING DATA STATISTICS B. Dresden Unit 3 Operating Data Report for April 2003 DOCKET NO.

DATE COMPLETED BY TELEPHONE 050-249 May 05, 2003 Don Hamilton (815) 416-3585 OPERATING STATUS

1.

REPORTING PERIOD: April 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 Sta tus This Month Year to Date Cumulative

5. Reactor Critical - Hours 719 2,879 205,910

6. Hours Generator On-Line 719 2,852 197,928

9. Unit Reserve Shutdown - Hours 0

0 1

10. Net Electrical Energy Generated - MWHe 1 617,886 2,428,227 1 131,791,628 5

III. UNIT SHUTDOWNS A. Unit 2 Shutdowns for April 2003 NO

[DATE TYPE DURATION REASON (2) METHOD OF CORRECTIVE ACTIONS/

(l)

(HOURS)

SHUTTING DOWN COMMENTS REACTOR (3)

NOne.

B. Unit 3 Shutdowns for April 2003 NO DATE TYPE DURATION REASON (2)

METHOD OF CORRECTIVE ACTIONS/

( l )

(HOURS)

SHUTTING DOWN COMMENTS REACTOR (3) l None

=

=

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

LEGEND:

(1) Type:

(2) Reason (3) Method F -Forced A. Equipment Failure (Explain

1. 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)