SVPLTR 05-0022, April 2005 Monthly Operating Report for Dresden Nuclear Power Station, Units 2 and 3

April 2005 Monthly Operating Report for Dresden Nuclear Power Station, Units 2 and 3

ML051360050
Person / Time
Site:	Dresden
Issue date:	05/13/2005
From:	Bost D Exelon Generation Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
SVPLTR # 05-0022
Download: ML051360050 (7)

Text

May 13, 2005 SVPLTR # 05-0022 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Dresden Nuclear Power Station, Units 2 and 3 Renewed Facility Operating License Nos. DPR-19 and DPR-25 NRC Docket Nos. 50-237 and 50-249

Subject:

Monthly Operating Report for April 2005 In accordance with Technical Specifications, Section 5.6.4, Monthly Operating Reports, we are submitting the April 2005 Monthly Operating Report for Dresden Nuclear Power Station (DNPS), Units 2 and 3.

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

Respectfully, Original Signed By Danny G. Bost Site Vice President Dresden Nuclear Power Station Attachment cc: Regional Administrator - NRC Region III NRC Senior Resident Inspector - Dresden Nuclear Power Station

ATTACHMENT DRESDEN NUCLEAR POWER STATION, UNITS 2 AND 3 MONTHLY OPERATING REPORT FOR APRIL 2005 EXELON GENERATION COMPANY, LLC RENEWED FACILITY OPERATING LICENSE NOS. DPR-19 AND DPR-25 NRC DOCKET NOS. 50-237 AND 50-249 1

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 - 2005 A. UNIT 2 MONTHLY OPERATING EXPERIENCE

SUMMARY

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

B. UNIT 3 MONTHLY OPERATING EXPERIENCE

SUMMARY

On April 26, at approximately 0500 hours0.00579 days <br />0.139 hours <br />8.267196e-4 weeks <br />1.9025e-4 months <br />, the unit was manually shutdown to replace the 3B Reactor Recirculation #1 pump seal and various other maintenance activities. The unit returned online at approximately 1100 on April 30 and did not reach full power until the month of May.

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

3

II. OPERATING DATA STATISTICS A. Dresden Unit 2 Operating Data Report for April 2005 DOCKET NO. 050-237 DATE May 2, 2005 COMPLETED BY Joseph Reda TELEPHONE (815) 416-3081 OPERATING STATUS

1. REPORTING PERIOD: April 2005

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 Status This Year to Cumulative Month Date

3. Reactor Critical - Hours 719 2,813 234,548

4. Hours Generator On-Line 719 2,792 225,745

5. Unit Reserve Shutdown - Hours 0 0 4

6. Net Electrical Energy Generated -

MWHe 624,545 2,398,016 153,020,595 4

II. OPERATING DATA STATISTICS B. Dresden Unit 3 Operating Data Report for April 2005 DOCKET NO. 050-249 DATE May 2, 2005 COMPLETED BY Joseph Reda TELEPHONE (815) 416-3081 OPERATING STATUS

1. REPORTING PERIOD: April 2005

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

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

3. Reactor Critical - Hours 636 2,796 221,770

4. Hours Generator On-Line 617 2,777 213,603

5. Unit Reserve Shutdown - Hours 0 0 1

6. Net Electrical Energy Generated -

MWHe 528,420 2,404,775 145,168,981 5

III. UNIT SHUTDOWNS A. Unit 2 Shutdowns for April 2005 NO DATE TYPE DURATION REASON (2) METHOD OF CORRECTIVE ACTIONS/

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

None B. Unit 3 Shutdowns for April 2005 NO DATE TYPE DURATION REASON (2) METHOD OF CORRECTIVE ACTIONS/

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

D3M11 4/26/05 S 102 B 1 The unit was shutdown to replace the 3B Reactor Recirculation #1 pump seal.

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)

H. Other (Explain)

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