ML020590465

December 2001 Monthly Operating Report for Limerick Generating Station, Units 1 & 2

ML020590465
Person / Time
Site:	Limerick
Issue date:	01/08/2002
From:	Braun R Exelon Nuclear
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML020590465 (7)

Text

Exelon.

Exelon Nuclear www.exeloncoTp.coM Nuclear Limerick Generating Station P.O. Box 2300 Sanatoga, PA 19464 T.S.6.9.1.6 January 8, 2002 Docket Nos. 50-352 50-353 License Nos. NPF-39 NPF-85 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555

Subject:

Limerick Generating Station Monthly Operating Report For Units 1 and 2 Enclosed are the monthly operating reports for Limerick Units 1 and 2 for the month of December 2001 forwarded pursuant to Technical Specification 6.9.1.6.

Very truly yours, Robert C. Braun Plant Manager gjl Enclosures cc:

H. J. Miller, Administrator, Region I, USNRC A. L. Burritt, LGS USNRC Senior Resident Inspector W. Levis, LGS Vice President C. H. Mudrick, LGS Director-Site Engineering, SSB3-1 S. T. Gamble, LGS Experience Assessment Branch, SSB2-4 P. R. Driehaus, Jr., SMB-2-5 61

Docket No. 50-352 Attachment to Monthly Operating Report for December 2001 Limerick Generating Station Unit 1 December 1 through December 31, 2001 Narrative Summary of Operatinq Experiences Unit 1 began the month of December 2001 at 100% of rated thermal power (RTP).

Throughout the month, unless specified below, when the unit operated at less than 1"O% RTP, it was due to end-of-cycle operation required to maintain margin to thermal limits.

On December 7th at 2210 hours0.0256 days <br />0.614 hours <br />0.00365 weeks <br />8.40905e-4 months <br />, reactor power was reduced to 63% RTP for quarterly MSIV and Turbine valve testing, leak repair on the 1 D waterbox, and replacement of the DC solenoid on MSIV HV-041-1F028C. On December 9 th at 0217 hours0.00251 days <br />0.0603 hours <br />3.587963e-4 weeks <br />8.25685e-5 months <br />, reactor power was restored to 100% RTP.

On December 2 61h at 1119 hours0.013 days <br />0.311 hours <br />0.00185 weeks <br />4.257795e-4 months <br />, reactor power was reduced to 94% RTP to remove the 6A feedwater heater from service. On December 2 6th at 1255 hours0.0145 days <br />0.349 hours <br />0.00208 weeks <br />4.775275e-4 months <br />, reactor power was restored to 100% RTP.

Unit 1 ended the month of December 2001 at 99% RTP.

11.

Challenges to Main Steam Safety Relief Valves There were no challenges to the Main Steam Safety Relief Valves during the month of December. There have been no challenges to the Main Steam Safety Relief Valves on Unit 1 year-to-date.

OPERATING DATA REPORT DOCKET NO. 50-352 DATE JANUARY 8, 2002 COMPLETED BY EXELON CORPORATION G. J. LEE REPORTS ENGINEER SITE ENGINEER I, G LIMERICK GENEI! 'TING STATION TELEPHONE (610) 718-3707 OPERATING STATUS

1. UNIT NAME:LIE CKU T1 1 NTNM 2. R E P O R T IN G P E R IO D :......................

D E C E M B ER.......................................

2001.......................D E.C. M... R.2.O..

1143

3. DESIGN ELECTRI CAL RATI G R..............................

4. M A X IM U M D EPE N DA BLE C A PA C ITY (G R O SS M W E):.........................................

........................................... 11.83.

5. MAXIMUM DEPENDABLE CAPACITY (NET MWE):

1143 THIS MONTH YR-TO-DATE CUMULATIVE

6. NUMBER OF HOURS REACTOR WAS CRITICAL 744.0 8,742.6 121,555.2

7. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

8. HOURS GENERATOR ON-LINE 744.0 8,735.9 119,664.1

9. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

10. NET ELECTRICAL ENERGY GENERATED (MWH) 865,414 10,133,099 122,481,999

UNIT SHUTDOWNS AND SIGNIFICANT LOAD REDUCTIONS REPORT MONTH DECEMBER 2001 DOCKET NO.

50-352 UNIT LIMERICK UNIT 1 DATE JANUARY 8, 200?

COMPLETED BY EXELON CORPI ZATION G. J. LEE REPORTS ENGINEER SITE ENGINEERING LIMERICK GENERATING STATION TELEPHONE (610) 718-3707 GENERATOR OFF LINE TYPE DURATION REASON METHOD OF SHUTTING NO.

DATE (1)

(HOURS)

(2)

DOWN REACTOR (3)

CAUSE AND CORRECTIVE ACTION TO PREVENT RECURRENCE (2)

Reason A -- Equipment Failure B -- Maintenance or Test C - Refueling D - Regulatory Restriction E -- Operational Training & License Examination F -- Administrative G -- Operational Error (Explain)

H - Other (Explain)

(3)

Method 1 - Manual 2 - Manual Scram 3 -- Automatic Scram 4 - Other (Explain)

(1)

Type F-- Forced S -- Scheduled

Docket No. 50-353 Attachment to Monthly Operating Report for December 2000 Limerick Generating Station Unit 2 December 1 through December 31, 2000 Narrative Summary of Operating Experiences Unit 2 began the month of December 2000 at 100% of rated thermal power (RTP).

There were no power changes this month on Unit 2.

Unit 2 ended the month of December 2000 at 100% of RTP.

Challenges to Main Steam Safety Relief Valves There were no challenges to the Main Steam Safety Relief Valves during the month of December. There have been no challenges to the Main Steam Safety Relief Valves year-to-date.

OPERATING DATA REPORT DOCKET NO. 50-353 DATE JANUARY 8, 2002 COMPLETED BY EXELON CORPORATION G. J. LEE REPORTS ENGINEER SITE ENGINEERI( 3 LIMERICKGEr'El TING STATION TELEPHONE (610)718-3707 E

OPERATING STATUS 1. U N IT N A M E :...........................................................................

.L.M..E..R f....K _.U

.N..[T...2.

2. REPORTING PERIOD:...............................

DECEMBER.2.00.

3. DESIGN ELECTRICAL RATING:

4.

MXIMM DPENABLECAPCIT (GOSS1183 4..MAXIMUM DEPENDABLE.CA T................YG...................................................................

1143 5..MA X IM U M...PE N D A B L.CA P A C ITY...ET..WE)

........ I.......... I........................................

THIS MONTH YR-TO-DATE CUMULATIVE

6. NUMBER OF HOURS REACTOR WAS CRITICAL 744.0 8,300.3 97,433.0

7. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

8. HOURS GENERATOR ON-LINE 744.0 8,231.1 95,762.9

9. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

10. NET ELECTRICAL ENERGY GENERATED (MWH) 877,229 9,243,354 101,624,724 f

UNIT SHUTDOWNS AND SIGNIFICANT LOAD REDUCTIONS REPORT MONTH DECEMBER 2001 DOCKET NO. 50-353 UNIT LIMERICK UNIT 2 DATE JANUARY 8, 2002 COMPLETED BY EXELON CORP( 'ATION G. J. LEE REPORTS ENGk zER SITE ENGINEERING LIMERICK GENERATING STATION TELEPHONE (610) 718-3707 GENERATOR OFF LINE TYPE DURATION REASON METHOD OF SHUTTING NO.

DATE (1)

(HOURS)

(2)

DOWN REACTOR (3)

CAUSE AND CORRECTIVE ACTION TO PREVENT RECURRENCE (2)

Reason A -- Equipment Failure B -- Maintenance or Test C - Refueling D -- Regulatory Restriction E -- Operational Training & License Examination F -- Administrative G -- Operational Error (Explain)

H -- Other (Explain)

(3)

Method 1 -- Manual 2 - Manual Scram 3 - Automatic Scram 4 - Other (Explain)

(1)

Type F -- Forced S -- Scheduled