ML20029E461

Monthly Operating Repts for Apr 1994 for Braidwood Nuclear Generating Station.W/940510 Ltr

ML20029E461
Person / Time
Site:	Braidwood
Issue date:	04/30/1994
From:	Kofron K, Stanczak P COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BW-94-0081, BW-94-81, NUDOCS 9405180344
Download: ML20029E461 (14)

Text

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7 ~~' x Commonw alth Edison

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) Braidwood Nuclear Power Station

/ Route #1, Box 84 (x 'J Bracevi!Io, Illinois 60407 n Telephono 815/458-2801 j

May 10,1994 BW/94-0081 Director Office of Resource Management U S. Nuclear Regulatory Commission Washington, D.C. 20555 l

Attn: Document Control Desk

Dear Sir:

Enclosed for your information is the Monthly Performance Report covering Braidwood Nuclear Generating Station for the period April I through April 30,1994.

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LD ~ l K. L. Kofron '

Station Manager Braidwood Station KLK/JL/dla

.i ttachments cc: J. B. Martin, NRC, Region 111 R. R. Assa, U.S.N.R.C.

I.D.N.S.

NRC Resident inspector, Bwd INPO Records Center D. L Farrar, Nucl. Reg. Service Mgr.

D. M. Saccomando, Nucl. Lic. Admin.

D. R. Eggett, Nucl. Eng. Dept.

K. Kaup, Site V.P., Bwd NFS, PWR Plant Support Results Eng. Grp , Systems Eng., Dwd Nucl. Group, Systems Eng., Bwd 1.D.N S. Resident inspector, Bwd J. M. Bunecicky, Westinghouse D. R. Scavers, A.N.I.

9405180344 940430 /

PDR ADOCK 05000456 / '

R PDR f

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BRAIDWOOD NUCLEAR POWER STATION UNIT I AND UNIT 2 MONTIILY PERFORMANCE REPORT Commonwealth Edison Company NRC DOCKET NO. 050-456, LICENSE NO. NPF-72 NRC DOCKET NO. 050-457, LICENSE NO. NPF-77

t I. MONTIILY REPORT FOR BRAIDWOOD UNIT I A.

SUMMARY

OF OPERATING EXPERIENCE Braidwood Unit i entered the month of April 1994 shutdown for refueling outage AIR 04.

.The outage continued through the end of the month.

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11. OPERATING DATA REPORT Docket No: 50 - 456 Unit: Braidwood 1 Date: 5/10/94 Completed by: Paul Stancrak Telephone: 815-458-2E01 OPERATING STATUS

1) Reporting Period: April 1994 Gross llours: 2.19

2) Currently Authorized Power Level (MWt): 3411 l Design Electrical Rating (MWe-gross): 1175 Design Electrical Rating (MWe-net): 1120 i Max Dependable Capacity (MWe-gross): 1175 _

Max Dependable Capacity (MWe-net): 1120 l

3) Power level to which restricted (If Any): None

4) Reasons for restrictions (If Any): None This mo Yr to date Cumulative l

5) Report Period IIours: 719.0 2,879.0 50,432.0 l

6) IIours Reactor Critical: 0.0 1,490.5 39,088.7 1

7) RX Reserve Shutdown Hours: 0.0 0.0 0.0 [

8) Ilours Generator on Line: 0.0 1,488.2 38,513.2 )

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9) Unit Reserve Shutdown llours: 0.0 0.0 0.0

10) Gross Thermal Energy (MWHt): 0.0 4,812,341.1 117,752,868.1

11) Gross Elect. Energy (MWII): 0.0 1,676,250.0 40,490,837.0 l

12) Net Elect. Energy (MWII): -8,151.0 1,604,459.0 38,747,276.0

13) Reactor Service Factor: 0.0 51.8 77.5

14) Reactor Availability Factor: 0.0 51.8 77.5

15) Unit Service Factor: 0.0 51.7 76.4

16) Unit Availability Factor: 0.0 51.7 76.4

17) Unit Capacity Factor (MDC NET): -1.0 49.8 68.6

18) Unit Capacity Factor (DER NET): -1.0 49.8 68.6

19) Unit Forced Outage Rate: 0.0 0.0 9.2

20) Unit Forced Outage llours: 0.0 0.0 3905.1

21) Shutdown Schedule Over Next 6 Months. Refuel 3/4/94

22) If Shutdown at End of Reporting Period, 5/13/94 Estimated Date of Startup

C. AVERAGE DAILY UNIT NET POWER LEVEL LOG Docket No: 50 - 456 Unit: Braidwood 1 Date: 5/10/94 Completed by: Paul Stanczak Telephone: 815-458-2801 MONTil: April 1994 Ilay MWe-net Day MWe-nej

1) - 13 16) -

11

2) - 13 17) -

11

3) - 13 18) -

11

4) - 13 19) -

8

5) -

12 20) -

8

6) - 10 21) - 8

7) - 10 22) -

8

8) - 10 23) -

9

9) - 10 24) - 9

10) - 10 25) -

14

11) - 10 26) -

15

12) - 10 27) - 15

13) - 10 28) - 15

14) - 10 29) -

15

15) - 10 30) -

15 1

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D. UNIT SIIUTDOWNS/ REDUCTIONS Docket No 456 Unit: Braidwood 1 Date: 5/10/94 Completed by: Paul Stanczak Telephone: 815-458-2801 ,

REPORT PERIOD: April 1994 LER Cause & Corrective Action

& Date Type Hours Reason Method Number Svstem Component to Prevent Recurrence 16 940401 S 719 C 1 REFUEL OUTAGE l

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TYPE REASON METHOD SYSTEM & COMPONENT F - Forced A - Equipment Failure Maint or Test 1 - Manual S - Scheduled B - Maint or Test 2 - Manual Scram Exhibit F & Instructions for C - Refueling 3 - Auto Scram Preparation of Data Entry Sheet g D - Regulatory Restriction 4 - Continued Licensee Event Report (LER) File E - Operator Training & Licensee 5 - Reduced Load . (NUREG-0161).

Examination F - Administration G - Oper Error H - Other

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. - E. SAFETY / RELIEF VALVE OPERATIONS Docket No.: 50 - 456

! Unit: Braidwood 1 .i Date: 5/10/94 Completed by: Paul Stanczak i Telephone: 815-458-2801 l

Valves No. & Type Plant Date Actuated Actuation Condition Description of Event None ,

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I F. LICENSEE EVENT REPORTS - UNIT I The following is a tabular summary of all Licensee Event Reports submitted during the ,

reporting period, April I through April 30,1994. This information is provided pursuant '

to the reportable occurrence reporting requirements as set forth in 10 CFR 50.73.

Licensee Event Beport Number Date Title of Occurrence 94 - 003 04/11/94 As Found Integrated Leak Rate Test Failures Due to Preservice Construction Deficiencies.

94 - 004 -04/08/94 Main Steam Safety Valves Declared Inoperable due to Calculational Inaccuracies with the Trevi-Test Method.

94 - 005 04/11/94 Inadvertent Start of the IB Diesel l Generator During Surveillance ,

Testmg.  !

94 - 006 04/29/94 Missed Technical Specification '

Surveillance due to Personnel Error I and Programmatic Deficiencies. )

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4 4 II. MONTilIX REPORT FOR BRAIDWOOD UNIT 2 A.

SUMMARY

OF OPERATING EXPERIENCE l

Braidwood Unit 2 entered the month of April 1994 at approximately 100% i capable. The Unit tripped on April 5 due to a fault in the 2E Main Power Transformer. The Unit remained shutdown through the end of the month.

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I H. OPEPATING DATA REPORT Docket No: 50 - 457 Unit: Braidwood 2 Date: 5/10/94 Completed by: Paul Stanczak Telephone: 815-458-2801 OPERATING STATUS

1) Reporting Period: April 1994 Gross llours: 719

2) Currently Authorized Power Level (MWt): 3411 Design Electrical Rating (MWe-gross): 1175 Design Electrical Rating (MWe-net): 1120 Max Dependable Capacity (MWe-gross): 1175 Max Dependable Capacity (MWe-net): 1120

.;) Power level to which restricted (If Any): Nong

4) Reasons for restrictions (if Any): Nong This mo Yr to date Cumulative

5) Report Penod IIours: 719.0 2,879.0 48,514.0 6)IIours Reactor Critical: 110.7 2,270.7 40,584.8

7) RX Reserve Shutdown IIours: 0.0 0.0 0.0 8)IIours Generator on Line: 110.7 2,270.7 40,257.0

9) Unit Reserve Shutdown Hours: 0.0 0.0 0.0

10) Gross Thermal Energy (MWIIt): 337,197.8 6,748,697.6 121,574,092.4

11) Gross Elect. Energy (MWII): 118,068.0 2,334,254.0 41,448,077.0

12) Net Elect. Energy (MWII): 109,280.0 2,257,812.0 39,724,395.0

13) Reactor Service Factor: 15.5 78.9 83.7

14) Reactor Availability Factor: 15.5 78.9 83.7

15) Unit Service Factor: 15.5 78.9 83.0

16) Unit Availability Factor: 15.5 78.9 83.0

17) Unit Capacity Factor (MDC NET): 13.6 70.0 73.1

18) Unit Capacity Factor (DER NET): 13.6 70.0 73.1

19) Unit Forced Outage Rate: 84.5 21.1 4.9

20) Unit Forced Outage Hours: 608.3 608.3 2054.3

21) Shutdown Schedule Over Next 6 Months. Refuci 9/94 22)If Shutdown at end of Reporting Period, 5/19/94 Estimated Date of Startup.

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C. AVERAGE DAILY UNIT NFT POWER LEVEL LOG Docket No: 50 - 457 Unit: Braidwood 2 Date: 5/10/94 Completed by: Paul Stanczak Telephone: 315-458-2801 MONTil: April 1994 Ila.y NWe-net p_ay h1We-net l) 959 16) -

10  ;

2) 955 17) -

10

3) 1055 18) -

10

4) 1145

• 19) - 7

5) 751 20) -

8

6) - 10 21) -

8

7) - 10 22) - 8

8) - 10 23) -

8

9) - 10 24) - 9

10) -

10 25) -

13

11) -

10 26) -

14 i

12) - 10 27) -

14

13) -

10 28) -

15

14) -

10 29) -

15

15) -

10 30) -

15 l

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• Due to Condenser efficiency.

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I D. UNIT SIIUTDOWNS!REDUCFIONS Docket Nor 50 - 457 Unit: Braidwood 2 Date: 5/10/94 i Completed by: Paul Stanczak l Telephone: 815-458-2801 l

REPORT PERIOD: April 1994 LER Cause & Corrective Action No. Date _Tvoe Ilours Reason Method Number System Component to Prevent Recurrence

-25 940405 F 611.3 A 3 94-003 EL XFMR 2E Main Power Transformer failed i

TYPE REASON METllOD SYSTEM & COMPONENT F - Forced A - Equipment Failure Maint or 1 - Manual S - Scheduled Test 2 - Manual Scram Exhibit F & Instructions for B - Maint or Test 3 - Auto Scram Preparation of Data Entry Sheet  :

C - Refueling 4 - Continued Licensee Event Report (LER) File D - Regulatory Restriction 5 - Reduced Load (NUREG-0161).

E - Operator Training & Licensee  ;

Examination 5 F - Administration G - Oper Error H - Other

E. SAFETY RELIEF VALVE OPERATIONS Docket No.: 50 - 457 Unit: Braidwood 2

' Date: 5/10/94 Completed by: Paul Stanczak Telephone: 815-458-2801 Valves No. & Type Plant Date . Actuated Actuation Condition Description of Event None 1

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_ _ _ - . _ _ - . _ _ _ _ - _ _ _ _ _ . _ _ _ - _ - _ - _ - _ _ - _ - _ - _ _ _ _ - - - - _ = - - - - _ _ _ _ _ _ _ _ _ . _ _ - _ _ _ _ _ _ _ _ _ _ . - - _ _ _ _ _ _ - - _ -

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F. LICENSEE EVENT REPOR'IS - UNIT 2 The following is a tabular summary of all Licensee Event Reports submitted during the reporting period, April 1 through April 30,1994. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10 CFR 50.73.

Licensee Event Report Number Ihtte.L Title of Occurrence _

94 - 002 04/29/94 Inadvertent Automatic Start of the 2A Auxiliary Feedwater Pump due to Procedural Deficiency.

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