ML20029E461

Monthly Operating Repts for Apr 1994 for Braidwood Nuclear Generating Station

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 i

/ Route #1, Box 84

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'J Bracevi!Io, Illinois 60407 Telephono 815/458-2801 x

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

Station Manager Braidwood Station KLK/JL/dla

.i tachments t

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

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PDR ADOCK 05000456

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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

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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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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 Design Electrical Rating (MWe-gross):

1175 Design Electrical Rating (MWe-net):

1120 Max Dependable Capacity (MWe-gross):

1175 Max Dependable Capacity (MWe-net):

1120

3) Power level to which restricted (If Any):

None

4) Reasons for restrictions (If Any):

None This mo Yr to date Cumulative

5) Report Period IIours:

719.0 2,879.0 50,432.0

6) IIours Reactor Critical:

0.0 1,490.5 39,088.7 1

7) RX Reserve Shutdown Hours:

0.0 0.0 0.0

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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

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

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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 25) 14 10) 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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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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i 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 D - Regulatory Restriction 4 - Continued Licensee Event Report (LER) File g

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 t

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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 Generator During Surveillance Testmg.

94 - 006 04/29/94 Missed Technical Specification Surveillance due to Personnel Error and Programmatic Deficiencies.

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MONTilIX REPORT FOR BRAIDWOOD UNIT 2 A.

SUMMARY

OF OPERATING EXPERIENCE 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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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 10 21) 8 6) 10 22) 8 7) 10 23) 8 8) 10 24) 9 9) 10) 10 25) 13 11) 10 26) 14 i

10 27) 14 12) 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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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).

7 E - Operator Training & Licensee 5

Examination 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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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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