ML20083M998

Monthly Operating Repts for Apr 1995 for Braidwood Nuclear Generating Station

ML20083M998
Person / Time
Site:	Braidwood
Issue date:	04/30/1995
From:	Stanczak P, Tulon T COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BW-95-0058, BW-95-58, NUDOCS 9505220162
Download: ML20083M998 (10)

Text

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TelHlvi W 2801 May 4,1995 BW/95-0058 4

Director Office of Resource Management U.S. Nuclear Regulatory Commission Washington, D.C. 20555 Attention: Document Control Desk

Dear Sir:

Enclosed for your information is the Monthly Performance Report covering Braidwood Nuclear Generating Station for the period April 1 through April 30,1995.

. Tulon tation Manager Braidwood Nuclear Station TJT\\PS/dla o \\corresp\\zesteno. doc Attachment cc:

J. B. Martin, U.S.N.R.C., Region lli R. R. Assa, U.S.N.R.C.

l.D.N.S.

U.S.N.R.C. Resident inspector, Braidwood INPO Records Center D. L. Farrar, Nuclear Regional Service Mgr.

D. M. Saccomando, Nuclear Licensing Mgr.

D. R. Eggett, Nuclear Engineering Dept.

K. L. Kaup, Site Vice President, Braidwood NFS, PWR Plant Support P. L Habel, Unit 1 Operating Engineer J. P. Kuchenbecker, Unit 2 Operating Engineer Nuclear Group, Systems Engineering, Bwd.

l.D.N.S. Resident inspector, Braidwood J. M. Bunecicky, Westinghouse D. R. Seavers. A.N.I.

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I BRAIDWOOD NUCLEAR POWER STATION UNIT 1 AND UNIT 2

.i MONTHLY PERFORMANCE REPORT Comed 1

NRC DOCKET NO. 050-456, LICENSE NO. NPF - 72 NRC DOCKET NO. 050-457, LICENSE NO. NPT - 77 a

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A. OPERATING DATA REPORT Docket No: 50 - 456 Unit: Braidwood 1 Date: '05/04/1995 Completed by: Paul Stanczak Telephone: 815-458-2801-OPERATING STATUS

1) Reporting Period: April 1995 Gross Hours: 22Q

2) Currently Authorized Power Level (MWt):

34j.j.

Design Electrical Rating (MWe-gross):

j.jlg I

Design Electrical Rating (MWe-net):

jl2Q Max Dependable Capacity (MWe-gross):

fjl1 Max Dependable Capacity (MWe-net):

jl29

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

None

4) Reasons for restrictions (if Any):

nod 2 This Mo.

Yr to Date Cumulative

5) Report Period Hours:

_720.0 2,880.0 59,193.0

6) Hours Reactor Critical:

551.8 2,182.0 46,780.8

7) RX Reserve Shutdown Hours:

.0

.0

.0

8) Hours Generator on Line:

536.0 2,139.5 46,105.3

9) Unit Reserve Shutdown Hours:

.0

.0

.0

10) Gross Thermal Energy (MWHt):

1,598,986.1 6,916,810.2 145,955,094.0

11) Gross Elect. Energy (MWH):

551,718.0 2,400,606.0 48,904,428.0

12) Net Elect. Energy (MWH):

527,594.0 2,303,804.0 46,836,624.0

13) Reactor Service Factor:

76.6 75.8 79.0

14) Reactor Availability Factor:

76.6 75.8 79.0

15) Unit Service Factor:

74.4 74.3 77.9

16) Unit Availability Factor:

74.4 74.3 77.9

17) Unit Capacity Factor (MDC NET):

65.4 71.4 70.6

18) Unit Capacity Factor (DER NET):

65.4 71.4 70.6

19) Unit Forced Outage Rate:

25.6 7.9 8.4

20) Unit Forced Outage Hours:

184.0 184.0 4214.5

21) Shutdown Schedule Over Next 6 Months:

N/A 22)If Shutdown at End of Reporting Period, Estimated Date of Startup:

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AVERAGE DAILY UNIT NET POWER LEVEL LOG Docket No: 50 - 456 Unit: Braidwood 1 Date: 05/04/1995 Completed by: Paul Stanczak Telephone: 815-458-2801 MONTH: April 1995 Qay MWe-net Q_ay MWe-net a

1) 1132

• 16) 33 2) 1136

• 17) 274 3) 1135

• 18) 273 4) 1120

• 19) 274 5) 1134

• 20) 819 6) 1130

• 21) 1137

• 7) 1137

• 22) 1141

• 8) 1137

• 23) 1103

• 9) 137 24) 1137

• 10)

-14 25) 1139

• 11)

-14 26) 1138

• 12)

-14 27) it37

• 13)

-14 28) 1138

• 14)

-14 29) 1046 15)

-14 30) 1118

• Due to condenser efficiency i

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UNIT SHUTDOWNS / REDUCTIONS Docket No.: 50 - 456 Unit: Braidwood 1 Date: 05/04/95 Completed by: Paul Stanczak Telephone: 815-458-2801 REPORT PERIOD:

April 1995 LER Cause & Corrective Action h

Date Tvoe Hours Reason Method Number System Comoonent to Prevent Recurrence 25 950409 F

184 A

3 456-180-95-00400 IP instruction Unit tripped due to failure of Inverter Instrument inverterilPOSE.

Repairs were made and the Unit was retumed to normal operation.

SUMMARY

Unit 1 entered the month of April 1995 with 100% capability.

The Unit tripped off line April 9,1995, and was brought back on line April 16,1995.

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 E - Operator Training & Licensee Examination 5 - Reduced Load (NUREG-0161).

F - Administration G - Operator Error H - Other The Unit has operated routinely since.

D.

SAFETY /REUEF VALVE OPERATIONS

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Docket No.: 50 - 456 Unit: Braidwood 1 Date: 05/04/95 Completed by: Tom Cole Telephone: 815-454-2801 Valves No. & Type Planf Date Actuated Actuation Condition Descriotion of Event None

1 1

A. OPERATING DATA REPORT Docket No: 50 - 457 Unit: Braidwood 2 Date: 05/04/1995 Completed by: Paul Stanczak Telephone: 815-458-2801 OPERATING STATUS

1) Reporting Period: April 1995 Gross Hours: Z2Q

2) Currently Authorized Power Level (MWt):

3411 Design Electrical Rating (MWe-gross):

1115 Design Electrical Rating (MWe-net):

1129 Max Dependable Capacity (MWe-gross):

11Z5 Max Dependablo Capacity (MWe-net):

1L2Q

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

Nqne

4) Reasons for restrictions (If Any):

None This Mo.

Yr to Date Cumulative

5) Report Period Hours:

720.0 2,880.0 57,275.0 i

6) Hours Reactor Critical:

694.5 2,854.5 47,686.9 i

7) RX Reserve Shutdown Hours:

.0

.0

.0

8) Hours Generator on Line:

694.3 2,854.3 47,296.6

9) Unit Reserve Shutdown Hours:

.0

.0

.0

10) Gross Thermal Energy (MWHt):

2,257,488.5 9,582,662.1 148,866,313.3

11) Gross Elect. Energy (MWH):

806,752.0 3,331,718.0 49,351,507.0

12) Net Elect. Energy (MWH):

777,131.0 3,215,500.0 47,318,230.0

13) Reactor Service Factor:

96.5 99.1

'83.3

14) Reactor Availability Factor 96.5 99.1 83.3 j

15) Unit Service Factor:

96.4 99.1 82.6

16) Unit Availability Factor:

96.4 99.1 82.6

17) Unit Capacity Factor (MDC NET):

96.4 99.7 73.8

18) Unit Capacity Factor (DER NET):

96.4 99.7 73.8

19) Unit Forced Outage Rate:

3.6 0.9 5.6

]

20) Unit Forced Outage Hours:

25.8 25.8 2797.1

21) Shutdown Schedule Over Next 6 Months:

N/A

22) If Shutdown at end of Reporting Period, 5/5/95 Estimated Date of Startup:

y s

8. AVERAGE DAILY UNIT NET POWER LEVEL LOG Docket No: 50 -'457 Unit: Braidwood 2 Date: 05/04/1995 I

Completed by: Paul Stanczak Telephone: 815-458-2801 MONTH: April 1995 Day MWe-net Qay MWe-net a

1) 1132

• 16) 1121

• 2) 1132

• 17) 1130

• 3) 1133

• 18) 1128

• 4) 1104 19) 1129

• 5) 1136

• 20) 1133

• 6) 1134

• 21) 1132

• 7) 1132

• 22) 1133

• 8) 1130

• 23) 1132

• I 9) 1061 24) 1129

• 10) 1123

• 25) 1131

• 11) 1125

• 26) 1113

• 12) 1124

• 27) 1132

• 13) 1125

• 28) 1134

• 14) 1125

• 29) 957 15) 1078 30)

-15

• Due to condenser efficiency 1

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UNIT SHUTDOWNS / REDUCTIONS j I*

Docket No.:. 50 -457 Unit: Braidwood 2 -

Date: 05/04/95 Completed by: Paul Stanczak Telephone: 815-458-2801 REPORT PER;OD:

April 1995 LER Cause & Corrective Action l

h Date Type Hours Reason Method Number System Comoonent to Prevent Recurrence I

28 950429 F

25.75 1

1 457-200-94-00900 RC Valve Unit was forced to shutdown due to.

a leakin valve paciong on valve 2RC8003C. Repair is in progress.

1

• "SUMMART" Unit 2 entered the month of April 1995 with 100% capability.

The Unit operated routinely until being shutdown April 29,1995. Return to normal operation 12 scheduled for May 5,1995.

1 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 E - Operator Training & Licensee Examination 5 - Reduced Load

'(NUREG-0181).

F - Administration G - Operator Error H. - Other 4

The Unit has operated routinely since.

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D.

SAFETY / RELIEF VALVE OPERATIONS Docket No.: 50 -457-Unit: Braidwood 2 Date: 05/04/95 Completed by: Tom Cole Telephone: 815 458-2801 Valves No. & Type Plant Date Actuated Actuation Condition Description of Event None p

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