ML20115B073

Monthly Operating Repts for June 1996 for Bs

ML20115B073
Person / Time
Site:	Braidwood
Issue date:	06/30/1996
From:	Pershey C, Tulon T COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BW-96-0069, BW-96-69, NUDOCS 9607090222
Download: ML20115B073 (10)

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e liraidwood Generating Station Route a1,Ilox 81 litacc5 ille. IL 6040'%!9 Tri Hl5-4W2H01 July 1,19')6 BW/96-0069 United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555-0001

Subject:

Monthly Operating Report for June,1996 Braidwood Nuclear Power Station, Units I and 2 Facility Operating Licenses NPF-72 and NPF-77 NRC Docket Nos. 50-456 and 50-457 Ladies and Gentlemen:

In accordance with Technical Specification 6.9.1.8, enclosed you will find the Monthly Operating Report for Commonwealth Edison Company's (Comed's) Braidwood Nuclear Power Station, Units I and 2, covering the period June 1,1996 through June 30,1996.

Please address any comments or questions regarding this matter to Chris Pershey at (815) 458-2801, extension 2173.

Very truly yours, h]/ . . Tulon A

5tation Manager Braidwood Nuclear Station TJT/CP/md O.CORRESP2CSTECitBN96 0069 j Enclosures cc: H. J. Miller, Regional Administrator - Rill ,

R. R. Assa, Braidwood Project Manager - NRR )

C. J. Phillips, Senior Resident Inspector - Braidwood  !

J. L. Roman, IDNS Resident inspector - Braidwood Office of Nuclear Facility Safety - IDNS 9607090222 960630 '$ ' ,

PDR R

ADOCK 05000456-PDR

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A 1Jnicum Q mpany l l

t BRAIDWOOD NUCLEAR POWER STATION UNIT I 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. NPF-77 1

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A. OPERATINu DATA REPORT Docket No: 50 - 456 Unit: Braidwood 1 -

Date: 07/01/1996 Completed by: Chris Pershey  ;

Telephone: 815-458-2801 i OPERATING STATUS  !

1) Reporting Period: June 1996 k Gross Hours: 720

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) Powerlevel to which restricted (If Any): None i 4) Reasons for restrictions (If Any): None I

Ibis Mo. Yr to Date Cumulative

5) Report Period Hours: 720 i

4367 69440

6) Hours Reactor Critical: 720.0 3,923.1 54,901.0

7) RX Reserve Shutdown Hours: 0.0 0.0 0.0

8) Hours Generator on Line: 720.0 3,915.5 54,096.2

9) Unit Reserve Shutdown Hours: 0.0 0.0 0.0 10 Gross Thermal Energy (MWHt): 2,307,030 12,799,647 173,591,493 11 Gross Elect. Energy (MWH): 789,749 4,440,194 57,830,514 ,

12 Net Elect. Ener0y (MWH): 759,314 4,274,732 55,402,092 13 Reactor Service Factor: 100.0 89.8 79.1 14 Reactor Availability Factor: 100.0 a

89.8 79.1 15 Unit Service Factor: 100.0 89.7 77.9

, 16 Unit Availability Factor: 100.0

' 89.7 77.9 17 Unit Capacity Factor (MDC NET): 94.2 87.4

• 71.2 18 Unit Capacity Factor (DER NET): 94.2 87.4 i 71.2 19 Unit Forced Outage Rate: 0.0 10.3 7.9 20 Unit Forced Outage Hours: 0.0 451.5 4,666.0 21 Shutdown Schedule Over Next 6 Months: Mid-cycle outage - 10/01/1996 22 If Shutdown at End of Reporting Period, Estimated Date of Startup:

B. AVERAGE DAILY UNIT NET POWER LEVEL LOG Docket No: 50 - 456 Unit: Braidwood 1 Date: 07/01/1996 Completed by: Chris Pershey Telephone: 815-458-2801 MONTH: June 1996 Qay MWe-net Ray MWe-net

1) 1131

• 16) 1113

2) 1131

• 17) 1115 37 1130

• 18) 1118

4) 1131

• 1122

• 19)

5) 1131

• 20) 1118

6) 1120

• 21) 889

7) 1128

• 22) 654

8) 1132

• 23) 661

9) 1133

• 24) 681

10) 1133

• 25) 731

11) 1131

• 26) 1050

12) 1125

• 27) 1118

13) 1119 1113 28)

14) 1115

29) 1113

15) 1113 1114 30)

• Due to condenser efficiency

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G. UNIT SHUTDOWNS / REDUCTIONS Docket No.: 50-456 .

Unit: Braidwood 1 Date: 07/01/96 Completed by: Chris Pershey Telephone: 815-458-2801 REPORT PERIOD: June 1996 LER Cause & Corrective Action No2 Date Type Hours Reason Me;thod Number System Component to Prevent Recurrence 3 960621 F 114.8 A 5 N/A SD P Reduced load to shut down a Condensate Booster pump in response to an elevated inboard bearing temperature. A standby pump was unavailable. Repairs are in progress including a new bearing to restore materiel condition. The unit ramped to full power when the standby pump became available.

SUMMARY

Unit i entered the month of June 1996 with 100% capability and operated routinely until June 21st. The unit was forced to reduce load June 21st when a Condensate Booster pump was shutdown due to an overheating inboard bearing with no standby pump available.100% capability was restored June 26,1996 and continued through the remainder of the month.

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

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

- Unit: Braidwood 1 Date: 07/01/96 Completed by: John Lewis Telephone: 815-458-2801-Valves No. & Type Plant '

Date Actuated Actuation Condition Description of Event None l

<, - -.. ,,% _ ,__ ,4 .. . _ . . . _ . . . . _ ,_ .m~ _, - . - .._r-e - 3 _. .. a,_,. . . - . ms,.,, . _ , . . - . . . , - - . . . , . * - _ , . . . . ...~_-.4 . - - _ - - - . _ . _ . . . - . - c.-.-

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A. OPERATING DATA REPORT' Docket No: 50 - 457 Unit: Braidwood 2 Date: 07/01/1996 Completed by: Chris Pershey i

Telephone: 815-458-2801 OPERATING STATUS ~

1) ReportinD Period: June 1996 Gross Hours: 720

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

i This Mo. Yr to Date Cumulative

5) Report Period Hours:

720 4367 67522

6) Hours Reactor Critical: 720.0 2,950.7 56,372.1

7) RX Reserve Shutdown Hours:

0.0 0.0 0.0 a-

8) Hours Generator on Une: 720.0 2,933.0 55,959.1

9) Unit Reserve Shutdown Hours: 0.0 0.0 0.0 10 Gross Thermal Energy (MWHt): 2,440,428 9,422,572 180,204,841 11 Gross Elect. Energy (MWH): 827,300 3,227,122 59,132,909 12 Net Elect. Energy (MWH): 793,628 3,085,539

' 56,721,307 13 Reactor Service Factor: 100.0

• 67.6 83.5 14 Reactor Availability Factor: 100.0 67.6 83.5 15 Unit Service Factor: 100.0 67.2 82.9 16 Unit Availability Factor: 100.0 67.2 82.9 17 Unit Capacity Factor (MDC NET): 98.8 63.1 75.0 18 Unit Capacity Factor (DER NET): 98.8 63.1 75.0 19 Unit Forced Outage Rate: 0.0 0.0 5.0 20 Unit Forced Outage Hours:

0.0 0.0 2,947.6 21 Shutdown Schedule Over Next 6 Months:

22 If Shutdown at end of Reporting Period, Estimated Date of Startup:

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B. AVERAGE DAILY UNIT NET POWER LEVEL LOG Docket No: 50 - 457 Unit: Braidwood 2 Date: 07/01/1996 l

Completed by: Chris Pershey

• Telephone: 815-458-2801 '

MONTH: June 1996 Qay MWe-net Qay MWe-net I

1) 1125

• 1104 16) 2)' 1124 *

17) 1103 '

3) 1122 *

18) 1103

4) 1123 *

19) 1106

5) 1124 *

20) 1103

6) 1123 *

21) 1097

7) 1121 *

22) 1098

8) 1122 *

23) 1104

9) 1013

24) 1095

10) 1122 *

' 25) 1108

11) 1121 *

26) 1111

12) 1098

27) 1108

13) 1116

28) 1104

14) 1112

29) 1104

15) 1061

30) 1105

• Due to condenser efficiency

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C. UNIT SHUTDOWNS / REDUCTIONS Docket No.

50-457 Unit: Braidwood 2 Date: 07/03/96 Completed by: Chris Pershey REPORT PERIOD: June 1996 Telephone: 815-458-2801 Date Type LER N9L Hours Reason Cause & Corrective Action Method Number System Component None to Prevent Recurrence

SUMMARY

Unit 2 entered the month of June 1996 at 100% capability and operated routinely the entire month.

, TYPE REASON

! F - Forced A - Equipment Failure Maint or Test METHOD SYSTEM & COMPONENT S - Scheduled 1 - Manual B - Maint or Test C - Refueling 2 - Manual Scram Exhibit F & Instructions for D - Regulatory Restriction 3 - Auto Scram Preparation of Data Entry Sheet i

i 4 - Continued Licensee Event Report (LER) File E - Operator Training & Licensee Examination F - Administration 5 - Reduced Load

! (NUREG-0161).

G - Operator Error H - Other i

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_ _ _ _ _ _ _ _ _ _ _ . _ ____._ _ _ _ _ _ _ _ _ _ _ - - , _ . - . __,.m

. . - . . . . - . . ~ . - . . . . .-. .- .. ~ . .

e 46 D. SAFETY / RELIEF VALVE OPERATIONS Docket No.: 50 - 457 Unit: Braidwood 2 Date: 07/01/96 Completed by: John Lewis Telephone: 815-458-2801 ,

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

-. ... . - . _ . . - _ _ _ _ . - . _ . - . _ - .__ _ - __ - _ - . _ _ - _ _ - _ _ _