ML20238F447

Monthly Operating Rept for Aug 1987

ML20238F447
Person / Time
Site:	Braidwood
Issue date:	08/31/1987
From:	Fitzpatrick E, Peacock B COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
EEF-87-1320, NUDOCS 8709160161
Download: ML20238F447 (9)

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l BRAIDWOOD NUCLEAR POWER STATION UNIT 1 MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-456 LICENSE NO. NPF-72 8709160161 870831 ADOCK 050 6

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Monthly Report-for Braidwood Unit 1-p.l A...

.Summarv 'of Operatina Experience u

-The unit entered the month of August at'approximately 11%

turbine power. Thecunit was shutdown on August 9 due to a heater drain tank level-transient. The turbine was '

synchronized to the grid again on August.15. On August 16, the unit was shutdown due to a planned loss'of-offsite

. power test. Auxiliary feedwater pump suction problems caused the unit to remain shutdown'through the end of the' month.

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.' OPERATING DATA' REPORT-DOCKET NO.:

50-456 UNIT:

Braidwood 1 DATE:.09/10/87 COMPILED BY:

B. M. Peacock i

TELEPHONE:

(815)458-2801 ext. 2480 OPERATING STATUS 1.

' Reporting Period: August,1987

' Gross Hours:

744.0 2.

. Currently Authorized. Power Level (MHt):

3411

' Design Electrical Rating (MWe-gross):

1175 Design Electrical Rating (MHe-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 restriction (If Any):

None

~

THIS MONTH YR TO DATE CUMULATIVE 5.

Report period Hours:

744.0 1224.0 1224.0 6.

Hours Reactor Critical:

376.5 601.9 601.9 7.-

RX Reserve Shutdown Hours:

0.0 0.0 0.0 8.

Hours Generator on Line:

239.3 313.5 313.5 9.

Unit Reserve Shutdown Hours:

0.0 0.0 0.0 10.

Gross Thermal Energy (MHH):

212624 276710 276710 11.

Gross Elec. Energy (MHH):

45964 53149 53149 12.

Net Elec. Energy (MHH):

21976 21976

'21976 13.

Reactor Service Factor:

N/A N/A N/A 14.

Reactor Availability Factor:

N/A N/A_,

N/A 15.

Unit Service Factor:

N/A N/A

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16.

Unit Availability Factor:

N/A N/A N/A 17.

Unit Capacity Factor (MDC net):

N/A

-N/A N/A 18.

Unit Capacity Factor (DER net):

N/A N/A N/A 19.

Unit Forced Outage Rate:

N/A N/A N/A 20.

Unit Forced Outage Hours:

480.7 886.5

_B86.5 21.

Shutdowns Scheduled Over Next 6 Months:

October 4. 1987 - 6 week surveillance outage 22.

If Shutdown at End of Report Period, Estimated Date of Startup:

9/04/87 23.

Units in Test Status (Prior to Commercial Operation):

FORECAST ACHIEVED Initial Criticality 05/23/87 05/29/87 Initial Electricity 07/11/87 07/12/87 Commercial Operation 12/29/87 (4957z/90z) i

C.

AVERAGE DAILY UNIT NET POWER LEVEL LOG DOCKET NO.:

50-456 UNIT:

Braidwood i DATE:

09/10/87 COMPILED BY:

B. H. Peacock U

TELEPHONE:

(815)458-2801 ext. 2480 HONTH: August, 1987 1.

132 17.

0 2.

182 18.

0 3.

180 19.

0 4.

184 20.

0 5.

137 21.

0 6.

136 22.

0

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7.

169 23.

O 8.

186 24.

0 9.

144 25.

0 10.

0 26.

0 11.

0 27.

0 12.

0 28.

0 13.

0 29.

0 14.

0 30.

0 15.

27 31.

0 16.

70 INSTRUCTIONS On this form list the average daily unit power level in MWe-Net for each day in the reporting month.

Compute to the nearest whole megawatt.

These figures will be used to plot a graph for each reporting month.

Note that when maxinium dependable capacity is used for the net electrical rating of the unit there may be occasions when the daily average power level exceeds the 100% line (or the restricted power level line).

In such cases the average daily unit power output sheet should be footnoted to explain the apparent anomaly.

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LICENSEE EVENT REPORTS The following is a tabular summary of all Licensee Event Reports submitted during the reporting period, August 1 through August 31, 1987.

This information is provided pursuant to the reportable occurrence-reporting requirements as set forth in 10 CFR 50.73.

Licensee Event Reoort Report Number Daig Title of Occurrence

[

87-025-00 08/07/87 Hydrogen monitor surveillance 4

missed due to operational l

miscommunication.

87-038-00

.08/11/87 Engineered safety feature actuation of control room ventilation due to noise spike from train A radiation monitor OPR32J.

87-039-00 08/10/87 1B Diesel Generator load I

fluctuations due to intermittent failure of standard load sensor.

87-040-00 08/17/87 Failure to perform required normal and alternate offsite AC power availability surveillance during 1B Diesel Generator outage.

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'N;I Braidwood Nucit:r Powrr StLti:n '

. Commonwealth Edison '

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-( _._.; J Telephone 815/458-2801 Braceville, Illinois 60407-x EEF/87-1320

. September 10, 1987-Director,' Office of Resource Management o

United-States Nuclear Regulatory Commission Washington,' D.C.

20555 ATTN: Document Control Desk Gentlemen:

Enclosed for your information is the Monthly Performance Report covering Braidwood Nuclear Power Station for the period August 1 through August 31, 1987.

Very truly yours, b

E. E. Fitzpa rick Station Manager Braidwood Nuclear Power Station EEF/RCB/ jab (4957z)

Attachments t

cc:

A. B. Davis, NRC, Region III NRC Resident Inspector Braidwood j

Gary Wright Ill. Dept. of Nuclear Safety T. J. Maiman K. L. Graesser L. D. Butterfield Nuclear Fuel Services, PWR Plant Support L. Anastasia, Station Nuclear Engineering j

INP0 Records Center 1

Performance Monitoring Group, Tech Staff Braidwood Station Nuclear Group, Tech Staff Braidwood Station S. Sands - USNRC 1

P. L. Barnes g