ML20197C905

Monthly Operating Repts for Aug 1998 for Byron Nuclear Power Station,Units 1 & 2.With

ML20197C905
Person / Time
Site:	Byron
Issue date:	08/31/1998
From:	Vogl J, Wozniak D COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-98-0261, BYRON-98-261, NUDOCS 9809140286
Download: ML20197C905 (7)

Text

. Cannmonwralth 14!ison Company liyron (icnerating station 4 450 North (icrman Church Road i

11) ron.11. 6I010 9'9 i Tol H15 2 4 t S 611 September 9,1998 LTR: BYRON 98-0261 FILE: 2.7.200 U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 ATTENTION: Document Control Desk

SUBJECT:

Monthly Operating Report Byron Nuclear Power Station, Units 1 and 2 NRC Docket Numbers: 50: 454 and 455 Gent'emen:

. Enclosed for your information is the Monthly Operating Report covering Byron Nuclear Power Station for the period August 1 through August 31,1998.

Sincerely, D. B. Woznia Station Manager Byron Nuclear Power Station DBW/JV/cb cc: NRC Regional Administrator - Region 111 ,

NRC Senior Resident inspector - Byron Station g

83%,i 9809140286 980831 DR ADOCK 050004 4 (p: \ 98byrlt rs \ 900261.wpf -1 )

A tinicom Company

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BYRON NUCLEAR POWER STATION

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UNIT 1 AND UNIT 2 ,

4 MONTHLY PERFORMANCE REPORT i

i j COMMONWEALTH EDISON COMPANY 4

NRC DOCKET NO. 050-454 i NRC DOCKET NO. 050-455 LICENSE NO NPF-37 LICENSE NO. NPF-86 r

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OPERATING DATA REPORT UNIT ONE DOCKET NO. 050-454 UNIT NAME Byron One

! DATE 09/09/98 COMPLETED BY J. Voal TELEPHONE (815) 234-5441 x2282 i

t l REPORTING PERIOD Auaust,1998 ,

(Month / Year)  !

MONTH YEAR TO DATE CUMULATIVE I

1. Design Electrical Rating (MWe-Net).  !

The nominal net electrical output of the unit specified l

by the utility and used for the purpose of plant design. 1,120 N/A N/A

2. Maximum Dependable Capacity (MWe-Net).

The gross electrical output as measured at the output ,

terminals of the turbine-generator during the most J restrictive seasonal conditions minus the normal station service loads. 1,105 N/A N/A l

3. Number of Hours the Reactor Was Critical.

The total number of hours during the gross hours of the reporting period that the reactor was critical. 744 4,245.1 92,925.4

4. Number of Hours the Generator Was On Line.

(Also called Service Hours). The total number of hourt during the gross hours of the reporting period I that '.ne unit Operated with breakers closed to the l station bus. The sum of the hours the generator was l on line plus the total outage hours should equal the j gross hours in the reporting period. 744 4,216.9 92,045.4 ;

5. Unit Reserve Shutdown Hours.

The total number of hours during the gross hours of the reporting period that the unit was removed from  ;

service for economic or similar reasons but was available for operation. 0 0 38

6. Net Electrical Energy (MWH).

[ The gross electrical output of the unit measured at the l' output terminals of the turbine-generator minus the normal station service loads during the gross hours of the reporting period, expressed in megawatt hours.

j. Negative quantities should not be used. 824,264 4,504,694 91,562,202 (p \ 98r)yrltrs\900261.wpf-3)

UNIT SHUTDOWNS DOCKET NO. 050-454 UNIT NAME. Byron One DATE 09/09/98-COMPLETED BY J. Voal TELEPHONE (8151234-5441 x2282 REPORTING PERIOD: Auaust.1998 (Month / Year)

NO. DATE TYPE DURATION REASON METHOD OF CAUSE/ CORRECTIVE ACTIONS F: FORCED (HOURS) (1) SHUTTING S: SCHEDULED DOWN (2) COMMENTS

SUMMARY

Unit One Ran Steady During the Month of August (1) Reason (2) Method A - Equipment Failure (Explain) 1 - Manual B - Maintenance or Test 2 - Manual Trip / Scram C - Refueling 3 - Automatic Trip / Scram D - Regulatory Restriction 4 - Continuation E - Operator Training / License Examination 5 - Other (Explain)

F - Administrative G - Operational Error (Explain)

H - Other (Explain)

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UNIQUE REPORTING REQUIREMENTS (UNIT.1) for the month of August,1998

1. Safety /Rel;ef valve operations for Unit One. This ir.,~ormation is provided pursuant to the reporting requirements contained in Technical Specification 6.9.1.8.

VALVES NO & TYPE PLANT DESCRIPTION '

'DATE ACTUATED ACTUATION CONDITION OF EVENT None

2. Licensee generated changes to ODCM.

None

3. Indications of failed fuel.

No. Fuel Reliability Indicator: FRI = 2.64 E-5 pCi/cc

4. Licensee Event Reports The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit One, occurring during the repordng period, August 1,1998 through August 31,

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

Occurrence Licensee Event Report Number Date Title of Occurrence 454: 98-017 08/04/98 Line 0621 Trip and Subsequently, Loss of Unit i SATs Causing Loss of Offsite Power l

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OPERATING DATA REPORT UNIT TWO DOCKET NO. 050-455 UNIT NAME Byron Two DATE 09/09/98 COMPLETED BY J. Voal TELEPHONE (815) 234-5441 x2282 REPORTING PERIOD Aunust,1998 (Month / Year)

MONTH YEAR TO DATE CUMULATIVE 1.- Design Electrical Rating (MWe-Net).

The nominal net electrical output of the unit specified by the utility and used for the purpose of plant design. 1,120 N/A N/A

2. Maximum Dependable Capacity (MWe-Net).

The gross electrical output as measured at the output terminals of the turbine-generator during the most restrictive seasonal conditions minus the normal station service loads. 1,105 N/A N/A

3. Number of Hours the Reactor Was Critical.

The total number of hours during the gross hours of the reporting period that the reactor was critical. 744 4,942.7 84,840.4

4. - Number of Hours the Generator Was On Line.

(Also called Service Hours). The total number of hours during the gross hours of the reporting period that the unit operated with breakers closed to the station bus. The sum of the hours the generator was on line plus the total outage hours should equal the gross hours in the reporting period. 744 4,926.6 84,117.9

5. Unit Reserve Shutdown Hours.

The total number of hours during the gross hours of the reporting period that the unit waa removed from service for economic or similar reasons but was available for operation. 0 0 0

6. Net Electrical Energy (MWH).

The gross electrical output of the unit measured at the output terminals of the turbine-generator minus the normal station service loads during the gross hours of i the reporting period, expressed in megawatt hours.

Negative quantities should not be used. 826,674 5,275,312 83,670,174 (ps\98byrltrs\980261.wpf-6) .

UNIT SHUTDOWNS ,,

DOCKET NO. 050-455 UNIT NAME. Byron Two DATE. 09/09/98-COMPLETED BY J. Voal TELEPHONE (815)234-5441 x2282 REPORTING PERIOD: August. 1998 (Month / Year)

NO. DATE TYPE DURATION REASON METHOD OF CAUSE/ CORRECTIVE ACTIONS F: FORCED (HOURS) (1) SHUTTING S: SCHEDULED DOWN (2) COMMENTS

SUMMARY

Unit Two Ran Steady During the Month of August.

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(1) Reason (2) Method A - Equipment Failure (Explain) 1 - Manual B - Maintenance or Test 2 - Manual Trip / Scram C - Refueling 3 - Automatic Trip / Scram D - Regulatory Restriction 4 - Continuation E - Operator Training / License Examination 5 - Other (Explain)

F - Administrative G - Operational Error (Explain)

H - Other (Explain)

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