ML20236R153

Monthly Operating Repts for June 1998 for Byron Nuclear Power Station,Units 1 & 2

ML20236R153
Person / Time
Site:	Byron
Issue date:	06/30/1998
From:	Vogl J, Wozniak D COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BYRON-98-0205, BYRON-98-205, NUDOCS 9807210270
Download: ML20236R153 (8)

Text

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Commonwealth lxbwn Comp.in) l l* ,

11) run Generating Station

. 4150 North German Church Road II) ron,11. 6] 010 9'O i Tel H142 4 4-54 il July 10,1998 l

LTR: BYRON 98-0205 FILE: 2.7.200 i

U.S. Nuclear Regc!atory 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 l

Gentlemen: J Enclosed for your information is the Monthly Operating Report covering Byron Nuclear Power Station for the period June 1 through June 30,1998.

Sincerely,

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D. B. Wozniak .h ' /

i Station Manager i Byron Nuclear Power Station j

DBWlJVirp l cc: Regional Administrator Rlli  !

l Byron Project Manager - NRR J3 l l Senior Resident inspector Byron

! Office of Nuclear Safety -lDNS INPD Records Center B. Lewis, McGraw Hill Nuclear Publications Dept.

9807210270 900630 PDR ADOCK 05000454 R PDR (p:\9Bbyrttrs\980205.wpf l)

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BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISON COMPANY I

NRC DOCKET NO. 050-454 NRC DOCKET NO,050455 LICENSE NO. NPF 37 LICENSE NO. NPF-66  ;

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. '. OPERATING DATA REPORT UNIT ONE DOCKET NO. 050-454 UNIT NAME Byron One DATE 07/10/98 COMPLETED BY J. Voal TELEPHONE (815) 234-5441 x2282 REPORTING PERIOD June,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 Reacior Was Critical.

The total number of hours during the gross hours of the reporting period that the reactor was critical. 720 2,757.1 91,437.4

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. 720 2,728.9 90,557.4

5. Unit Reserve Shutdown Houa.

The total number of hours during the gross hours of the reporting period that the unit was rer.wved 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 i

the output terminals of the turbine-generator minus the normal station service loads during the gross hours of the reporting period, expressed in megawatt hours.

Negative quantities should not be used. 801,755 2,846,156 89,903,664

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

1. Safety / Relief valve operations for Unit One. This information 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 i

2. Licensee generated changes to ODCM. 1 None

3. Indications of failed fuel.

j No. Fuel Reliability Indicator: FRI = 2.84 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 reporting period, June 1,1998 through June 30,1998. l This information is provided firsuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence Licensee Event Report Number Date Title of Occurrence j 454: 98-015 06/18/98 Operator started fan while in LCOAR due to poor work pr::cticas.

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. . OPERATING DATA REPORT UNIT TWO DOCKET NO. 050-455 UNIT NAME Byron Two DATE 07/10/98 COMPLETED BY J. Voal TELEPHONE (815) 234-5441 x2282 REPORTING PERIOD June.1998 (Month / Year)

MONTH YEAR TO DATE CUMULATIVE

1. Design Elactrical 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 c',6ctrical output as measured at the output I terminals of the turbine-generator during the most  !

restrictive seasonal conditions minus the normal j 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. 720 3,454.7 83,352.4

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. 720 3,438.6 82,629.9

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 far 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 ioads during the gmss hours of the reporting period, expressed in megawatt hours.

Negative quantities should not be used. 807,671 3,617,500 82,012,362 l

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i UNIQUE REPORTING REQUIREMENTS (UNIT 2) for the month of June,1998

1. Safety / Relief valve operations for Unit Two. This information 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. l No. Fuel Reliability Indicator: FRI = 6.21 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 Two, occuning during the reporting period, June 1,1998 through June 30,1998.

I This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73. j Occurrence  !

Licensee Event Report Number Date 4;'e of Occurrence None' 1

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