ML20237B484

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

ML20237B484
Person / Time
Site:	Byron
Issue date:	07/31/1998
From:	Vogl J COMMONWEALTH EDISON CO.
To:
Shared Package
ML20237B483	List: ML20237B480 ML20237B484
References
NUDOCS 9808180324
Download: ML20237B484 (7)

Text

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I BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT l

COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-454

NRC DOCKET NO. 050-455 LICENSE NO. NPF-37 LICENSE NO. NPF-66

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OPERATING DATA REPORT UNIT ONE l

DOCKET NO. 050-454 UNIT NAME Byron One DATE 08/10/98 COMPLETED BY J. Voal TELEPHONE (815) 234 5441 x2282 REPORTING PERIOD July,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 3.501.1 92,181.4

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 b

station bus. The sum of the hours the generator was .

. on line plus the totai outage hours should equal the gross hours in the reporting period. 744 3,472.9 91,301.4

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 ,r similar reasons but was available for operatioi. 0 0 38

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 j the reporting period, expressed in megawatt hours.  ;

Negative quantities should not be used. 830,386 3,680,430 90,737,938 (p \98byrltrs\980233.wpf-3)

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UNIQUE REPORTING REQUIREMENTS (UNIT 1)

,, for the month of July,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 l

None l

2. Licensee generated changes to ODCM. l None 1

3. Indications of failed fuel. )

l No. Fuel Reliability Indicator: FRI = 2.88 E-5 Ci/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, July 1,1998 through July 31,1998.  !

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

Occurrence Licensee Event ReDort Number Date Title of Occurrence 454: 98-016 07/07/98 Main Control Ro'om Pressure Non-Compliance Due To inadequate Procedure.

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OPERATING DATA REPORT UNIT TWO i

,. DOCKET NO. 050-455 I UNIT NAME Byron Two DATE 08/10/98 COMPLETED BY J. Voal -

TELEPHONE (815) 234-5441 x2282 REPORTING PERIOD July,1998 (Month / Year) l 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 4,198.7 84,096.4 l

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 l 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 4,182.6 83,373.9

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 for operation. 0 0 0

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 l

the reporting period, expressed in megawatt hours.

Negativo quantities should not be used. 831,044 4,448,639 82,843,501 l

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UNIQUE REPORTING REQUIREMENTS (UNIT 2)

,, .. for the month of July,1998 L 1. Safety / Relief valve operations for Unit Two. This information is provided pursuant to the l reporting requirements contained in Technical Specification 6.9.1.8.

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VALVES NO & TYPE PLANT DESCRIPTION i

DATE ACTUATED ACTUATION CONDITION OF EVENT I None

2. Licensee generated changes to ODCM.

None l

3. Indications of failed fuel j No. Fuel Reliability Indicator: FRI = 6.39 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, occurring during the reporting period, July 1,1998 through July 31,1998.

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 None i

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