BYRON 2004-0037, March 2004 Monthly Operating Report for Byron Units 1 & 2

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March 2004 Monthly Operating Report for Byron Units 1 & 2
ML041140319
Person / Time
Site: Byron  Constellation icon.png
Issue date: 04/15/2004
From: Hoots D
Exelon Generation Co, Exelon Nuclear
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
2.07.0200, BYRON 2004-0037
Download: ML041140319 (8)
v • d • e


Text

Exelon Generation Company, LLC www.exeloncorp.com Exek flnsM Nulealr Byron Station 4450 North German Church Road Byron, IL 61010-9794 April 15, 2004 LTR: BYRON 2004-0037 File: 2.07.0200 United States Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Byron Station, Units 1 and 2 Facility Operating License Nos. NPF-37 and NPF-66 NRC Docket Nos. STN 50-454 and STN 50-455

Subject:

Monthly Operating Report In accordance with Technical Specification 5.6.4, "Monthly Operating Reports," we are submitting the Monthly Operating Report for Byron Station, Units 1 and 2. This report covers the period March 1, 2004, through March 31, 2004.

If you have any questions regarding this report, please contact Mr. William Grundmann, Regulatory Assurance Manager, at (815) 406-2800.

Respectfully, David M. oots Plant Manager Byron Nuclear Generating Station DMH/dd/rah Attachment cc: Regional Administrator - NRC Region IlIl NRC Senior Resident Inspector- Byron Station

ATTACHMENT BYRON STATION, UNIT 1 AND UNIT 2 MONTHLY OPERATING REPORT EXELON GENERATION COMPANY, LLC FACILITY OPERATING LICENSE NOS. NPF-37 AND NPF-66 NRC DOCKET NOS. STN 50-454 AND STN 50-455

OPERATING DATA REPORT UNIT ONE DOCKET NO. 50-454 UNIT NAME Byron One DATE 04/15/04 COMPLETED BY D. Drawbauah TELEPHONE (815) 406-2813 REPORTING PERIOD: March. 2004 (Month/Year)

MONTH YEAR TO DATE CUMULATIVE

1. Design Electrical Rating (MWe-Net). 1,187 N/A N/A The nominal net electrical output of the unit specified by the utility and used for the purpose of plant design.
2. Maximum Dependable Capacity (MWe-Net). 1,163 N/A N/A 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.
3. Number of Hours the Reactor was Critical. 744.00 2,184.00 139,699.94 The total number of hours during the gross hours of the reporting period that the reactor was critical.
4. Number of Hours the Generator was On Line 744.00 2,184.00 138,653.70 (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.
5. Unit Reserve Shutdown Hours. 0 0 0 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.
6. Net Electrical Energy (MWH). 885,864 2,566,026 145,691,284 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 the reporting period, expressed in megawatt hours. Negative quantities should not be used.

UNIT SHUTDOWNS DOCKET NO. 50-454 UNIT NAME Byron One DATE 04/15/04 COMPLETED BY D. Drawbauah TELEPHONE (815) 406-2813 REPORTING PERIOD: March, 2004 NO. DATE TYPE DURATION REASON (1) METHOD OF CAUSE/CORRECTIVE ACTIONS F: FORCED (HOURS) SHUTTING

SCHEDULED DOWN (2) COMMENTS

SUMMARY

Unit One was online during the month of March.

(1) Reason (2) Method A - Equipment Failure (Explain) 1 - Manual B - Maintenance 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)

UNIQUE REPORTING REQUIREMENTS (UNIT ONE) for the month March, 2004

1. Safety/Relief valve operations for Unit One. This information is provided pursuant to the reporting requirements contained in Technical Specification 5.6.4, "Monthly Operating Report."

VALVES NO. & TYPE PLANT DESCRIPTION DATE ACTUATED ACTUATION CONDITION OF EVENT None

2. Licensee generated changes to Offsite Dose Calculation Manual.

None

3. Indications of failed fuel.

Unit One isotopic analyses indicate three potential failures. Fuel Reliability Indicator = 1.29E-02 pCi/cc.

4. Licensee Events Reports The following is a tabular summary of all Licensee Event Reports for Byron Station, Unit One, issued during the reporting period, March 1, 2004, through March 31, 2004. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10 CFR 50.73, "Licensee event report system."

Licensee Event ReDort Number Report Date Title of Occurrence 454-2003-003-01 03/31/04 Licensed Maximum Power Level Exceeded Due to Inaccuracies in Feedwater Ultrasonic Flow Measurements

OPERATING DATA REPORT UNIT TWO DOCKET NO. 50-455 UNIT NAME Byron Two DATE 04/15/04 COMPLETED BY D. Drawbauph TELEPHONE (815) 406-2813 REPORTING PERIOD: March, 2004 (Month/Year)

MONTH YEAR TO DATE CUMULATIVE

1. Design Electrical Rating (MWe-Net). 1,155 N/A N/A The nominal net electrical output of the unit specified by the utility and used for the purpose of plant design.
2. Maximum Dependable Capacity (MWe-Net). 1,131 N/A N/A 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.
3. Number of Hours the Reactor was Critical. 527.02 1967.02 131,959.00 The total number of hours during the gross hours of the reporting period that the reactor was critical.
4. Number of Hours the Generator was On Line 527.00 1,967.00 131,156.68 (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.
5. Unit Reserve Shutdown Hours. 0 0 0 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.
6. Net Electrical Energy (MWH). 600,059 2,268,908 138,099,212 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 the reporting period, expressed in megawatt hours. Negative quantities should not be used.

UNIT SHUTDOWNS DOCKET NO. 50-455 UNIT NAME Byron Two DATE 04/15/04 COMPLETED BY D. Drawbauqh TELEPHONE (815) 406-2813 REPORTING PERIOD March. 2004 NO. DATE TYPE DURATION REASON (1) METHOD OF CAUSE/CORRECTIVE ACTIONS F: FORCED (HOURS) SHUTTING S: SCHEDULED DOWN (2) COMMENTS 1 03/22/04 S 217.0 C 2 Refuel Outage B2R11

SUMMARY

Unit Two was shut down for a scheduled refuel outage on 03/22/04.

(1) Reason (2) Method A - Equipment Failure (Explain) 1 - Manual B - Maintenance 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)

. e UNIQUE REPORTING REQUIREMENTS (UNIT TWO) for the month of March, 2004

1. Safety/Relief valve operations for Unit Two. This information is provided pursuant to the reporting requirements contained in Technical Specification 5.6.4, "Monthly Operating Report."

VALVES NO. & TYPE PLANT DESCRIPTION DATE ACTUATED ACTUATION CONDITION OF EVENT None

2. Licensee generated changes to Offsite Dose Calculation Manual.

None

3. Indications of failed fuel.

None. Fuel Reliability Indicator = 1.08E-05 pCi/cc.

4. Licensee Events Reports The following is a tabular summary of all Licensee Event Reports for Byron Station, Unit Two, issued during the reporting period, March 1, 2004, through March 31, 2004. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10 CFR 50.73, "Licensee event report system."

Licensee Event Revort Number Report Date Title of Occurrence None

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