Revised MOR for Aug 1998 for Byron Nuclear Power Station. Rept Now Includes Page 9 Which Was Omitted from Previously Issued Rept| ML20151Z965 |
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Byron  |
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| Issue date: |
08/31/1998 |
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| From: |
Vogl J
COMMONWEALTH EDISON CO. |
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| ML20151Z953 |
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| NUDOCS 9809220182 |
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[Table view] |
Text
. - - - , . .. .. -
.. ..- . . .. ..-..~. .. - -.- . - . _ .
BYRON NUCLEAR POWER STATION UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT COMMONWEALTH EDISON COMPANY NRC DOCKET NO. 050-454 NRC DOCKET NO. 050-455 LICENSE NO. NPF-37 LICENSE NO. NPF-66 i
l 9909220192 990915 i PDR ADOCK 05000454 l
R PDR ;;,
(pt\98byrltrs\980265.wpf-3) i .
- _ ~ - - . - - . -.
l OPERATING DATA REPORT UNIT ONE
. . 1 DOCKET NO. 050-454 l l UNIT NAME Byron One l DATE 09/09/98 i
COMPLETED BY J.Voal
- j. TELEPHONE (815) 234-5441 x2282 l
t REPORTING PERIOD August,1998 l (Month / Year) l MONTH YEAR TO DATE CUMULATIVE l
' 1. Design Electrical Rating (MWe-Net).
The nominal net electrical output of the unit specified g - by the utility and used for the purpose of plant design. 1.420 N/A N/A
- 2. Maximum Dependable Capacity (MWe-Net).
l 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 critcal. 744 4,245.1 92,925.4 l 4. Number of Hours the Generator Was On Line.
(Also called Service Hours). The total number of l 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 4,216.9 92,045.4 l 5. Unit Reserve Shutdown Hours.
l The total number of hours during the gross hours of i the reportng period that the unit was removed from l
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 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. 824,264 4,504,694 91,562,202 j- _p( \90byrltrs\980265.wpf-4)
. UNIT SHUTDOWNS DOCKET NO. 050 454 -
, UNIT NAME. Byron One - j DATE. -09/09/98 COMPLETED BY ~J. Vool TELEPHONE (8151234-5441 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 ,
I i
4 I
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 l C - Refueling 3 - Automatic Trip / Scram
- D - Regulatory Resiriction 4 - Continuation .
E - Operator Training / License Examination 5 - Other (Explain)
F - Administrative G - Operational Error (Explain)
H - Other (Explain) i (p: \ 98byrlt rs\ 950265.wpf-5) i i
.. . . _ _ . _ _ _ - . _ - _ ~ _ _ . - - _. .
[-
1 . , ,
. l
- l. UNIQUE REPORTING REQUIREMENTS (UNIT 1)
. for the month of August,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
' 2. Licensee generated changes to ODCM.
l None !
- 3. - Indications of failed fuel.
No. Fuel Reliability Indicator: FRI = 2.64 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, August 1,1998 through August 31, j l 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 454: 98-017 08/04/98 Line 0621 Trip and Subsequently, Loss of Unit i SATs Causing Loss of Offsite Power l
r
.(p t \ 96byrl trs \ 900265.wp f-6)
~
I OPERATING DATA REPORT UNIT TWO l
. . DOCKET NO. 050-455 UNIT NAME Byron Two DATE 09/09/98 COMPLETED BY J. Voal TELEPHONE (815) 234-5441 x2282 REPORTING PERIOD Auaust,19F (Month / Year) i 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 roactor 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 was removed from service for economic or similar reasons but was available for cperation. 0 0 0
- 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 j the reporting period, expressed in megawatt hours.
- Negative quantities should not be used. 826,674 5,275,312 83,670,174 I
(pr\98byrltrs\980265.wpf-7)
T
' UNIT SHUTDOWNS 1 DOCKET NO. 050 4 55 UNIT NAME. Byron Two DATE 09/09/98 COMPLETED BY J. Voal TELEPHONE (8151234-5441 x2282 REPORTING PERIOD: August. 1998 (Month / Year) .
NO. DATE i TYPE DURATION REASON METHOD OF CAUSE/CORRLCTIVE ACTIONS
- S E LED DOW 2 COMMENTS
SUMMARY
- Unit Two Ran Steady During the Month of August. '
i (1) Reason (2) Method A - Equipment Failure (Explain) 1 - Manual B - Maintenance or Test 2 - Manual Trip / Scram C - Refueling 3 - Automatic Trip / Scram l D - Regulatory Restriction 4 - Continuation E - Operator Training / License Examination 5 - Other (Explain)
F - Administrative !
G - Operational Error (Explain) :
H - Other (Explain) ,
I
+
(p:\99byrltrs\980265.wpf-8)
UNIQUE REPORTING REQUIREMENTS (UNIT 2)
, , for the month of August,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.
No. Fuel Reliability Indicator: FRI = 6.41 E-5 pCl/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, August 1,1998 through August 31, 1998. Th:s information is provided pursuant to the reportatla occurrence reporting requirements as set forth in 10CFR 50.73.
Occurrence Licensee Event Report Number Date Title of Occurrence 455: 98-007 08/21/98 Inadvertent Actuation of ESF Signal to Containment Spray
.alves Due 5 Operator Error I
i (pt\90byrltrs\990265.wpf-9)
- - - - - -