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NPS_Watch Jun 26, 2019
#1
The Daily Dose - Exposing the nuclear power industry while the nuclear power industry exposes you.

There are/is 4 EN(s) today, 1 associated with power stations.

[ ]

NRC Event Notices for June 26, 2019 |
https://www.nrc.gov/reading-rm/doc-colle...626en.html

[ ]

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----------------- Power Reactor Event Notices
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----------- [ Current event for LA_Waterford_3 ]

20190625 | LA_Waterford_3 | CONTROL ROOM ENVELOPE INOPERABLE DUE TO BROAD RANGE GAS MONITORS BEING INOPERABLE | https://www.nrc.gov/reading-rm/doc-colle...ml#en54131

"On June 25, 2019, at 0428 CDT, the Waterford 3 shift operating crew declared the control room envelope inoperable
in accordance with Technical Specification (TS) 3.7.6.1 due to both Broad Range Gas Monitors being inoperable.

Operations entered TS 3.7.6.1 action b, which requires that with one or more control room emergency air filtration trains inoperabledue to inoperable control room envelope boundary in Modes 1, 2, 3, or 4, then:

1. Immediately initiate action to implement mitigating actions;
2. Within 24 hours, verify mitigating actions ensure control room envelope occupant exposures to radiological, chemical, and smoke hazards will not exceed limits; and
3. Within 90 days, restore the control room envelope boundary to operable status.

"Action b.1 was completed by placing the control room in isolate mode at time 0441 CDT.

This event is reportable pursuant to 10 CFR 50.72(b)(3)(v)(A) and 10 CFR 50.72(b)(3)(v)(D),
event or condition that could have prevented fulfillment of a safety function of structures
or systems that are needed to (A) shutdown the reactor and maintain it in shutdown condition
and (D) mitigate the consequences of an accident, due to the control room envelope being inoperable.

"The NRC Senior Resident Inspector has been notified."


----------- [ 2019 event history for LA_Waterford ]

20190517 | LA_Waterford_3 | Retract CONTROL ROOM ENVELOPE INOPERABLE DUE TO DOOR HANDLE DETACHING |
https://www.nrc.gov/reading-rm/doc-colle...ml#en53991

20190516 | LA_Waterford_3 | AUTOMATIC REACTOR TRIP DUE TO TURBINE TRIP |
https://www.nrc.gov/reading-rm/doc-colle...ml#en54068

20190411 | LA_Waterford_3 | CONTROL ROOM ENVELOPE INOPERABLE DUE TO DOOR HANDLE DETACHING |
https://www.nrc.gov/reading-rm/doc-colle...ml#en53991


20190323 | LA_Waterford_3 | 100 % power Completed RFO

20190317 | LA_Waterford_3 | Exit RFO ( 70 / 39 )

20190118 | LA_Waterford_3 | REACTOR COOLANT SYSTEM WELD DOES NOT MEET ACCEPTANCE CRITERIA |
https://www.nrc.gov/reading-rm/doc-colle...ml#en53837
[ RFOD_014; RX Mode: Refueling; Refueling ]

20190117 | LA_Waterford_3 | RELEVANT INDICATION OF DEGRADED CONDITION |
https://www.nrc.gov/reading-rm/doc-colle...ml#en53834
[ RFOD_013; RX Mode: Refueling; Refueling ]

20190105 | LA_Waterford_3 | Begin RFO ( 01 / 39 )



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----------- [ Current event for
----------- [ 2019 event history for
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----------- [ Current event for
----------- [ 2019 event history for
[ no previous ENs for this site in 2019 ]
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----------- [ Current event for
----------- [ 2019 event history for
[ no previous ENs for this site in 2019 ]
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------------[ PART 21 ] - These ENs are for issues that involve multiple site/reactor units
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------------Other reactor info from daily power tracking https://www.nrc.gov/reading-rm/doc-colle...atus/2019/
-----------------------------------------------------------------------------------------------------------------

[  ]

Region 1

MA_Pilgrim_1 @ 0 % - PERMANENT SHUTDOWN

NJ_Salem_1 @ 99 % down from 100 % Tuesday
[ no EN, unk reason for power drop ]


Region 2

NC_McGuire_1 @ 99 % down from 100 % Tuesday
[ no EN, unk reason for power drop ]

VA_North_Anna_2 @ 8 % down from 100 % Tuesday
[ no EN, unk reason for power drop ]


Region 3  

IL_Clinton_1 @ 98 % unch from 98 % 20190621
[ 98-99 % are this units normal thermal power range. ]


Region 4

AR_Arkansas_2 @ 0 % unch from 0 % since 20190527
 AUTOMATIC REACTOR TRIP DUE TO A REACTOR COOLANT PUMP TRIP ON GROUND FAULT |
 https://www.nrc.gov/reading-rm/doc-colle...ml#en54091

LA_Waterford_3 @ 95 % down from 100 % Tuesday
[ may be related to EN posted today ]


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[ There is/are currently 00 unit(s) with the RPV OPEN - ref the 2019 Spring Refueling Outage Schedule and Status ]

posted by Staup Knewkinus a Dane Gerous production. All human rights reserved.
 
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