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NPS_Watch Apr 29, 2019
#1
The Daily Dose - Exposing the nuclear power industry while the nuclear power industry exposes you.

There are 5 EN(s) today, 1 associated with power stations.

[  NRC posted late again, several units in region 3 showing power drops w/o any EN. ]  

NRC Event Notices for April 29, 2019 |
https://www.nrc.gov/reading-rm/doc-colle...429en.html

[  ]

--------------------------------------------------------------------------------------------------------------------------
----------------- Power Reactor Event Notices
--------------------------------------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------------------------------------------------------------
----------- [ Current event for LA_RiverBend_1 ]

20190426 | LA_RiverBend_1 | THROUGH WALL LEAK ON STANDBY LIQUID CONTROL SYSTEM PIPING |
https://www.nrc.gov/reading-rm/doc-colle...ml#en54031 |
RFOD_028; RX Mode: Refueling; Refueling

"At 1147 [CDT] on 4/26/19,
a through wall leak (reported as 1 drop every 1 to 2 minutes)
[ This type of leak is commonly due to rust though. ]

was identified and confirmed by operation and NDE [Non-Destructive Examination] personnel
on the Standby Liquid Control injection line during pressure testing activities.

The line is 1.5 inch in diameter and classified as an ASME Section Ill, Class 1 line.

The leak is currently isolated from the reactor vessel by a danger tagged manual valve."

The licensee notified the NRC Resident Inspector.


----------- [ 2019 event history for LA_RiverBend ]

20190330 | LA_RiverBend_1 Begin RFO ( 01 / 34 )


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--------------------------------------------------------------------------------------------------------------------------
----------- [ Current event for
----------- [ 2019 event history for
----------------------------------------------------------------------------------------------------------------------------------------------------

----------- [ Current event for
----------- [ 2019 event history for
----------------------------------------------------------------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------------------------------------------------------------
----------- [ Current event for
----------- [ 2019 event history for
[ no previous ENs for this site in 2019 ]
----------------------------------------------------------------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------------------------------------------------------------
------------[ PART 21 ] - These ENs are for issues that involve multiple site/reactor units
----------------------------------------------------------------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------------------------------------------------------------
------------Other reactor info from daily power tracking https://www.nrc.gov/reading-rm/doc-colle...atus/2019/
-----------------------------------------------------------------------------------------------------------------

[  ]

Region 1
 
PA_Beaver_Valley_1 @ 98 % up from 82 % Sunday; 82 % Saturday
[ no EN, unk reason for power drop. ]

PA_Limerick_2 @ 0 % [ RPV OPEN ( 15 / 20 ) 20190415 ]

CT_Millstone_2 @ 36 % unch from 36 % Sunday; 32 % Saturday
[ no EN, unk reason for power drop. ]

CT_Millstone_3 @ 0 % [ RPV OPEN ( 18 / 33 ) RFO plan start 20190418 ]

NY_Nine_Mile_Point_1 @ 60 % up from 45 % Sunday; 23 % aturday
[ Exit RFO ( 26 / 21 ) ] 2nd restart; failed restart; missed planned restart date

MA_Pilgrim_1 @ 100 % [ as of today there are only 32 operating days left. ]
[ coastdown to permanent closure ? ]

NJ_Salem_1 @ 0 % [ RPV OPEN ( 17 / 28 ) ] started early

PA_Susquehanna_2 @ 100 % [ Completed RFO ( 29 / 35 ) 20190323 ]


Region 2

AL_Browns_Ferry_2 @ 87 % unch from 87 % Sunday 87 % Saturday
[ Exit RFO ( 39 / 25 ) ] missed planned restart date ]

NC_Brunswick_1 @ 100 % up from 94 % Sunday; 8 % Saturday recovered from  
 AUTOMATIC REACTOR TRIP AND SPECIFIED SYSTEM ACTUATION |
 https://www.nrc.gov/reading-rm/doc-colle...ml#en54016

NC_Brunswick_2 @ 100 % [ Completed RFO ( 28 / 28 ) ] 1st restart failed
 [ recovered from ]
 MANUAL REACTOR SCRAM AND SPECIFIED SYSTEM ACTUATION |
 https://www.nrc.gov/reading-rm/doc-colle...ml#en53966

AL_Farley_2 @ 0 % [ RPV OPEN ( 22 / 28 ) 20190405 ]

NC_McGuire_1 @ 14 % down from 15 % Sunday; 14 % Saturday
[ Exit RFO ( 25 / 31 ) 20190323 ]

FL_Saint_Lucie_1 @ 0 % down from 100 % Thursday
 AUTOMATIC REACTOR TRIP DUE TO TURBINE GENERATOR TRIP |
 https://www.nrc.gov/reading-rm/doc-colle...ml#en54027

TN_Watts_Bar_2 @ 0 % [ RPV OPEN ( 14 / 26 ) 20190413 ]


Region 3

IL_Braidwood_1 @ 90 % down from 100 % Sunday; 100 % Saturday
[ no EN, unk reason for power drop. ]

IL_Braidwood_2 @ 88 % down from 100 % Sunday; 100 % Saturday
[ no EN, unk reason for power drop. ]

IL_Byron_1 @ 92 % down from 100 % Sunday; 100 % Saturday
[ no EN, unk reason for power drop. ]

IL_Byron_2 @ 100 % up from 98 % Sunday; 95 % Saturday
[ Completed RFO ( 16 / 18 ) 20190408 ]

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

MI_DC_Cook_1 @ 0 % [ RPV OPEN ( 55 / 30 ) 20190306  ]

IA_Duane_Arnold_1 @ 100 % unch from 100 % Sunday; 98 % Saturday
[ recovered from ]
 BOTH REACTOR FEED PUMPS TRIP CAUSING MANUAL REACTOR SCRAM AND ECCS INJECTION |
 https://www.nrc.gov/reading-rm/doc-colle...ml#en54012

IL_La_Salle_2 @ 87 % down from 100 % Sunday; 100 % Saturday
[ no EN, unk reason for power drop. ]

MN_Monticello_1 @ 0 %  [ RPV OPEN ( 16 / 30 ) 20190413 ]

OH_Perry_1 @ 100 % up from 99 % sunday; 100 % Saturday
[ no EN, unk reason for power drop. ]

MN_Prairie_Island_1 @ 40 % unch from 40 % sunday; 100 % Saturday
[ no EN, unk reason for power drop. ]

IL_Quad_Cities_1 @ 100 % up from 89 % Sunday; 100 % Saturday
[ no EN, unk reason for power drop. ]

IL_Quad_Cities_2 @ 89 % down from 100 % Sunday; 100 % Saturday
[ no EN, unk reason for power drop. ]


Region 4

MO_Callaway_1 @ 0 % [ RPV OPEN ( 28 / 42 ) 20190401; no coastdown 24hr SD

WA_Columbia_2 @ 96 % [ coastdown to RFO 20190515 ]

TX_ComanchePeak_1 @ 0 % [ RPV OPEN ( 08 / 40 ) | 20190407 ] missed planned start date ]

AZ_PaloVerde_1 @ 0 % [ RPV OPEN ( 24 / 30 )

LA_RiverBend_1 @ 0 % [ RPV OPEN ( 31 / 34 ]

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[ There is/are currently 11 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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