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NPS_Watch Apr 06, 2018
#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 Event Notices for April 06, 2018         
https://www.nrc.gov/reading-rm/doc-colle...406en.html

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


----------- [ Current event for MS_GrandGulf_1 @ 100 % RX Mode: Power Op ]

SECONDARY CONTAINMENT HATCH LEFT OPEN

"On Thursday, April 5, 2018, at approximately 1117 hours Central Daylight Time,
Entergy contract personnel opened the personnel hatch allowing access to the roof of the Secondary Containment Building for the purposes of performing an inspection of various items located on the roof.

"During the time period the individuals were on the roof, the hatch was left open.
An individual was adjacent to the door with a radio and had constant communication link with the control room operator.

"Pursuant 10 CFR 50.72(b)(3)(v)©, and 10 CFR 50.72(b)(3)(v)(D) this event is being reported as an event or condition that could have prevented the fulfillment of a safety function.

"Because the site had an individual briefed and at the door in constant communications with the control room to close the hatch if condition required such an action, this event is not viewed as an actual loss of safety function."

The NRC Resident Inspector was notified.

--------------

[ ref the previous EN. They are trying to figure out what caused that event. ]

----------- [ 2018 event history for MS_GrandGulf_1 ]

20180331 | SECONDARY CONTAINMENT INOPERABLE DUE TO FAILED SURVEILLANCE TEST |
https://www.nrc.gov/reading-rm/doc-colle...ml#en53304

20180218 | EMERGENCY DIESEL GENERATORS INOPERABLE |
https://www.nrc.gov/reading-rm/doc-colle...ml#en53227

20180210 | BOTH INNER AND OUTER CONTAINMENT AIRLOCK DOORS INOPERABLE AT THE SAME TIME |
https://www.nrc.gov/reading-rm/doc-colle...ml#en53201

20180130 | MANUAL REACTOR SCRAM DUE TO MAIN TURBINE LOAD OSCILLATIONS |
https://www.nrc.gov/reading-rm/doc-colle...ml#en53188

20180116 | retract MANUAL REACTOR SCRAM DURING STARTUP |
https://www.nrc.gov/reading-rm/doc-colle...ml#en53090

-----------------------------------------------------------------------------------------------------------------
----------------- Other reactor info from daily power tracking

Region 1

MA_Pilgrim_1 is still shutdown, 31st day. [ 413 days to permanent SD ]



Region 2

AL_Browns_Ferry_3 @ 20 % recovering from shutdown while Restarting, No EN. used 45 of typ 43 days for RFO.

NC_Brunswick_1 @ 92 % up from 40 % restarting after RFO used ( 32 of typ 28 )

AL_Farley_1 @ 48 % holding from yesterday, restarting from 6 day shutdown. No EN.

GA_Hatch_2 @ 99 % up from 85 %, No EN.

TN_Sequoyah_1 coastdown

TN_Watts_Bar_1 @ 92 %, no EN.


Region 3

IL_Quad_Cities_1 @ 87 %

IL_Quad_Cities_2 RFO day 19 of typ 17, sb restarting


Region 4

AZ_PaloVerde_1 @ 40 %, no EN. unk reasn for drop.


[ There are currently 7 units with the RPV open - ref the Current ReFueling Outage Schedule and Status ]


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