3 Nuclear plant scrams

greenspun.com : LUSENET : Grassroots Information Coordination Center (GICC) : One Thread

BROWNS FERRY 3 0% 04/15/00 Hot Shutdown 1 scram
AUTOMATIC REACTOR SCRAM FROM 70%
POWER ON LOW REACTOR VESSEL WATER
LEVEL (RVWL) DUE TO LOSS OF A
FEEDWATER PUMP - BOTH RECIRC
PUMPS ALSO TRIPPED ON LOW RVWL
RESULTING IN ACTUATION OF HPCI
AND RCIC (REFER TO EVENT #36892)
- ENTERING REFUELING OUTAGE EARLY

BRAIDWOOD 2 0% 04/15/00 Hot Standby 2 scrams
AUTOMATIC NEGATIVE FLUX RATE TRIP
FROM 100% DUE TO A DROPPED ROD ON
04/15/00 (REFER TO EVENT #36893)
- MANUAL REACTOR TRIP DUE TO A
DIFFERENCE BETWEEN SHUTDOWN BANK
'B' GROUP DEMAND AND DIGITAL ROD
POSITION INDICATION FOR ROD G-13
(REFER TO EVENT #36895)

-- spider (spider0@usa.net), April 17, 2000


Moderation questions? read the FAQ