Page 47 - AERB Bulletin English

Significant Events related to Unusual Occurrences in Radiation

Industrial Safety in Nuclear Facilities Facilities

During the year 5 significant events related to Few unusual occurrences were reported from
radiation facilities involving loss or theft of sources.
industrial safety were reported in nuclear facilities. The incidents were reviewed by safety review
Brief description of the events is given below: committees in AERB and appropriate enforcement
actions were taken against the respective
 A fatal accident took place at the temporary dyke institutions. Finding of incidents indicated the
area of KKNPP-3 to 6. The victim while doing the inadequate security arrangements for storage of
repair work on an excavator fell down from a disused sources and delay in disposal.
height of around 2.5 m. Loss of Radioactive Source from
Storage
 A fatal accident occurred at RAPP-7&8, while
shifting of a girder, it slipped from pipes &
 Two incidents of loss of nucleonic gauges
toppled, the victim caught in between the girder
60
and floor. containing Co and 137 Cs sources (Activity
range ~20 to 2300 MBq (0.56 to 6 2 mCi).
 A fatal accident occurred at GHAVP-1&2 main
The containers housing source were
plant area, where a dumper en-route hit the
victim. reported missing from the storage room.
After a search operation, one container was
 A fatal accident occurred at KGS-1 where a crane
recovered, whereas four sources could not
operator was found lying unconscious on the
crane access walkway platform. be recovered.
Loss of Radioactive Source during
 A fatal accident occurred at IREL, OSCOM, where
transport
a contract worker fell from top of tanker (3.3 m
height) which resulted in serious injuries on his
 An oil-well logging container housing 137 Cs
skull and face.
These accidents were investigated by source (A~80 GBq/2 Ci) got lost during
AERB and recommendations were made to transport. After search operation, source
prevent such recurrences. The analysis and container was recovered from a scrap
recommendations of these accidents were dealer in intact condition. Incident has been
forwarded to all DAE units for information reported in IAEA INES and Incident and
and lessons to be learnt. Trafficking Database (ITDB).
 A car carrying industrial radiography device
192
( Ir, 1.53 TBq (41.4 Ci) met with an accident
near Pune. Later on, the radiography device
was recovered from a scrap dealer in intact
condition.

Source Transport vehicle

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AERB BULLETIN 2019
AERB BULLETIN 2019