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- REPORT CHARACTERISTICS:
DONOR: Alberta Community and Occupational Health
Occupational Health and Safety Division
JURISDICTION: ALBERTA
REPORT TITLE: Fatality Investigation Data Base
INFORMATION ABOUT DECEASED:
NAME: Confidential SEX: Male AGE: 50
OCCUPATION: industrial/farm/construction machinery mechanics
and repairm
INDUSTRY:
electrical wiring
Industrial sector: construction
ACCIDENT INFORMATION:
DATE OF ACCIDENT: Confidential
PLACE: STETTLER AREA: Red Deer region
NATURE OF INJURY:
multiple or crushed chest
TYPE OF ACCIDENT:
struck by flying object (due to explosion)
SOURCE OF INJURY:
boilers, pressure vessels (incl. pressurized pipes, hoses)
ACCIDENT DESCRIPTION:
A worker was preparing to clean a 203.2mm pipeline which carried
solution gas.
The pig had been placed in the pig chamber and into the throat
of the 203.2mm
line. The chamber was then closed and the flare line was also
closed. The
chamber was pressured and the main line valve was opened. The
pig did not
move. The main line valve was then closed and the 25.4mm line
for pressuring
up the chamber was also closed. The 101.6mm line from the chamber
to flare was
opened to allow the chamber pressure to bleed to flare. When
the chamber had
completed bleeding, the worker proceeded to open the chamber
gate. A small
amount of gas escaped through the gate and dissipated. The deceased
worker
then stepped in front of the chamber and proceeded to finish
opening the gate.
At this time there was a loud bang and the pig flew out of the
chamber,
striking the worker in the lower right abdomen. The worker was
carried
approximately 7m by the force of the pig, striking against the
piping system
behind him.
INVESTIGATION:
DATE: 1984-12-06
UNSAFE ACT(S):
unsafe position/posture, inappropriate operational position
UNSAFE CONDITION(S):
defective tools, equipment, materials or supplies
hazardous spatial layout or work area arrangement
INDIRECT CAUSE(S):
unsafe job procedure
EMPLOYER ACTION(S):
eliminate unsafe conditions
eliminate unsafe procedure
provide instruction, training, supervision to workers
OHSO ACTION(S):
issue a requisition or order
approval of new procedures, equipment, etc
meeting with company representatives
OTHER'S ACTION(S):
no action
REGULATION(S): 00448083
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