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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: 20
OCCUPATION: pipefitting, plumbing and related occupations
INDUSTRY:
natural gas processing plants
Industrial sector: mines, quarries and oil
ACCIDENT INFORMATION:
DATE OF ACCIDENT: Confidential
PLACE: LEGAL DESCRIPT AREA: Grande Prairie region
NATURE OF INJURY:
burn or scald (electric burns not electric shock)
TYPE OF ACCIDENT:
explosions
SOURCE OF INJURY:
coal and petroleum products
flame, fire, smoke
ACCIDENT DESCRIPTION:
Five workers were in the process of changing filters on an inlet
gas filter
separator. After isolating the separator by closing off inlet
gas lines and
opening lines to flare, a safety valve was opened on the separator
which
indicated pressure and liquid in the separator. A second attempt
to open it
indicated a negative pressure reading from within the separator.
The workers
started to remove the yoke which held the head on the separator
when unexpected
gas pressure from within the separator blew the head of the
separator open. An
explosion and fire followed, injuring all five workers. One
was fatally
injured.
INVESTIGATION:
DATE: 1981-06-16
UNSAFE ACT(S):
no unsafe act identified
UNSAFE CONDITION(S):
improperly guarded, unguarded
defective tools, equipment, materials or supplies
hazardous spatial layout or work area arrangement
improper ventilation
INDIRECT CAUSE(S):
worker's lack of experience or knowledge
unsafe job procedure
EMPLOYER ACTION(S):
eliminate unsafe conditions
eliminate unsafe procedure
provide instruction, training, supervision to workers
OHSO ACTION(S):
approval of new procedures, equipment, etc
OTHER'S ACTION(S):
no action
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