OSHA Accident Investigation · Summary #14547566
FRACTURE,OUTRIGGER,BOOM,WORK RULES,LACERATION,PELVIS,AERIAL LIFT,FOOT,LEG,UNSTABLE POSITION
Event description
AERIAL BASKET FELL OVER WITH EMPLOYEES INSIDE
Investigation abstract
EMPLOYEES #1 AND #2 WERE DESCENDING TO THE FLOOR, ABOUT 40 FEET BELOW, IN A JLG LVIC AREA. EMPLOYEE #2 SUFFERED BROKEN BONES AND LACERATIONS OF HIS LEFT LEG AND FOOT. LIFT BASKET. THE LIFT TRUCK (RUBBER TIRED) HAD ITS JACKS LOWERED, BUT THE OUTRIG GERS NOT EXTENDED. THE ROTATING MEMBER OF THE LIFT WAS ABOUT 50 DEGREES FROM THE CENTER OF THE TRUCK, WITH THE COUNTERWEIGHT AND ENGINE OUTSIDE THE JACKS AND WH EELS. WHEN EMPLOYEE #1 ROTATED THE BOOM, HE CAUSED THE CENTER OF GRAVITY TO SHIF T, BECAUSE THE BOOM WAS NO LONGER AT A STEEP ANGLE. WHEN THE BOOM WAS FULLY RETR ACTED, THE WEIGHT OF THE ROTATING MEMBER AND COUNTERWEIGHT PULLED THE BOOM OVER BACKWARDS. THE BASKET STRUCK THE RUG-COVERED CONCRETE FLOOR, CRUSHING THE TWO EM PLOYEES INSIDE. EMPLOYEE #1 SUFFERED FRACTUES AND LACERATIONS TO HIS LEGS AND PE
Victims (2)
-
#1 Hospitalized Age 31 M
- Nature of injury
- 12
- Part of body
- 16
- Event type
- 2
- Source
- 24
- Occupation code
- 999
- Human factor
- 10
- Environmental factor
- 13
- Task assigned
- 1
-
#2 Hospitalized Age 30 M
- Nature of injury
- 12
- Part of body
- 16
- Event type
- 2
- Source
- 24
- Occupation code
- 999
- Human factor
- 10
- Environmental factor
- 13
- Task assigned
- 1
Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.