OSHA Accident Investigation · Summary #14339717

HEAD,COLLAPSE,PIN,UNSECURED,BLOCKS,CRANE BOOM,WORK RULES,CONSTRUCTION,NECK,STRUCK BY

1985-06-04T00:00:00

Event: HEAD,COLLAPSE,PIN,UNSECURED,BLOCKS,CRANE BOOM,WORK RULES,CONSTRUCTION,NECK,STRUCK BY
Linked inspection: No inspection record linked to this accident's victims.
Summary number: 14339717
Report ID: 453710

Event description

Employee killed when crushed by crane boom

Investigation abstract

Employee #1 had been assigned to attach a 20 ft boom section to a 40 ft boom on a 3 ton mobile truck crane. He was 3 ft under the boom, removing the hinge pins that connected the boom sections. When he had removed both bottom pins, the boom rotated at the two top hinge pins and collapsed, striking him in the head and l ower back of the neck. Employee #1 did not respond to emergency treatment and di ed. Blocks to secure the boom had not been provided.

Victim

#1 Fatality Age 46 M

Nature of injury
21

Part of body
13

Event type
1

Source
27

Occupation code
869

Human factor
1

Environmental factor
6

Task assigned
2

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.