OSHA Accident Investigation · Summary #571760

ANCHOR,FRACTURE,HEAD,BOOM,CONSTRUCTION,STRUCK BY

1985-07-09T00:00:00

Event: ANCHOR,FRACTURE,HEAD,BOOM,CONSTRUCTION,STRUCK BY
Linked inspection: No inspection record linked to this accident's victims.
Summary number: 571760
Report ID: 521100

Event description

STRUCK IN THE HEAD BY HYDRAULIC BOOM

Investigation abstract

EMPLOYEE #1 WAS OPERATING A PIECE OF MACHINERY USED TO POUND FENCE POSTS INTO TH E GROUND ALONG THE EAST SIDE OF US HIGHWAY 51. THE MACHINE HAD A HYDRAULIC BOOM ANCHORED BY TWO SIDE POLES. ONE OF THE ANCHORS BROKE AT THE WELD LOCATED JUST AB OVE THE POINT OF ANCHOR (THE GROUND). THIS CAUSED THE BOOM TO SWING TO THE LEFT AND DOWNWARDS, STRIKING EMPLOYEE #1 IN THE BACK OF THE HEAD. HE SUFFERED MASSIVE INTERNAL HEAD INJURIES AND A SKULL FRACTURE, AND DIED INSTANTLY.

Victim

#1 Fatality Age 38 M

Nature of injury
6

Part of body
13

Event type
1

Source
24

Occupation code
999

Human factor
17

Environmental factor
6

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.