OSHA Accident Investigation · Summary #14394472

SIGNALMAN,CRANE BOOM,WORK RULES,OVERLOADED,CONSTRUCTION,CRUSHED,SKULL,STRUCK BY

1989-04-05T00:00:00

Event: SIGNALMAN,CRANE BOOM,WORK RULES,OVERLOADED,CONSTRUCTION,CRUSHED,SKULL,STRUCK BY
Linked inspection: No inspection record linked to this accident's victims.
Summary number: 14394472
Report ID: 625700

Event description

Employee killed when struck by boom of collapsing crane

Investigation abstract

Employee #1 was flagging the operator of an approximately 110,000 lb American cr awler crane, model 5299, that was being used to dismantle a bridge structure wit h a design load capacity of 15 tons. The crane moved into a new position on the bridge, and as it came to a stop the concrete slabs beneath the crane began to c ollapse. Employee #1 was attempting to escape when the 100 ft boom buckled, and he ran directly into its path. Employee #1's skull was crushed by the boom and h e was killed. The company had not done an engineering survey to determine whethe r the bridge structure was capable of supporting the weight of the crane.

Victim

#1 Fatality Age 48 M

Nature of injury
6

Part of body
13

Event type
1

Source
24

Occupation code
999

Human factor
1

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.