OSHA Accident Investigation · Summary #14499040

DISMANTLING,BLOCKS,CRANE BOOM,WORK RULES,CRAWLER CRANE,CONSTRUCTION,STRUCK BY,FALLING OBJECT,UNSTABLE POSITION

1988-08-19T00:00:00

Event: DISMANTLING,BLOCKS,CRANE BOOM,WORK RULES,CRAWLER CRANE,CONSTRUCTION,STRUCK BY,FALLING OBJECT,UNSTABLE POSITION
Linked inspection: No inspection record linked to this accident's victims.
Summary number: 14499040
Report ID: 626600

Event description

Employee struck and killed by falling boom

Investigation abstract

Employee #1 was disassembling the boom of a Link Belt crawler crane, model LS-10 8B, serial #9LG5554. He lowered the boom, leaving its peak 3 to 4 feet off the g round without blocking or cribbing. While there was tension on the main pendants , Employee #1 disconnected the bottom pins of a joint or section that was behind the joint to which the main pendants were connected. The boom sections rotated on the top pins and the boom fell. Employee #1, who as underneath the boom, was struck on the upper portion of his body and killed.

Victim

#1 Fatality Age 56 M

Nature of injury
6

Part of body
13

Event type
1

Source
24

Occupation code
999

Human factor
10

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.