Safety Incidents OSHA Severe Injury Reports · 2015–2025
105,991Records 71,450Employers 85,836Hospitalizations 27,959Amputations 2015-01-01 2025-11-30

OSHA Accident Investigation · Summary #14499040

JAMES KAISER CONSTRUCTION EQUIPMENT & MAINTENANCE

Event
DISMANTLING, BLOCKS, CRANE BOOM, WORK RULES, CRAWLER CRANE, CONSTRUCTION, STRUCK BY, FALLING OBJECT, UNSTABLE POSITION
NAICS
000000
Inspection type
Accident-driven
Activity number
#102302262
Employer profile
JAMES KAISER CONSTRUCTION EQUIPMENT & MAINTENANCE
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. #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.