104,543Records 70,659Employers 84,666Hospitalizations 27,563Amputations 2015-01-01 2025-09-30
Safety Incidents OSHA Severe Injury Reports · 2015–2025

OSHA Accident Investigation · Summary #171004864

HEAD,EXTENSION LADDER,INSTALLING,UNSECURED,WORK RULES,CONSTRUCTION,BACK,FALL,CONCUSSION

Event
HEAD,EXTENSION LADDER,INSTALLING,UNSECURED,WORK RULES,CONSTRUCTION,BACK,FALL,CONCUSSION
Linked inspection
No inspection record linked to this accident's victims.
Summary number
171004864
Report ID
950632

Event description

Employee suffers concussion in fall from ladder

Investigation abstract

Employee #1, of University Mechanical & Engineering Contractors, was approximate ly 15 ft above the floor installing overhead return air ducts in a HVAC system. He was standing on a metal single-stage, 20 ft long extension ladder. When Emplo yee #1 pushed the work to the left, the top of the ladder moved to the right. He fell, sustaining a concussion and scrapes on his back. The cause of the acciden t was management's failure to ensure that the ladder was tied off and secured to prevent sideways movement at the top.

Victim

  1. #1 Hospitalized Age 40 F

    Nature of injury
    6
    Part of body
    13
    Event type
    5
    Source
    25
    Occupation code
    596
    Human factor
    1
    Environmental factor
    18
    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.