Safety Incidents OSHA Severe Injury Reports · 2015–2025
105,313Records 71,083Employers 85,290Hospitalizations 27,770Amputations 2015-01-01 2025-10-31

OSHA Accident Investigation · Summary #14510879

CONCRETE SERVICES

Event
CONCRETE FORM WORK, UNSECURED, WORK RULES, JOIST, COLLAPSE, CONSTRUCTION
NAICS
000000
Inspection type
Accident-driven
Activity number
#681247
Employer profile
CONCRETE SERVICES
Summary number
14510879
Report ID
625400

Event description

Eight injured when floor collapses during construction

Investigation abstract

Employees #1 through #8 were working on the construction of an office building. The employer was pouring concrete on the third floor. As the concrete flowed fro m the pumper hose, it exerted lateral pressure on the floor-joist system. The jo ists bowed until they could no longer support the floor. The joists buckled and the floor collapsed, injuring Employees #1 through #8. The floor and forms were supported by bar joists with inadequate lateral support.

Victims (9)

  1. #1 Hospitalized Age 41 M

    Nature of injury
    3
    Part of body
    17
    Event type
    2
    Source
    8
    Occupation code
    999
    Human factor
    1
    Environmental factor
    2
    Task assigned
    1
  2. #2 Hospitalized Age 36 M

    Nature of injury
    3
    Part of body
    17
    Event type
    2
    Source
    8
    Occupation code
    999
    Human factor
    1
    Environmental factor
    2
    Task assigned
    1
  3. #3 Hospitalized Age 35 M

    Nature of injury
    12
    Part of body
    16
    Event type
    2
    Source
    8
    Occupation code
    999
    Human factor
    1
    Environmental factor
    2
    Task assigned
    1
  4. #4 Hospitalized Age 55 M

    Nature of injury
    12
    Part of body
    16
    Event type
    2
    Source
    8
    Occupation code
    999
    Human factor
    1
    Environmental factor
    2
    Task assigned
    1
  5. #5 Hospitalized Age 32 M

    Nature of injury
    3
    Part of body
    2
    Event type
    2
    Source
    8
    Occupation code
    999
    Human factor
    1
    Environmental factor
    2
    Task assigned
    1
  6. #6 Hospitalized Age 31 M

    Nature of injury
    3
    Part of body
    2
    Event type
    2
    Source
    8
    Occupation code
    999
    Human factor
    1
    Environmental factor
    2
    Task assigned
    1
  7. #7 Hospitalized Age 28 M

    Nature of injury
    3
    Part of body
    16
    Event type
    2
    Source
    8
    Occupation code
    999
    Human factor
    1
    Environmental factor
    2
    Task assigned
    1
  8. #8 Hospitalized Age 25 M

    Nature of injury
    3
    Part of body
    16
    Event type
    2
    Source
    8
    Occupation code
    999
    Human factor
    1
    Environmental factor
    2
    Task assigned
    1
  9. #981 Degree 0 Age 0

    Nature of injury
    0
    Part of body
    0
    Event type
    0
    Source
    0
    Occupation code
    0
    Human factor
    0
    Environmental factor
    0
    Task assigned
    0

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.