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

OSHA Accident Investigation · Summary #14400865

OXYGEN DEFICIENCY,RESPIRATORY,UNCONSCIOUSNESS,ASPHYXIATED,CONFINED SPACE,WORK RULES,AIR MONITORING,MANHOLE

Event
OXYGEN DEFICIENCY,RESPIRATORY,UNCONSCIOUSNESS,ASPHYXIATED,CONFINED SPACE,WORK RULES,AIR MONITORING,MANHOLE
Linked inspection
No inspection record linked to this accident's victims.
Summary number
14400865
Report ID
626300

Event description

EMPLOYEE ASPHYXIATED IN MANHOLE

Investigation abstract

EMPLOYEES #1 AND #2 WERE ASSIGNED THE TASK OF MARKING THE DIRECTION OF FLOW OF E ACH OF THE FEEDER LINES (10 INCH SEWERLINE) AT EACH MANHOLE ON LAKESIDE CIRCLE D RIVE, LEWISVILLE, TEXAS. EMPLOYEES #1 AND #2 MARKED THE FIRST TWO LINES WITHOUT INCIDENT. ON THE THIRD MANHOLE THERE WAS AN ADDITIONAL SEWER LINE TO BE MARKED. THE DIRECTION OF THE ADDITIONAL LINE WAS NOT OBVIOUS, SO EMPLOYEE #1 ENTERED THE MANHOLE TO VISUALLY OBSERVE ITS DIRECTION OF FLOW. EMPLOYEE #1 SUDDENLY CALLED FOR HELP. EMPLOYEE #2 ENTERED THE MANHOLE AND BOTH EMPLOYEES PASSED OUT DUE TO A LACK OF OXYGEN. EMPLOYEES #3, #4 AND #5 ALSO ATTEMPTED RESCUES AND PASSED OUT D UE TO A LACK OF OXYGEN.

Victims (5)

  1. #1 Fatality Age 39 M

    Nature of injury
    2
    Part of body
    28
    Event type
    8
    Source
    19
    Occupation code
    999
    Human factor
    19
    Environmental factor
    7
    Task assigned
    2

  2. #2 Non-hospitalized injury Age 24 M

    Nature of injury
    2
    Part of body
    28
    Event type
    8
    Source
    19
    Occupation code
    999
    Human factor
    19
    Environmental factor
    7
    Task assigned
    2

  3. #3 Non-hospitalized injury Age 37 M

    Nature of injury
    2
    Part of body
    28
    Event type
    8
    Source
    19
    Occupation code
    999
    Human factor
    19
    Environmental factor
    7
    Task assigned
    2

  4. #4 Non-hospitalized injury Age 30 M

    Nature of injury
    2
    Part of body
    28
    Event type
    8
    Source
    19
    Occupation code
    999
    Human factor
    19
    Environmental factor
    7
    Task assigned
    2

  5. #5 Non-hospitalized injury Age 63 M

    Nature of injury
    2
    Part of body
    28
    Event type
    8
    Source
    19
    Occupation code
    999
    Human factor
    19
    Environmental factor
    7
    Task assigned
    2

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.

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