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 #739979

UNCONSCIOUSNESS,CONFINED SPACE,WORK RULES,CONSTRUCTION,ENGINE,MANHOLE,OVEREXPOSURE,CARBON MONOXIDE

Event
UNCONSCIOUSNESS,CONFINED SPACE,WORK RULES,CONSTRUCTION,ENGINE,MANHOLE,OVEREXPOSURE,CARBON MONOXIDE
Linked inspection
No inspection record linked to this accident's victims.
Summary number
739979
Report ID
452110

Event description

Employees exposed to carbon monoxide

Investigation abstract

Employees #1 and #2 were instructed to pump water from a manhole using an electr ic pump and a gasoline-powered pump that was positioned above the ground. This s ystem wasn't strong enough to pump the water, so Employee #2 decided to take the Stone, 5 HP, model STP2B5 with a Briggs-Stratton engine, off its cage and instr ucted Employee #1 to take the engine into the manhole. While 12 ft down in the m anhole, Employee #1 passed out on the platform. Employee #2 climbed down and tie d a rope around Employee #1, then pulled him out. Both employees were taken to t he hospital by ambulance and treated for carbon monoxide exposure.

Victims (2)

  1. #1 Hospitalized Age 29 M

    Nature of injury
    2
    Part of body
    28
    Event type
    8
    Source
    9
    Occupation code
    585
    Human factor
    1
    Environmental factor
    7
    Hazardous substance
    0560
    Task assigned
    2
  2. #2 Hospitalized Age 29 M

    Nature of injury
    17
    Part of body
    28
    Event type
    8
    Source
    9
    Occupation code
    557
    Human factor
    1
    Environmental factor
    7
    Hazardous substance
    0560
    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.