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 #950626

LOUDOUN QUARRIES

Event
SAND SILO, ASPHYXIATED, SAND, COLLAPSE, WORK RULES, CLEANING, CLOGGED, UNSTABLE SOIL
NAICS
000000
Inspection type
Accident-driven
Activity number
#105716914
Employer profile
LOUDOUN QUARRIES
Summary number
950626
Report ID
355114

Event description

Employees asphyxiate when engulfed by material in sand bin

Investigation abstract

At approximately 11:00 a.m. on July 5, 1988, Employees #1, #2, and #3 entered a to his waist, incurring only minor injuries. The main causal factor appears to have been inadequate preparation and use of improper procedures while undertakin g this task. quarry sand bin to clear material that had built up inside and was clogging up t he funnel. The bin was cone-shaped measuring 20 to 25 inches high, 12 feet in di ameter, and narrowing to approximately 18 inches at the base. Material is dumped in at the top and a sifter allows finely crushed material to funnel out the bot tom. Material had built up on the sides as high as the Employees' heads. They ap parently entered the bin before scraping down this material and when the materia l broke loose, Employees #1 and #2 were completely engulfed and subsequently asp hyxiated. Employee #3 apparently jumped in to try to save them and was buried up

Victims (3)

  1. #1 Fatality Age 29 M

    Nature of injury
    2
    Part of body
    4
    Event type
    2
    Source
    12
    Occupation code
    999
    Human factor
    1
    Environmental factor
    18
    Task assigned
    1
  2. #2 Fatality Age 34 M

    Nature of injury
    2
    Part of body
    4
    Event type
    2
    Source
    12
    Occupation code
    999
    Human factor
    1
    Environmental factor
    18
    Task assigned
    1
  3. #3 Non-hospitalized injury Age 46 M

    Nature of injury
    3
    Part of body
    16
    Event type
    2
    Source
    12
    Occupation code
    999
    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.