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 #221477235

WBW CONSTRUCTION, LLC

Event
ASPHYXIATED, COLLAPSE, CRUSHED, FALLING OBJECT, LACK OF ENGINEERING CONTROLS, TRENCH, TRENCH BOX, UNSTABLE SOIL
NAICS
238910
Inspection type
Federal Agency
Activity number
#346045131
Employer profile
WBW CONSTRUCTION, LLC
Summary number
221477235
Report ID
0625400
Project type
A
Construction end-use
H

Event description

TWO EMPLOYEES LEVELING PIPE ARE KILLED IN TRENCH COLLAPSE

Investigation abstract

At 8:30 a.m. on June 28, 2022, two employees were leveling a sewer pipe in a tre sted ladders the day before the collapse since they did not have enough ladders to install the trench boxes. The soil type results from the Salt Lake City Lab w ere Type B for all 3 soil samples gathered and the site and sent in for analysis . The afternoon before the trench collapse it rained and there was water in the bottom of the trench. nch. The trench was approximately 23-feet deep and 34-inches wide with straight vertical walls and no protection system installed. The nearest means of egress f or the employees was approximately 132 feet from where they were working. A cowo rker (foreman) began cutting across the trench to dig a smaller trench (side cut ) for a joining pipe to be laid. The trench collapsed and the two employees that were crushed and killed. Three 8-foot by 24-foot trench boxes were available at the site but were not used. The foreman had chosen to work with vertical walls for the trench after he assessed the soil as being stable. The foreman had reque

Victims (2)

  1. #1 Fatality Age 0

    Event type
    1
    Occupation code
    7010
  2. #2 Fatality Age 0

    Event type
    1
    Occupation code
    869

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.