OSHA Accident Investigation · Summary #809533
FRACTURE,INSTALLING,MOBILE SCAFFOLD,UNSECURED,CONSTRUCTION,SCAFFOLD COLLAPSE,LACERATION,FALL,FALL PROTECTION,TUBULAR SCAFFOLD
Event description
Three employees injured in scaffold collapse
Investigation abstract
Employees #1 and #2 were working on top of a tubular welded frame manually-prope f the room. Employee #1 rode the scaffold to the floor and fractured his pelvis and dislocated his hip when he landed on the concrete floor. When it had tilted far enough, the scaffold racked together and the platform boards come loose. Emp loyee #2, detecting that the scaffold was collapsing from underneath him, grabbe d a beam on the ceiling and hung onto the beam until he became tired, then dropp ed to the concrete floor, breaking his foot. Employee #3, who was working in the area, saw the scaffold falling and tried to hold it up but was caught under the scaffold as it fell. The metal parts of the scaffold cut his arm. lled mobile scaffold installing metal studs as a part of drywall installation. E mployee #1 was using a power activated tool to install the studs and Employee #2 was handling the drywall. During this time, the scaffold had been adequately br aced and had railings, toeboards, and locked casters. The employees had worked a bout two thirds of the way around the room. They had not moved the scaffold whil e on the platform, but had first descended, unlocked the casters, and then moved the scaffold. For an undetermined reason, while the employees were working from the scaffold, the scaffold began to fall away from the wall toward the center o
Victims (3)
-
#1 Hospitalized Age 22 M
- Nature of injury
- 12
- Part of body
- 14
- Event type
- 5
- Source
- 42
- Occupation code
- 573
- Human factor
- 14
- Environmental factor
- 13
- Task assigned
- 1
-
#2 Non-hospitalized injury Age 20 M
- Nature of injury
- 12
- Part of body
- 11
- Event type
- 5
- Source
- 42
- Occupation code
- 573
- Human factor
- 14
- Environmental factor
- 13
- Task assigned
- 1
-
#3 Non-hospitalized injury Age 35 M
- Nature of injury
- 7
- Part of body
- 2
- Event type
- 2
- Source
- 28
- Occupation code
- 573
- Human factor
- 14
- Environmental factor
- 6
- 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.