OSHA Accident Investigation · Summary #14332175
ERECTION PROCESS,TRUSS,BUILDING,COLLAPSE,CONSTRUCTION,STEEL ERECTION
Event description
COLLAPSE OF BUILDING STEEL DURING FRECTION
Investigation abstract
5 EMPLOYEES WERE INSTALLING AND ERECTING STRUCTURAL STEEL OF SINGLE STORY WAREHO USE. THE BUILDING WAS TO BE 350 X 480' 24 FT. HIGH. THE STEEL CONSISTED OF STEEL COLUMN AND BEAMING FORMING 40' SQUARES. TEN SQUARES HAD BEEN ERECTED AND ON EAC H SQUARE 7 ROOF JOISTS HAD BEEN SET. NO GUY WISES HAD BEEN ATTACHED. WINDS AT 3: 50 PM ON 4-16-84 WERE MEASURED BY NEARBY AIRPORT TO BE 36 MPH. TWO EMPLOYEES WER E ON ELEVATED BEAMS AWAITING A LOAD OF ROOF TRUSSES FROM A TRUCK. ONE EMPLOYEE R EMEMBERS HEARING POPPING SOUNDS. 30 SECONDS LATER THE ENTIRE STRUCTURE SAGGED TH EN COLLAPSED IN THE SAME DIRECTION. ONE EMPLOYEE JUMPED OFF OF BEAM AND FRACTURE D BOTH LEGS.
Victim
-
#1 Fatality Age 29 M
- Nature of injury
- 12
- Part of body
- 18
- Event type
- 5
- Source
- 8
- Occupation code
- 999
- Human factor
- 11
- Environmental factor
- 13
- 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.