OSHA Accident Investigation · Summary #607572
ROOF COLLAPSE,ROOF,COLLAPSE,ROOF DECKING,ABRASION,ROOFER,CONTUSION
Event description
EMPLOYEE INJURED WHEN ROOF TRUSSES COLLAPSE
Investigation abstract
Employees had erected approximately 48 wooden trusses and bracing had been insta lled using 2 by 4's. Virtually all the bracing was lateral and the required brac ing in accordance with BWT-76 of the Truss Plate Institute had not been installe d. There was a failure either in a brace or a truss web and all the trusses coll apsed while plywood decking was being installed. Employee #1 was slightly injure d with bruises and contusions.
Victim
-
#1 Non-hospitalized injury Age 41 M
- Nature of injury
- 3
- Part of body
- 16
- Event type
- 5
- Source
- 8
- Occupation code
- 999
- Human factor
- 6
- 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.