OSHA Accident Investigation · Summary #608489
TRUSS,COLLAPSE,WORK RULES,CONSTRUCTION,FALL,BRACING
Event description
Employees injured when roof trusses collapse
Investigation abstract
At approximately 8:30 a.m. on November 1, 1988, Employees #1 through #4 were ele vated attempting to align the prime roof truss. They had erected the entire trus s unit the previous work day without bracing the prime truss. As the employees b egan to hammer the prime truss into alignment, the entire series of trusses bega n to fall, throwing the employees to a lower level. Employees #1 through #4 went to the hospital. The employer did not follow the Truss Plate Institute, Inc., 1 976 "Bracing Wood Trusses Commentary and Recommendations."
Victims (4)
-
#1 Non-hospitalized injury Age 28 M
- Nature of injury
- 3
- Part of body
- 19
- Event type
- 5
- Source
- 42
- Occupation code
- 569
- Human factor
- 4
- Environmental factor
- 13
- Task assigned
- 1
-
#2 Non-hospitalized injury Age 26 M
- Nature of injury
- 3
- Part of body
- 19
- Event type
- 5
- Source
- 42
- Occupation code
- 569
- Human factor
- 4
- Environmental factor
- 13
- Task assigned
- 1
-
#3 Non-hospitalized injury Age 43 M
- Nature of injury
- 3
- Part of body
- 19
- Event type
- 5
- Source
- 42
- Occupation code
- 569
- Human factor
- 4
- Environmental factor
- 13
- Task assigned
- 1
-
#4 Non-hospitalized injury Age 19 M
- Nature of injury
- 3
- Part of body
- 19
- Event type
- 5
- Source
- 42
- Occupation code
- 569
- Human factor
- 4
- Environmental factor
- 13
- Task assigned
- 1
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