OSHA Accident Investigation · Summary #737676
KNEE,ROOF COLLAPSE,INSTALLING,UNSECURED,BACK,FALL,SPRAIN,WATER TANK,INATTENTION,UNSTABLE POSITION
Event description
TWO EMPLOYEES INJURED IN FALL AS WATER TANK ROOF COLLAPSES
Investigation abstract
On June 22, 1898, Employees #1 and #2 were installing the roof of a water storag to the ground along with the roof. Employee #1 was hospitalized with back injuri es. Employee #2 received injuries to the knee. e tank, approximately 15 feet above ground. Employee #1 and #2 were aligning the roof rafters to a center column. Two-thirds of the rafters and approximately on e-third of the sheet metal roof were in place. The center column was held in pla ce by three come-alongs and a wire choke from the boom of a cherry picker. Emplo yee #1 had freed the roof rafters that were tack welded to the center column pla te. As another employee operating the cherry picker, moved the boom trying to ad just and center the center column, the roof rafters twisted and rolled in a domi no effect causing 0.75 percent of the roof to collapse. Employee #1 and #2 fell
Victims (2)
-
#1 Hospitalized Age 26 M
- Nature of injury
- 20
- Part of body
- 3
- Event type
- 5
- Source
- 8
- Occupation code
- 643
- Human factor
- 1
- Environmental factor
- 18
- Task assigned
- 1
-
#2 Non-hospitalized injury Age 19 M
- Nature of injury
- 20
- Part of body
- 15
- Event type
- 5
- Source
- 8
- Occupation code
- 643
- Human factor
- 1
- Environmental factor
- 18
- 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.