OSHA Accident Investigation · Summary #14456891
ERECTION PROCESS,BUILDING,COLLAPSE,IRON WORKER,COLUMN,CONSTRUCTION,STEEL ERECTION,FALL
Event description
FALL WITH COLUMNS DURING PLUMBING-UP
Investigation abstract
AN EMPLOYEE FELL 6FT PLUS AN UNKNOWN HEIGHT AS HE RODE A FALLING COLUMN STRUCTUR E BEAM LEVEL E DOWN TO THE GROUND. WHEN IT WHIPPED HE WAS THROWN OFF TO THE GROUND SUB BASEME NT 6FT BELOW GRADE BEAM LEVEL. THE SUPERVISOR WAS PLUMBING STRUCTURAL SUPPORT CO LUMMS.THE COLUMM BEING WORKED ON, SUDDENLY CRACKED (NOISE) AND SHIFTED QUICKLY T O THE OPPOSITE SIDE. THE UNDERSIDE LEVELING NUT HAD GONE THROUGH THE BASE PLATE. THE ADDED LEVEL ING PLATE CREATED A FULCRUM POINT CAUSING A TIPPING MOTION OF T HE 24" W SUPPORT BEAM. THE OFFSITE ANCHOR BOLTS SHEARED OFF AND A DOMINO EFFECT ENSUED WHEN THE ACTION REACHED HIM THE INJURED EMPLOYEE RODE THE FALLING STRUCTU RE DOWN--WHEN IT WHIPPED HE WAS THROWN OFF TO THE SUB BASEMENT 6 FEET BELOW GRAD
Victim
-
#1 Non-hospitalized injury Age 8 M
- Nature of injury
- 7
- Part of body
- 13
- Event type
- 5
- Source
- 5
- Occupation code
- 597
- Human factor
- 14
- 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.