OSHA Accident Investigation · Summary #14570410
HEAD,WORK RULES,CONSTRUCTION,STRUCK BY,FALLING OBJECT,SPREADER BAR,CRANE
Event description
CRANE-LIFTED WALL FELL, STRIKING EMPLOYEE
Investigation abstract
THREE EMPLOYEES WERE ASSISTING IN THE LIFT OF AN 18 FOOT, 6 INCH BY 30 FOOT PRET IT WOULD HAVE MORE EQUALLY BALANCED THE WEIGHT OF THE LOAD, THUS PREVENTING THE WALL FROM BOWING AND BREAKING UP. IED STEEL REINFORCING WALL. THE WALL CONSISTED OF 54 VERTICAL NUMBER 8 REBAR AND 12 HORIZONTAL NUMBER 5 REBAR. IT WEIGHED APPROXIMATELY 1.47 TONS. THE LIFT WAS MADE USING A P.H. 70 TON CRAWLER CRANE, NUMBER C-27. THE WALL WAS RIGGED TO THE CRANE HOOK USING A TWO-WAY WIRE ROPE SPREADER ATTACHED TO THE TOP HORIZONTAL MEM BER. THE WEIGHT OF THE WALL, AS THE LIFT WAS MADE, CAUSED THE ENTIRE STRUCTURE T O BOW, EVENTUALLY SNAPPING THE TIE WIRES. THE WALL THEN BROKE UP AND FELL TO THE GROUND, STRIKING EMPLOYEE #1. EMPLOYEE #1 SUSTAINED HEAD INJURIES WHICH SUBSEQU ENTLY RESULTED IN HIS DEATH. A FOUR-WAY SPREADER SHOULD HAVE BEEN USED BECAUSED
Victims (2)
-
#1 Fatality Age 39 M
- Nature of injury
- 12
- Part of body
- 13
- Event type
- 1
- Source
- 27
- Occupation code
- 999
- Human factor
- 18
- Environmental factor
- 6
- Task assigned
- 1
-
#981 Degree 0 Age 0
- Nature of injury
- 0
- Part of body
- 0
- Event type
- 0
- Source
- 0
- Occupation code
- 0
- Human factor
- 0
- Environmental factor
- 0
- Task assigned
- 0
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.