OSHA Accident Investigation · Summary #707208
WALL,DEMOLITION,COLLAPSE,PINNED,CONSTRUCTION,CRUSHED,CRANE
Event description
CONSTRUCTION EMPLOYEE IN CRANE CRUSHED BY COLLAPSING WALL
Investigation abstract
EMPLOYEE #1 WAS DEMOLISHING A SUBGRADE BOILER ROOM USING A "HEADACHE" BALL. ADJA CENT TO THE BOILER ROOM VAULT, ON A SEPARATE FOUNDATION, WAS A 30 FOOT TALL AUDI TORIUM COMPLETED IN 1986. VIBRATIONS FROM THE DEMOLITION WORK ON THE VAULT FLOOR SLAB, 20 FEET BELOW GROUND, WERE TRANSMITTED TO THE AUDITORIUM, CAUSING THE DEC AYED A-FRAME ROOF TO COLLAPSE AND FALL. THE FORCE CREATED BY THE FALLING ROOF PU SHED THE UPPER 15 FEET OF THE SOUTH WALL ONTO THE CRANE, LOCATED 18 FEET FROM TH E AUDITORIUM. THE FALLING BRICK STRUCTURE LANDED ON THE CRANE CAB, PINNING EMPLO YEE #1 BETWEEN THE SEAT AND THE CAB WALL. HE WAS TREATED AT THE SCENE AND TRANSP ORTED TO JOHNS HOPKINS HOSPITAL, WHERE HE DIED 75 MINUTES LATER.
Victim
-
#1 Fatality Age 59 M
- Nature of injury
- 3
- Part of body
- 19
- Event type
- 1
- Source
- 8
- Occupation code
- 849
- Human factor
- 1
- Environmental factor
- 6
- 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.