OSHA Accident Investigation · Summary #14499842
TRAYLOR BROS. INC. & FRONTIER KEMPER CONST. INC.
MILWAUKEE, WI·
Event description
CONSTRUCTION EMPLOYEE STRUCK ON HEAD BY FALLING STONE
Investigation abstract
AT APPROXIMATELY 2:30 AM ON MARCH 17, 1987, A STONE WEIGHING ABOUT 10 POUNDS BEC AME DISLODGED FROM THE SIDE OF A DEEP VERTICAL SHAFT. THE STONE ORIGINATED AT AB OUT THE 120 TO 150 FOOT LEVEL, AND FELL 70 TO 40 FEET BEFORE IMPACTING UPON THE HEAD OF EMPLOYEE #1. THE STONE WAS COMPOSED OF HIGHLY ANGULAR LIMESTONE. EMPLOYE E #1 WAS WEARING A HARD HAT, BUT THE HAT DID NOT PROVIDE SUFFICIENT PROTECTION F ROM SUCH A LARGE, HEAVY OBJECT. THERE WAS NO WIRE MESH OR OTHER RESTRAINING MATE RIAL IN PLACE TO PREVENT OBJECTS FROM FALLING DOWN THE SHAFT. THERE HAD BEEN A C URSORY VISUAL INSPECTION OF THE SHAFT AFTER A BLAST FOUR HOURS PRIOR TO THE INCI DENT. EMPLOYEE #1 IS IN CRITICAL CONDITION WITH MASSIVE HEAD TRAUMA.
Victim
-
#1 Hospitalized Age 25 M
- Nature of injury
- 6
- Part of body
- 13
- Event type
- 1
- Source
- 12
- Occupation code
- 999
- 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.