OSHA Accident Investigation · Summary #14499842

HEAD,WORK RULES,CONSTRUCTION,OVERHEAD PROTECTION,SHAFT,STRUCK BY,FALLING OBJECT

1987-03-17T02:30:00

Event: HEAD,WORK RULES,CONSTRUCTION,OVERHEAD PROTECTION,SHAFT,STRUCK BY,FALLING OBJECT
Linked inspection: No inspection record linked to this accident's victims.
Summary number: 14499842
Report ID: 523400

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

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