OSHA Accident Investigation · Summary #14435002

SIERRA CONSTRUCTORS

AVERY, CA· 1987-08-13T00:00:00

Event: HEAD, PINNED, BOULDER, CONSTRUCTION, STRUCK BY, UNSTABLE SOIL, FALLING OBJECT
NAICS: 000000
Inspection type: Accident-driven
Activity number: #100924455
Employer profile: SIERRA CONSTRUCTORS
Summary number: 14435002
Report ID: 931500

Event description

Employee killed when struck by falling boulder

Investigation abstract

Employee #1 and three coworkers were drilling holes for the next blasting operat ion, which was to occur the following day. They were drilling in an area located approximately 25 to 30 ft below an elevation when dirt, rocks, and boulders fel l from the top of this elevation. Employee #1 was killed when he was struck on t he head by a boulder and then pinned beneath it. His coworkers pulled him away f rom the area.

Victim

#1 Fatality Age 27 M

Nature of injury
12

Part of body
13

Event type
1

Source
12

Occupation code
999

Human factor
1

Environmental factor
6

Hazardous substance
8880

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.