OSHA Accident Investigation · Summary #14566434

MAINTENANCE,AMPUTATED,CLEANING,MIXER,LOCKOUT,ARM

1986-02-19T00:00:00

Event: MAINTENANCE,AMPUTATED,CLEANING,MIXER,LOCKOUT,ARM
Linked inspection: No inspection record linked to this accident's victims.
Summary number: 14566434
Report ID: 950411

Event description

ARM AMPUTATED IN A "MAKING HEAD" MIXER

Investigation abstract

EMPLOYEE #1 WAS IN THE PROCESS OF CLEANING CONCRETE RESIDUE FROM A "PUG HOPPER" OUND THE EMPLOYEE'S ARM OFF AT A POINT HALFWAY BETWEEN HIS ELBOW AND SHOULDER. O THER EMPLOYEES SHUT OFF THE MACHINE AND FREED EMPLOYEE #1. AND "PUG BOX", A DEVICE USED TO BLEND CONCRETE MIX PRIOR TO IT BEING RUN THROUGH AN EXTRUDER HEAD. A PORTION OF THE MACHINE IS KNOWN AS A "MAKING HEAD". IT CONS ISTS OF A 2 INCH DIAMETER, 16 INCH LONG, STEEL SHAFT WITH 3 INCH LONG BY 3/8 INC H DIAMETER STEEL PINS SET RANDOMLY ON THE SHAFT (20 PINS). THIS PORTION OF THE M ACHINE MIXES THE CONCRETE AND KEEPS IT PLIABLE. THE "MAKING HEAD" MIXER WAS ON A T THE TIME THE MACHINE WAS BEING CLEANED. THE EMPLOYEE WAS WEARING GLOVES. HE WA S USING HIS RIGHT HAND TO PUSH THE RESIDUE INTO THE MIXER WHEN THE SPIKES CAUGHT HIS GLOVE/HAND AND PULLED HIS HAND AND FOREARM INTO THE MACHINE, THE MACHINE GR

Victim

#1 Hospitalized Age 27 M

Nature of injury
1

Part of body
2

Event type
2

Source
26

Occupation code
999

Human factor
6

Environmental factor
2

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.