Individual or Team Actions » LTA work method » LTA awareness

68Conveyor Belt - Fatal Accident 1995



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Brief Description of Incident/Accident & Description of Consequences/Outcomes:

A mobile crushing and screening plant operator died from severe crush injuries to the arm and chest when he became trapped between the belt and roller in the tensioning system on a screen feed conveyor.

At the time of the accident it appears that the deceased had been greasing the roller bearings using a hand held grease gun while the conveyor was running. He was apparently able to pull the emergency stop lanyard, as when found, he was lying on the ground beside the unit and the conveyor was stopped.

There was no designed access to the belt tension take up area nor any provision for a maintenance work platform, and the roller grease nipples were located directly on the bearing housings.

Identified Root Causes:

The prime causal factor was that the deceased accessed the area of the belt tension take up mechanism while the belt was running.

Energy Type(s) Involved:

Entrapment of person in conveyor

Equipment Type(s):

Conveyor Belt

Root & Contributing Cause(s):

LTA awareness

LTA design

LTA hazard identification

LTA isolation

LTA work method

Stated or Potential Consequence(s):

Fatality

Preventative/Recommended/Accepted Steps of Risk Mitigation, Points of Interest:

Isolation and tag out procedures should be used whenever performing maintenance or other work on conveyors.

2. Lubrication systems should be designed so that the application point for the lubrication is located clear of the mechanism of the conveyor in an accessible and safe position with the lubricant being piped to the bearing. (Refer AS 1755-1986 Section

3.2.4 Lubrication of Bearings).

3. Where it is possible for a person to access a nip point inadvertently on a conveyor, provision should be made to prevent such access.

NOTE

A similar fatal accident resulted in the issuing of Significant Incident Report No. 2/89.

J M Torlach

STATE MINING ENGINEER

25 May 1995

SAFETY AWARENESS

Organisation:

Government of Western Australia, Department of Mines and Petroleum


Results

Here are the results.


Information

Reference Type:

Significant Incident Report #55

Mine Type:

Surface Mine

Energy:

Potential & Kinetic - Mechanical > Moving machine part(s)

Equipment:

Published:

1995

Region:

Australia, Western Australia

ICAM Categories

Organisational Factors

• LTA design

• LTA equipment design

• LTA guarding

• LTA hardware design

Task or Environmental Conditions

-

Individual or Team Actions

• LTA awareness

• LTA hazard identification

• LTA isolation

• LTA task planning

• LTA work method

Failed or Absent Defences

-



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