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Explosives Inspectorate | Alert | No.114 V 1 | 09 January 2024

Faulty alternator catches fire on SSAN transport

What happened?

An AB-triple combination fully loaded with security sensitive ammonium nitrate (SSAN) emulsion, parked at the mine security gate, had a failed alternator bearing resulting in a fire.

The operator called an emergency as per mine site procedure, and successfully deployed a fire extinguisher against the fire.

How did it happen?

The investigation identified that a failed bearing in the original equipment manufacturer (OEM) fitted alternator caused the fire.

Key issues


To prevent a recurrence of this type of significant incident the following recommendations are made:

Investigations are ongoing and further information may be published as it becomes available. The information in this publication is what is known at the time of writing.

We issue Safety Notices to draw attention to the occurrence of a serious incident, raise awareness of risks, and prompt assessment of your existing controls.

References and further information

A. Explosives Act 1999
B. Explosives Regulation 2017

Authorised by Vishwa Bhushan - Deputy Chief Inspector – Explosives

Contact: Haydn Isaac, Principal Inspector of Explosives , +61 7 4936 0142

Issued by Resources Safety & Health Queensland

Safety: This information is issued to promote safety through experience. It is not to be taken as a statement of law and must not be construed to waive or modify any legal obligation.
Placement: Place this announcement on noticeboards and ensure all relevant people in your organisation receive a copy, understand the content, findings and recommendations as applicable to their operation. SSEs should validate that recommendations have been implemented.

All information on this page (Faulty alternator catches fire on SSAN transport - is correct as of time of printing (Mar 3, 2024 3:41 am).