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Mineral Mines & Quarries Inspectorate | Alert | No.419 V 1 | 19 October 2022

Mobile Plant Reversing into Light Vehicle

What happened?

Two recent High Potential Incidents have involved tracked heavy mobile equipment (HME) reversing into stationery light vehicles (LV).

Incident #1 – Excavator vs LV

Incident #2 – Dozer vs LV

How did it happen?

Both incidents are still under investigation; however key learnings from preliminary investigations show that:
Other contributing factors included:

Key issues

There are many historical incidents involving HMEs reversing into LVs – and in many of these incidents, the critical controls necessary to prevent the collision were absent or ineffective.

A critical control is defined as a control that if removed or not executed exactly as intended, would cause an unsafe situation despite the existence of the other controls.


Site Senior Executives (SSEs) should review their site critical controls and processes for operation and parking of LVs adjacent to HME in active production areas and ensure that:

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

Guidance Note QGN 27 Collision prevention (Mining and Quarrying Safety and Health Act 1999)

Learning from investigations: Fatal collision between dozer and light vehicle

Authorised by Trevor Brown - Deputy Chief Inspector – Mineral Mines & Quarries

Contact: Deon Esterhuizen, Regional Inspector of Mines , +61 7 3330 4254

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 (Mobile Plant Reversing into Light Vehicle - is correct as of time of printing (9 Dec 2022 4:49 am).