Please see below Safety Alert from the Queensland Government
Mines Inspectorate—All mines
Safety Alert No. 294 | 12 September 2012
A worker on foot was struck and killed by a 988H Cat front end loader which was tramming forward. The worker was found on the ROM pad.
Pedestrian–vehicle interaction is a major hazard at mines. This incident has been recognised as pedestrian and mobile equipment interaction, but the investigation is still ongoing.
All sites should review their procedures, practices and plans to manage the risk of mobile equipment–pedestrian risk.
The review should include these points:

Authorised by Robert O’Sullivan | Chief Inspector of Mines
Contact: Steve Firth, Inspector of Mines, +61 7 4799 7507
Place the alert on noticeboards and ensure all relevant people in your organisation receive a copy.
See more safety alerts and bulletins at http://mines.industry.qld.gov.au/
And the hazard database at http://mines.industry.qld.gov.au/safety-and-health/publications-guides.htm
”Please note that any references to legislation, standards or codes in these alerts and bulletins may or may not be relevant to operations in South Australia. Readers should ensure that they identify and apply the legislation, standards and codes relevant to their operations in South Australia.”