The NSW Resources Regulator has advised of an incident this week where a haul truck backed through a windrow and ended up on unstable ground above a 10m drop.
The NSWRR said “A dump truck was reversing into a dump face when position 5 and 6 tyres went through a windrow. The short wall was about 10 m high. The operator was not injured. The truck was pulled back onto solid ground about 10 m from the edge.”
A number of recommendations have been made to industry. Specifically the regulator has advised that dump procedures must specify:
- minimum requirements for windrows
- how operators are required to approach windrows (e.g. square to windrow)
- stopping distances from edges and windrows
- windrow height, considering height increases due to incompetent material being dumped or water pooling under dumps.
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