Case Studies

Jul 15th, 2021

MACKELLAR GROUP

Hercules Truck

Dawson Mine is an open-cut metallurgical coal mine operation made up of three operating pits – North, Central and South. It commenced operations in 1961 and is one of the oldest coal mining operations in Central Queensland. Dawson was the first mine in Australia to export coal to Japan in 1961 and was the first mine to introduce draglines into its operation in 1963.

A key feature of Dawson is the development of Cultural Heritage Agreements for Dawson North and South. These agreements have established a cooperative framework to help minimise impacts for areas covered by Native Title or Cultural Heritage guidelines at Dawson North, Central and South developments. At Dawson North and Central, we created a Cultural Heritage Investigation and Management Agreement in consultation with the Gangulu People, who are the Traditional Owners of the development area and custodial owners of the cultural heritage in the area.

Long-time clients of Schlam, Mackellar Group, have been mine contractors with their current fleet for the last two years. The Company has also worked at the mine on other occasions over the past 20 years.

THE CHALLENGE:

Mackellar Group was presented with the challenge of delivering a genuine 240 metric tonne truck solution to enable four-pass loading with hydraulic excavators (36 cubic metres) or potentially to suit two-pass loading with a P&H 4100 XPC rope shovel (64 cubic metres).

THE APPROACH:

Mackellar Group calculated that the best course of action was to use nine Liebherr T 264 mining trucks. The T 264 is part of the 240-tonne size class, matching ultra-class hydraulic excavators, electric shovels, and wheel loaders.

The brand-new fleet was fitted with Hercules dump bodies to make the most of the T 264’s payload potential.

“We chose to use the Hercules as it provided a lighter weight solution, which maximises payload and truck efficiency,” said Dave White, Mackellar Group General Manager.

THE RESULTS:

The client wanted the flexibility of a hired fleet and the speed and efficiency of AC electric drive whilst delivering a comfortable truck for their operators.

We provided a support structure for a fully maintained fleet to meet their needs.

“With MacKellar Group being in the market of offering dry hire as well as mining contracting services, the Hercules body allows us to deliver more value to our clients by holding additional payload or by providing production at a lower cost.

“The Schlam Hercules body has been an excellent solution to our fleet across all truck models.

“Anglo Dawson has been an excellent client to work with and always treat the relationship like a partnership where we assist one another in different areas during peak workloads,” said Mr White.

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MACKELLAR GROUP

Dawson Mine is an open-cut metallurgical coal mine operation made up of three operating pits – North, Central and South. It commenced operations in 1961 and is one of the oldest coal mining operations in.

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