Friendly competition as quarries turn to ‘super excavator’

 

It was going to be the ultimate in one-upmanship. The two largest quarries servicing the giant $NZD850 million ($AUD800 million) Transmission Gulley motorway project in Wellington, New Zealand – one of the most complex in the nation’s history – were each looking for a way to bring new efficiency to the job and win major business.

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Water management in the extractive industries

 

Pressure is on extractive operators globally to employ technologies that reuse water responsibly. Business development managers for a sand washing manufacturer discuss the challenges, costs and logistics of developing a washing plant that satisfies local and international regulations.

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Does long distance conveying equate to long-term savings benefits?

 

Conveyors have long been touted as an alternative to earthmoving vehicles for the cartage of aggregates on-site, particularly over long distances. However, what really are the pros and cons of long distance conveyors – in terms of finance, safety and the environment – and is bigger necessarily better?

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Dynamic engineering geared at productivity, safety

 

For many quarrying – and indeed materials handling – operations, conveyors are vital to the efficient and timely delivery of aggregates. As Neil Kinder and Cameron Portelli explain, the right selection of conveyor components and products can make all the difference for profitability and productivity.

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No problem with the curve: Rail running conveyor solutions

 

Larger quarries are increasingly looking for economical solutions to transporting aggregates from the face to the crushing circuit. A proposed curved rail running conveyor may yet provide an alternative to conventional transport by dump trucks and off-road vehicles.

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