Rock Products

MAR 2017

Rock Products is the aggregates industry's leading source for market analysis and technology solutions, delivering critical content focusing on aggregates-processing equipment; operational efficiencies; management best practices; comprehensive market

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www.rockproducts.com ROCK products • March 2017 • 53 The material is washed, classified and dewatered using two Superior fine material washers. Andersen said he likes the durability of the units. "They just outlast anything else I've seen," he said. Importantly, Superior has safeguarded the outboard bearing on each unit by placing it outside and away from the water tank to provide extra protection against potential water damage. The design also prevents the common problem of over-greasing the bearing. Apex stockpiles its finished products using a Superior TeleStacker conveyor, which is engineered to eliminate material segregation by stockpiling materials in windrows to ensure that products meet specifications. It's equipped with an automation system that allows the stockpiling of larger-volume piles on smaller footprints. "Also, the belts track nice, and you don't have to babysit it all day long," said Andersen. Among multiple axle configurations, Apex chose an FD Axle configuration for its stacker, as it offers the most flexibility when moving from site to site. "I've been around all sorts of stackers, and this one is the best rough-terrain stacker. It goes where we need it to go. In our business, we need a unit that's tough and husky. Previous stackers that I've operated would often get stuck, and we'd have to pull them out with a loader," said Andersen. According to Superior's engineers, its TeleStacker conveyor is designed for maximum safety and stability. Its patented FB Undercarriage provides increased undercarriage support and greater rigid lateral stability. Andersen said that one of the biggest safety advantages is the guarding placed on the units. "When a Superior conveyor is delivered to us, we don't have to install any guarding because it's already been done at the factory. That's a big thing in this industry as far as meeting MSHA regulations; and it's a big plus that once we unload this equipment, it's safe and ready to go," he said. Apex Sand & Gravel will soon tackle its third season and has seen growth right from the start. Last season they operated an additional portable washing setup on a Colorado-based site where they processed material for a section of I-80 that runs very close to the Colorado border. Ongoing success for Apex is likely, especially when focusing on I-80 projects. After all, the total length of the Nebraska sec- tion alone is 455 miles, with 82 interchanges, 442 bridges on or over the roadway, and 25 rest areas. That's a lot of poten- tial for highly-mobile portable washing operations. Carol Wasson is a Fort Wayne, Ind.-based freelancer. Apex began work around a new deposit by excavating to create a pond for the wash water. Washed material is conveyed on a series of portable transfer conveyors to a nearby property for stockpiling. Ideal for limited footprints, Superior's TeleStacker con- veyor builds higher-volume, desegregated stockpiles in a variety of configurations.

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