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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52 • ROCK products • March 2017 C onsidering the high costs of material transport, it's a significant benefit when construction aggregates are read- ily available near large paving projects. Apex Sand & Gravel meets that demand as it follows the paving action on I-80 in Nebraska and Wyoming. As a young, yet experienced portable washing operation, Apex is a start-up company owned and operated by industry veterans. "We saw the uptick in construction projects on I-80, and we wanted to supply major paving companies with high-quality aggre- gate, efficiently mined, processed and stockpiled close to the paving jobsite," said Tom Andersen, operations man- ager for Apex. In Nebraska, I-80 follows the course of the Platte River and the Platte Valley where the water table is high, and sand and gravel deposits are prevalent. As construction began on I-80 in the late 1950s, sand and gravel was often mined off the right-of-way, rather than being trucked to the jobsite from miles away. Today, these mining excavations are interstate lakes and popular fish- ing spots located near exchanges or overpasses. Certainly, the region's geology is fortu- nate for portable washing operations such as Apex Sand & Gravel, which recently processed material on land leased in Lodgepole, Neb. This location is ground zero for a $38-million I-80 removal and reconstruction project. During its 2016 season, Apex produced 200,000 tons of material at the site, half for the construction of the eastbound lanes, and the other half left behind for the westbound construction in 2017. With that completed, Apex prepared for tear down and relocation to the next production site. "Prior to the season at the Lodgepole site, we did some drilling in the area and found a nice deposit less than a mile from the paving job," said Ander- sen. He said they began by excavating to create a pond for the wash water, as well as a stockpile of material to feed the plant. After the material is washed, the water is sent to the pond where the solids settle out. The water is recycled and pumped back into the plant. The portable washing setup at the site includes two fine material washers; 14 transfer conveyors; and a telescop- ing radial stacker, all manufactured by Superior Industries, which now provides a complete line of crushing, washing, screening and conveying equipment. Portability and Reliability Andersen said that the equipment was chosen for its portability and reliabil- ity. "Setup and teardown is super-fast. We can fold up the conveyors and stack them on a flat-bed truck in no time," he said, adding that it only took one shift for he and another worker to set up all the conveyors on the site. "We needed many portable conveyors as we are processing our material on a limited footprint. Washed material must be conveyed via the transfer con- veyors to nearby property where it's stockpiled and loaded onto trucks for a short, three-quarter-mile haul to the paving jobsite," Andersen said. Pop-Up Production A Start-Up Portable Washing Operation Follows Paving Action Down the Highway. By Carol Wasson Material is effectively washed, clas- sified and dewatered using two Superior fine material washers. As a young, yet experienced por- table washing operation, Apex is a start-up company owned and oper- ated by industry veterans. PORTABLE WASHING OPERATION

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