Rock Products

JUN 2018

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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36 • ROCKproducts • June 2018 Excavating L ocated near the Appalachian Moun- tains and a national forest, Boxley Materials Co.'s Rich Patch Quarry in Covington, Va., is a little more pictur- esque than a typical limestone quarry. "We live and work in a beautiful part of the country here," said Steve Robertson, superintendent at Boxley Materials' Rich Patch Quarry. "The quarry is very close to George Washington National Forest. I tell people in the company that I've got the office with the best view!" Established in 1892, Boxley Materials Co., a division of Summit Materials, purchased its first quarry 58 miles west of Roanoke, Va., in 1908. Today, the company operates several sites selling aggregate, asphalt, hardscapes, concrete and paving services through- out Roanoke and Lynchburg, Va. The company acquired Rich Patch Quarry from Vulcan Materials in 2002. Rock-Solid Durability The newest addition to the Rich Patch Quarry site is a Hitachi ZX350LC-6 exca- vator, and it's Boxley Materials' primary workhorse, transforming massive lime- stone rocks into a crusher-friendly size. "We're pulling limestone out and pro- ducing anywhere from 25,000 to 35,000 tons a month through the crusher," Robertson said. "We're operating and crushing nine months a year so we keep a rock breaker on the Hitachi 350 for 90 percent of the time. The material we have here is very blocky and we wind up with a lot of big rock. There's just no way to shoot it to get it down to crusher size so we use the Hitachi." The ZX350LC-6 keeps the quarry crush- ing eight hours a day. "We've got a jaw crusher, two impact crushers and two screens making six products: crusher run, #57, #8, #9, lime and sand," Robertson said. "The products that we make are being used in concrete, asphalt and road bases." While crushing is the norm, Boxley Materials also adjusts its operations as needed, for example, to help with the aftermath of Mother Nature's wrath. "In June 2016, we had a 500-year flood just to the west of us," Robertson said. "The flood washed a railroad out and we worked 12- to 14-hour days shipping material to get that up and running. We sent a lot of Class III rock, which is 500 Office With a View Nestled in the Mountains of Virginia, Rich Patch Quarry Has a View That Doesn't Disappoint – With the Added Bonus of a New Excavator. By Mark S. Kuhar The ZX350LC-6 keeps the quarry crushing eight hours a day.

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