Stacker Parson cleans agg, reduces waste with the right equipment


Stacker Parson’s UltraFines retrieval system from McLanahan Corp. reduces pond waste. Photo: McLanahan Corp.

Staker Parson Materials & Construction has been producing sand, rock, ready-mix concrete, asphalt, paving, building and landscaping products in the Western United States since 1952.

Today, the company operates more than 50 locations in Utah, Idaho, Oregon, Nevada and Arizona, supplying products for projects ranging from roads to playgrounds.

On-site challenges

Staker Parson, a CRH company, processes more than one million tons of aggregate annually for concrete and asphalt products at the company’s site in Brigham City, Utah. It operated a rinsing plant and a single 54 in. tank. screw washer to clean up masonry rock and sand by-products used in its ready-mixed concrete and hot-mix asphalt plants.

But as Staker Parson began to dig deeper into his bank, the material became noticeably dirtier and required more than just a rinse to meet the specifications needed to create the company’s end products.

“We needed to start producing clean concrete sand, so we had to wash our concrete sand and also produce clean rock,” says Brooks Hess, superintendent at Staker Parson.

Equipment-Based Solutions

Staker Parson contacted Kimball Equipment, McLanahan Corp’s equipment dealer. based in Utah, along with a few other vendors, to see what options were available for washing its sand.

Photo: McLanahan Corp.

According to Chad Beimer of Staker Parson: “The thickening system works very well to recycle water and pump mud.” Photo: McLanahan Corp.

The company visited a site operating McLanahan equipment and submitted samples of its bank stream to McLanahan’s Applications and Research Laboratory in Hollidaysburg, Pennsylvania for testing.

McLanahan’s lab technicians performed material analysis, including a sieve test to determine the particle size distribution of the feed, and its process engineering team assembled an equipment solution for the Brigham City site. .

“We ended up loving the McLanahan system and everything it had to offer, so that’s the route we took,” says Hess.

To help clean up his concrete sand, Staker Parson installed two 54-inch McLanahans. fine material twin screw washers, followed by two McLanahan UltraDry dewatering screens to reduce the moisture content in the final sand product.

Additionally, Staker Parson installed a McLanahan UltraFines (UFR) reclamation system to reduce pond waste, as well as a thickener to recover water from the waste stream for reuse and to prevent excess waste. water from filling his pond too quickly. Both the UFR and the thickener are designed to improve the sustainability of the Brigham City site.

Hess says installing the equipment was “labour-intensive” and that there were learning curves with the equipment. But the support received from McLanahan and Kimball ensured that the process went smoothly.

“The support has been incredible, honestly,” says Hess. “Kimball was here most days throughout the setup process, and the McLanahan team also came for a few weeks as well. They were great with phone calls and anything we needed from the side assistance.”

Deliver results

The new equipment has worked well since start-up, and foreman Chad Beimer says the company has yet to encounter any major issues with it.

“Starting up and shutting down is pretty straightforward,” says Beimer. “It doesn’t take long at all, really.”

Photo: McLanahan Corp.

Stacker Parson installed two 54-inchers. fine material twin screw washers and two UltraDry dewatering screens – all from McLanahan Corp. – at its site in Brigham City, Utah. Photo: McLanahan Corp.

With its new washing facility, Staker Parson is now able to process 1,000 tph of material – a significant increase from the 400 tph produced with its old setup.

The site’s new screw washers and dewatering screens allow Staker Parson to produce the clean, dry material needed for its ready-mix concrete plants, and the UFR and thickener allow it to recover materials purposes and reusable process water from its waste stream.

“The thickener system works very well to recycle water and pump mud,” says Beimer.

While the main goals of producing clean materials and reducing pond waste were achieved, Hess says Stacker Parson quickly realized another benefit of the plant.

“With the McLanahan system, we’ll be able to use more hardware,” says Hess. “We’ve gone from eight to 12 years to 12 years, but now we should be able to get at least 15 to 30 years out of our reserves because we’re going to be able to use all the material with the McLanahan wash plant. ”

Hess describes McLanahan’s service as “very prompt” and says he is “overall very satisfied and very pleased” with the manufacturer’s equipment and on-site support.

“What I love most about McLanahan equipment is the reliability and quick support you get from them,” says Beimer. “Any question or problem we had, they are quick to give us help and support.”

Information for this article courtesy of McLanahan Corp.

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