CDE Screening And Cyclone Technology Benefit Canadian Plant. By Mark S. Kuhar Vicdom Sand & Gravel has been supplying a wide variety of aggregate products to customers in Southern Ontario, Canada, since 1976 from its sand and gravel pits and limestone quarry in the Kawartha Lakes, Brock Township and Uxbridge areas. With more than 1,000 acres of land licensed for…
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Martin Marietta’s Nye Looks Ahead
Aug. 1, 2023 – With the momentum of its just-reported quarterly records for revenues, profitability and unit margins, Martin Marietta Chairman and CEO Ward Nye is looking ahead to a strong finish to the year and a positive 2024. He stated, “As record-setting public funds for infrastructure and manufacturing begin to enter the U.S. economy, we continue to expect that aggregates…
Read MoreHumor Helps – Even in Aggregates
While doing some online research I came upon the website for Manchester Sand & Gravel Co. in Hooksett, N.H., part of the Boston Sand & Gravel family of companies. What caught my eye was the company’s motto: “Customer service & humor, sets us apart from the competition.” Intrigued, I reached out for more information on how humor fits into the…
Read MoreWater Management Technology
Here Are Three Companies Offering Equipment And Technology To Help You Deal With Water Issues. Mark S. Kuhar While the Western United States is making headway against years-long drought conditions – recent rains in California have helped stem the tide – aggregates producers will face long-term issues with water management, not just on the West Coast but also in many…
Read MoreTailings Management
Decanter Centrifuge Vs. Belt Press Vs. Filter Press: Which Is Best For Tailings Management? By Mark S. Kuhar All aggregate and mining operations with a wet-processing plant will produce a waste stream. This waste stream consists of tailings – the process water and fine solids, clay and other deleterious material removed during the washing process. Traditionally, these tailings are sent…
Read MoreAll Hail The Top 100
July 5, 2023 – U.S. Geological Survey Mineral Commodity Specialist Jason Willett is back with another edition of his “Top 100” lists. Nine publicly traded and four privately held companies populate the upper ranks of Willett’s new “Top 100 Crushed Stone” and “Top 100 Sand & Gravel” surveys. Based on his analysis of 2021 shipments, the top 10 producers in…
Read MoreFrom Gravel to an RV Park
July 3, 2023 – A reclaimed Doan Companies sand and gravel operation has now become Hidden Lakes RV Park, according to a story on MLive. “It’s a little off the charts for a concrete and highway construction company,” said Dennis Doan, chairman of Doan Companies, the firm he founded with his father and a partner in 1970. His company took over the former Manchester Gravel and…
Read MoreCracking the Concrete Code
New Research Develops Self-Sensing Metamaterial Concrete for Smart Infrastructure Systems. By Mark S. Kuhar Concrete is the most used material in the construction industry and dates to the Roman Empire. Engineers at the University of Pittsburgh are now reimagining its design for the 21st century. New research introduces metamaterial concrete for the development of smart civil infrastructure systems. The paper,…
Read MoreBuildex Banks on Wobbler Feeder, Roll Crushers
New Equipment Has Improved Efficiency But Also Yield At Its Dearborn, Mo., Plant. by Mark S. Kuhar Buildex, a Midwestern United States producer of expanded shale lightweight aggregate, has been producing its Haydite lightweight aggregate for more than 70 years. Buildex is a Hamm Inc. company, a division of Summit Materials. With a focus on quality, consistency and service to…
Read MoreThe Rock Products Interview: Seth Hankowski
The New NSSGA Chair Talks About The Infrastructure Investment And Jobs Act, Young Leaders And The Best Business Advice He Ever Received. By Mark S. Kuhar Rock Products: As you begin your term as chair of the National Stone, Sand & Gravel Association (NSSGA), what is the number-one thing you would like to accomplish?Seth Hankowski: I would like to use…
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