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Pit & Quarry

Laser alignment

Laser alignment The Rotalign Ultra laser alignment system from Ludeca Inc. features a large, scratchproof, backlit color screen and backlit keyboard for any working condition. It guides the user through any alignment task, from simple pump/motor through complex machine trains of up to 14 machines. The Ultra uses patented, single-beam technology with a five-axis, two-plane […]

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Pit & Quarry

Cement shortages threaten construction market

Cement shortages threaten construction market A surge in construction activity coupled with limited shipping availability for imported cement is squeezing cement supplies in some areas of the United States, particularly in Florida, according to a report from the Portland Cement Association (PCA). “There are two root causes for the cement shortage,” says PCA Chief Economist […]

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Pit & Quarry

The big time

The big time Darren Constantino Outside of town on Route 23, a sign reads “Rogers City, Michigan Home of the World’s Largest Limestone Quarry.” A little farther along, Quarry View Road leads to a lookout point, and it is there that the true immensity of this operation begins to sink in. Spanning more than 180 […]

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Pit & Quarry

A better motorbase for Granite Construction

A better motorbase for Granite Construction – TechWatch: cutting-edge solutions; separator screens The on-board data logger captures and stores up to 10,000 hours of data. User-friendly software quickly translates the data into charts, graphs and reports. In the high desert of Arizona, a problem was plaguing the plant superintendent at the Swan Plant in Tucson, […]

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Pit & Quarry

Terex Corp. announces that it has signed an agreement to purchase the Reedrill division of Metso Corp

Terex Corp. announces that it has signed an agreement to purchase the Reedrill division of Metso Corp * Terex Corp. announces that it has signed an agreement to purchase the Reedrill division of Metso Corp. COPYRIGHT 2005 Advanstar Communications, Inc. COPYRIGHT 2005 Gale Group

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Pit & Quarry

Civil procedure, part one

Civil procedure, part one Michael T. Heenan The term “civil procedure” refers to the rules that have been developed for civil actions including suits between private parties and government agencies. Civil cases include all cases that are not criminal prosecutions. Up through the 1800s, there was often a division of civil courts based on the […]

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Pit & Quarry

The way to convey: Youngquist Brothers installs 8,000 ft. of conveyors at its new Ft. Myers, Fla., plant

The way to convey: Youngquist Brothers installs 8,000 ft. of conveyors at its new Ft. Myers, Fla., plant Chad A. Dorn Youngquist Brothers Inc., based in Ft. Myers, Fla., is perhaps best known as the largest deep-injection well contractor in the United States. But about six years ago, they recognized the need for high-quality, low-cost […]

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Pit & Quarry

Test sieves

Test sieves CSC Scientific, booth C7909, will be exhibiting four primary products. These products are the Endecotts certified test sieves, Octagon digital sieve shaker, EFL 2000/2 shaker, and Powermatic shaker. Endecotts test sieves provide accurate, dependable results for precise particle size analyses. The Octagon digital sieve shaker for laboratory or on-site use provides precise particle […]

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Pit & Quarry

$375 billion highway funding bill introduced in U.S. House – National affairs: key issues

$375 billion highway funding bill introduced in U.S. House – National affairs: key issues – Brief Article Bipartisan legislation that will significantly increase highway and transit funding in all 50 states over the next six years and create 1.7 million new jobs was officially introduced in the U.S. House of Representatives. The Transportation Equity Act: […]

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Pit & Quarry

What’s better: horizontal or incline?

What’s better: horizontal or incline? Ron Kuehl The specific application often determines whether horizontal screens or incline screens should be used at an aggregates plant. Following is a look at the advantages and disadvantages of each. The major benefits to using horizontal (flat) vibrating screens compared to incline screens: The major benefits of horizontal screens […]