Rock Products - The Leading Voice of the Aggregate Industries.

New Doosan Artic Hits Market

DoosanOctober 12, 2011 – Rock Products Assistant Editor Josie Smith is in the field this week at Doosan Infracore Construction Equipment's Arizona demonstration site, and today the company officially introduced the new DA40 articulated dump truck (ADT), the first in a new family of Doosan ADTs offering increased engine power and torque, higher payloads, lower fuel consumption, enhanced operator comfort and faster travel speeds.

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Tipping My Cap to the App

GraniterockOctober 11, 2011 – Graniterock is going mobile. The company has developed an iPhone application for construction calculation that can help construction engineers estimate the amount of material that will be needed for his or her construction project. The calculators are grouped into several different categories: Unit Conversion, Concrete Materials, Aggregate, Road Materials, Masonry Estimator, and Mulch.

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The Cupertino Quarry Shooting: Aftermath

LehighCement-LogoOctober 7, 2011 – It was a tragedy of unspeakable proportions, the kind that does not happen in the aggregates and cement industries. Three workers dead, six wounded, and one carjacking victim hospitalized as well. Lehigh Hanson's Permanente Cement Plant and quarry in Cupertino has challenges today and going forward different from any other aggregates or cement plant in the country.

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Quarry Shooting Suspect Killed by Police

LehighCement-LogoOctober 6, 2011 – Here is the latest update on the quarry shooting that happened yesterday at Lehigh Hanson's Permanente Cement Plant and quarry in Cupertino, Calif. Police say they have shot and killed Shareef Allman, the man suspected of the shooting rampage that left three dead and seven injured. The Santa Clara County sheriff's office said multiple shots had been fired and the suspect was killed shortly after they resumed the manhunt for him earlier today.

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Death Toll In Cupertino Now at Three

LehighCement-LogoOctober 6, 2011 – This is an update on the situation first reported here yesterday at Lehigh Hanson's Permanente Cement Plant and quarry in Cupertino, Calif. Three people are now confirmed dead, and seven more have been treated for gunshot wounds at hospitals, after an employee went on a shooting rampage. Authorities identified the dead as Mark Muñoz, 59, of San Jose, John Vallejos, 51, of San Jose, and Manuel Guadalupe Piñon, 48, of Newman, all employees of Lehigh.

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