ASTM raises bar to generous threshold for C595’s ground limestone content

In a move that will provide the opportunity for the cement and concrete industries to reduce products’ carbon footprint, a proposal was approved to permit up to 15% ground limestone in blended cements under ASTM C595 (Blended Hydraulic Cements), with the resulting product characterized as limestone blended cements. Similar revisions are being made to the equivalent AASHTO standard by the…

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Ash Grove Seattle plant wins Workplace Safety Award

The Ash Grove Cement Co.’s Seattle, Wash., plant received the Association of Washington Business’ Better Workplace Safety Award from Washington Gov. Chris Gregoire (D). “We are honored that our company’s comprehensive safety program has been recognized by the Association of Washington Business,” said Plant Manager Todd Hinton. “This is an important recognition for our team’s efforts because safety is a…

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Cemex finalizes Davenport Redwood Forest property to conservation group

Houston-based Cemex USA recently finalized the $30 million sale of its approximately 8,500-acre Redwood Forest property near the Cemex Davenport cement plant to a consortium of local land trusts. The land trusts comprise the Living Landscape Initiative, a major conservation project in the Silicon Valley area. The deal follows the plant’s closure in January 2010 and guarantees the continued protection…

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Stronger 2011 construction equipment sales expected, but slower growth through 2014

Construction equipment manufacturers anticipate overall business to close out 2011 with double-digit increases over 2010 in the U.S., Canada and worldwide. Growth is expected to continue, but at a slower pace, for 2012 through 2014, according to the annual business outlook survey of Association of Equipment Manufacturers, the Milwaukee-based international trade group representing the off-road equipment manufacturing industry.

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Sustainable Development Council releases guidelines for responsible quarrying

Geneva-based World Business Council for Sustainable Development (WBCSD) recently released Guidelines on Quarry Rehabilitation, which provides practical guidance for managing the impacts of quarrying activities and ensuring that environments are properly revitalized. Led by the Cement Sustainability Initiative (CSI), the project was carried out by a group of member companies and is based on methods that they have successfully employed.

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