Construction interests challenge OSHA silica rule on multiple fronts

Sources: Associated Builders & Contractors (ABC), Associated General Contractors of America (AGC), American Road & Transportation Builders Association (ARTBA), Washington, D.C.; National Stone, Sand & Gravel Association, Alexandria, Va.; CP staff

Seven national construction organizations, led by ABC, AGC and ARTBA, plan to join eight state affiliates petitioning the U.S. Court of Appeals for the Fifth Circuit for review of the Occupational Safety and Health Administration’s final rule on crystalline silica exposure. Released in late March, it sets a threshold of 50-micrograms per cubic meter of air, averaged over an eight-hour shift, compared to a longstanding 250-microgram level for the construction industry.

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Fresh mix moisture gauge gains added stature at bauma 2016

Sources: Messe München, Munich; Imko GmbH, Germany; CP staff

Leading into their April 11-17 namesake trade fair that drew 580,000 visitors and 3,400-plus exhibitors to Munich, bauma 2016 organizers presented Innovation Awards to six companies and research institutions. In the components category, Imko GmbH was recognized for its Sono-WZ, a hand-held device that can quickly and accurately gauge fresh-concrete moisture.

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