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Sources: Occupational Safety and Health Administration; Mason Contractors Association of America, Algonquin, Ill.; CP staff

OSHA has moved the target for the construction industry to comply with the revised respirable crystalline silica exposure standard from June 23 to September 23, citing a need to conduct additional outreach and provide educational materials and guidance due to the unique nature of employer requirements.

Sources: Slag Cement Association (SCA), Farmington Hills, Mich.

SCA has posted for free download a calculator with which concrete producers can quantify and interpret cradle-to-gate life cycle assessments (LCA) reflecting the environmental impact of mixtures with and without slag cement. Calculations are based on the industry-average Environmental Product Declaration (EPD) for ready mixed concrete that incorporates industry-average EPDs for slag cement and portland cement in the United States. The calculator also allows users to evaluate how different concrete mixtures affect whole building impacts based on a typical case study project.

Sources: Interlocking Concrete Pavement Institute (ICPI), Chantilly, Va.; CP staff

Gross sales for segmental concrete pavement contractors in the U.S. and Canada increased 8.8 percent in 2016 over the prior year, according to the 2017 ICPI Contractor Industry Survey, prepared from responses that Columbus, Ohio, market researcher Industry Insights obtained from 218 small, mid-size and large companies.

Sources: Associated Builders & Contractors, Washington, D.C.; CP staff

The ABC-led Construction Industry Safety Coalition (CISC) recently requested the Department of Labor delay enforcement of the Occupational Safety and Health Administration’s final rule on silica exposure, effective for construction employers on June 23, 2017, and general industry employers a year later.

Sources: American Concrete Institute, Farmington Hills, Mich.

ACI introduced its 2017-2018 officers and directors during The Concrete Convention and Exposition in Detroit, led by President Khaled Awad, chairman of Beirut-based material and geotechnical consultant ACTS; Vice President Randall Poston, senior principal with Pivot Engineers in Austin, Texas; and Senior Vice President David Lange, University of Illinois professor of Civil Engineering.