Industry News

ACI117 Becomes Joint Committee with ASCC

Tolerances has become a joint committee of the American Concrete Institute (ACI) and the American Society of Concrete Contractors (ASCC) of St. Louis, Missouri, according to Bruce Suprenant, technical director, ASCC. Suprenant is vice chair of this ACI technical committee, Eric Peterson, Webcor, San Francisco, California, chairs 117.

The mission of ACI 117 is to collect, develop, coordinate, and specify tolerances and related information for concrete construction and materials through liaison with other ACI committees and related industry
organizations.” ACI is the major sponsor of the joint committee and ASCC is the minor sponsor. “In addition to providing committee assistance,” Suprenant explained, “ASCC will provide technical input during document
review and will be instrumental in selecting committee leadership”.

The organizations have informally worked together on this subject for the past several years. “As an example, from 2007-2011, ASCC supported ACI 117 with an $82,000 grant to complete ACI 117.1R-14 “Guide for
Tolerance Compatibility in Concrete Construction,” says Suprenant. “Being a joint committee will provide
formal recognition to the efforts of both organizations with respect to their interests in tolerances.”

“Contractors can contribute a significant amount of data to the tolerances conversation, as they have the ability to measure their projects and share their findings,” said Peterson. “Only when we are able to determine what tolerances are practical can we accurately specify those numbers for the industry.”

The American Society of Concrete Contractors is a non-profit organization dedicated to enhancing the
capabilities of those who build with concrete, and to providing them a unified voice in the construction industry.

Members include concrete contracting firms, manufacturers, suppliers and others interested in the concrete
industry such as architects, specifiers and distributors. There are approximately 725 member companies in the United States and 12 foreign countries. For more information, visit or call the ASCC
office at (866) 788-2722.

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