In January of 2012 the Safety and Health Department launched several new initiatives designed to “target the deadly dozen hazardous activities that lead to fatalities and disabling injuries." The focus of this article is to highlight some of the serious hazards pertaining to structural collapse of columns due to anchor bolt failure. Information obtained from the Occupational Safety and Health Administration (OSHA) and The International Association revealed that anchor bolt failure during column erection contributed to several fatalities and serious fatalities. Following are job site illustrations and OSHA Subpart R - Steel Erection standards that depict some of the primary hazards and regulatory requirements pertaining to:
- Column-to-base plate design requiring a minimum of (4) anchor bolts;
- Notification of concrete strength from controlling contractors prior to steel erection;
- Written notification and enginner approval of modifications to anchor bolts systems;
- Column evaluation by a competent person to determine column stability.
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Contact: Steve Rank, Executive Director of Safety and Health, Iron Workers International; srank@iwintl.org or (800) 368-0105