Confined spaces in construction are a potentially hazardous but unavoidable part of the job. Confined spaces can be large or small and come in any shape,1 but they must meet three OSHA criteria.

For well over a century, the U.S. Bureau of Labor Statistics (BLS) has collected data and published reports on occupational injuries, illnesses, and fatalities. As a result, the safety profession has utilized this information to drive safety metrics.