Rebar / Impalement Protection Steel reinforcing bars, or rebar, are a common hazard on construction sites. The thin steel bars can stick out from construction projects and pose a hazard to workers who can cut or scratch themselves on the sharp ends. Workers that stumble or fall onto the exposed steel bars can be pierced or impaled on them, resulting in serious internal injuries and death. To protect workers from this hazard, OSHA requires that rebar and other projections on the worksite "be guarded to eliminate the hazard of impalement." Guarding from rebar impalement hazards must be done when workers will be...