Which systems can provide safety on construction sites involving heights and potential falls?

The selection of a combination of guardrails and safety nets is a robust approach to ensuring safety on construction sites that involve working at heights. Guardrails are a critical first line of defense, acting as a physical barrier that prevents workers from falling off elevated surfaces. Conversely, safety nets provide a secondary level of protection, designed to catch workers who may fall, reducing the chances of serious injury.

Utilizing both guardrails and safety nets creates a comprehensive safety strategy. Guardrails serve as a proactive measure to keep workers safe by physically stopping them from falling, while safety nets act as a reactive solution, providing a safety net beneath the work area to catch employees if they do fall. This layered approach addresses different scenarios and enhances overall safety by mitigating risks associated with working at heights.

Other choices, like focusing solely on personal fall arrest systems or machine guards, do not adequately cover the variety of fall hazards present in construction environments. Ground surfaces alone are not sufficient for protecting workers at heights since they do not prevent falls from occurring in the first place. Therefore, utilizing a combination of both guardrails and safety nets is essential for comprehensive fall protection on construction sites.