A guardrail is a physical barrier that consists of:

A guardrail is designed to prevent falls and provide safety in various work environments, particularly at elevated surfaces. It consists of several key components that work together to form a reliable barrier.

The top rail serves as the uppermost part of the guardrail system, which provides support and serves as the primary component that a person might grab onto if they are at risk of falling. It plays a critical role in heightening the perceptual barrier against fall hazards.

The midrail is placed between the top rail and the walking surface. Its function is to prevent the passage of materials or personnel through the guardrail system, further enhancing safety by reducing the risk of falling.

Posts are vertical supports that hold both the top rail and the midrail in place. They add stability and strength to the entire guardrail system, ensuring that both the top rail and midrail are secure and can withstand the pressure of an individual leaning against them.

By including a top rail, a midrail, and posts, a guardrail system effectively creates a continuous barrier that minimizes the risk of falls. This comprehensive understanding of how each component contributes to safety is key in maintaining compliance with OSHA standards and ensuring a safe workplace.