What is the primary purpose of barrier systems in excavation safety?

The primary purpose of barrier systems in excavation safety is to prevent accidental entry into dangerous areas around excavations. These systems are crucial for protecting workers, bystanders, and the general public from the hazards associated with excavated sites. By establishing clear boundaries, barriers help to minimize the risk of falls, unauthorized access, and potential injuries due to equipment operation or collapsing soil.

While other options may highlight aspects that could be perceived as benefits of barrier systems, they do not align with the fundamental safety focus that barriers serve. Enhancing aesthetic value, providing space for equipment storage, or creating a secure environment specifically for supervisors does not address the essential protective function that barriers are designed to deliver, which is to safeguard individuals from the inherent dangers present at excavation sites.