What should a worker inspect before entering a confined space?

Before entering a confined space, inspecting the space's shoring and support is crucial because it ensures the structural integrity of the space. In many instances, confined spaces may be subject to environmental factors that could cause walls or ceilings to collapse, posing serious hazards to workers inside. Ensuring that shoring and support systems are in place and adequate helps prevent accidents and protects the workers who enter the confined area.

While other factors—such as ventilation systems, chemical exposure levels, and lighting conditions—are also important aspects to consider, they primarily focus on different risks associated with confined space entry. For example, ventilation is essential for ensuring breathable air, chemical exposure levels address potential toxic environments, and proper lighting conditions ensure visibility. However, assessing shoring and support is fundamentally about ensuring the safety and stability of the space itself, which is the primary concern before entry.