How often should rebar be inspected for quality control on-site?

Reinforcing bars, or rebar, are critical components in concrete structures, providing tensile strength to the overall structure. Inspecting the rebar before each concrete pour ensures that it meets the necessary quality standards and specifications set for the project. This inspection allows for a thorough assessment of the rebar's physical condition, alignment, and compliance with design requirements, including checking for proper spacing, support, and coverage.

Conducting the inspection right before the concrete is poured is crucial because it is the last opportunity to identify any issues that could affect the integrity of the reinforced concrete. If any defects or non-compliance are found during this inspection, they can be addressed immediately, preventing potential failures or structural weaknesses after the concrete is set.

While daily inspections and weekly checks could contribute to quality control, they do not provide the specific assurance needed just before the critical process of concrete pouring. Post-installation inspections alone would not allow for timely rectifications, placing the entire structure at risk if undetected problems are present. Therefore, inspecting rebar right before each pour is the most effective practice to ensure quality and safety in reinforced concrete construction.