During which phase of the paving process is field inspection most critical?

Field inspection is most critical throughout the paving process because it ensures that quality and specifications are maintained at every stage of the operation. This continuous monitoring helps to identify and rectify any issues in real-time, such as the mix temperature, compaction, and material properties. Immediate feedback during paving allows for adjustments to be made on the spot, which is vital for achieving the intended performance and longevity of the pavement.

Inspecting only after the project is completed would miss out on addressing problems that could have been corrected earlier, leading to potential failures or poor quality. Likewise, conducting inspections only before the paving work begins does not account for the dynamic conditions during actual work, such as changes in weather or equipment performance. Inspecting after the asphalt has cooled does not allow for any adjustments or improvements to be made, which could compromise the final outcome. Thus, continuous field inspection is essential for ensuring the overall success and durability of the paving project.