When must the contractor complete Concrete Aggregate Control Charts?

The requirement for contractors to complete Concrete Aggregate Control Charts on a daily basis is rooted in the need for continuous monitoring of the quality of concrete aggregates used in construction. This daily documentation is crucial for ensuring that aggregate materials meet specified standards for gradation, cleanliness, moisture content, and other parameters that directly affect the performance of the concrete.

Regularly compiling these charts allows contractors to quickly identify any variations or issues in material quality, which can be addressed in real-time, rather than only at the end of the project. By maintaining daily records, any patterns or trends in aggregate quality can be observed, enabling prompt corrective actions to be taken if any discrepancies arise. This proactive approach helps ensure the overall integrity and durability of the concrete used in construction projects.

In contrast, using less frequent intervals, such as weekly or monthly, could result in undetected issues that may negatively affect the project's outcomes. Therefore, daily completion of these control charts is essential for maintaining high standards of quality control throughout the duration of the construction process.