Ready-Mix Concrete Quality Control Checklist

Use this Ready-Mix Concrete Quality Control Checklist to verify mix consistency, batching accuracy, delivery timing, and compliance with project specs.

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Ready-Mix Concrete Quality Control Checklist

Material Verification And Storage

Mix Design And Approval

Batching And Plant Controls

Delivery And Site Quality Checks

Sampling And Strength Testing

Documentation And Compliance

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Checklist by GoAudits.com – Please note that this checklist is intended as an example. We do not guarantee compliance with the laws applicable to your territory or industry. You should seek professional advice to determine how this checklist should be adapted to your workplace or jurisdiction.

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Ready-Mix Concrete Quality Control Checklist

Use this Ready-Mix Concrete Quality Control Checklist to verify mix consistency, batching accuracy, delivery timing, and compliance with project specs.

1. Are all materials (cement, aggregates, water, and admixtures) tested for conformance before use?

2. Are aggregates stored in separate, clean, and covered bins to prevent contamination or moisture variation?

3. Is cement stored in moisture-free silos and rotated on a first-in, first-out basis?

4. Are admixtures stored according to manufacturer recommendations and checked for shelf life?

5. Is the water source clean, potable, and free from harmful contaminants?

1. Is the mix design approved by a certified engineer or quality control technician?

2. Are mix designs reviewed regularly for performance and compliance with project specifications?

3. Are trial mixes conducted and test data maintained for each design?

4. Are mix adjustments (e.g., due to weather or slump) logged and approved through QC protocols?

1. Is batching equipment regularly calibrated and maintained?

2. Are batch weights or volumes accurately measured for each component?

3. Is the moisture content of aggregates tested and accounted for in batching?

4. Are automated batching systems monitored for correct operation and deviations?

5. Are batch records complete, including date, truck number, mix ID, and time?

1. Is concrete delivered within the specified time window from batching to placement?

2. Is the slump tested at the job site according to project requirements or standards (e.g., ASTM C143)?

3. Are concrete temperature and air content measured on-site where required?

4. Are site adjustments (e.g., water addition) controlled, recorded, and authorized?

5. Is truck cleanliness and drum rotation during transport checked before discharge?

1. Are representative samples collected per project or standard testing frequency?

2. Are concrete cylinders or cubes prepared, labeled, and cured according to standards (e.g., ASTM C31)?

3. Are samples tested at 7, 14, and 28 days or as specified for compressive strength compliance?

4. Are all test results recorded and tracked against target design strengths?

5. Are failed tests investigated and followed up with corrective actions?

1. Are all test reports, delivery tickets, and batch logs stored and accessible?

2. Are QC personnel certified and trained in relevant testing and inspection procedures?

3. Is plant production reviewed periodically for compliance with national/international standards (e.g., ASTM, ACI, BS EN)?

4. Are non-conformances and rejected loads documented with follow-up investigations?

5. Is customer feedback logged and addressed as part of continuous improvement?