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Saturday, June 26, 2021

STRUCTURAL CONCRETE (SUBSTRUCTURE) -QUALITY CONTROL CHECKLIST

A.     FORMWORK

Ensure that the soil compaction is completed and accepted.

Check the thickness of the blinding concrete to ensure it meets the specifications.

Ensure that the waterproofing membrane and protection board are installed.

Ensure that the damp-proof course is completed as per the manufacturer’s instructions (if any).

Check that the setting out, alignment, elevation, and dimensions are as per the latest approved drawing.

Ensure that the formwork is completed as per the drawing and is stable, supported, and properly braced.

Check that the formwork release agent is applied.

Ensure that the final plumb, line, and levels are in accordance with the drawing and specifications.

B.     REINFORCEMENT

Verify that the steel bars are approved.

Ensure that the radius of curvature is checked randomly for bent bars as soon as they are received on site, or ensure that a random check is done if a steel yard is available on-site.

Check that the reinforcing bars are cut to the correct sizes, tied at the correct spacing, and placed as per the drawing.

Check that all embedded items (e.g., HD bolts, sleeves, conduits) and concrete covers are in place as per the specifications and drawing.

Check that the starter bars are in place (if any).

 


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