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Chapter 7 Cast-In-Place Concrete

Cast-in-Place Concrete (CASE Guidelines)

Item

Scope

1. Mix Design

Review concrete batch tickets and verify compliance with approved mix design. Verify that water added at the site does not exceed that allowed by the mix design.

2. Material Certification

3. Reinforcement Installation

Inspect size, spacing, cover, positioning and grade of reinforcing steel. Verify that reinforcing bars are free of form oil or other deleterious materials. Inspect bar laps and mechanical splices. Verify that bars are adequately tied and supported on chairs or bolsters

4. Post-Tensioning Operations

Inspect placement, stressing, grouting and protection of post-tensioning tendons. Verify that tendons are correctly positioned, supported, tied and wrapped. Record tendon elongations.

5. Welding of Reinforcing

Visually inspect all reinforcing steel welds. Verify weldability of reinforcing steel. Inspect preheating of steel when required.

6. Anchor Rods

Inspect size, positioning and embedment of anchor rods. Inspect concrete placement and consolidation around anchors.

7. Concrete Placement

Inspect placement of concrete. Verify that concrete conveyance and depositing avoids segregation or contamination. Verify that concrete is properly consolidated.

8. Sampling and Testing of Concrete

Test concrete compressive strength (ASTM C31 & C39), slump (ASTM C143), air-content (ASTM C231 or C173) and temperature (ASTM C1064).

9. Curing and Protection

Inspect curing, cold weather protection and hot weather protection procedures.

10. Other:

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