Concrete Placement Checklist

Before starting of concrete casting the below items in the concrete placement checklist should be checked to be in place and should be ticked one by one:

1. The approved concrete mix design must be in hand.
2. The cement must be as per the approved mix design and fresh.
3. The cement must be stored properly inside a closed container, room or must be stored on an elevated flat form and covered properly with tarpaulin.
4. The aggregate must be as per the approved mix design and free of soil and organic matter.
5. The admixture must be as per the approved concrete mix design and the container should have label on it.
6. The water must be clean.
7. The formwork must be checked to be strong enough and the length, width and thickness must be as per the approved drawings.
8. The tests result of the reinforcement must be available on site.
9. The reinforcement must be installed as per the approved drawings and project specification.
10. The reinforcement must be clean without corrosion.
11. The spacers must be as per the approved drawings.
12. The spacing between the reinforcement bars must be as per the approved drawings.
13. The underlying layer must be compacted to the specified percentage and the test result must be present on site.
14. The under laying layer should be sprinkled by water prior to concrete casting.
15. The under laying layer should be clean and free of any loose material.
16. At least two vibrators should be available on site.
17. All the testing equipment like slump test equipment, thermometer, six 30 cm by 15 cm (12” x 6”) standard cylinders, and air meter for measuring of air content must be available on site.
18. Approved material for concrete curing (like burlap's and bags) should be available on site.
19. Professional and experienced concrete crew must be available and ready on site.
20. All concrete must be machine mixing.
21. Each batch of concrete must be poured within a maximum of 90 minutes. The time should be started from addition of water to cement.
22. All the tests (strength test, slump test, temperature measurement, Air content measurement) must be conducted as per the project specification.
23. The concrete plant or the concrete mixer must be checked properly before starting the concrete.
24. The time between the two to batch of concrete should not be greater than 30 minutes.
25. The concrete should be vibrated properly.
26. Joint location must be as per the approved drawings.