CHECK LIST FOR QUALITY CONTROL OF RCC WORKS

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CHECK LIST FOR QUALITY CONTROL OF RCC WORKS
1.
Proper grading of aggregates as per mix design. Aggregates should not be from disintegrated or soft rock. It should not contain dust, earth & sand or any other foreign matter.
2.
Proper grading of sand as per mix design. Monitor silt content and bulkage.
3.
Water for mixing and curing. Potable water should be used.
4.
Carry out slump test at regular intervals to ensure proper workability.
5.
Carry out adequate number of cube tests at 7 & 28 days. Calculate standard deviation & find out whether the cube results have failed or passed as per IS:456-2000 guide lines.
6.
Make adequate number of cover blocks & chairs as per the required clear cover of various members.
7.
Get reinforcement physical test certificate from supplier/manufacturer.
8.
Ensure that binding wires are adequately used for tying up of reinforcements.
9.
Check spacing/length of hooks and overlaps. Laps shall be staggered.
10.
Check vertical & horizontal alignment  & strength of centering and shuttering.
11.
Ensure that thickness/width of section is adequate for inserting vibrator, else inform the design office for possible revision.
12.
Ensure proper curing for required number of days. Use curing compound, if member is not easily accessible.
13.
Check that expansion/construction  joints are properly made & at correct location as per the drawings.
14.
Check size, location & orientation of cutouts, inserts & bolts.
15.
Make proper access/ walking arrangement over slab for proper inspection & to avoid any damage to reinforcements.
16.
Check adequate availability of cement, aggregate, sand, admixtures & water before commencing concreting.
17.
De-bonding compound to shuttering materials.

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