Answer / pranav panchal

For sand: -


Take it in ur hand if you find more clay content in the sand then its not good for concrete work, sand must be free from grass and other impurities likes clay clots, roots, round stones.

For bricks:-

Take 2 bricks and stuck them if you get sound like ring bell then its good.

take 5 samples and leave them one by one from the height of the 1 mt, bricks must not be broken nor get cracked.


For aggregate:-

Must not be more flaky, rounded, must have angular corners and must be free from the dust

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