Answer / rahul attarkar

PCC used as bed concrete to level the undular surface of excavated soil. it provide firm surface to the foundation built over it for better load transfer.

Answer / khursheed

PCC is done
1-To provide a plain surface as foundation bed
2- To provide a barrier between the soil & concrete
3-To provide to distribute the foundation load uniformly to soil up to some extent.

Answer / samiullah

To avoid the corrosion against the soil when steel get contact with soil reaction starts that is the reason pcc is laid

Answer / syed ishaque

Due provide firm, rigid and impervious surface to foundation to avoid slurry loss,provide safety to concrete and steel from errosion, corrosion and sulphate attacks.

Answer / alan savio

It is only a protection layer for RCC from earth surface. You can also lay a polythene sheet over PCC to avoid slurry lose from RCC. 

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