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For DPC at plinth level, which grade of concrete is used?(a) M10(b) M20(c) M25(d) M15This question was addressed to me during an online interview.Origin of the question is Damp Proofing in division Building Construction of Basic Civil Engineering

Answer»

Correct option is (d) M15

The explanation: Cement concrete is USED to provide DPC at PLINTH LEVEL. 38-50mm thickness of M15 (1:2:4) cement concrete is provided and it SERVES the PURPOSE under normal conditions.



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