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The quantity of sand required for RCC (1:2:4) for 15 cubic metres of work is ___________(a) 4.76 m^3(b) 10.32 m^3(c) 8.43 m^3(d) 6.51 m^3This question was addressed to me during an online exam.I'm obligated to ask this question of Labour and Rate Analysis topic in section Rate Analysis, Estimation and Costing of Construction & Building Materials

Answer»

Correct choice is (d) 6.51 m^3

To EXPLAIN: Approximately 1.52 m^3 of dry concrete is required for 1 m^3 of WET concrete. The quantity of SAND required for RCC (1:2:4) for 15 CUBIC metres of work is [2/(1+2+4)] x 1.52 x 15 m^3 i.e. 6.51 m^3.



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