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The concrete used for cement concrete roads is of grade ___________(a) M 10(b) M 15(c) M 20(d) M 35The question was posed to me by my school teacher while I was bunking the class.My doubt stems from Labour and Rate Analysis in chapter Rate Analysis, Estimation and Costing of Construction & Building Materials

Answer»

Correct OPTION is (b) M 15

The explanation: The concrete used for cement concrete roads is of GRADE M 15 using 20 mm HAND broken grade METAL. For base course, concrete of 1:4:8 is used using 40 mm HBG metal.



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