Which of the following is the correct order of stages of estimation of concrete roads?(a) Earthwork excavations, cement concrete for the base course (1:4:8) and cement concrete for wearing course (1:2:8)(b) Earthwork excavations, cement concrete for wearing course (1:4:8) and cement concrete for the base course (1:2:8)(c) Earthwork excavations, cement concrete for the base course (1:6:9) and cement concrete for wearing course (1:7:9)(d) Cement concrete for the base course (1:2:3), cement concrete for wearing course (2:7:9) and earthwork excavationsI had been asked this question by my school principal while I was bunking the class.The question is from Labour and Rate Analysis in section Rate Analysis, Estimation and Costing of Construction & Building Materials

Which of the following is the correct order of stages of estimation of

1.	Which of the following is the correct order of stages of estimation of concrete roads?(a) Earthwork excavations, cement concrete for the base course (1:4:8) and cement concrete for wearing course (1:2:8)(b) Earthwork excavations, cement concrete for wearing course (1:4:8) and cement concrete for the base course (1:2:8)(c) Earthwork excavations, cement concrete for the base course (1:6:9) and cement concrete for wearing course (1:7:9)(d) Cement concrete for the base course (1:2:3), cement concrete for wearing course (2:7:9) and earthwork excavationsI had been asked this question by my school principal while I was bunking the class.The question is from Labour and Rate Analysis in section Rate Analysis, Estimation and Costing of Construction & Building Materials
Answer» Right option is (a) Earthwork excavations, cement CONCRETE for the base course (1:4:8) and cement concrete for wearing course (1:2:8) To explain I WOULD say: The correct ORDER of STAGES of estimation of concrete roads is earth work excavations, cement concrete for the base course (1:4:8) and cement concrete for wearing course (1:2:8). Cement concrete road is laid over an existing Water Bound MACADAM road.

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