## Mix Design amp Calculation Chart Boral

Volume of excavation rounded up to the nearest 0.01 cubic metres (m3) is given below. Volume Cubic Metre* (m3) 0.02 0.04 0.06 0.08 0.10 No of bags 3 5 7 9 11 Estimating how many 20kg bags of premix concrete to order (rounded up to the nearest full bag) * 108 x 20kg bags of Boral Cement Concrete Mix will fill 1 cubic metre (m3).

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