How much does it cost for a R.C.C roof slab of size (25 X
20) given in feets using 1:2:4 concrete mix of M20?
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Answer Posted / soumya
rate of M20 concrete per cum= Rs.2900
labour charge=250 rs
shuttering cost=300
total =2900+250+300=3450/cum
here area given as =25*0.3048*20*0.3048=46 sqm
assume roof thickness as 10 cm
there for Qty =46*0.10=4.6 cum
cost of rcc roof =4.6*3450=15870
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