Slab size = 25×40 sqft
= 1000 sqft
Slab thickness = 150 mm
Beam size = 225mm×300mm
Volume of slab = 1000×0.5 cft
= 500 cft
Horizontal beam
volume = (length×breadth
×depth×no of beam)
= (25×0.75×(1-0.5)×4)
= 37.5 cft
Vertical beam
volume = (40-(4×0.75)×0.75×
(1-0.5)×3)
= 41.625 cft
Total slab volume = 500+37.5+41.625 cft
= 579.12 cft
Cft to m cube = 579.12÷35.315
= 16.40 m cube
Ready mix concrete
(RMC) = Rs-4500/m cube
Total concrete cost = 16.40×4500
= Rs-73800
Labour cost = Rs-750/m cube
= 16.4×750
= Rs-12300
Total slab casting
cost = 73800+12300
= Rs-86100
Note: for more information about the civil engineering watch video link below.
https://youtu.be/ftzMHZcTpN8
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