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听	Flat slab	Concrete on metal decking	Columns	Beams	Walls
听	拢/尘3	拢/尘3	拢/尘3	拢/尘3	拢/尘3
C40 concrete	125-140	125-140	150-160	145-150	140-150

听	Cost 拢/m2
Soffit of slabs	35-40
Walls	45-52
Beams	45-55
Columns	45-80