Building Construction Costs – Concrete – Green Titles

Building Construction Costs

Concrete

Specifications	Approx Cost
Cast in place plain concrete 15Mpa in ordinary Portland cement (including formwork)
Blinding 100mm thick under foundation	$125/m³

Specifications	Approx Cost
Cast in place concrete sulfate resistant cement 35Mpa (including formwork) reinforcement measured seperately
Isolated footings	$155/m³
Raft foundations	$140/m³
Strip footings	$155/m³
Slab on grade 150mm thick	$120/m³

Specifications	Approx Cost
Reinforced concrete in ordinary Portland cement 35Mpa (including formwork) reinforcement measured seperately
Columns	$210/m³
Circular columns	$215/m³

Specifications	Approx Cost
Reinforced concrete in ordinary Portland cement 30Mpa (including formwork) reinforcement measured seperately
Walls, 200mm thick	$275/m³
As above, 250mm thick	$265/m³
As above, 300mm thick	$255/m³
Stair flights, steps and landings	$220/m³
Solid slab, 200mm thick	$245/m³
As above, 250mm thick	$225/m³
As above, 300mm thick	$215/m³

Specifications	Approx Cost
Steel Reinforcement	$1050/ton

Specifications	Approx Cost
Reinforced concrete in ordinary Portland cement 30Mpa (including formwork, hourdi blocks, reinforcement, & casting)
Hourdi slab, 200mm thick	$115-120/m²
As above, 350mm thick	$140/m²

Specifications	Approx Cost
Precast Concrete
Precast Concrete slab 200 mm thick	$55-60/m²
Precast Concrete slab 400 mm thick	$75-80/m²