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| Economic Benefits of Steel Construction in Showroom Buildings | ||
| Factor | improvement | Economic Benefit |
| Speed of construction | 20 to 30 per cent reduction in construction time relative to site-intensive construction, depending on scale of the project . | The economic benefit depends on the business operation in terms of overall building cost, a saving of 1 per cent in interest charge, and 2 per cent in early rental or use of the space is predicted. |
| Site management costs | Site management costs are reduced because of the shorter construction period, and the packaged nature of construction process. | Site management costs can be reduced by 20 to 30 per cent which can lead to 3 to 4 per cent saving in terms of overall building cost. |
| Service integration | The integration of services in the structural zone leads to reduction of 100 to 300mm in floor to floor zone and hence to save in cladding cost. | A 5 pe rcent reduction in the floor to floor height can lead to one additional floor in 20, and to a similar reduction in cladding cost, which is equivalent to about 1 per cent in total building cost. |
| Foundation | Steel construction is less than half the weight of an equivalent concrete structure, which is equivalent to a 30 per cent reduction in overall foundation loads. | Foundation costs depends on the sub-structure and factors such as underground services and represent up to 5 per cent of the building cost. A 30 per cent reduction in foundation loads can lead to significant overall saving in terms of construction cost. |
| Column free space | Long span steel construction provides more flexible use of space, which depends on the function of the building and its future uses. | A large column in the middle of the space leads to a loss of space of approximately 1m2, which represents about 1 per cent of the floor area, and may lead to an equivalent. loss of rental income |