Gross floor area ratio is always less than 1

None

Building footprint is always equal to floor area

Shift to the left when construction demand increases

Shift to the right to indicate an increase in the desire of steel suppliers to take advantage of a booming construction market

Shift to the left to indicate an increase in the desire of steel suppliers to take advantage of a booming construction market

Shift to the right when construction demand increases

The volume of the building will increase.

The gross floor area of the building will decrease.

The volume of the building will decrease. 

The gross floor area of the building will increase.

An indirect relationship exists between foundation strength and storey height of a high-rise building

A direct relationship exists between foundation strength and storey height of a high-rise building

Foundation design partly depends on the storey height.

None

The lift installation cost decreases

The unit cost of purchasing doors and windows increases

The unit cost of the roof increases

None of these.

Discounted Payback Period

Benefit-Cost Ratio

Payback Period

Net Present Value (NPV)

The gross floor area of the building will decrease.

The gross floor area of the building will remain the same.

The gross floor area of the building will increase.

The volume of the building will remain the same.

Ducting and insulation

All

Wall area

Foundation

Convexity

Concavity

Elasticity

All of these

1.95 years

2.63 years

2.15 years

2.03 years