i, iii and iv

ii and iii

i and ii

ii, iii and iv

The building would potentially cause serious environmental degradation in the area

The initial aperture design resembled the Japanese flag

The project was delayed and over budget

Poor health and safety records, especially among migrant workers

A significant historic building was demolished in the beginning of the project

A steel H pile

A large caisson pile

A timber pile

A CFA pile

A bored pile

One O-cell can be used repetitively to test other piles

The pile can be tested until it reaches its limit

It requires less space than the Kentledge test

Cheaper and faster that the Kentledge test

High energy is isolated in the ground, thus leading to better safety

Height from ground to architectural top

Height from ground to the highest floor

Height from the lowest structural element (excluding foundation) to structural top

Height from basement to tip

A tower does not have a permanent occupiable area

A tower does not have certain services, such as mechanical and electrical, as expected in a high-rise building

A tower does not have a façade system as expected in a high-rise building

A tower has a purpose that is different from high-rise buildings, such as being used as a telecommunication tower

In a tower, less than 50% of its height is occupiable

Materials, depth, price

Depth, load transmission, price

Materials, load transmission, displacement caused

Load transmission, construction methods, depth

Materials, displacement caused, price

75%

85%

90%

95%

80%