The quality is too good for drinking.

Public's negative perception on the safety of recycled water for drinking.

The quality is slightly lower than drinking water and is more suited for industry needs.

Recycled water is not safe to be used as drinking water.

The regulation forbids the use of recycled water as drinking water.

4

3

1

2

5

Installing solar panels on the roof and surrounding retail areas

Using LED lights throughout the building

Replacing the mosaic tiles on the core with PV panels

Replacing the facade with triple glazing

Installing rainwater collecting system and water recycling facilities

81.9 m

78.6 m

85.2 m

79.2 m

75.9 m

It reduces the disruption caused by adverse weather conditions

It is prefabricated

It is placed outside the building footprint, allowing faster movement of workers

Destination control system is in place even during construction

It does not require the use of tower crane to install

180 people

150 people

200 people

160 people

250 people

75%

50%

100%

92%

80%

Installing solar panels and wind turbines to reduce energy consumption

Using green concrete instead of conventional concrete

Reusing an existing building instead of demolishing it and constructing a new building

Using a timber structure instead of concrete or steel

The lift configuration should provide sufficient transport capacity corresponding to the peak demand capacity

Should have at least three lift groups to ensure acceptable performance

Should include a certain degree of over capacity to accommodate future traffic changes as reasonably anticipated

Waiting times should be acceptable in peak periods throughout the building

In the case of maintenance, the remaining capacity should remain sufficient to deal with continued demand