PROJECTS
The additional eco-friendly and energy-saving measures are as follows: • LED lighting are all timer- and sensor-controlled; • Heat exchange system for heated swimming pool and air-conditioning; • Harvesting rainwater for irrigation; • Swimming pool water uses copper-silver ionisation and hence can be recycled by channelling to the rainwater harvesting tank for irrigation;
• Auto-irrigation and recycling of irrigated water; • Communal urban rooftop farm; • Food waste separation from the facilities are composted and used as fertilisers for the rooftop farm;
• Low-E glass for façade windows and curtain walls.
Large sky terraces on every five floors within both towers extend the living space of residents from indoors to outdoors, creating a biophilic environment within a high-rise development. The sky terraces also break down the tall structure to a domestic scale and echoes the scale of charming Gongyi Road. Every unit is visually connected to the greenery outside of the apartment windows. The series of open yet sheltered sky gardens, terraces, balconies and planters create a breathable façade and visual interest, which could contribute once again to a lesser dependence on mechanical means for cooling and lighting, leading to less energy use.
CONSTRUCTION, BUILDING STRUCTURE, FAÇADES
The design of Sky Green has been tailored to suit the local culture and subtropical climate, as well as to ensure safety during earthquakes and typhoons. Both towers are arranged around central cores, with supporting columns along the building boundary. The structural core system comprises shear walls to ensure safety during the frequent earthquakes and typhoons. This system also allows for the extra loading of plant and soil of the building’s greenery as well as the suspended sky terraces and cantilevered balconies. During seismic activity, the ground level experiences the highest structural stress. At Sky Green, the ground level ceiling height is 4.8 metres, which is why additional reinforcement in the form of reinforced steel columns that run uninterrupted from basement level one to level two have been employed. Additionally, high-strength cement is used from basement level six to level four to guarantee that the building podium is well-equipped to handle seismic activity as well as wind forces during typhoons.
2 Diagrams illustrating eco-friendly and energy-saving measures 3 Extended balconies of planted trees and shrubs are staggered across the vertical façade
3
Photo courtesy of Golden Jade Corporation FUTURARC 37
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