42 PROJECT REPORT: TALL BUILDINGS
some shade and comfort in Singapore’s often hot and humid weather, this space provides separate lobbies for the offices and residential units, and leads visitors to the food centre and retail units. The City Room also “opens up into the park,” so that the internal planted ‘rainforest plaza’ connects to the landscape outside, and features a number of "activity pockets" – spaces for fitness sessions, art installations, or other community events.
© Fabian Ong
The Green Oasis The ‘Green Oasis’ contains four levels of open-air planted walkways, along which sit an open-air gym, yoga space and cafe, as well as event/meeting spaces with kitchens, and space for simply walking and enjoying the fresh air and greenery, or relaxing in hammocks. Workspace is served by ‘ideation pods,’ oval, basket-like metal structures offering a degree of privacy as well as visual connection. Brian Yang says the space “encompasses the gradient of the programme between live, work and play,” with walkways running from the cafes which are related to the serviced residences below to indoor and outdoor meeting areas – “areas that are connected to working spaces above.” The Oasis’ interconnected levels are formed by a spiralling "botanical promenade" which creates multiple viewpoints of this “vertical park,” and the city outside. By their nature, the spiral walkways create various voids, allowing the copious amounts of daylight in which is needed for the tropical planting. Trees will be allowed to grow through these apertures up to “anywhere between six and 12 metres,” says the architect. Yang comments further on the iterative, analytical design approach needed to help ensure this green space was functionally sustainable: “The voids were carefully calibrated to facilitate the maximum amount of daylight to enable the diverse range of plants to be cultivated. It’s not that easy to grow plants 15 metres inside the footprint of a tall tower.” He admits that this aspect of the design “”took a lot of effort, maybe compared to what we were initially expecting.” In structural terms, the concrete core passes through the atrium, but there are fewer steel columns here than in the levels above and below. So to support the office levels above, a steel truss structure was designed, tying the base back to the core. A similar approach is also used at the top of the serviced residences, at level 16.
WWW.ARCHITECTSDATAFILE.CO.UK ADF NOVEMBER 2021
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