09 November 2014

ONE CENTRAL PARK by Ateliers Jean Nouvel



ONE CENTRAL PARK
a project by Ateliers Jean Nouvel
Sydney, Australia, completed 2014
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One Central Park (OCP), by Ateliers Jean Nouvel, is an innovative and environmentally ambitious landmark project within the redevelopment of the Carlton & United Brewery site in Sydney. One Central Park offered Nouvel and Blanc a canvas of an entirely new scale. Here they built an integrated experience for living in harmony with the natural world.

The public park at the heart of the precinct climbs the side of the floor-to-ceiling glass towers to form a lush 21st century canopy. Using 250 species of Australian flowers and plants, the buds and blooms of the vegetation form a musical composition on the façade. Vines and leafy foliage spring out between floors and provide the perfect frame for Sydney’s skyline.

Just like Central Park New York, the 64,000 sqm park is a lush tranquil meeting place where you can unwind and relax with friends and family. Wander or cycle through its tranquil groves or simply sit on the lawns for informal al fresco dining. There are also chessboards and an open-air cinema, as well as occasional markets and music festivals. A hovering cantilever crowns the pinnacle of One Central Park. This contains the tower’s most luxurious penthouses.

Here there are a beguiling assembly of motorised mirrors that capture sunlight, and direct the rays down onto Central Park’s gardens. After dark the structure is a canvas for leading light artist Yann Kersalé’s LED art installation that carves a shimmering firework of movement in the sky. This brings a new starlit architectural shape to the One Central Park design.

The first design challenge is to give this pivotal new park a real presence at an urban scale. Because OCP is a high rise, it is possible to bring the park up into the sky along its facades and make it visible in the city at a distance. On the South side, the park rises in a sequence of planted plateaus that are scattered like puzzle pieces in randomized patterns across the facades, so that each apartment has not only a balcony, but also its own piece of the park.

At the individual scale this creates pleasant private gardens and at a collective scale, a green urban sculpture. In this way, the building offers a flower to each resident and a bouquet to the city. On the North, East and West sides, the green takes more continuous veil-like appearances with green walls, continuous planter bands and climbing vegetation. The plants deliver a message of sustainability, and because their shade reduces energy consumption for cooling and their leaves trap carbon dioxide, they also effectively make the building more sustainable.

The second design challenge arises from the tall massing along the North side of the site. In order to remediate overshadowing of the park, the volume is broken up into a lower and a taller tower. On the roof of the lower tower, 42 heliostats (sunlight tracking mirrors) redirect sunlight up to 320 reflectors on a cantilever off the taller tower, which then beam the light down into areas that would otherwise be in permanent shade.

The system adapts hourly and seasonally to the need for brightness and warmth, so that the dappled lights move on the ground in a precisely programmed choreography. At night, the heliostat becomes a monumental urban chandelier and appears in the dark sky like a floating pool of tiny LED lights that merge into a giant screen and simulate reflections of glittering harbour waters.

Four strategies to help improve Sydney’s carbon footprint have been applied: OCP creates apartments where they’re really needed, near the city’s main job market in the nearby central business district; it improves the usually poor energy performance of residential high rises to meet a rating of at least five under the Australian Green Star standards and achieve a 25% reduction in energy consumption compared to the average; a system of 5km long linear slab edge planters function like permanent shading shelves and reduce thermal impact in the apartments by up to 30%; in addition to its TriGen Power Plant, OCP feature a system of solar power.

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text and images via:
Archinect: http://goo.gl/LzFF4D



For more photos, visit this project at +@rchitecture

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