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NEW ATLANTIS Inside incredible plan for FLOATING CITY with underwater streets for submarines in biggest ever man-made structure

By Anthony Blair

ASTONISHING plans for a remarkable floating city with underwater streets for submarines have been unveiled.

The designs for a floating water city project off the coast of China would be if constructed, the most ambitious urban project of all time.

The remarkable designs for the floating city off the coast of ChinaCredit: AT Design Office
Residents would be able to travel underwater between modulesCredit: AT Design Office
A central chimney would provide heat and ventilation to the floating cityCredit: AT Design Office

Plans were first released in 2015 by design agency AT Design Office, expected to be built in the Dawan District of Guangdong, Hong Kong, and Macau.

At its most basic, the city would be made up of a concrete prefabricated body 150 metres long and 30 metres wide.

Built far from the mainland, the floating city would feature a cruise port terminal for large cruise ships, a marina for small yachts, and a dock for civilian submarines.

Water and underwater highways would connect the different pods on the floating city.

AT Design Office, which has offices in England and China, was commissioned to design a floating island with an area of four square miles by Chinese construction firm CCCC-FHDI.

Although the mock-ups for the futuristic city may appear to be straight out of science fiction, they aren’t quite as far-fetched as they seem.

CCCC-FHDI has utilised the same technologies to build its remarkable 31-mile bridge connecting the three Chinese cities of Hong Kong, Macau, and Zhuhai.

“Part of that bridge is an underwater tunnel, which is joined by a 150-metre-long precast concrete box,” architect Slavomir Siska explained.

“The mega box is cast on a nearby island and floated to site before being connected,” he went on.

“We were appointed to work with the engineer to come up with a masterplan for a 10-square-kilometre floating island that can be built with the same technology,” he said.

Called Floating City, the original proposal involved a series of hexagon-shaped modules linked together to create one joined-up organism, the biggest floating structure ever built.

As well as a transport network of yachts and submarines, it would include a floating hotel and entertainment complex.

The idea is to make the city largely self-sufficient, with farms, hatcheries and rubbish collection facilities to allow it to produce its own food and dispose of waste sustainably.

Siska added: “The project offered an opportunity to develop a new urban nucleus of world-class residential, commercial and cultural facilities, as well as to promote a zero-carbon, energy-efficient and self-sufficient city.”

We were appointed to work with the engineer to come up with a masterplan for a 10-square-kilometre floating island

Slavomir Siska, Architect

Modules would be prefabricated in a factory before being floated out into the sea via a cruise dock.

Designers promised two so-called “public green belts” for recreation and sports, one on the water’s surface and one underwater.

Natural ventilation and lighting would be provided by a chimney in the centre of the vertical garden.

The amusement city would have an underwater hotel and an open stage on top.

In its promotion for the project, AT Design Office said: “Our proposed development and related infrastructure design will have a positive impact on society and the economy.

“The design will meet the needs of long-term infrastructure and sustainable development, while also bringing new opportunities for education, recreation, employment and business activities to create a vibrant, diverse and sustainable society and economy.

It isn’t clear what the future for this remarkable project will be.

The floating city was part of the 2017 Shenzhen Biennale Outer Exhibition.

With the threat of rising sea levels, many architects are turning to plans for floating cities to combat the risk to low-lying areas.

It comes as the Maldives launched its plans for the world’s first floating city in the Indian Ocean, with space for 5,000 homes.

Being built just a 15-minute boat ride from the capital Male, designers hope the city will be able to house as many as 20,000 people, with space for hotels, bars, and shops for tourists as well.

Meanwhile, designs for a floating city in South Korea were unveiled earlier this year.

The ambitious plans, Oceanix Busan, would include homes for up to 12,000 people, along with “flood-proof infrastructure that rises with the sea”.

And stunning plans for a £6.8billion turtle-shaped super-structure dubbed the terayacht have also been released.

The unique-looking vessel would be 550 metres long and 610 metres wide at its widest point.

Its peak would allow it to host up to 60,000 guests, including hotels, shopping centres, and even parks, according to Italian designers Lazzarini.

The different modules would be linked by a series of underwater bridgesCredit: AT Design Office
It would even have space for parksCredit: AT Design Office
It is hoped it would be largely self-sustainableCredit: AT DESIGN OFFICE
It is designed on the same principles as the Hong Kong–Zhuhai–Macau Bridge in ChinaCredit: Alamy

Source: NEW ATLANTIS Inside incredible plan for FLOATING CITY with underwater streets for submarines in biggest ever man-made structure-The Sun

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