China: Jinmao Nanjing South Hexi Yuzui Financial District

November 15, 2019

 

An international design competition has just announced  the winner for the new Jinmao Nanjing South Hexi Yuzui Financial District is Adrian Smith + Gordon Gill Architecture (AS+GG) based in Chicago and the technology for the buildings development. The development is more than 9 million square feet with a 1,600 foot tower that will be capable of harvesting rainwater thus reducing water consumption by 50%. The designers say this will reduce the buildings energy consumption "a reduced cooling load, a high-performance façade, and low-E insulated curtain-wall system to minimize solar heat gain." 

 

 

“The sustainable design of the tower was shaped through a variety of studies and models,” said AS+GG managing partner Robert Forest, FAIA in The Journal Of The American Institute Of Architects.

 

“Performance is the catalyst for the design of the form, expression, and functionality of the buildings. The towers are designed and positioned to take advantage of the winds, the sun, and even the rain in Nanjing.”

 

The Journal also reports that Harvard John A. Paulson School of Engineering and Applied Sciences and the Wyss Institute for Biologically Inspired Engineering:

 

'Have developed a new 3D printing technique called multimaterial multinozzle 3D printing (MM3D), which uses high-speed pressure valves with up to eight different ink materials to create complex shapes in a fraction of the time it usually takes to print objects.

 

Researcher Mark Skylar-Scott of Harvard:

 

"MM3D’s combination of multinozzle arrays with the ability to switch between multiple inks rapidly effectively eliminates the time lost to switching printheads and helps get the scaling law down from cubic to linear, so you can print multimaterial, periodic 3D objects much more quickly."

 

Also reported by the Journal is the testing for autonomous vehicles by Mountain View California company Nuro.

 

Nuro tells the Washington Post why it wanted to participate in the development "for the complexity of its metropolitan environment, a puzzle of independent communities, each with its own road conditions, zoning ordinances, parking rules and traffic laws."

 

Additional design features include a grant fund by Autodesk for the Associated General Contractors of America for 300 'better-fitting safety harnesses' specifically for women.

 

Autodesk Construction Solutions director Allison Scott:

 

"The construction industry agrees safety must be everyone's priority, but we also need to recognize when safety needs aren't being met for some workers,"

 

"The industry needs more people, and women must feel safe and welcome on jobsites if we want them to choose a career in construction. Ultimately, when we address safety for women, we improve safety for everyone." 

 

As for the tower itself the designers Adrian Smith + Gordon Gill Architecture describe the project:

 

"...the 860,000 sm development, which includes a new 500-meter-tall tower that will anchor the district and enhance Nanjing’s already iconic skyline. The tower will be one of the tallest in Nanjing and features a magnificent 360°, open-air observatory at the tower’s top that will be one of the highest in the world. It will also be one of the tallest buildings to achieve LEED-Gold certification when completed in 2025."

 

In addition to the 500-meter tower, the district’s master plan includes a 100-meter office tower, a 155-meter office tower, a 220-meter office tower, a 350-meter office tower, and an 86-meter-tall residential tower.

 

“It was important for the success of the district to include a supertall tower. The building will be an important focal point and add value to the surrounding development sites.

 

“...these iconic supertall structures draw business, tourism, and retail activity from all over China and the international tourist market.”

 

The development will have multiple green spaces and landscaping to promote a sense of well-being that will "improve air quality and local micro-climates."

 

As for water needs and the 'harvesting' of rain water:

 

"The tower will integrate rainwater harvesting into the sky gardens that target onsite water management at greater than 100% of rainfall. Rainwater will be collected using sponge city concepts including sub-soil collection, permeable paving, and recessed green  space. Collected water will be drained to tanks belowground level where it will be treated and stored for reuse. A 55% reduction in total indoor water use is predicted."

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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