Supertall buildings call for creative vertical transportation strategies. Hitachi Ltd. and its Hitachi Elevator Co. Ltd. division have annouced that they will build and install 95 elevators—including two that the manufacturer labels as the "world's fastest"—for the Kohn Pedersen Fox-designed Guangzhou CTF Finance Center, which will be 530 meters (1,738 feet) tall.
The two super-speedy units are designed to ascend at rates of up to 1,200 meters per minute, or about 45 mph, with a rated descent speed of 600 meters per minute. The contract also calls for 23 double-deck models running at up to 540 meters per minute, 13 ultra-high-speed units running at up to 600 meters per minute, and an assortment of medium- and low-speed elevators.)
The fastest elevators will travel a shaft height of 440 meters (from the first to the 95th floor) in about 43 seconds. The design includes a permanent magnet synchronous motor, a compact traction machine (achieved through reducing rope diameters, presumably with the aid of advanced materials), high-capacity inverters, braking materials with high heat resistance (withstanding temperatures exceeding 550°F), and a governor that is designed to control various rated speeds during ascent and descent. Active guide rollers will detect warping in the guide rails and lateral vibration caused by wind pressure, helping to ensure a smoother ride. Hitachi has also devised proprietary air pressure adjustment technology intended to help prevent the common sensation of ear blockage caused by pressure changes.
The upscale mixed-use skyscraper will encompass office, hotel, and residential space, and will be the tallest structure in Guangzhou. A 2016 completion date is planned.
Hitachi's experience with vertical transport for tall buildings includes a unit installed in Tokyo's Kasumigaseki Building in 1968—the world's fastest elevator at the time, at 300 meters per minute. The firm operates a 213-meter-tall research tower specifically for elevator development and testing.
For more, see Hitachi's original release.
Related Stories
| Feb 29, 2012
Construction begins on Keller Army Community Hospital addition
The 51,000 square foot addition will become the home for optometry, ophthalmology, physical therapy, and orthopedics clinics, as well as provide TRICARE office space.
| Feb 29, 2012
Carvalho appointed Shawmut Safety Director
He has been a driving force behind multiple safety-orientated initiatives at Shawmut, including Safety Week, the creation of an online safety manual, and the implementation of a new safety reporting and tracking system.
| Feb 29, 2012
Shepley Bulfinch selected to design new Children’s Hospital of Buffalo
The firm was selected because of their past experience in designing clinically complex facilities that emphasize patient- and family-centered care and operational efficiency as well as distinctive architectural forms for many other children's and women's hospitals.
| Feb 28, 2012
Roofing contractors recognized for workmanship
Sika Sarnafil announces Project of the Year winners; competition highlights visually stunning, energy efficient, and sustainable roofs.
| Feb 28, 2012
Waste Management awards companies for sustainable construction
This recognition, highlighting sustainable performances within the construction industry, looks to celebrate the builders who achieved important sustainability milestones in 2011, as determined by Waste Management’s online Diversion and Recycling Tracking Tool.
| Feb 28, 2012
Salem State University Library & Learning Commons topped off
When it opens to students in the fall of 2013, the $60 million facility will offer new archival space; circulation and reference areas; collections; reading spaces; study rooms; instruction labs and a Dean’s suite.
| Feb 28, 2012
More than 1,000 have earned EDAC certification since 2009
Milestone achieved as evidence-based design becomes a top 2012 strategy for healthcare organizations.
| Feb 28, 2012
McCarthy completes second phase of San Diego’s Scripps Hospital
Representing the second phase of a four-phased, $41.3 million expansion and remodeling project, the new addition doubles the size of the existing emergency department and trauma center to encompass a combined 27,000 square feet of space.
| Feb 28, 2012
LUMEnergi names Weinbaum president and CEO
Weinbaum’s experience spans communications, nanotechnology, electronics components, consumer products, semiconductors, software, wireless and lighting.
| Feb 28, 2012
Griffin Electric completes Medical University of South Carolina project
The 210,000-sf complex is comprised of two buildings, and houses research, teaching and office areas, plus conference spaces for the University.
