Brazil The picturesque morros (low, rounded hills) covered by vegetation, so common in Brazil’s eastern geography, provide cities like Río de Janeiro with an undulated landscape and imposing vistas. But many of these morros have been the settlements of so-called favelas (populous slums that are part of the urban landscape) for years. During your reporter’s…
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Magellan Development has chosen Brininstool Kerwin & Lynch to design a new rental high-rise fronting Chicago’s Wacker Drive. Currently known as “Building A,” an official name has yet to be selected for the 49-story tower. The building will have 499 apartments, 18,000 sq. ft. of retail space and 18,000 sq. ft. of amenities. Providing views…
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KONE India is to provide vertical-transportation solutions for this project, currently under construction in Mumbai. KONE India has received an order to install 10 elevators in Palais Royale, slated to be among the tallest buildings in the country at 300 meters high. Under construction in Mumbai at Worli, the tower is a modern residential building…
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The significance of the invention of the wheel and what it has meant to industrial development has rarely, if ever, been debated. Without it, we would be a relatively stagnant species, unable to stray too far from where we were born. And, the accomplishments in manufacturing, as well as in transportation (both on land and…
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This article evaluates the correlation between the ratio of sheave diameter to nominal rope diameter and rope service life. In recent years, a movement has gained ground in the elevator industry toward the introduction of more compact and smaller designs. Efforts to cut energy consumption and costs have driven down the size of individual components.…
Read More This paper looks at how accurately hoist ropes should be measured to achieve minimum wear and maximum life. There is a difference of opinion between installers on how equal hoist rope tensions need to be in order to achieve the best performance. Some believe that an engineer’s thumb is a suitable tool for judging when…
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This research examines the effects and usage of small-diameter suspension ropes. This paper was presented at Lucerne 2010, the International Congress on Vertical Transportation Technologies and first published in IAEE book Elevator Technology 18, edited by A. Lustig. It is a reprint with permission from the International Association of Elevator Engineers (website: www.elevcon.com). This paper…
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This study explores how transient vibrations arise and why rope vibrations occur. by Phil Andrew, MSc, MPhil and Stefan Kaczmarczyk, PhD Rope vibrations in an elevator system usually result in a ride quality that is unacceptable. A well-known phenomenon is “transient” vibration, which occurs at a specific point in the elevator travel, usually near the…
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Mitsubishi Electric provided vertical-transportation solutions for this mixed-use project in downtown Los Angeles. by Chris Cole and Matt Jaskiewicz It had been nearly 20 years since downtown Los Angeles had seen a bonafide skyscraper development. Though the area had grown significantly with the addition of the Staples Center, the Nokia Theater and a major expansion…
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An examination of a typical late-19th-century service proposal. Contracts and proposals for serv-ices have always been critical aspects of the elevator industry’s business operation. In a manner similar to that of today, 19th-century proposals for services provided the prospective client with the information needed to make a decision whether to purchase a given elevator. In…
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