The Tower Building (at arrow) in 1901, surrounded by taller, newer buildings. (Photo credit: Library of Congress, Prints & Photographs Division, Detroit Publishing Company Collection, LC-DIG-det4a08587
The Tower Building, completed in 1889 in New York, was an 11-story (39m) early skyscraper with a hybrid frame. It was among the last tall buildings completed in the United States before the introduction of skeleton framing 1890, and attracted a great deal of attention for its extreme slenderness and its unique structural system, which is best descr...
New York City gathers one the highest concentrations of historic buildings built between 1850 to 1940 in the world, being one of the hubs for the modern architecture heritage. These buildings, some of them among the tallest, were built with design systems, materials and construction techniques which are no longer in use. The role of the preservation engineer combines the knowledge of the historic structures and buildings with the modern techniques of structural analysis and design. With the goal to maintain, adapt, and restore in the most respectful and efficient way the buildings which shapes the soul of New York City. This article aims to present the work of the preservation engineer with an introduction of the typology of the historic buildings most often found in the city, as well as exposing a brief regarding the restoration projects, the professionals, the goals, the funding, etc. Lastly two case studies are exposed.