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The Franklin Center is a 60-story supertall skyscraper in the Loop neighborhood of downtown Chicago.Completed in 1989 as the AT&T Corporate Center to consolidate the central region headquarters of the American Telephone & Telegraph Company (AT&T), [2] it stands at a height of 1,007 ft (307 m) and contains 1.7 million sq ft (160,000 m 2) of floor space. [3]
This building used the steel-frame method, innovated in Chicago. It was originally built with 10 stories, an enormous height in the 1800s, to a height of 138 feet (42 m). It was later expanded to 12 stories with a height of 180 feet (55 m). The building was demolished in 1931.
The 118-storey, 599 m (1,965 ft) Ping An International Finance Centre in Shenzhen, China, is the tallest building in the 300-599 meter "supertall" class. According to the CTBUH , a supertall building is defined as a building between 300 and 599 m (984 and 1,965 ft) in height.
Carbide & Carbon Building; Chase Tower (Chicago) Chicago Board of Trade Building; Chicago Federal Building; Chicago Mercantile Exchange Center; Citadel Center; City Hall-County Building; City Hall Square Building; Civic Opera Building; Clark Adams Building; Consumers Building; Cook County Administration Building; Crain Communications Building
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CAD standards are a set of guidelines for the appearance of computer-aided design (CAD) drawings should appear, to improve productivity and interchange of CAD documents between different offices and CAD programs, especially in architecture and engineering.
The Franklin Park Conservatory is embarking on 15 changes, including a new entrance off East Broad Street and a new visitors center, as seen in this layout of master plan changes.