Bank of America Plaza

Bank of America Plaza is a 72-story, late-modernist skyscraper located in the Main Street District of downtown. It is the tallest skyscraper in the city, the 3rd tallest in Texas and the 22nd tallest in the United States. The building was designed by JPJ Architects and developed by Bramalea of Toronto. Construction commenced in 1983 and the tower was completed in 1985. Because the building's outline is accented at night by green argon lighting that runs along all of the building's edges, it is known informally as "The Green Building" The development was originally called the Dallas Main Center, then Interfirst Bank Plaza, next Republic Bank Plaza, then First Republic Bank Plaza, followed by NCNB Plaza, NationsBank Plaza, and finally Bank of America Plaza in 1998. It was the only tower built out of an original four-tower plan, one of which was a twin to the original tower that would have been illuminated with purple neon. The top two floors functions as a broadcast communications tower using the building itself as a broadcast tower structure. ABC, CBS, NBC, FOX and WB-TV operate television transmission facilities on the 72nd floor and 74th level roof as well as most federal law enforcement agencies. All point-to-point microwave and fixed-service antennas are concealed within a specifically designed glass communications parapet on the top floor. The base of the 73rd floor parapet opens to the 72nd floor data and communications center below allowing for easy and safe access during installation and servicing of wireless devices. It also protects the hardware from weather. The building operates a sophisticated In-Building Distributed Antenna System as well as a shared tenant data center. James T. Chiles designed this innovative feature in 1984 and went on to develop television broadcast towers in cities worldwide.

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