The United Steelworkers Building, originally named the IBM Building and also known as the I.W. Abel Building or Five Gateway Center,[8] is a highrise office building in Downtown Pittsburgh, Pennsylvania. It was built by the Equitable Life Assurance Society in 1961–64 as part of the Gateway Center project which redeveloped a large portion of the area known as the Point. The building is listed on the National Register of Historic Places as a contributing property in the Pittsburgh Renaissance Historic District[6] and has been designated as a Pittsburgh landmark by the Pittsburgh History and Landmarks Foundation.[7]
The building was designed by Curtis and Davis, a New Orleans-based architecture firm, with structural engineers Worthington, Skilling, Helle & Jackson. The design of the building, featuring a load-bearing steel diagrid exoskeleton, was highly unusual at the time and helped pioneer the use of diagrids and framed tube construction.
^"IBM Breaks Ground For Gateway Office". Pittsburgh Press. December 5, 1961. Retrieved April 22, 2021 – via Newspapers.com.
^Thomas, George (November 9, 1962). "Ceremony 'Tops' IBM Building". Pittsburgh Press. Retrieved April 22, 2021 – via Newspapers.com.
^"IBM Building Dedication Set". Pittsburgh Press. March 17, 1964. Retrieved April 22, 2021 – via Newspapers.com.
^"United Steelworkers Building". Emporis. Archived from the original on December 8, 2015. Retrieved April 22, 2021.
^"New IBM Building Unusual Inside, Too". Pittsburgh Post-Gazette. January 11, 1964. Retrieved April 22, 2021 – via Newspapers.com.
^ ab"National Register of Historic Places Registration Form: Pittsburgh Renaissance Historic District" (PDF). National Park Service. May 2, 2013. Retrieved April 22, 2021.
^ abHistoric Landmark Plaques 1968–2014(PDF). Pittsburgh: Pittsburgh History & Landmarks Foundation. 2014. p. 19. Retrieved April 20, 2021.
^Jensen, Edward (February 19, 1964). "U.S. Steel Balks Over Name". Pittsburgh Post-Gazette. Retrieved April 26, 2021 – via Newspapers.com.
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During the 2023 season, XFL players filed a petition (through the UnitedSteelworkers) for a representation election with Region 16 of the National Labor...
even if a claim made seems frivolous. UnitedSteelworkers v. Enterprise Wheel & Car Corp. 363 US 593 (1960) United Paperworkers v. Misco, Inc. 484 US 29...
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