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Overview. Brief HistoryCurrent StatusCurrent Role in Fire SafetyCurrent StatusStatus Circa 1965-1970Needs for Science Based Structural F.P.. History. 1890. Denver 1st fire endurance tests (floors)NYC Bldg. Dept Floor system2000 F (1093C), 5 hours150 lb/ft2 600 lb/ft2 (24 hrs)Led to re
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