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NIST urges tougher standards after World Trade Center collapse
A federal engineering agency urges cities to raise fire standards for skyscrapers and adopt new materials and fire protected elevators. NIST recommends separate stairwells and exclusive emergency elevators, notes modest cost increases for new buildings, and cites its three year study of the 110 story towers after the Sept 11 2001 attacks that killed 2749 people.
MENTIONED IN THIS ARTICLE
New York
National Institute of Standards and Technology
NIST
Shyam Sunder