ANSI - American National Standards Institute
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Latest Findings from NIST World Trade Center Investigation Released

NIST Press Release

New York, Oct 19, 2004

The Commerce Department’s National Institute of Standards and Technology (NIST) today released the latest findings from its building and fire safety investigation into the World Trade Center (WTC) disaster of Sept. 11, 2001. These include the leading collapse sequence for each of the two WTC towers; details from the analysis of first-person interviews of nearly 1,200 WTC occupants, first responders and families of victims; and new information gleaned from the analysis of emergency response and evacuation procedures/actions.

WTC lead investigator Shyam Sunder presented the findings today at a public meeting of the National Construction Safety Team (NCST) Advisory Committee, the panel of building and fire experts established to advise NIST in its conducting of technical building failure investigations as authorized under the NCST Act. Previous WTC investigation findings, including those documented in two interim reports, are available at http://wtc.nist.gov. Sunder’s presentation today, along with the presentations of WTC investigation project leaders, may be found at the same Web address.

The NIST WTC investigation’s goal is to recommend improvements in the way people design, construct, maintain and use buildings, especially high-rises.

The findings released today still may be revised and additional findings still may be included in the team’s final report, scheduled for release as a draft document for public comment in December 2004 or January 2005. NIST is not making any recommendations at this time. All recommendations will be made in the final report.


To read the entire NIST press release, which includes key findings not previously reported by the WTC investigation team, visit http://www.nist.gov/public_affairs/releases/wtc_latest_findings_1004.htm.

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