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NYPD Report on Protecting Buildings Adopts NIST WTC Recommendations

A recently released New York City Police Department (NYPD) report designed "to aid the New York City building community by providing information on how to prevent and mitigate the effects of a terrorist attack on a building" states that many of its guidelines incorporate recommendations and best practices developed by the National Institute of Standards and Technology (NIST). The NIST recommendations were a result of the agency's six-year investigation of the collapses of three World Trade Center (WTC) buildings following the terrorist attacks of Sept. 11, 2001. The NYPD report, Engineering Security: Protective Design for High Risk Buildings may be downloaded at Information on NIST's WTC investigation is available at For a list of the NIST recommendations for building codes and standards, see "NIST's Recommendations Following the Federal Building and Fire Investigation of the World Trade Center Disaster" at

Released July 14, 2009, Updated January 5, 2021