Technical Conference on the NIST Federal
Building and Fire Safety Investigation of the
World Trade Center Disaster
September 14, 2005
Project #4: Investigation of Active Fire Protection Systems
Smoke Control Systems Sub-Task (NCSTAR 1-4D)
3610 Commerce Drive, Suite 817, Baltimore, MD 21227-1652
Phone:410-737-8677 Fax:410-737-8688 Web Site:
Michael J. Ferreira, P.E.
Steven M. Strege
NIST WTC Investigation NIST WTC Investigation
Project #4: Investigation of Active Fire Protection Project #4: Investigation of Active Fire Protection
Systems Smoke Control Systems SubSystems Smoke Control Systems Sub--TaskTask
Investigate the performance of the active fire protection
systems in WTC 1, 2, and 7 and their role in fire control,
emergency response, and fate of occupa...