- Author
- Keough, R. J. | Grill, R. A.
- Title
- Fire Alarm Systems. Federal Building and Fire Safety Investigation of the World Trade Center Disaster.
- Coporate
- Rolf Jensen and Associates, Inc., Deerfield, IL
- Report
- NIST NCSTAR 1-4C, September 2005, 148 p.
- Keywords
- World Trade Center | high rise buildings | building collapse | disasters | fire safety | fire investigations | terrorists | terrorism | fire alarm systems | fire protection | smoke detection | voice communication | communication networks | emergency response | bombs (ordnance)
- Identifiers
- World Trade Center (110-story-high) Towers, Manhattan, New York, September 11, 2001; normal operations and fire emergency response; original fire alarm system prior to the 1993 bombing and modifications subsequent to 1993; fire alarm system design, equipment, installation and performance criteria; estimates of performance of the fire alarm system on September 11, 2001
- Abstract
- This report was prepared to support the investigation of active fire protection systems as part of the National Institute of Standards and Technology (NIST) World Trade Center (WTC) Investigation. The purpose of this report is to document the design, installation, and modifications to the fire detection and alarm system for buildings 1, 2 and 7 of the WTC, including system performance during the September 11, 2001, attack.