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National Institute of Standards and Technology Final Plan: National Building and Fire Safety Investigation of the World Trade Center Disaster (NIST SP 1000-1)



Sivaraj Shyam-Sunder


This document describes the goals, objectives, and guiding principles for the NIST-led investigation of the WTC disaster. The NIST investigation plan includes eight projects that provide the focus for the technical work. Project 1 is an analysis of building and fire codes and practices. Project 2 is the baseline structural performance and aircraft impact damage analysis, project 3 is the mechanical and metallurgical analysis of structural steel, and project 4 is the investigation of active fire protection systems. Project 5 involves the reconstruction of thermal and tenability environment, project 6 is structural fire response and collapse analysis, project 7 involves occupant behavior, egress, and emergency communications, and project 8 covers fire service technologies and guidelines. The plan is located on at
Special Publication (NIST SP) - 1000-1
Report Number


building research, fire research, NIST investigation, World Trade Center, WTC
Created August 21, 2002, Updated November 10, 2018