September 11th

December 9, 2002 Progress Report on the NIST Building and Fire Investigation into the World Trade Center Disaster
NISTIR 6942  b03040
Shydam Sunder, National Institute of Standards and Technology (NIST)
December 2002
Posted:  September 5, 2011

December 2003 Public Update on the Federal Building and Fire Safety Investigation of the World Trade Center Disaster
NIST Special Publication 1000-4  f03064
Shyam Sunder, National Institute of Standards and Technology (NIST)
December 2003
Posted:  September 5, 2011

Text Changes to the NIST Reports of the Federal Building and Fire Investigation of the World Trade Center Disaster, NCSTAR 1A, NIST NCSTAR 1-9, and NIST NCSTAR 1-9A
National Institute of Standards and Technology (NIST)
January 2009
Posted:  August 28, 2011

Final Report on the Collapse of World Trade Center Building 7
NIST NCSTAR 1A
National Institute of Standards and Technology (NIST)
November 2008
Posted:  August 27, 2011

Structural Fire Response and Probable Collapse Sequence of World Trade Center Building 7
NIST NCSTAR 1-9
National Institute of Standards and Technology (NIST)
November 2008
Posted:  August 28, 2011

Global Structural Analysis of the Response of the World Trade Center Building 7 to Fires and Debris Impact Damage
NIST NCSTAR 1-9A
National Institute of Standards and Technology (NIST)
November 2008
Posted:  August 28, 2011

Applying the lessons of September 11, 2001 to the built environment
Richard W. Bukowski, NIST Building and Fire Research Laboratory
2005
Posted:  August 30, 2011

Final Report on the Collapse of the World Trade Center Towers
NIST NCSTAR 1
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 27, 2011

Design and Construction of Structural Systems
NIST NCSTAR 1-1A
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 27, 2011

Comparison of Building Code Structural Requirements
NIST NCSTAR 1-1B
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 27, 2011

Maintenance and Modifications to Structural Systems
NIST NCSTAR 1-1C
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 27, 2011

Fire Protection and Life Safety Provisions Applied to the Design and Construction of WTC 1, 2 and 7 and Post-Construction Provisions Applied After Occupancy
NIST NCSTAR 1-1D
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 27, 2011

Comparison of Codes, Standards, and Practices in Use at the Time of the Design and Construction of World Trade Center 1, 2, and 7
NIST NCSTAR 1-1E
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 27, 2011

Comparison of the 1968 and Current (2003) New York City Building Code Provisions
NIST NCSTAR 1-1F
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 27, 2011

Amendments to the Fire Protection and Life Safety Provisions of the New York City Building Code by Local Laws Adopted While WTC 1, 2, and 7 Were In Use
NIST NCSTAR 1-1G
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 27, 2011

Baseline Structural Performance and Aircraft Impact Damage Analysis of the World Trade Center Towers
NIST NCSTAR 1-2
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Reference Structural Models and Baseline Performance Analysis of the World Trade Center Towers
NIST NCSTAR 1-2A
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Analysis of Aircraft Impacts into the World Trade Center Towers
NIST NCSTAR 1-2B
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Appendices
NIST NCSTAR 1-2B
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Mechanical and Metallurgical Analysis of Structural Steel
NIST NCSTAR 1-3
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Contemporaneous Structural Steel Specifications
NIST NCSTAR 1-3A
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Steel Inventory and Identification
NIST NCSTAR 1-3B
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Damage and Failure Modes of Structural Steel Components
NIST NCSTAR 1-3C
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Mechanical Properties of Structural Steels
NIST NCSTAR 1-3D
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Physical Properties of Structural Steels
NIST NCSTAR 1-3E
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Active Fire Protection Systems
NIST NCSTAR 1-4
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Post-Construction Fires prior to September 11, 2001
NIST NCSTAR 1-4A
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Fire Suppression Systems
NIST NCSTAR 1-4B
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Fire Alarm Systems
NIST NCSTAR 1-4C
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Smoke Management Systems
NIST NCSTAR 1-4D
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Reconstruction of the Fires in the World Trade Center Towers
NIST NCSTAR 1-5
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 27, 2011

Visual Evidence, Damage Estimates, and Timeline Analysis
NIST NCSTAR 1-5A
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Chapter 9-Appendix C
NIST NCSTAR 1-5A
National Institute of Standards and Technology (NIST)
Posted:  August 28, 2011

Appendices D-G
NIST NCSTAR 1-5A
National Institute of Standards and Technology (NIST)
Posted:  August 28, 2011

Appendices H-M
NIST NCSTAR 1-5A
National Institute of Standards and Technology (NIST)
Posted:  August 28, 2011

Experiments and Modeling of Structural Steel Elements Exposed to Fire
NIST NCSTAR 1-5B
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 27, 2011

Fire Tests of Single Office Workstations
NIST NCSTAR 1-5C
National Institute of Standards and Technology (NIST)
Posted:  August 27, 2011

Reaction of Ceiling Tile Systems to Shocks
NIST NCSTAR 1-5D
National Institute of Standards and Technology (NIST)
Posted:  August 27, 2011

Experiments and Modeling of Multiple Workstations Burning in a Compartment
NIST NCSTAR 1-5E
National Institute of Standards and Technology (NIST)
Posted:  August 27, 2011

Computer Simulation of the Fires in the World Trade Center Towers
NIST NCSTAR 1-5F
National Institute of Standards and Technology (NIST)
Posted:  August 27, 2011

Fire Structure Interface and Thermal Response of the World Trade Center Towers
NIST NCSTAR 1-5G
National Institute of Standards and Technology (NIST)
Posted:  August 27, 2011

Structural Fire Response and Probable Collapse Sequence of the World Trade Center Towers
NIST NCSTAR 1-6
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Passive Fire Protection
NIST NCSTAR 1-6A
National Institute of Standards and Technology (NIST)
Posted:  August 27, 2011

Fire Resistance Tests of the Floor Truss Systems
NIST NCSTAR 1-6B
National Institute of Standards and Technology (NIST)
Posted:  August 27, 2011

Component, Connection, and Subsystem Structural Analysis
NIST NCSTAR 1-6C
National Institute of Standards and Technology (NIST)
Posted:  August 27, 2011

Global Structural Analysis of the Response of the World Trade Center Towers to Impact Damage and Fire
NIST NCSTAR 1-6D
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Occupant Behavior, Egress, and Emergency Communications
NIST NCSTAR 1-7
National Institute of Standards and Technology (NIST)
Posted:  August 27, 2011

Analysis of Published Accounts of the World Trade Center Evacuation
NIST NCSTAR 1-7A
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Technical Documentation for Survey Administration:  Questionnaires, Interviews, and Focus Groups
NIST NCSTAR 1-7B
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

Appendices A-L
NIST NCSTAR 1-8
National Institute of Standards and Technology (NIST)
September 2005
Posted:  August 28, 2011

World Trade Center Investigation Status
Shyam Sunder, National Institute of Standards and Technology (NIST)
October 19, 2004
Posted:  August 27, 2011

WTC Towers:  Innovative Design and Structural Modeling
H. S. Lew and Fahim Sadek, National Institute of Standards and Technology (NIST)
October 2004
Posted:  August 27, 2011

Skyscrapers’ Supporters Infuriated by Fire Fearmongers
Nadine M. Post, Engineering News-Record
June 7, 2004
Posted:  August 27, 2011