SFC Ollie
Still Marching
•
The probable collapse sequence for WTC 7, based on the available data and evidence, and the
computer simulations (Chapter 13); and
(My Bold)
NIST NCSTAR 1-9, WTC Investigation
693
Appendix D
H
YPOTHETICAL
B
LAST
S
CENARIOS
D.1 BACKGROUND
As part of assessing alternative hy
potheses for initiation of the collapse
of WTC 7, a hypothetical blast
event was considered. Scenarios of a hypothetical
blast event that could have occurred in WTC 7 on
September 11, 2001, were assessed, including blast locati
on, size, and timing. Identification and analysis
of hypothetical blast scenarios was conducted in thr
ee phases, with the results
from each phase being used
as input to the next phase. The three phases were:
•
Phase I: Identify hypothetical blast scenar
ios to initiate structural collapse.
•
Phase II: Assess the blast wave propagation
inside the building and the corresponding
response of the WTC 7 windows.
•
Phase III: Assess the approximate distance from the
building that the blast would have been
audible in an urban setting
(Looks like they did look at CD, and dismissed it..)
The probable collapse sequence for WTC 7, based on the available data and evidence, and the
computer simulations (Chapter 13); and
(My Bold)
NIST NCSTAR 1-9, WTC Investigation
693
Appendix D
H
YPOTHETICAL
B
LAST
S
CENARIOS
D.1 BACKGROUND
As part of assessing alternative hy
potheses for initiation of the collapse
of WTC 7, a hypothetical blast
event was considered. Scenarios of a hypothetical
blast event that could have occurred in WTC 7 on
September 11, 2001, were assessed, including blast locati
on, size, and timing. Identification and analysis
of hypothetical blast scenarios was conducted in thr
ee phases, with the results
from each phase being used
as input to the next phase. The three phases were:
•
Phase I: Identify hypothetical blast scenar
ios to initiate structural collapse.
•
Phase II: Assess the blast wave propagation
inside the building and the corresponding
response of the WTC 7 windows.
•
Phase III: Assess the approximate distance from the
building that the blast would have been
audible in an urban setting
(Looks like they did look at CD, and dismissed it..)