gregory urich's blog

Revised Comments on the Draft Report NIST NCSTAR 1-9 by Dr. Frank Greening

Comments on the Draft Report NIST NCSTAR 1-9: “Structural Fire Response and Probable Collapse Sequence of World Trade Center Building 7”, issued by NIST August 21st, 2008

(Revised and Extended Version of Comments Issued September 11th 2008)

By F. R. Greening

1.0 Introduction

A preliminary (draft) version of NIST’s final report on the collapse of WTC 7 was issued on August 21st 2008 together with a call by NIST’s Investigation Team for the submission of comments on the Draft Report from interested parties within the general public. First I wish to thank NIST for producing such a detailed technical report on the collapse of WTC 7 and secondly, I applaud NIST for allowing researchers from around the world to offer technical feedback that hopefully will be duly considered by NIST before a final version of the report is issued.

Canadian Scientist Submits Withering Critique of New NIST WTC7 Report

Dr. Frank Greening (Hamilton, Ontario, Canada) has written a withering critique of the new WTC7 report and has submitted it to NIST as public comment. If this is all NIST can come up with after 7 years, the assisted collapse (demolition) hypothesis becomes all the more relevant.

Read Dr. Greening's critique at The 9/11 Forum

"In reading the Draft WTC 7 Report a number of issues emerge that are crucial to the credibility of NIST’s proposal as to how and why building 7 collapsed on September 11th, 2001. These key issues center on the narrative surrounding the ignition of the fires in WTC 7 and the spreading of these fires within the building prior to its collapse. The accuracy of NIST’s account of what transpired within the confines of building 7 during 9/11, is vital to NIST’s entire WTC 7 Report because it provides the basis for the computer modeling/simulation of the heating of structural elements on the fire-affected floors, which in turn, leads to NIST’s proposed collapse initiation and propagation mechanism.

In the following comments I will attempt to address each of the key topics - fire ignition and spreading, fire intensities and durations, structural heating, collapse initiation and propagation – and in so doing, highlight my concerns or objections to NIST’s position on these topics as presented in its Draft WTC 7 Report."

Continued...
http://the911forum.freeforums.org/withering-critique-of-the-new-wtc7-report-t44.html#341