Reply To: Engineering Prof releases draft report on 9/11 collapse of WTC Bldg 7 in NYC Latest News › Forums › Discussion Forum › Engineering Prof releases draft report on 9/11 collapse of WTC Bldg 7 in NYC › Reply To: Engineering Prof releases draft report on 9/11 collapse of WTC Bldg 7 in NYC September 6, 2019 at 15:24 #46943 Clark The stiffener plates are relevant to WTC7. I have no desire to defend NIST’s analysis of WTC7’s collapse.