How The Towers Fell – Part 1 of 3: How the WTC Twin Towers Were Constructed & Lessons Learned From the 1993 Bombing – 1 PDH
By: Joseph Englot, PE; HNTB Corporation - jenglot@hntb.com
To understand “How the Towers Fell” we first need to examine how and why the WTC Complex and PATH Station were constructed, details of the 1993 WTC Bombing damage, the forensic Investigation by ATF & FBI, the recovery effort, and the lessons learned on improving security and emergency response at the WTC complex that was a factor during the 9-11 attack.