Engineers: 1 of 3 Columns Caused Miami Condo Collapse

Jeff Ostroff analyzes new causes, new visuals, and engineering investigation updates from WJE engineers of the Champlain Towers South Condo collapse in Miami, FL. This engineering update was from a live webinar WJE held in which they revealed the causes of the Champlain Towers South collapse after Condo Association HOA hired them for technical expertise during the class action lawsuit after the collapse of the condo in June 24,2021, killing 98.

📺 Warning Signs: SHOCKING Condo Damage Days Before Miami Collapse
https://youtu.be/cbFPVf1qd10

📺 Champlain Towers South (Surfside, FL) Collapse Investigation from WJE:
https://www.youtube.com/watch?v=2UpjMV9PYgI

📺 NIST Public meeting videos mentioned: https://www.nist.gov/disaster-failure-studies/champlain-towers-south-collapse-ncst-investigation/public-meeting-videos

💻 Miami Herald Article "Surfside tower was flawed from day one. Designs violated the code, likely worsened collapse":
https://www.miamiherald.com/news/local/community/miami-dade/miami-beach/article253200228.html

💻 Surfside condo was ‘screaming’ as an alarming crack formed just weeks before the collapse
https://www.miamiherald.com/news/special-reports/surfside-investigation/article261372582.html#storylink=cpy

💻 An Investigation and Analysis of the 2021 Surfside Condo Collapse Collapse (Ryan L. Blanchard thesis): https://scholarworks.uno.edu/cgi/viewcontent.cgi?article=4245&context=td

00:00 3 Columns on Champlain Towers South Pool Deck
00:38 New Overlay map of Condo collapse pool deck with support columns and beams
03:07 Did the south wall cause Champlain Towers South Condo to collapse?
03:42 Pool deck slab stepdown and Beam "A" removed from 1980 floorplans
05:56 Too Large of Column Spacing? Larger tributary areas
09:06 Finding column K13.1 in condo collapse rubble, column spacing
11:14 WJE structural engineering root cause update
14:10 Miami Herald article shows cracked planters, sagging pool deck
16:17 Excessive concrete cover over rebar rods causes lower shear capacity
17:50 Analysis: Champlain Tower South pool deck was underdesigned for load
20:19 Pool deck column K13.1 had the weakest margin of safety in pool deck
20:41 Morabito Consultants engineers discovered loads on columns Row T exceeded the design