Jeff Ostroff analyzes the latest NIST engineering investigation updates into the Champlain Towers South Condo collapse in Miami, FL. This engineering update was a public meeting of The National Construction Safety Team (NCST) Advisory Committee on March 7, 2024. NIST leadership updated the committee on the progress of NCST investigations focused on the Champlain Towers South partial building collapse that occurred in Surfside, Florida on June 21, 2021.

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They also uncovered 2 new security camera videos and those will be analyzed here for clues leading to the root cause of this Miami condo collapse.

00:00 Introduction to NIST Investigation of Champlain Towers Condo Collapse
00:46 Security camera video of Surfside Condo Collapse
01:30 NIST Official video timeline of condo collapse
02:17 FBI analysis of cell phone video of garage collapse
05:07 Upper floor corridor security camera video analysis
07:42 NEW security camera video of beach access walkway from 87 Park
10:28 Ribg camera video from Unit 711 captures condo collapse
11:41 Security cam video from south face camera on 87 Park condo
16:05 Witness accounts of Champlain Towers Condo collapse
18:18 Structural code checks: does the as-built condo meet the building code?
21:56 Materials testing: Corrosion and structural steel from debris
22:48 Structural testing and loading of columns and slabs
25:13 Analyzing 9.1 row columns along the tower's south edge
26:55 Post-collapse site investigations and Frankie Pile testing
27:44 Did the condo collapse initiate in the pool or in the tower?
28:49 Past drainage and garage water leak issues
30:12 Pool deck planter locations floorplans vs actual
30:39 Tell tale punching shear failures weeks before condo collapse
31:19 Weaker concrete in floor slabs than in columns
31:53 Final schedule