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[narrator] Luckily, no one was injured
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Engineering Catastrophes

Luckily, no one was injured. But in all, five homes had to be demolished as this massive...

[narrator] Luckily, no one was injured. But in all, five homes had to be demolished as this massive 125 foot sinkhole ripped apart the community. Some of the residents had been
here 20, 30 years and they'd raised
their kids here

Full Transcript

00:00:01.000 --> 00:00:03.038
[narrator] Luckily, no one was injured.
00:00:03.113 --> 00:00:06.358
But in all, five homes had to be demolished
00:00:06.433 --> 00:00:11.118
as this massive 125 foot sinkhole ripped apart
00:00:11.012 --> 00:00:12.918
the community.
00:00:12.092 --> 00:00:15.478
Some of the residents had been here 20, 30 years
00:00:15.048 --> 00:00:17.398
and they'd raised their kids here.
Duration
18 seconds
Views
13
Timestamp in Movie
00:19:18
Uploaded
Oct 28, 2025
Season
6
Episode
1
Genres
documentary
Production
Moviecoop

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Movie Summary

With access to all phases of design and a large cast of experts, some of the great failures of engineering history are uncovered.
S06 • E08 At that point, there was nothing to do - Engineering Catastrophes 00:31
At that point, there was nothing to do
S06 • E04 Was removed by explosives. - Engineering Catastrophes 00:07
Was removed by explosives.
S06 • E02 It was just impossible to recorrect. - Engineering Catastrophes 00:22
It was just impossible to recorrect.
S06 • E03 There was kind of a shrinkage and creeping of the concrete - Engineering Catastrophes 00:18
There was kind of a shrinkage and creeping of the concrete
S06 • E07 The northwestern expansion joint had failed, - Engineering Catastrophes 00:07
The northwestern expansion joint had failed,
S06 • E04 The building started moving and stopped. - Engineering Catastrophes 00:06
The building started moving and stopped.
S06 • E09 An investigation was launched, and engineers - Engineering Catastrophes 00:07
An investigation was launched, and engineers
S06 • E04 And the critical question is how much explosives - Engineering Catastrophes 00:14
And the critical question is how much explosives
S06 • E09 One potential clue was an event that - Engineering Catastrophes 00:07
One potential clue was an event that
S06 • E07 The question was what had caused it to happen. - Engineering Catastrophes 00:05
The question was what had caused it to happen.
S06 • E01 Now your home was basically a waste. - Engineering Catastrophes 00:12
Now your home was basically a waste.
S06 • E05 [narrator] Initially, speculation focused - Engineering Catastrophes 00:13
[narrator] Initially, speculation focused
S06 • E09 According to reports, a crane lifting a wall panel - Engineering Catastrophes 00:09
According to reports, a crane lifting a wall panel
S06 • E03 The problem is that it changes how concrete behaves. - Engineering Catastrophes 00:06
The problem is that it changes how concrete behaves.
S06 • E07 For a bridge such as the Nipigon River Bridge, - Engineering Catastrophes 00:09
For a bridge such as the Nipigon River Bridge,
S06 • E10 So now, you may get separation - Engineering Catastrophes 00:34
So now, you may get separation
S06 • E04 {\an8}Too many explosives would risk hurling debris around the site, - Engineering Catastrophes 00:08
{\an8}Too many explosives would risk hurling debris around t...
S06 • E02 It can handle heavy vertical loads really well. - Engineering Catastrophes 00:08
It can handle heavy vertical loads really well.
S06 • E01 [narrator] But what had caus this huge sinkhole to open u - Engineering Catastrophes 00:26
[narrator] But what had caus this huge sinkhole to open u
S06 • E03 [narrator] While the creep weakened the connections to the steel pylons, - Engineering Catastrophes 00:20
[narrator] While the creep weakened the connections to th...