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[narrator] The dredge increased its power, in an attempt to swing away
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Engineering Catastrophes

The dredgeincreased its power,in an attempt to swing away. In the process,it began...

[narrator] The dredge
increased its power,
in an attempt to swing away. In the process,
it began sucking
the vapor cloud aboard. With the engines running, the highly volatile propane found an ignition source. That explained
the horrific
explosion and fire. But during a routine
dredging operation, why was the cutter
anywhere near a propane pipeline
in the first place

Full Transcript

00:00:01.000 --> 00:00:04.799
[narrator] The dredge increased its power, in an attempt to swing away.
00:00:04.799 --> 00:00:08.933
In the process, it began sucking the vapor cloud aboard.
00:00:09.933 --> 00:00:10.633
With the engines running,
00:00:11.005 --> 00:00:13.699
the highly volatile propane
00:00:13.699 --> 00:00:16.399
found an ignition source.
00:00:16.399 --> 00:00:19.633
That explained the horrific explosion and fire.
00:00:19.699 --> 00:00:22.333
But during a routine dredging operation,
00:00:22.399 --> 00:00:24.799
why was the cutter anywhere near
00:00:24.799 --> 00:00:27.633
a propane pipeline in the first place.
Duration
29 seconds
Views
14
Timestamp in Movie
00:08:21
Uploaded
Oct 28, 2025
Season
6
Episode
5
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 • E10 The earthquake was one of the worst disasters - Engineering Catastrophes 00:33
The earthquake was one of the worst disasters
S06 • E09 NARRATOR: While the temporary bridge was being built, - Engineering Catastrophes 00:12
NARRATOR: While the temporary bridge was being built,
S06 • E08 And for every single thing you look at to be broken. - Engineering Catastrophes 00:06
And for every single thing you look at to be broken.
S06 • E06 In Manhattan, a massive crawler crane - Engineering Catastrophes 00:19
In Manhattan, a massive crawler crane
S06 • E08 [narrator] Across Christchurch, more than 180 people died, - Engineering Catastrophes 00:38
[narrator] Across Christchurch, more than 180 people died,
S06 • E01 You know, it's just, it's just amazing what the volunteer does - Engineering Catastrophes 00:11
You know, it's just, it's just amazing what the vo...
S06 • E07 But there was another outstanding mystery. - Engineering Catastrophes 00:06
But there was another outstanding mystery.
S06 • E09 NARRATOR: In California, a crucial bridge - Engineering Catastrophes 00:07
NARRATOR: In California, a crucial bridge
S06 • E07 At the time, the plant was heavily stocked with - Engineering Catastrophes 00:05
At the time, the plant was heavily stocked with
S06 • E03 [narrator] Nearly 48 hours after the collapse, - Engineering Catastrophes 00:23
[narrator] Nearly 48 hours after the collapse,
S06 • E09 An investigation was underway to understand why it failed. - Engineering Catastrophes 00:06
An investigation was underway to understand why it failed.
S06 • E02 [narrator] And with a blowdown, that control is key. - Engineering Catastrophes 00:13
[narrator] And with a blowdown, that control is key.
S06 • E01 [narrator] With the city in mourning, - Engineering Catastrophes 00:12
[narrator] With the city in mourning,
S06 • E07 So why had the fire simmered instead - Engineering Catastrophes 00:09
So why had the fire simmered instead
S06 • E04 [narrator] The crack was in a critical girder, - Engineering Catastrophes 00:13
[narrator] The crack was in a critical girder,
S06 • E09 Civil Engineering Professor Tracy Abbot - Engineering Catastrophes 00:06
Civil Engineering Professor Tracy Abbot
S06 • E06 {\an8}And on the morning of the collapse, it was both windy and snowing. - Engineering Catastrophes 00:07
{\an8}And on the morning of the collapse, it was both windy ...
S06 • E05 [narrator] In Corpus Christi, Texas, - Engineering Catastrophes 00:20
[narrator] In Corpus Christi, Texas,
S06 • E10 [woman speaking over radio] - Engineering Catastrophes 00:12
[woman speaking over radio]
S06 • E02 So that if something does go wrong, - Engineering Catastrophes 00:12
So that if something does go wrong,