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[narrator] The investigatio discovered that on the day
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Engineering Catastrophes

The investigatio discovered that on the day of the incident, around 50 tons of ammonium...

[narrator] The investigatio discovered that on the day of the incident, around 50 tons of ammonium nitrate were stockpiled next to other chemicals in two open ended wooden bins. Dr. Christie Sayes is an associate professor of environmental science. When you start to have
contaminants added to the ammonium nitrate

Full Transcript

00:00:01.000 --> 00:00:03.398
[narrator] The investigatio discovered that on the day
00:00:03.473 --> 00:00:04.944
of the incident,
00:00:04.946 --> 00:00:08.958
around 50 tons of ammonium nitrate were stockpiled
00:00:08.096 --> 00:00:13.518
next to other chemicals in two open ended wooden bins.
00:00:15.004 --> 00:00:19.758
Dr. Christie Sayes is an associate professor of environmental science.
00:00:21.998 --> 00:00:24.358
When you start to have contaminants added
00:00:24.036 --> 00:00:25.918
to the ammonium nitrate.
Duration
27 seconds
Views
17
Timestamp in Movie
00:09:46
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 • E09 NARRATOR: In fact, decades earlier, just one storm - Engineering Catastrophes 00:12
NARRATOR: In fact, decades earlier, just one storm
S06 • E02 [narrator] In Miami, a devastating condo collaps left a community reeling. - Engineering Catastrophes 00:26
[narrator] In Miami, a devastating condo collaps left a c...
S06 • E05 And obviously, somebody made a major mistake that day - Engineering Catastrophes 00:05
And obviously, somebody made a major mistake that day
S06 • E05 [narrator] Following the tragedy, - Engineering Catastrophes 00:17
[narrator] Following the tragedy,
S06 • E07 Thankfully, here, the fire destroyed the confined space, - Engineering Catastrophes 00:08
Thankfully, here, the fire destroyed the confined space,
S06 • E04 [narrator] In 2021, a critical crack had been discovered - Engineering Catastrophes 00:26
[narrator] In 2021, a critical crack had been discovered
S06 • E09 The column was repaired, and an 8-foot-high wall - Engineering Catastrophes 00:10
The column was repaired, and an 8-foot-high wall
S06 • E10 Those expansion joints - Engineering Catastrophes 00:42
Those expansion joints
S06 • E03 [narrator] But here, shoring poles were removed - Engineering Catastrophes 00:50
[narrator] But here, shoring poles were removed
S06 • E08 So we look at the mass, add it all up - Engineering Catastrophes 00:12
So we look at the mass, add it all up
S06 • E06 [narrator] On the day of the incident, - Engineering Catastrophes 00:28
[narrator] On the day of the incident,
S06 • E07 NARRATOR: Winston-Salem had experienced a miraculous escape, - Engineering Catastrophes 00:07
NARRATOR: Winston-Salem had experienced a miraculous escape,
S06 • E09 NARRATOR: Although it worked in the short term, - Engineering Catastrophes 00:16
NARRATOR: Although it worked in the short term,
S06 • E05 {\an8}And crucially, all pipelines would need to be marked accurately, and checked. - Engineering Catastrophes 00:07
{\an8}And crucially, all pipelines would need to be marked a...
S06 • E07 Why had the fire burned for so long? - Engineering Catastrophes 00:06
Why had the fire burned for so long?
S06 • E01 For instance, dust, hay, grass, things like this. - Engineering Catastrophes 00:06
For instance, dust, hay, grass, things like this.
S06 • E08 But what's quite different about this one - Engineering Catastrophes 00:13
But what's quite different about this one
S06 • E02 But hopefully, with tighter regulations, - Engineering Catastrophes 00:28
But hopefully, with tighter regulations,
S06 • E05 Both, on the plans and in the water. - Engineering Catastrophes 00:23
Both, on the plans and in the water.
S06 • E01 Then you really start to increase its likelihood - Engineering Catastrophes 00:10
Then you really start to increase its likelihood