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NARRATOR: Not only was the connection vulnerable
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Engineering Catastrophes

Not only wasthe connection vulnerable, but if a leak did start, there was nothing to...

NARRATOR: Not only was
the connection vulnerable, but if a leak did start, there was nothing to prevent
the water from eroding away the inside of the embankment, rendering the dam
structurally unsound

Full Transcript

00:00:01.000 --> 00:00:03.433
NARRATOR: Not only was the connection vulnerable,
00:00:03.005 --> 00:00:05.001
but if a leak did start,
00:00:05.002 --> 00:00:08.133
there was nothing to prevent the water from eroding away
00:00:08.002 --> 00:00:09.799
the inside of the embankment,
00:00:09.899 --> 00:00:13.001
rendering the dam structurally unsound.
Duration
14 seconds
Views
15
Timestamp in Movie
00:31:04
Uploaded
Oct 28, 2025
Season
6
Episode
9
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 • E04 [narrator] While examining nearly six tons of rubble, - Engineering Catastrophes 00:32
[narrator] While examining nearly six tons of rubble,
S06 • E03 [narrator] To finally stabilize the ground, - Engineering Catastrophes 00:15
[narrator] To finally stabilize the ground,
S06 • E02 [narrator] With the core now rock solid - Engineering Catastrophes 00:27
[narrator] With the core now rock solid
S06 • E05 [narrator] But investigators found that for unknown reasons - Engineering Catastrophes 00:25
[narrator] But investigators found that for unknown reasons
S06 • E07 NARRATOR: Whether the cladding, the beams, or both were allowing - Engineering Catastrophes 00:10
NARRATOR: Whether the cladding, the beams, or both were allo...
S06 • E01 [Brendan] The steel and the ceramic were expandi - Engineering Catastrophes 00:13
[Brendan] The steel and the ceramic were expandi
S06 • E09 But that valve was supposed to be encased in concrete, - Engineering Catastrophes 00:20
But that valve was supposed to be encased in concrete,
S06 • E07 MOTWANI: We don't know how much timber has - Engineering Catastrophes 00:06
MOTWANI: We don't know how much timber has
S06 • E06 And a fault slip rate is directly correlated - Engineering Catastrophes 00:37
And a fault slip rate is directly correlated
S06 • E03 [narrator] Eventually, the work on the tunnel extension resumed, - Engineering Catastrophes 00:27
[narrator] Eventually, the work on the tunnel extension r...
S06 • E07 NARRATOR: It seems the only real solution would be to remove - Engineering Catastrophes 00:16
NARRATOR: It seems the only real solution would be to remove
S06 • E10 [narrator] Ultimately, residents needed to know - Engineering Catastrophes 00:22
[narrator] Ultimately, residents needed to know
S06 • E09 NARRATOR: The faulty seal and lack of protective - Engineering Catastrophes 00:13
NARRATOR: The faulty seal and lack of protective
S06 • E05 [narrator] With it's foundations compromised, - Engineering Catastrophes 00:20
[narrator] With it's foundations compromised,
S06 • E04 When we build buildings, we have to wash the rocks in the concrete - Engineering Catastrophes 00:18
When we build buildings, we have to wash the rocks in the co...
S06 • E08 [narrator] The problem was in the scale - Engineering Catastrophes 00:21
[narrator] The problem was in the scale
S06 • E07 {\an8}The repair costs were estimated to - Engineering Catastrophes 00:08
{\an8}The repair costs were estimated to
S06 • E01 [narrator] But this was a tried and true technique throughout this region. - Engineering Catastrophes 00:23
[narrator] But this was a tried and true technique throug...
S06 • E07 The good news is that the damage - Engineering Catastrophes 00:07
The good news is that the damage
S06 • E09 So in embankment dams, best practice of engineers is to put - Engineering Catastrophes 00:12
So in embankment dams, best practice of engineers is to put