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They've been underwater since the late 20s
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Engineering Catastrophes

They've been underwatersince the late 20s. It wasn'tjust corrosion that ledto this...

They've been underwater
since the late 20s. [narrator] It wasn't
just corrosion that led
to this tragedy, but water flowing continuously
over the gates when the spillway was in use. [Moeller] When water runs
over these gates, it creates a fair amount
of vibration

Full Transcript

00:00:01.000 --> 00:00:03.101
They've been underwater since the late 20s.
00:00:04.834 --> 00:00:07.009
[narrator] It wasn't just corrosion that led to this tragedy,
00:00:07.009 --> 00:00:11.201
but water flowing continuously over the gates
00:00:11.201 --> 00:00:13.601
when the spillway was in use.
00:00:13.601 --> 00:00:15.101
[Moeller] When water runs over these gates,
00:00:15.101 --> 00:00:17.601
it creates a fair amount of vibration.
Duration
19 seconds
Views
12
Timestamp in Movie
00:22:37
Uploaded
Oct 28, 2025
Season
6
Episode
8
Genres
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.