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The investigation report says there was lead caulking that was
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Engineering Catastrophes

The investigation report saysthere was lead caulking that was put between the valveand the...

The investigation report says
there was lead caulking that was put between the valve
and the pipe, and that lead caulking was
supposed to be put in hot so it would seal really well

Full Transcript

00:00:01.000 --> 00:00:04.934
The investigation report says there was lead caulking that was
00:00:05.000 --> 00:00:06.734
put between the valve and the pipe,
00:00:06.834 --> 00:00:09.634
and that lead caulking was supposed to be put in hot
00:00:09.701 --> 00:00:11.834
so it would seal really well.
Duration
13 seconds
Views
18
Timestamp in Movie
00:30:28
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 • E07 If you have balconies that have the -- have the structure - Engineering Catastrophes 00:14
If you have balconies that have the -- have the structure
S06 • E01 [narrator] Valencia's stand out structure was facing disaster - Engineering Catastrophes 00:22
[narrator] Valencia's stand out structure was facing...
S06 • E04 {\an8}You have to damage part of the structure - Engineering Catastrophes 00:15
{\an8}You have to damage part of the structure
S06 • E03 If a weak spot in the tunnel is missed during monitoring, - Engineering Catastrophes 00:09
If a weak spot in the tunnel is missed during monitoring,
S06 • E09 They lined the joints or seams with molten lead, and as - Engineering Catastrophes 00:11
They lined the joints or seams with molten lead, and as
S06 • E07 NARRATOR: If not properly sealed against water, - Engineering Catastrophes 00:12
NARRATOR: If not properly sealed against water,
S06 • E03 In the aftermath of the disaster, 84 buildings were affected, - Engineering Catastrophes 00:16
In the aftermath of the disaster, 84 buildings were affec...
S06 • E04 [narrator] But the source of the corrosion remained a mystery. - Engineering Catastrophes 00:15
[narrator] But the source of the corrosion remained a myster...
S06 • E10 [narrator] But sway wasn't the only problem concerning residents, - Engineering Catastrophes 00:31
[narrator] But sway wasn't the only problem concerning ...
S06 • E09 BAKER: They hired a metallurgist, who said that - Engineering Catastrophes 00:07
BAKER: They hired a metallurgist, who said that
S06 • E06 [Nehemiah] This sounds like a disaster movie, but the threat is very real. - Engineering Catastrophes 00:13
[Nehemiah] This sounds like a disaster movie, but the threat...
S06 • E07 {\an8}With cantilevers, where if that's not properly constructed, - Engineering Catastrophes 00:18
{\an8}With cantilevers, where if that's not properly co...
S06 • E09 According to investigation report, - Engineering Catastrophes 00:06
According to investigation report,
S06 • E05 [narrator] Driven deep into the ground, - Engineering Catastrophes 00:20
[narrator] Driven deep into the ground,
S06 • E02 [narrator] The concrete and mesh base w built up with modern fill - Engineering Catastrophes 00:12
[narrator] The concrete and mesh base w built up with mode...
S06 • E09 They just hammered it in there between the pipe and the valve. - Engineering Catastrophes 00:06
They just hammered it in there between the pipe and the valv...
S06 • E04 But it turns out that inside this particular building, - Engineering Catastrophes 00:08
But it turns out that inside this particular building,
S06 • E06 [narrator] As the danger looms, - Engineering Catastrophes 00:19
[narrator] As the danger looms,
S06 • E09 NARRATOR: Not only was the connection vulnerable, - Engineering Catastrophes 00:14
NARRATOR: Not only was the connection vulnerable,
S06 • E04 [narrator] While examining nearly six tons of rubble, - Engineering Catastrophes 00:32
[narrator] While examining nearly six tons of rubble,