[SGVHAK] Fixing a high amperage underground power line

[Matthew Campbell]

Awesome.

Saturday I met one of the LADWP inspectors who's job it is to walk the
vaults in lower current versions of this with an IR gun spotting potential
problems.  Lots of really interesting stories around the campfire.

Matt



On Thu, Jun 6, 2013 at 11:57 PM, James McDuffie <mcduffie at pitfall.org>wrote:

> Here is a story I was telling some people about after the HAK meeting
> tonight. The URL and title are aptly named because it gives details on
> how the LA DWP was able to find a fault in a high amperage power line
> buried under Pershing drive and fix it. A fix that was complicated by
> the fact that taking it offline would cost the city $13,000 per hour.
> The story involves digging large holes in the street, liquid nitrogen,
> oil pumps, x-rays, welding and more.
>
> http://www.jwz.org/blog/2002/11/engineering-pornography/
>
>
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