[HOT] Mapping high tension power lines in Nepal

Steve Bower sbower at gmavt.net
Thu May 14 14:03:05 UTC 2015

The Nepal Electric Authority would likely already have such a map, or
relevant data:

Page 106 of their annual plan has a transmission line map:

I did not find anything better in a quick search of their web site, but
they could probably provide something.


On Thu, May 14, 2015 at 7:26 AM, Jean-Guilhem Cailton <jgc at arkemie.com>

> Hi,
> As you may know, helicopters play a critical role in bringing help to
> Nepalese people affected by April 25 7.8 earthquake, and May 12 7.4
> aftershock, with roads blocked or made dangerous by landslides and
> unstable terrain.
> A USMC helicopter that was taking part in this effort is missing since
> May 12. Other helicopters involved in the search and rescue mission
> report that: "A primary concern for ongoing search and rescue efforts is
> unmarked high tension power lines, which have been reported and bisect
> many of the valleys in the search area".
> Some high tension power lines have already been mapped
> (http://overpass-turbo.eu/s/9lx , passed along to those conducting the
> searches). Starting from electrical dams makes it easier to spot them.
> If mappers experienced at mapping power lines could give a hand, this
> would be great. (Or others willing to learn, like me :) ).
> Bing is available for large parts of Nepal. A focus for current search
> and rescue effort is around Ghorthali (27.7517 N  86.0342 E) from where
> a Nepalese local reported seeing a helicopter crash. But of course high
> tension power lines would also be nice to have for Sindhupalchowk,
> Dolakha and other affected districts (see
> http://kathmandulivinglabs.github.io/quake-maps/).
> (Please download and upload OSM data often, in case other mappers work
> on the same theme).
> Thanks,
> Jean-Guilhem
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