Hi,
as there seemed to be a need for validating the last Haiti projects, I did some 
tiles, though I am not very comfortable with validating - considering myself 
halfway experienced at best.

I found several tiles that were very neatly mapped, all the buidlings squared, 
although they were all done by new mappers ... probably that was a mapathon or 
something with good instructions and supervisison.

But I don't really know what do do when I hit structures that are mapped to 
different imagery whith quite a lot of offset, like here: 
http://tasks.hotosm.org/project/2229#task/188
Should I clean this up while validating the "buildings only" project? How would 
I do this, align everything to Bing? (I remmeber having read that this is 
considered the most accurate). But then I would have to move around a lot of 
polygons, as all the new buildings are mapped to the custom imagery.
Or would you move the road to fit in with the majority of existing structures?

Thanks for your advice!
K

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