What is that? (picture attached)

[George P.]

Does someone know what are those white pipes doing in the ground? Looks like it's a brand new house
Thanks

Higher resolution pics:

http://claspics.com/657/564750/1289590078-930.jpg.php?p=*full-image

http://claspics.com/657/564750/1289590644-847.jpg.php

[Account Closed]

I've seen these put in for drain-fields when there has been a lot of tree roots. These make it easier to put a root killer in the line so they remain clear. It was necessary to do this for one of my rental properties a few years back.