There is a technique to bending line set tubes. It must be posted here some wheres.
The important part is to take your time and go slow.
I dropped my drain hose out of the plastic channel, so the water wouldn't drain on the slab.
Up here in MA, the amount of water flowing during the summer is minimal.
One thing to watch out for is wasps climbing into the hose a making themselves at home..
In my second install, I just dumped the water on the ground under the Den..
http://ecorenovator.org/forum/geothe...-2011-a-2.html
No water draining out of the area has been visible since the 2011 install.
Did see a wet spot under there on a hot day in August..