Great work mate! I like the idea of the pipe and critter barrier.Indeed! Most clever to realize that the big open field the surfaced in was waay less safe than the long grass and the Chicken Palace.
Nearly done with this phase and then I need a good rain shower so I can check everything is draining well and can decide how much further away to pipe the water. I am at the end of this pipe and not yet at the surface so will likely have to add a pipe - meanwhile I will put a critter barrier on the end to stop anyone crawling up it.
Edited to add: Yipee - rain tomorrow during the day so I can go out and inspect how well the water flows and whether I need to extend my pipe a little or a lot.