It breaks my heart to read about these horrible conditions for these kitties. It must be SO tough to witness, but you being there with them is such a big help.

I'm thinking along the lines with Catnapper, that sounds like a good idea. Also, is there a chance they could build a huge outdoor cage, so at least some of the kitties can get some fresh air and exersice when the weather allows. That would probably be cheaper to do.

I wish you, the kitties and shelter all the best - wish I could be there to help out.