Thank you JCO, do have any pics of your system on here? Sounds interesting although I would need a backhoe to dig where I'm at, hard clay (gooey when wet) and rock. I've dug several holes for posts with a post hole digger and if I get lucky I can dig down 3' in an hour, if unlucky a whole day it seems. I can always rent a backhoe so thats not a huge problem. So all your GB's are raft? What advantages do you see in your system vs others?

I'm all ears, thanks.