Understand about limited space. I had to abandon the railing in mine for the same reason. Hope you don't mind my little "tips." If anything that I've discovered can help you guys, I see it as a win-win situation. Likewise, if you pick up any time-saving or cool ideas while constructing your set, I'd love to hear them!
I think all of our projects can benefit greatly from one another's experiences. I know how isolated I felt building back in the 80s (before the Internet), and am happy to see kindred spirits out there living the dream as well.
Looking forward to more updates!