Thank you Prof. Templenko. Your logic is untouchable as always.

I think your camp name needs to be Doc Templemann or maybe just Doc.

"And for the roof we'll need not just planks but also sturdy bars as used for the floor, otherwise it's not safe."

Safety third Thomas!

Making the whole roof load bearing would be too expensive, I wonder if having something like a scaffolding board across one end would be possible. They are certainly close to 4m in length, and wouldn't need any additional supports. something that one person could sit on, and look as if they are on the roof, in true western shoot out style.