One thing worth mentioning though is that, rough as it is, he's been at it since the 80's so some of it must have lasted that long at least, and presumably he'd have learned from that since then.
Also, it's designed to keep the occupants safe for 3 weeks.
So, all in all, if you were stood outside the door watching the nukes coming in, I'm pretty sure you wouldn't turn down a "seat on the bus" so to speak
BBC News link - 10,000 sq ft bunker
Re: BBC News link - 10,000 sq ft bunker
I remember watching that documentary as well. If i remember correctly he used school buses as they have to withstand a rollover crash without the roof collapsing. So reckon they have been strengthened.
Re: BBC News link - 10,000 sq ft bunker
Didn't know that but makes sense I guess. Adds something else to the equation I'm unqualified to calculate
Peejay does make a good point , they might be rusty , damp , cold and uncomfortable but definitely better than nothing.