Don't remember exactly Michael - I do remember noticing that they were a MUCH bigger can of worms for PUBLIC access buildings than for PRIVATE - One thing I seem to recall is that any public building HAS to have more than one entry/exit for fire safety, but private buildings weren't required to have a second exit. Don't quote me on this, I had to shovel the cobwebs off it, and they almost clogged up my ear as I tossed them out...
My brief but pathetic search effort brought up NADA for free, just some book sellers - here's one, hope ya got an extra $60 or more...