In reply to sbc_10:
> But here's one to put into the mix. How many of your fire doors open inward (ie. opposite ) to the directed fire exit arrow ?
> Add a few hundred people, smoke and a moderate level of panic and that will end up being counter productive as well.
Not sure of the English regs, but in Scotland you
can have an inward opening fire door, depending on the occupany capacity of the room it serves. From memory, for most building types if it's less than 60 persons occ. cap. it's ok to open against the direction of escape.