SFGTV November 20, 2014
Stairwell, or the down exiting, egress, correct . So, you have to, you might have a different set of rules for the stairwell, requiring outside source or something. Which would then be more important in the higher buildings. You have that issue, so, just i want to bring that up that that might be considered, and then you are talking about the return air, coming in and so you are assuming that a system that just might push in the air and go out from some of the other source within. And so it will go out, and not in the corridor. Right. And that, and i think that it pauls design or in tent, the ...