Back to plan A
Bish says the treasurer of our building's resident committee asked him (as a well known world expert on chemical warfare) if he thought the security rooms on each floor were the safest places to be in the event of a missile attack. Well, if she's going to seal the security room on the third floor, I'll be damned if I'm not going to seal the security room on the second floor. Evacuation route, shmevacuation route, let them use the regular staircase to evacuate.