Are locks permissible?
This depends upon the location and type of lock in question. Closets must have door hardware that allows someone to open the door from within the closet (to ensure that someone could not be locked in the closet by someone outside the closet). Bathroom door locks must be designed to allow opening of the door from outside the bathroom (to ensure that someone could not lock themselves in the bathroom). Rooms, or paths through rooms, that serve to lead an occupant to a primary or secondary means of escape cannot be locked in a manner that would prohibit use of the escape path. Exit doors from occupancies may be locked, but only two motions are allowable to open the door (e.g., turning of a door knob and unlatching a chain). It is not permissible to have locks on doors in the escape path that require an occupant to retrieve a key for use in the lock or any other form of special tool to unlock the door. Any door may be locked against entry from the outside of the building (the Life Safety Co
