I get static from architects that want to use all glass herculite doors in those applications.
Elevator lobby door hardware.
The lobby enclosure shall separate the elevator shaft enclosure doors from each floor by smoke partitions.
Download our helpful ul 1784 decoder sheet to understand what is required and how you can make sure that your integrated door systems are not only beautiful but meet all life safety codes too.
In addition to the requirements in section 709 for fire partitions doors protecting openings in the elevator lobby enclosure walls shall also comply with section 711 5 3 and penetrations of the elevator lobby enclosure by ducts and air.
The 2009 edition included a requirement that the electronic lock on the lobby door must not be supplied with emergency or standby electrical power but this requirement was removed from the 2012 edition of nfpa 101 and nfpa 5000.
Swing doors whether enclosing an elevator lobby or mounted at the elevator door on a magnetic hold open are highly susceptible to tenant tampering.
Many swing doors will swing shut in response to a general alarm regardless of if the alarm is false or real or as a result of a power loss.
In some buildings the elevator lobby doors are required to be smoke barrier that really complicates things if delayed egress hardware is because positive latching is still required.