409.3 Elevator Doors.
Hoistway doors, car doors, and car gates shall comply with 409.3 and 404.
EXCEPTION: Doors shall not be required to comply with the maneuvering clearance requirements in 404.2.4.1 for approaches to the push side of swinging doors.
409.3.1 Power Operation.
Elevator car and hoistway doors and gates shall be power operated and shall comply with ANSI/BHMA A156.19 (1997 or 2002 edition) (incorporated by reference, see "Referenced Standards" in Chapter 1). Power operated doors and gates shall remain open for 20 seconds minimum when activated.
EXCEPTION: In elevator cars with more than one opening, hoistway doors and gates shall be permitted to be of the manual-open, self-close type.
409.3.2 Location.
Elevator car doors or gates shall be positioned at the narrow end of the clear floor spaces required by 409.4.1.
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