404.3 – Power Assist

404.3 Automatic and Power-Assisted Doors and Gates. 

Automatic doors and automatic gates shall comply with 404.3.  Full-powered automatic doors shall comply with ANSI/BHMA A156.10 (incorporated by reference, see “Referenced Standards” in Chapter 1).  Low-energy and power-assisted doors shall comply with ANSI/BHMA A156.19 (1997 or 2002 edition) (incorporated by reference, see “Referenced Standards” in Chapter 1).
404.3.1 Clear Width.
Doorways shall provide a clear opening of 815 mm (32″) minimum in power-on and power-off mode.  The minimum clear width for automatic door systems in a doorway shall be based on the clear opening provided by all leaves in the open position.

404.3.2 Maneuvering Clearance.
Clearances at power-assisted doors and gates shall comply with 404.2.4.  Clearances at automatic doors and gates without standby power and serving an accessible means of egress shall comply with 404.2.4.

404.3.3 Thresholds.
Thresholds and changes in level at doorways shall comply with 404.2.5.

404.3.4 Doors in Series and Gates in Series.
Doors in series and gates in series shall comply with 404.2.6.

404.3.5 Controls.
Manually operated controls shall comply with 309.  The clear floor space adjacent to the control shall be located beyond the arc of the doors

404.3.6 Break Out Opening.
Where doors and gates without standby power are a part of a means of egress, the clear break out opening at swinging or sliding doors and gates shall be 815 mm (32″) minimum when operated in emergency mode.

404.3.7 Revolving Doors, Revolving Gates, and Turnstiles.
Revolving doors, revolving gates, and turnstiles shall not be part of an accessible route.