2019 California Standards for Accessible Design Guide (effective January 1, 2020 with July 1, 2021 amendments)
11B-407.4.8 Car position indicators.
Audible and visible car position indicators shall be provided in elevator cars.
11B-407.4.8.1 Visible indicators.
Visible indicators shall comply with Section 11B-407.4.8.1.
11B-407.4.8.1.1 Size.
Characters shall be ½ inch (12.7 mm) high minimum.
11B-407.4.8.1.2 Location.
Indicators shall be located above the car control panel or above the door.
11B-407.4.8.1.3 Floor arrival.
As the car passes a floor and when a car stops at a floor served by the elevator, the corresponding character shall illuminate.
Exception: Reserved.
[2010 ADA Standards] EXCEPTION: Destination-oriented elevators shall not be required to comply with 407.4.8.1.3 provided that the visible indicators extinguish when the call has been answered.
11B-407.4.8.1.4 Reserved
[2010 ADA Standards] 407.4.8.1.4 Destination Indicator. In destination-oriented elevators, a display shall be provided in the car with visible indicators to show car destinations.
11B-407.4.8.2 Audible indicators.
Audible indicators shall comply with Section 11B-407.4.8.2.
11B-407.4.8.2.1 Signal type.
The signal shall be an automatic verbal annunciator which announces the floor at which the car is about to stop.
Exception: For elevators that have a rated speed of 200 feet per minute (1 m/s) or less, a non-verbal audible signal with a frequency of 1500 Hz maximum which sounds as the car passes or is about to stop at a floor served by the elevator shall be permitted.
11B-407.4.8.2.2 Signal level.
The verbal annunciator shall be 10 dB minimum above ambient, but shall not exceed 80 dB, measured at the annunciator.
11B-407.4.8.2.3 Frequency.
The verbal annunciator shall have a frequency of 300 Hz minimum to 3000 Hz maximum.
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