A4.10 ELEVATORS
A4.10.6 DOOR PROTECTIVE AND REOPENING DEVICE.
The required door reopening device would hold the door open for 20 seconds if the doorway remains unobstructed. After 20 seconds, the door may begin to close. However, if designed in accordance with ANSI A17.1-1978, the door closing movement could still be stopped if a person or object exerts sufficient force at any point on the door edge.
A4.10.7 DOOR AND SIGNAL TIMING FOR HALL CALLS.
This paragraph allows variation in the location of call buttons, advance time for warning signals, and the door-holding period used to meet the time requirement.
A4.10.12 CAR CONTROLS.
Industry-wide standardization of elevator control panel design would make all elevators significantly more convenient for use by people with severe visual impairments.
In many cases, it will be possible to locate the highest control on elevator panels with 48 in (1220 mm) from the floor.
A4.10.13 CAR POSITION INDICATORS.
A special button may be provided that would activate the audible signal within the given elevator only for the desired trip, rather than maintaining the audible signal in constant operation.
A4.10.14 EMERGENCY COMMUNICATIONS.
A device that required no handset is easier to use by people who have difficulty reaching.
User Comments/Questions
Add Comment/Question