CET Accessibility & ADA Compliance 3 — Questions and Answers
Question 1: ADA Section 407.4.3 specifies audible and visible signals at elevator hoistway entrances. What must the audible signal indicate when the elevator arrives?
- Direction of travel with one chime for up and two for down (Correct answer)
- Floor number with one chime for each floor number
- Door opening with a continuous tone until doors are fully open
- Cab arrival with a single chime regardless of direction
Correct answer: Direction of travel with one chime for up and two for down
ADA requires audible signals that chime once for up and twice for down travel direction to inform passengers at each landing.
Question 2: What is the required illumination level inside an elevator cab at the car controls according to ADA accessibility guidelines?
- 5 foot-candles minimum (Correct answer)
- 10 foot-candles minimum
- 2 foot-candles minimum
- 20 foot-candles minimum
Correct answer: 5 foot-candles minimum
ADA Section 407.4.5 requires a minimum of 5 foot-candles of illumination measured at the car controls, platform, and threshold of the elevator.
Question 3: For ADA compliance, elevator visible signals at each hoistway entrance must have a minimum diameter of what size?
- 2.5 inches (Correct answer)
- 1.5 inches
- 3 inches
- 4 inches
Correct answer: 2.5 inches
ADA Section 407.2.3.2 requires that visible signals at elevator hoistway entrances have a minimum diameter of 2.5 inches.
Question 4: Under ADA, a two-way emergency communication system in an elevator must connect to where?
- A location staffed by building or elevator personnel (Correct answer)
- The local fire department directly
- An automated answering service
- The building's security cameras
Correct answer: A location staffed by building or elevator personnel
ADA Section 407.4.9 requires the two-way communication system to connect to a location staffed by authorized personnel who can assist during an emergency.
Question 5: What is the maximum time delay allowed between the arrival of an elevator at a landing and the opening of the doors, per ASME A17.1 accessibility provisions?
- The doors must begin opening at landing (Correct answer)
- 5 seconds after arrival
- 3 seconds after arrival
- 2 seconds after arrival
Correct answer: The doors must begin opening at landing
ASME A17.1 requires doors to begin opening at landing without delay; any hold-open dwell time starts after the doors have opened.
Question 6: ADA requires that elevator floor designations include raised characters. What height must these raised characters be?
- 5/8 inch minimum to 2 inches maximum (Correct answer)
- 1/4 inch minimum to 1/2 inch maximum
- 1/2 inch minimum to 1 inch maximum
- 1 inch minimum to 3 inches maximum
Correct answer: 5/8 inch minimum to 2 inches maximum
ADA Section 703.2.5 specifies that raised characters must be between 5/8 inch and 2 inches high on elevator car controls and floor designations.
Question 7: When an elevator is used as part of an accessible means of egress per IBC and ADA, what additional equipment is typically required inside the cab?
- Two-way communication and standby power (Correct answer)
- Smoke detectors and sprinkler heads
- Emergency lighting only
- Fire-rated cab interior materials
Correct answer: Two-way communication and standby power
Elevators serving as accessible means of egress must have two-way communication systems and standby power to operate during emergencies.
CET Accessibility & ADA Compliance 3
ADA Section 407.4.3 specifies audible and visible signals at elevator hoistway entrances.
What must the audible signal indicate when the elevator arrives?